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(Click for frequent words.) 70 Seismologist 68 geophysicist 66 USGS seismologist 62 seismology 62 Caltech seismologist 61 seismologists 58 Geophysicist 58 volcanologist 58 geoscientist 58 USGS geologist 58 GNS Science 58 vulcanologist 57 Geological Survey seismologist 57 geologist 57 Geological Survey geophysicist 57 seismological 56 Geological Survey volcanologist 56 USGS geophysicist 55 Geological Survey 55 planetary scientist 54 seismology lab 54 Seismology 53 astronomer 53 Geophysics 53 quakes 53 Geoscience Australia 53 Seismological Laboratory 53 Volcanologist 53 Utah Seismograph Stations 53 Vulcanologist 52 glaciologist 52 Geological Survey geologist 52 atmospheric chemist 52 USGS 52 atmospheric scientist 51 geochemist 51 geomorphologist 51 earthquakes 51 atmospheric sciences 51 geological sciences 51 Seismologists 51 Nevada Seismological Laboratory 50 meteorologist 50 theoretical physicist 50 USGS scientist 50 climatologist 50 Seismological Centre 49 oceanographer 49 Glaciologist 49 Blanpied 49 Roger Bilham 49 epidemiologist 49 geophysics 49 marine geologist 49 seismological laboratory 49 Caltech astronomer 49 forecaster 49 geophysicists 49 physicist 49 Cascades Volcano Observatory 49 virologist 49 Seismology Lab 49 scientist 49 seismic activity 49 hydrologist 48 Wysession 48 volcanology 48 Emile Okal 48 biologist 48 paleobiologist 48 JPL geophysicist 48 planetary geologist 48 GNS seismologist 48 geotechnical engineer 48 astrophysicist 48 climate modeler 47 Roland Burgmann 47 Active Tectonics 47 subduction earthquake 47 Stephane Mazzotti 47 Seafloor Mapping Laboratory 47 Hawaiian Volcano Observatory 47 paleontologist 47 atmospheric sciences professor 47 Alaska Volcano Observatory 47 geographer 47 meteorology 47 Seismological 47 marine ecologist 47 Cascadia fault 47 Seismic Network 46 Tsunami Warning Centre 46 seismicity 46 Seismology Laboratory 46 GNS Science seismologist 46 Heasler 46 PTWC 46 Volcanology 46 seismologist Kate 46 temblor 46 undersea earthquakes 46 Planetary Physics 46 volcano observatory 46 Meteorology 46 biogeochemist 46 Planetology 46 earth tremors 46 researcher 46 doctoral student 46 Weather Service meteorologist 46 atmospheric physicist 46 Kate Hutton seismologist 46 Geologic Survey 45 archaeologist 45 Geophysics Institute 45 marine geophysicist 45 John Bellini geophysicist 45 Climatologist 45 Geologist 45 Volcano Observatory 45 geology 45 Earthquake Hazards Program 45 Walter Arabasz director 45 Seismological Observatory 45 planet USGS geophysicist 45 Xiaodong Song 45 tectonics 45 theoretical astrophysicist 45 Nankai Trough 45 Ken Gledhill 45 paleoclimatologist 45 seismologist Lucy Jones 45 temblors 45 Lead researcher 45 ecologist 45 Earthquake Engineering 45 geosciences 45 sociology professor 45 Seismological Bureau 45 Washington seismology lab 45 Geology 45 Tsunami Warning Center 45 economics professor 45 cosmologist 45 CU Boulder geological 45 palaeontologist 45 vulcanology 44 Stavrakakis 44 aftershock measuring 44 Planetary scientist 44 geologists 44 seismologist Ken 44 Astronomer 44 University Lamont Doherty 44 Caltech Seismological Laboratory 44 Relu Burlacu 44 van der Hilst 44 volcanology institute 44 particle physicist 44 Yeats professor emeritus 44 seismographs 44 Jessica Sigala 44 Geophysical Institute 44 fisheries biologist 44 NWS meteorologist 44 geosciences professor 44 Pacific Tsunami Warning 44 Planetary Science Institute 44 climate modeller 44 Hiroo Kanamori 44 developmental biologist 44 Oceanographer 44 Seismological Service 44 NCAR scientist 44 Geological 44 evolutionary ecologist 44 paleoecologist 44 Geological Survey Cascades Volcano 44 Icelandic Meteorological Office 44 eruptive activity 44 Berkeley Seismological Laboratory 44 economist 44 Geologists 43 volcanologists 43 seismic waves 43 Geophysicists 43 agency GNS Science 43 CfA 43 High Altitude Observatory 43 Indonesian Meteorology 43 freshwater ecologist 43 seismologist Clive 43 USArray 43 tremblor 43 demographer 43 paleoanthropologist 43 Jody Bourgeois 43 biostatistician 43 Geological Survey USGS 43 fisheries ecologist 43 Synolakis 43 Isabella Velicogna 43 Seismological Institute 43 sociologist 43 Cascadia subduction zone 43 Geological Sciences 43 wildlife biologist 43 Berkeley Geochronology Center 43 professor 43 undersea earthquake 43 Astrophysics 43 cognitive neuroscientist 43 Lamont Doherty 43 Chris Waythomas 43 Roger Musson 43 Coral Reef Studies 43 principal investigator 43 Atmospheric Sciences 43 Meteorologist 43 Dr Brian Baptie 43 Cliff Frohlich 43 Takashi Yokota 43 postdoctoral fellow 43 Associate Professor 43 oceanography professor 43 marine biologist 43 Gunnar Gudmundsson geophysicist 43 Vladimir Keilis Borok 43 Gerasimos Papadopoulos 43 Scripps Oceanography 42 Geological Survey BGS 42 Geoscience 42 bioengineering professor 42 conservation biologist 42 seismograms 42 Cascadia Subduction Zone 42 behavioral ecologist 42 Director Renato Solidum 42 megaquakes 42 Oppenheimer seismologist 42 Earthquake Information 42 aquatic ecologist 42 Geosciences 42 Archaeologist 42 Hydrologist 42 anthropology professor 42 entomologist 42 MIT planetary scientist 42 MetService forecaster 42 Vidale 42 Zoback 42 earth tremor 42 postdoctoral researcher 42 geobiologist 42 zoologist 42 PHIVOLCS 42 aquatic biologist 42 subduction zone earthquake 42 cultural anthropologist 42 sociology lecturer 42 Utah seismograph stations 42 planetary astronomer 42 biological oceanographer 42 Cascade Volcano Observatory 42 earthquake 42 neuroscientist 42 unmapped fault 42 tremor 42 Dzurisin 42 Ian Joughin 42 Theoretical Astrophysics 42 Jim Kauahikaua 42 megathrust 42 megathrust earthquake 42 seismic 42 geodynamics 42 mainshock 42 biophysicist 42 Sociology Professor 41 evolutionary biologist 41 biological oceanography 41 Fenves 41 aftershock 41 Mark Zoback 41 geneticist 41 Hubble astronomer 41 Hollander associate professor 41 Pacific Northwest Seismograph 41 #.# magnitude earthquake 41 Syamsu Rizal 41 foreshocks 41 hydrologic technician 41 USGS seismologist Susan 41 Steward Observatory 41 evolutionary psychologist 41 Kirschvink 41 hydrogeologist 41 NIWA scientist 41 forest ecologist 41 Carnegie Institution 41 MacAyeal 41 Lick Observatory 41 Epidemiologist 41 Seismology Phivolcs 41 entomology professor 41 CoECRS 41 Giorgos Stavrakakis 41 Agus Budianto 41 Gidon Eshel 41 subduction zones 41 Particle Astrophysics 41 mammalogist 41 Nabelek 41 palaeontologist Dr 41 fishery biologist 41 Alpine Fault 41 seismographic 41 evolutionary geneticist 41 subduction zone 41 Ahmad Zakir 41 geomagnetism 41 Budker 41 Geoscientist 41 amateur astronomer 41 Guldberg 41 Atwater geologist 41 Geophysical Sciences 41 Erik Asphaug 41 Syahnan 41 Evolutionary biologist 41 vertebrate paleontologist 41 Keilis Borok 41 zoology professor 41 Montserrat Volcano Observatory 41 astrobiologist 41 Kerry Sieh 41 Paleoanthropologist 41 Metservice forecaster 41 Nankai trough 41 Atmospheric Science 40 megathrust earthquakes 40 Vulcanology 40 Jan Zalasiewicz 40 quake 40 Earth Observatory 40 criminologist 40 coordination meteorologist 40 Virologist 40 Gaensler 40 quake jolted 40 Oceanography 40 postdoctoral research 40 Jeremy Bailenson 40 planetary astronomy 40 seismometers 40 San Andreas Fault 40 Venkatanathan 40 Caltech physicist 40 quakes measuring 40 PhD associate professor 40 Planetary Sciences seminar 40 Cassini scientist 40 Weather forecaster 40 USGS Cascades Volcano 40 Cesar Fraga 40 molecular biologist 40 planetary sciences 40 postdoctoral scientist 40 Stein geophysicist 40 microbial ecologist 40 British Antarctic Survey 40 Duty Forecaster 40 intraplate 40 Geophysical Research 40 anthropologist 40 tide gauges 40 paleontology curator 40 Professor Ove Hoegh 40 Solidum 40 Southampton Oceanography 40 psychology professor 40 Volcanologists 40 Climatic Research 40 molecular geneticist 40 Earth crust 40 Meteorology forecaster 40 wildlife ecologist 40 sedimentologist 40 geological 40 Professor 40 Phivolcs 40 Woods Hole Oceanographic 40 emeritus professor 40 produce megaquake 40 doctoral researcher 40 plant physiologist 40 Raymond Jeanloz 40 Seismological Network 40 San Jacinto Fault 40 Seismographic 40 told optics.org 40 GeoHazards International 40 epidemiology 40 Volcanological 40 Luann Becker 40 GeoNet 40 Leonardo Seeber 40 seismological institute 40 Natural Hazards 40 ecotoxicologist 40 Kepulauan Mentawai region 40 Richter scale 40 #.# magnitude quake 40 Haraldur Sigurdsson 40 doctoral candidate 40 seismological bureau 40 Physicist 40 megaquake 40 Terrestrial Magnetism 40 NWS forecaster 40 Geological Survey hydrologist 40 Schellart 40 lecturer 40 David Awschalom 40 Oceanography Centre 40 Explainer thanks 40 told environmentalresearchweb 39 weather forecaster 39 crustal 39 NIST physicist 39 WeatherWatch.co.nz 39 inorganic chemist 39 USGS volcanologist 39 Beroza 39 Vladimir Romanovsky 39 subduction fault 39 Sociologist 39 Jeroen Tromp 39 Carolyn Driedger 39 linguistics professor 39 Kusky 39 associate professor 39 London Mullard Space 39 aftershocks 39 paleobiology 39 Zollweg 39 computational biologist 39 limnologist 39 Meterologist 39 Meteorological 39 Geodynamic Institute 39 Entomologist 39 chief economist 39 Baldwin geophysicist 39 professor emeritus 39 volcanic tremor 39 foreshock 39 Hugo Yepes 39 tectonic plate 39 microbiologist 39 evolutionary anthropologist 39 Triyani 39 Jack Moehle 39 USGS hydrologist 39 vulcanologist Brad 39 Irvine criminologist 39 Lake Vui 39 Walter Arabasz 39 Tropical Cyclone Warning 39 hydro geologist 39 #.# magnitude temblor 39 Cyclone Warning 39 volcanic activity 39 Bilham 39 botany professor 39 Sumatra Andaman 39 Alaska Fairbanks Geophysical 39 Megathrusts produce 39 Koeberl 39 Geological Hazard Mitigation 39 Earthquake Prediction 39 Ira Leifer 39 Kevin Trenberth climate 39 magnitude earthquake 39 crystallographer 39 Climatology 39 neurophysiologist 39 Egill Hauksson seismologist 39 LiveScience 39 Mount Stromlo Observatory 39 Geophysics Agency 39 Lamont Doherty Earth 39 Oceans Flagship 39 geomorphology 39 Geophysical Observatory 39 Sumatran earthquake 39 NASA astrobiologist 39 chemical oceanographer 39 Hernando Tavera 39 Earthquake Hazards Project 39 chemical oceanography 39 marine geochemist 39 postdoctoral scholar 39 geologically active 39 California Seismographic Station 39 trembler 39 astrophysics 39 Seismic 39 Paquay 39 Iceland geophysicist Pall 39 Ph.D. associate professor 39 Theoretical physicist 39 seismology institute 39 Observatory astronomer 39 Seth Putterman 39 geoarchaeologist 39 Storrie Lombardi 39 Kuo Kai wen 39 McKay planetary scientist 39 Coauthor 39 geoscience 39 Bindschadler 39 Principal Investigator 39 Japan Meteorological Agency 38 epicentred 38 Lizarralde 38 Francis Zwiers 38 NWS Meteorologist 38 Geological Survey ecologist 38 Juan Cayupi 38 aftershocks measuring 38 Geophysical Laboratory 38 CSIRO Wealth 38 Alaska Tsunami Warning 38 Lori Dengler 38 Shimon Wdowinski 38 magnitudes 38 OurAmazingPlanet 38 State Climatologist 38 meterologist 38 Dutton geophysicist 38 Geologic 38 NOAA oceanographer 38 Fenglin Niu 38 Makiko Sato 38 USGS geophysicist Amy 38 USGS seismologist Lucy 38 earthquake measuring 38 Climate Impacts Group 38 Verosub 38 subduction zone earthquakes 38 tectonic 38 historian 38 Umar Rosadi 38 Ken Hudnut 38 earthquake jolts 38 Shinji Toda 38 magnitute 38 palaeoanthropologist 38 aftershock jolted 38 hydrometeorological technician 38 Victor Sardina geophysicist 38 seismically active 38 Earthquake Hazards 38 #.# magnitude tremor 38 Geological Survey vulcanologist 38 MD associate professor 38 Ove Hoegh Guldberg reef 38 Niels Bohr Institute 38 tectonic plates collide 38 meteorological 38 Spacewatch 38 Claudia Tebaldi 38 told physicsworld.com 38 Forensic anthropologist 38 roboticist 38 MODERATE earthquake 38 Seismic Zone 38 Ted Scambos glaciologist 38 Prof. Shakeel Romshoo 38 USGS Earthquake Hazards 38 Meteorology Climatology 38 Lyding 38 tremor measuring 38 Costas Synolakis 38 INGV 38 Victor Sardina 38 postdoctoral associate 38 Sumatra Andaman earthquake 38 MacDonald biological oceanographer 38 Georg Kaser 38 DeMets 38 Brian Baptie 38 supervising ranger 38 Natawidjaja 38 paleobotanist 38 undersea quake 38 Kelvin Berryman 38 CalTech Seismological Laboratory 38 Katey Walter 38 microearthquakes 38 Kermadec Islands 38 tremors 38 Renu Malhotra 38 coauthor 38 David Wald seismologist 38 Lowenstern 38 Nima Arkani Hamed 38 GNS Science GeoNet 38 Roukes 38 Northridge temblor 38 Eric Steig 38 Astrophysicist 38 Yellowstone caldera 38 petroleum geoscience programs 38 J. Heeger 38 Cenko 38 van Enk 38 criminology professor 38 seismometer 38 S. Lindzen 38 Gen Suwa 38 Hugo Yepez director 38 CU Boulder doctoral 37 Shinmoedake 37 assistant professor 37 geomicrobiology 37 biometeorology 37 quake shakes 37 Elsinore fault 37 Michael Skrutskie 37 Sichuan Seismological Bureau 37 Caspar Ammann 37 subduction quake 37 Photo NASA JPL 37 JILA joint 37 atop Mauna Kea 37 CIRES 37 Leonard Kalindekafe 37 glaciology 37 NASA astrobiology 37 seismically active zones 37 J. Klotzbach 37 Fauzi seismologist 37 Einar Kjartansson geophysicist 37 accelerographs 37 Weather Service forecaster 37 BMKG 37 Bernard Doft 37 Explosive eruptions 37 Geonet 37 Researcher 37 Stanford Synchrotron Radiation Lightsource 37 Curtarolo 37 Athens Geodynamic Institute 37 Tonankai 37 Geological Survey Hawaiian Volcano 37 NASA GISS 37 Budi Waluyo 37 Turnbull seismologist 37 Keck Observatory 37 Dolph Schluter 37 volcanos demonstrating 37 Hamish Pritchard 37 volcanism 37 geophysics institute 37 Rignot 37 Max Planck Institut fuer 37 Matus radiation 37 volcanic tremors 37 Jay Melosh 37 neutrino beam 37 oceanic sciences 37 Hoegh Guldberg 37 Tumi geologist 37 aquatic toxicologist 37 Inez Fung 37 Mayes forecaster 37 Atmospheric Oceanic 37 RHESSI 37 Tad Pfeffer 37 Wasatch Fault 37 von Frese 37 L. Van Eenennaam 37 NWS hydrologist 37 earthquake jolted 37 Coral Reef Studies CoECRS 37 RRATs 37 Emeritus Professor 37 structural engineer 37 Von Frese 37 Monique Skidmore Myanmar 37 WARRANT ARREST BULLHEAD CITY 37 Benfield Hazard Research 37 GeoSciences 37 Seismological Society 37 Earle seismologist 37 quake jolts 37 Geochronology 37 Currie paleontologist 37 Ecuador Geophysics 37 Bruce Presgrave geophysicist 37 profesor 37 Observatory LDEO 37 Jeff Galak 37 Multi Hazards Demonstration 37 observatories 37 Jake Lowenstern 37 Dan Dzurisin 37 BPPTK 37 Sandia researcher 37 lava extrusion 37 Iceland Meteorological 37 NRAO 37 Aon Benfield UCL Hazard 37 Rescue Coordination Center 37 megathrust quake 37 Meteorological Department 37 neurobiologist 37 Sara Seager 37 Earthquake magnitudes 37 National Seismograph Network 37 Epidemiologist Dr. 37 Meteorology climatologist 37 biological anthropologist 37 Peru Geophysics 37 Mount Awu 37 Atmospheric Research 37 statistician 37 Microbiologist 37 macroeconomist 37 Mauna Loa Observatory 37 archeologist 37 Meterology 37 Shuhai Xiao 37 glaciologists 37 Image NASA JPL 37 econometrician 37 crustal deformation 37 endangered species biologist 37 Wills Neuroscience 37 UM Rosenstiel School 37 Rychard Bouwens 37 Gemini Observatory 37 Whittier Narrows quake 37 biochemist 37 Paleontologist 37 Cassini magnetometer 37 Steinunn Jakobsdottir geophysicist 37 aftershock jolts 37 linguistic anthropologist 37 Warning Coordination Meteorologist 37 Yumei Wang 37 Ausbrooks 37 Palaeontologist 37 marine archaeologist 37 El Ninos 37 lahar 37 reproductive biologist 37 Carnegie Observatories 37 plate tectonics 37 MD M.Sc. 36 ornithologist 36 Siberut island 36 Cosmological Physics 36 Physique du Globe 36 George Djorgovski 36 theoretical calculations 36 tectonically active 36 Ecological Analysis 36 Stuart Sipkin 36 Sutiono 36 Stan Woosley 36 Minister Kusmayanto Kadiman 36 Seismology PHIVOLCS 36 Credit NASA JPL 36 Kuekes 36 Archeologist 36 seismograph stations 36 Wildlife Biologist 36 Meteorological Agency 36 professor Naj Meshkati 36 Arabasz 36 Kavli Institute 36 Prof. 36 Kanamori 36 Virtual Planetary Laboratory 36 volcano 36 Finin 36 harmonic tremors 36 Mineral Industries DOGAMI 36 van Dokkum 36 Danny Hilman Natawidjaja 36 physicists 36 A. Pielke Jr. 36 Radiation Protection 36 Postdoctoral fellow 36 Kandilli seismology center 36 Cognitive Neuroscience Laboratory 36 Sciences GNS 36 Smithsonian astronomer 36 Tom Brocher 36 Natalia Rybczynski 36 Mineral Industries 36 Scripps Institution 36 Shad O'Neel 36 seismologic 36 aftershock rattles 36 Microbiologist Dr 36 Demographer 36 Jeffrey Kargel 36 Nisqually quake 36 Sinadinovski 36 avian ecologist 36 Philvolcs 36 DOGAMI 36 Forensic pathologist Dr 36 Dyson sociology professor 36 Indonesian volcanology agency 36 Observatory LIGO 36 Sciences LIPI 36 PhD postdoctoral fellow 36 Al Shukri 36 NASA Jet Propulsion Lab 36 hurricane forecaster 36 geohazard 36 Casden Forecast 36 geophysicist Don Blakeman 36 Molucca Sea 36 Accuweather meteorologist 36 aseismic 36 tsunamis 36 NERSC Lawrence Berkeley 36 Marine Biology 36 bioengineer 36 Laser Interferometer Gravitational Wave 36 Tumi Gudmundsson 36 Weather Service Meteorologist 36 harmonic tremor 36 Whale strandings 36 USGS geologist Brian 36 Mount Soputan 36 Physical Oceanography 36 Eugene Schweig 36 Hydrology 36 Astronomical Observatory 36 aftershock rocked 36 Strong aftershocks 36 NSIDC 36 Harald Ebeling 36 Jakobsdottir 36 CSIRO Sustainable Ecosystems 36 Studinger 36 MD D.Phil 36 Ph.D. postdoctoral fellow 36 Ph.D. P.Geol 36 fissure eruption 36 journal Geology 36 medical ethicist 36 gravitational wave 36 Weather Prediction 36 aftershock sequence 36 geologist Jennifer Adleman 36 Seljak 36 Wolfman Georgetown 36 Grimsvotn volcano accompanied 36 SAFOD 36 Bioacoustics Research Program 36 Robock 36 climatology 36 tidal gauges 36 Moment Magnitude scale 36 Richard Lindzen professor 36 megathrust quakes 36 tectonic earthquakes 36 Museum Curator 36 USGS geophysicist Randy 36 Prof 36 eruption 36 veterinary pathobiology 36 Electorate Nominating Committee 36 Julienne Stroeve 36 Geophysicist Don Blakeman 36 Saut Simatupang 36 Katla 36 CU Boulder physics 36 Zibin 36 Ed Laguerta 36 Jet Propulsion Laboratory 36 UNAVCO 36 Tiampo 36 tremblors 36 luminescence dating 36 Gaetano Di Achille 36 Tokai earthquake 36 Carnegie Institution Geophysical 36 Meterological 36 Quaker actvist 36 rockfall 36 volcano erupts 36 oceanographers 36 Sensed Critical Infrastructure 36 Geographical Survey 36 seismograph 36 Geological Surveys 36 Earthscope 36 Planetary Geology 36 Denali Fault 36 ionospheric 36 Weather Forecasting 36 D.Phil 36 Accuweather.com meteorologist 36 physiologist 36 Oceanographic 36 Franco Barberi 36 LDEO 36 Seismologist Susan 36 Dhananjay Mohabey 36 LLNL 36 metrologist 36 herpetologist 36 Astronomy 36 Harold Urey 36 Scientific Computing 36 Hough seismologist 36 Gobas 36 geochemists 36 Ratdomopurbo 36 Inspector 36 Santa Cruz Lick Observatory 36 Rasio 36 Tyburczy 36 vulcanologists 36 Postdoctoral Fellow 36 Ryosuke Motani 35 Richter scale shook 35 biomechanical engineer 35 journal Geophysical Research 35 Xiaowei Zhuang 35 Hosgri Fault 35 Colorado Fiske Planetarium 35 Visit USGS.gov 35 oceanography 35 tectonic activity 35 ESRL 35 EarthScope 35 Hear NPR 35 tectonic stresses 35 volcanoes 35 seismically active regions 35 Icelandic Met 35 ARS microbiologist 35 Mathematical Sciences 35 Pall Einarsson 35 Ryskin 35 temblor centered 35 atmospheric oceanic 35 Shikoku islands 35 O'Shea squid 35 Richter Scale rocked 35 Census Bureau demographer 35 volcanic quakes 35 tremor shook 35 Kieda 35 Nasser Peyghambarian 35 Edi Sunardi 35 Camilla Benbow 35 Gerard Fryer 35 Phillip Klotzbach 35 Earthquake Networks 35 Chief Meteorologist 35 Katsuhiko Ishibashi 35 Ochanomizu University 35 psychiatry professor 35 Dr 35 Cascadia Meteorite Laboratory 35 petroleum geologist 35 Biologist 35 Oremland 35 Valter Longo 35 Severe Tropical Cyclone 35 KPD Lt. 35 royal watcher 35 episodic tremor 35 coral reef ecologist 35 Dr. Faisal Moola 35 Richter scale jolted 35 Molecular biologist 35 Larry Mastin USGS 35 Bramley Murton 35 Professor Emeritus 35 seismic tremors 35 Ph.D. Associate Professor 35 astrophysicists 35 quake epicenter 35 astronomy 35 AccuWeather meteorologist 35 Czech Hydrometeorological Institute 35 smaller aftershocks rattled