Geophysics

Seismology Volcanology Earth Sciences Earth's Core Magnetism Seismic Activity Remote Sensing Earthquakes Seismic Waves Plate Tectonics

Powerful 7.8 Quake Off Kamchatka Triggers Tsunami Alerts, Spares U.S. West Coast and Hawaii

Emergency officials attribute the event to the ongoing aftershock sequence from July’s M8.8 rupture.

Unexplained Boom Rattles Homes Across Hampton Roads and Northeast North Carolina

Study Detects Solid Inner Core on Mars, Redrawing the Planet’s Interior

Nature Study Confirms Solid Inner Core on Mars

Study Finds Taylor Swift’s Dublin Concerts Sent Seismic Signals Over 60 Miles

Rising CO2 Poised to Thin Upper Atmosphere, Reshaping Geomagnetic Storm Effects on Satellites

Magnitude 3.6 Quake Lightly Felt Near Port Renfrew

Study Warns Moonquakes and Thrust Faults Endanger Long-Term Lunar Habitats

Radars Pinpoint 20 Possible Survivor Pockets Under Dharali Debris

Tokara Islands Seismic Swarm Declines but Activity Remains Elevated

Mount Etna Opens New 3,000-Meter Vent, Prompts Orange Flight Alert

Etna Erupts Fresh Lava Flow From New Bocca Nuova Vent

Earth Spins Faster Than Ever, Logging One of the Shortest Days on Record

Southern Alicante Coast Seismic Activity Eases After Dozen Quakes Overnight

Ancient Mantle Anomaly Beneath Appalachians Linked to Greenland Rift

Europa Clipper Completes Successful Mars Radar Test En Route to Jupiter’s Moon

Most Pacific Tsunami Warnings Lifted After 8.8 Kamchatka Quake

Pacific Tsunami Alerts Downgraded After 8.8-Magnitude Kamchatka Earthquake

Magnitude-8.6 Kamchatka Quake Triggers Pacific-Wide Alerts as Aftershocks Persist

Mexico Experiences Daily Low-Magnitude Quakes Under SSN Monitoring