Science ❯ Earth Sciences ❯ Seismology

Earthquakes

Magnitude Seismic Activity Aftershocks Tsunami Generation Tsunamis Tsunami Tectonic Activity Cascadia Subduction Zone Impact Assessment Tsunami Alerts

USGS Rerun Raises Bay Area 30‑Year Quake Odds to 74.1%

Elapsed time since past ruptures has increased probabilistic risk, prompting calls for stronger building standards plus improved forecasting models.

NISAR Maps Nearly Two‑Foot Ground Shift South of Caracas After June 24 Quakes

Study Finds Reflected Seismic Waves Triggered 3,000‑km Slip That Shifted Japan East

USGS Confirms 17 Quakes Near Area 51 With 4.4 Mainshock

Magnitude 2.4 Quake Near Bad Krozingen Is Second in a Week for Southwest Germany

Magnitude 4.1 Quake Rattles Tenerife and Gran Canaria Near Enmedio Volcano

Study Puts 4% Chance on 2032 Lunar Impact, Detailing Big Science and Real Hazards

Mexico City Sets Feb. 18 Seismic Drill at 11 a.m.

Tiny Quakes Expose Five-Piece Tectonic Model at Mendocino Triple Junction

Shallow 3.9 Quake Rattles Assam’s Udalguri With No Damage Reported

San Andreas Fault: Where It Runs and What the Risk Models Show

Hidden 20-Kilometer Rock Layer Under Bermuda Offers Answer to Island’s Puzzling Uplift

Magnitude 4.6 Quake Jolts North Kurils With No Tsunami Alert

Kamchatka Logs 14 Aftershocks in 24 Hours as Seismologists See Activity Easing by January

Kamchatka Logs Nine Aftershocks as Volcanic Alerts Persist

Chile Quake of 5.5–5.6 Felt in Argentina Triggers Precautionary Evacuations, No Tsunami Risk

Bahia Quake Felt in Tocantins Sees Magnitude Revised to 3.9

Study Finds Cascadia Megathrust Often Triggers Northern San Andreas in Closely Timed Quakes

Two Minor Eruptions Reported at India’s Barren Island Volcano as Quake Link Is Probed

Kamchatka Logs 33 Aftershocks in 24 Hours as Extreme Seismicity Persists