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Seismology

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USGS Confirms 17 Quakes Near Area 51 After 4.4 Mainshock

USGS points to natural fault activity rather than human tests.

Magnitude 6.2 Quake Shakes Hokkaido With No Tsunami Warning

Two Small Quakes Strike Near San Francisco Zoo

New Quake Record Revives San Andreas Questions as San Francisco Steps Up Safety Push

Magnitude 5.5 Earthquake Shakes Western Nevada Near Silver Springs

Magnitude 4.6 Quake Rattles Bay Area From Epicenter Near Boulder Creek

Magnitude 7.3 Earthquake Strikes Near Vanuatu’s Luganville as PTWC Reports No Tsunami Threat

Seismic Imaging Finds Kikai Caldera’s Magma Reservoir Is Refilling

Magnitude 6.5 Offshore Earthquake Shakes Japan’s Sanriku Coast With No Tsunami Warning

Deep 7.6 Earthquake Strikes Near Tonga’s Neiafu

Two Moderate Earthquakes Rattle Afghanistan Hours Apart on Saturday

Nighttime Seismic Swarm off Aeolian Islands Registers M4.6, Felt From Palermo to Messina

Magnitude 3.4 Earthquake Shakes Gilroy Area Early Tuesday

Tenerife Logs 84 Small Quakes Near Teide as City Crafts Eruption Contingency Plan

Magnitude 4.0 Quake Shakes Karachi as Agencies Dispute Epicentre Location

Study Confirms North Sea’s Silverpit Crater Was Made by an Asteroid, Triggering Ancient Mega-Tsunami

2.3 Earthquake Near Sleepy Hollow Triggers Hundreds of Felt Reports, No Damage

Magnitude 5.9 Earthquake, Deep Beneath Gulf of Naples, Strikes Overnight With Limited Impact

USGS Upgrades Strongest to 4.4 After Four Pre‑Dawn Quakes Strike Red River Parish

Minor 3.5-Magnitude Earthquake Recorded in Rajasthan’s Sikar