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Seismology

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Series of Small Quakes Rattles Bay Area and Central Coast, Latest a M3.4 Near San Juan Bautista

USGS links the shaking to the Calaveras Fault with low short-term odds of a much larger event.

Magnitude 6.0 Quake Near Anchorage Rattles Southcentral Alaska on Thanksgiving

Magnitude 6.0 Earthquake Shakes Alaska Near Susitna, Felt in Anchorage

Yellowstone Quake Swarm Briefly Rewired a Deep Aquifer’s Chemistry and Microbes

Magnitude 4.1 Quake Rattles The Geysers Area in Northern California

Suez Rift Reclassified as Slowly Active, With Measurable Widening, Study Finds

Paso Robles 4.1 and San Ramon 3.3 Quakes Rattle California With Little Damage

Study Recasts Deep-Mantle Anomalies as Remnants of a Core-Contaminated Magma Ocean

Magnitude 4.7 Quake Shakes Junín as Peru Logs Series of Light Tremors

Magnitude 3.6 Quake Reported Near Vallejo With No Immediate Damage

Magnitude 5.2–5.3 Quake Near Paphos Felt Across Region

Calaveras Fault Swarm Rattles East Bay as Dozens of Small Quakes Follow M3.8 Near San Ramon

Tsunami Advisory Lifted After Strong Quake Off Iwate Sends Small Waves Ashore

M6.0 Quake Off Kamchatka Prompts Green Alert, No Tsunami

Seismic Images Reveal Explorer Plate Tearing in Stages Beneath Northern Cascadia

Magnitude 5.4 Quake Rattles Alaska’s Aleutians, No Tsunami Warning

Howard Community College Links Water Main Break to 2.5-Magnitude Columbia Quake

New 4.1 Quake Near Cihuatlán Follows Two Days of Moderate Seismic Activity in Southern Mexico

M5.0 Offshore Quake Felt in Petropavlovsk‑Kamchatsky as Aftershocks Continue

Magnitude 6.5–6.7 Earthquake Strikes Indonesia’s Banda Sea With No Tsunami Threat