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Earthquake Monitoring

Earthquake Swarm Near San Ramon Sends M4.2 Jolt, Triggers BART Inspections

USGS says the burst fits a recurring San Ramon swarm with only a small chance of escalating to a much larger quake.

Earthquakes Jolt North India and Pakistan as Gilgit-Baltistan Reports One Death

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

Offshore Magnitude 6.0 Quake Shakes Oregon Coast With No Tsunami Warning

Three Small Quakes Hit San Ramon Minutes Apart on Friday Morning

Magnitude 5.0 Earthquake Rattles Susanville Area in Northern California

Magnitude 3.1 Quake Rattles San Ramon, Extends East Bay Swarm

San Ramon Quake Swarm Flares Up, Rattles Oakland With New Jolts

Tsunami Warnings Lifted After Powerful Quake Off Northeast Japan

USGS Investigates False 5.9 Nevada Quake Alert That Lit Up Phones Across California

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

Magnitude 6.0 Quake Near Anchorage Rattles Southcentral Alaska on Thanksgiving

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

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

Strong 6.5 Quake Off Guadeloupe Triggers M6.0 Aftershock

Great ShakeOut Engages 10 Million Californians as Small Berkeley Quake Underscores Risk

Magnitude 4.3 Quake Near UC Berkeley Rattles Bay Area, Triggers ShakeAlert

M7.8 Quake Off Kamchatka Triggers Tsunami Alerts as Alaska Advisories Are Downgraded

Northern California’s Geysers Geothermal Field Shaken by Over 130 Quakes