Science ❯ Geology ❯ Seismology ❯ Earthquake Measurement

Magnitude

Earthquake Swarm Near Brawley in Imperial County Peaks at Magnitude 4.5

Scientists say the Brawley Fault Zone often produces swarms.

Magnitude 3.3–3.4 Quake Near Redlands Shakes Inland Empire

Magnitude 6.2 Quake Shakes Hokkaido With No Tsunami Warning

Two Small Quakes Strike Near San Francisco Zoo

Magnitude 7.4 Quake Strikes Indonesia's Molucca Sea as Tsunami Alert Lifts

Peru Reports Fresh M4.0 After Friday Shakes as Mexico Confirms M4.9 in Chiapas

Magnitude 4.4 Quake Off Málaga Rattles Andalusia as Aftershocks Reported

Shallow Bangladesh Quake of 5.3–5.5 Shakes Kolkata, Prompts Evacuations

Deep 7.1 Quake Off Sabah, Malaysia Leaves No Tsunami Threat

Mar del Plata Offshore Quake Tops Day of Moderate Shaking as Mexico City Tests Response

Shallow 4.3 Quake Rattles Tabernas, Felt Across Four Spanish Provinces

Magnitude 5.7 Quake Near Puerto Escondido Triggers Mexico’s Seismic Alerts

USGS Confirms 2.9 Quake Near Centerville Felt Across Charleston Area

Pacific Rim Logs Low-to-Moderate Quakes; No Major Damage Reported

Deep M4.0 Quake Reported in Tajikistan, Following Earlier Shallow Tremor

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

Late-Night Ontario Quake Felt Across Wide Area as Agencies Differ on Magnitude

Magnitude 4.6 Quake Shakes Southern Chiba

Mexico Quake Alerts Triggered by M5 in Guerrero Put Spotlight on Preparedness

Pacific Rim Sees Routine Quakes as Peru, Mexico and U.S. Report No Major Damage