Science ❯ Geology ❯ Seismology ❯ Earthquake Magnitude

Seismic Waves

Magnitude 6.7 Quake Off Ofunato Jolts Tohoku With No Tsunami Threat

Rail checks follow a month of elevated seismic activity.

Series of Small Quakes Near Tehran Follows 4.6 Shock

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

Magnitude 4.1 Quake North of Pistoia Felt Across Tuscany

M6.5 Quake Off Northern Chile Felt Across Andes as Peru Logs Routine M4 Tremors

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

M4.2 Quake Hits Sinaloa as Peru Notes Continued Low-Magnitude Activity

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 5.6 Earthquake Near Khuzdar Rattles Balochistan, Felt Across Sindh

Two Small Quakes Strike Near Centerville Hours Apart in Ongoing Lowcountry Swarm

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

Mexico Logs M4.2 Near Santa Rosalía as Study Links Capital Microsismos to Contreras Fault

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

Magnitude 4.2 Quake Near Great Falls Shakes Montana as Malmstrom AFB Reports No Damage

Pacific Rim Sees Flurry of Moderate Quakes as Guerrero Aftershocks Hit M4.7

Overnight 4.2 Jolts Indio Area as Aftershock Swarm Follows 4.9 Quake

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

Series of Moderate Quakes Hit Pacific Rim as M5.8 Strikes Off Kamchatka

Back-to-Back Quakes Rattle Emilia-Romagna, Rail Lines Halted for Checks