Science ❯ Geology ❯ Seismology ❯ Earthquake Measurement

Magnitude Scale

6.3-Magnitude Quake Strikes Northern Afghanistan, Killing at Least 20 and Injuring Hundreds

Officials say counts are preliminary pending full access to remote districts, with formal damage assessments to follow.

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

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

Powerful Offshore Quake Strikes Southern Philippines; Tsunami Threat Lifted