Science ❯ Geology ❯ Seismology ❯ Earthquake Measurement

Magnitude

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

Authorities warn of heightened aftershock risk over the next few days.

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

Preliminary 3.2 Quake Rattles East Bay Near Briones Early Sunday