M2.6 earthquake 104 km SSE of False Pass, Alaska

A magnitude 2.6 earthquake struck 104 km SSE of False Pass, Alaska on Mon, Sep 17, 2018, 10:42 AM AKDT (18:42 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M4.5 84 km S of False Pass, Alaska. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 55 in the 60 days after this one and 44 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak018byap21p. Read Wed, Sep 30, 2026, 9:05 AM UTC.