M1.6 earthquake 29 km ESE of Atka, Alaska

A magnitude 1.6 earthquake struck 29 km ESE of Atka, Alaska on Sun, Jul 14, 2024, 12:54 AM HADT (09:54 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.8 29 km SW of Atka, Alaska. This one was a foreshock.

Map

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

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
1.6	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
1.52	ML, local (Richter)	AV	Final · ±0.415972546176085 · 5 stations

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Within 100 km, magnitude 1.5 and up: 189 in the 60 days after this one and 121 in the 30 days before it.

The first 60 of 189.

From the USGS Earthquake Hazards Program and its partner networks, event ak02490b0lpt (also filed as av93196391). Read Sun, Oct 4, 2026, 7:57 AM UTC.