M2.5 earthquake 117 km ESE of Chiniak, Alaska

A magnitude 2.5 earthquake struck 117 km ESE of Chiniak, Alaska on Fri, Jun 23, 2023, 6:05 AM AKDT (14:05 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.2 207 km SE of Chiniak, 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
2.5	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.7	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.055 · 44 stations

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: 11 in the 60 days after this one and 3 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak0237zzvrgz (also filed as us6000knqk). Read Sun, Oct 4, 2026, 6:36 PM UTC.