M3.3 earthquake 38 km WNW of Anchor Point, Alaska

A magnitude 3.3 earthquake struck 38 km WNW of Anchor Point, Alaska on Wed, Jun 10, 2020, 9:30 AM AKDT (17:30 UTC), 86 km (54 mi) below the surface.

A larger quake followed: M4.0 32 km E of Pedro Bay, 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
3.3	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
3.9	mb, body-wave	USGS National Earthquake Information Center	Reviewed · ±0.209 · 6 stations

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 129 in the 30 days before it.

The first 60 of at least 201.

From the USGS Earthquake Hazards Program and its partner networks, event ak0207g7d1qa (also filed as us6000a9f3). Read Thu, Oct 1, 2026, 7:26 PM UTC.