M2.9 earthquake 40 km NE of Pedro Bay, Alaska

A magnitude 2.9 earthquake struck 40 km NE of Pedro Bay, Alaska on Tue, Aug 6, 2019, 12:07 PM AKDT (20:07 UTC), 146 km (91 mi) below the surface.

A larger quake followed: M4.1 16 km ESE 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
2.9	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.9	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed

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 200 in the 60 days after this one and 132 in the 30 days before it.

The first 60 of at least 200.

From the USGS Earthquake Hazards Program and its partner networks, event ak019a0v3xtt (also filed as us600051jp). Read Fri, Oct 2, 2026, 9:31 AM UTC.