⊕earthquakeactive

M3.3 Earthquake — 236 km ESE of Attu Station, Alaska

M3.3

51.8250° N, 176.2320° E·US-AK

Started 16h ago

Event Details

Typeearthquake

SeverityM3.3

Statusactive

Location51.8250°N, 176.2320°E (US-AK)

Started2026-08-06T02:00:03.423+00:00

Last Updated2026-08-06T18:10:03.393+00:00

Sourceusgs

Confidence1.00

Impact Zones

Catastrophic Impact Zone

Severe structural damage expected. Immediate danger to life.

0.5 km

Severe Impact Zone

Significant structural damage possible. Exercise extreme caution.

1.1 km

Moderate Impact Zone

Light to moderate damage. Check structures for damage.

2.2 km

Affected Zone

Shaking felt. Minor damage possible in vulnerable structures.

4.5 km

Zone estimates are based on scientific models and may differ from actual local conditions.

Historical Comparison

No historical analogs available yet.

Zone estimates are based on scientific models and may differ from actual local conditions.