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M4.5 Earthquake — 81 km SSE of Akutan, Alaska

M4.5
53.5186°N, 165.0962°W·US-AK
Started 10h ago
USGS data as of
Event Details
Typeearthquake
SeverityM4.5
Statusactive
Location53.5186°N, 165.0962°W (AK)
Started2026-10-24T08:33:48.499+00:00
Last Updated2026-10-24T19:00:37.134+00:00
Sourceusgs
Source URLearthquake.usgs.gov
Confidence1.00
Impact Zones — modeled
Moderate Impact Zone
Light to moderate damage. Check structures for damage.
24.9 km
Affected Zone
Shaking felt. Minor damage possible in vulnerable structures.
195.4 km

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

Impact Analysis
Population Exposed107,176
Structures in Zone371
Schools4
Fire Stations4

Population from ACS 5-Year 2022 tract sampling; structure counts from Microsoft Building Footprints or Census ACS housing data, capped by USGS NLCD 2021 developed land. Estimates for situational awareness — not for actuarial, regulatory, or underwriting use.

Historical Comparison
2022 AK Earthquake59% match

M5.3 Earthquake in AK, 22km from current event

AK
2009 AK Earthquake52% match

M5.3 Earthquake in AK, 34km from current event

AK
1999 AK Earthquake48% match

M5.4 Earthquake in AK, 22km from current event

AK

Historical comparison based on peril type, geography, and severity. Past events do not predict future outcomes.

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