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USGS ak020amc11hi

18 Aug 2020, 19:28

125 km SE of Perryville, Alaska

A magnitude 5.1 mww earthquake at 14.3 km depth.

Depth14.3 kmPublished hypocentral depth

Tsunami flagFlaggedUSGS catalog flag, not a current warning

Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 125 km SE of Perryville, Alaska?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

55.020000, -157.938900

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Map data © OpenStreetMap contributors

What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

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Nearby events with a similar magnitude

116 km SSE of King Cove, Alaska

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79 km SE of King Cove, Alaska

57 km SSE of Sand Point, Alaska

65 km ESE of King Cove, Alaska

104 km SE of False Pass, Alaska

Catalog fields and provenance

Event ID

ak020amc11hi

Coordinates

55.02, -157.9389

Network

ak

Significance

400