QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us200064cs
USGS us200064cs

14 Jun 2016, 18:13

39 km SW of Adak, Alaska

A magnitude 5.1 mb earthquake at 54.2 km depth.

Depth54.2 kmPublished hypocentral depth
Tsunami flagFlaggedUSGS catalog flag, not a current warning
Updated1 August 2023Latest timestamp stored in this record

Published location

Where is 39 km SW of Adak, 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.

51.627900, -177.052900

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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

M 5.1

109 km SSW of Adak, Alaska

M 5.1

62 km SW of Adak, Alaska

M 5.1

45 km ESE of Adak, Alaska

M 5.1

105 km SE of Atka, Alaska

M 5.1

76 km SSE of Atka, Alaska

M 5.1

39 km S of Adak, Alaska

Catalog fields and provenance
Event ID
us200064cs
Coordinates
51.6279, -177.0529
Network
us
Significance
400