QQuakeFacts
USGS us10008qh7

8 May 2017, 16:47

95 km SSW of Adak, Alaska

A magnitude 5.9 mww earthquake at 17 km depth.

Depth17 kmPublished hypocentral depth
Tsunami flagFlaggedUSGS catalog flag, not a current warning
Updated8 August 2023Latest timestamp stored in this record

Published location

Where is 95 km SSW 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.

51.045000, -176.986800

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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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Catalog fields and provenance
Event ID
us10008qh7
Coordinates
51.045, -176.9868
Network
us
Significance
536