QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10008qgx
USGS us10008qgx

8 May 2017, 16:31

98 km SSW of Adak, Alaska

A magnitude 5.7 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 98 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.

51.025100, -177.011600

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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 5.7

115 km ESE of Adak, Alaska

M 5.7

80 km SSW of Atka, Alaska

M 5.7

Andreanof Islands, Aleutian Islands, Alaska

M 5.7

111 km SE of Atka, Alaska

M 5.8

88 km ESE of Adak, Alaska

M 5.8

68 km SSE of Atka, Alaska

Catalog fields and provenance
Event ID
us10008qgx
Coordinates
51.0251, -177.0116
Network
us
Significance
500