QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10008mgu
USGS us10008mgu

1 May 2017, 15:18

48 km NW of Mosquito Lake, Alaska

A magnitude 6.3 mww earthquake at 2.5 km depth.

Depth2.5 kmPublished hypocentral depth
Tsunami flagFlaggedUSGS catalog flag, not a current warning
Updated7 August 2023Latest timestamp stored in this record

Published location

Where is 48 km NW of Mosquito Lake, 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.

59.829500, -136.704200

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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 6.2

47 km NW of Mosquito Lake, Alaska

M 6.11

62 km W of Elfin Cove, Alaska

M 6.1

35 km WSW of Elfin Cove, Alaska

M 6.09

77 km SW of Covenant Life, Alaska

M 6

40 km WNW of Elfin Cove, Alaska

M 6.7

66 km WSW of Pelican, Alaska

Catalog fields and provenance
Event ID
us10008mgu
Coordinates
59.8295, -136.7042
Network
us
Significance
975