QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0002w6p
USGS usp0002w6p

19 Jul 1986, 23:32

64 km SW of Unalaska, Alaska

A magnitude 6 mw earthquake at 33 km depth.

Depth33 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated27 April 2022Latest timestamp stored in this record

Published location

Where is 64 km SW of Unalaska, 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.

53.521000, -167.301000

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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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Continue exploring

Nearby events with a similar magnitude

M 6

106 km ESE of Akutan, Alaska

M 6

96 km SSW of False Pass, Alaska

M 6

51 km SW of Unalaska, Alaska

M 6

137 km S of False Pass, Alaska

M 6

59 km S of Akutan, Alaska

M 6

143 km S of False Pass, Alaska

Catalog fields and provenance
Event ID
usp0002w6p
Coordinates
53.521, -167.301
Network
us
Significance
554