QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us600087lz
USGS us600087lz
2 Mar 2020, 00:31
239 km WSW of Adak, Alaska
A magnitude 5.7 mww earthquake at 19.7 km depth.
Published location
Where is 239 km WSW 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.
51.106900, -179.850000
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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
us600087lz
Coordinates
51.1069, -179.85
Network
us
Significance
500