QQuakeFacts
USGS us2000g83v

18 Jul 2018, 20:06

103 km S of Sand Point, Alaska

A magnitude 5.6 mww earthquake at 29.7 km depth.

Depth29.7 kmPublished hypocentral depth
Tsunami flagFlaggedUSGS catalog flag, not a current warning
Updated15 August 2023Latest timestamp stored in this record

Published location

Where is 103 km S of Sand Point, 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.

54.422300, -160.767300

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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
us2000g83v
Coordinates
54.4223, -160.7673
Network
us
Significance
487