QQuakeFacts
USGS usb000i8es

7 Jul 2013, 21:17

246 km WSW of Adak, Alaska

A magnitude 5.6 mb earthquake at 6.8 km depth.

Depth6.8 kmPublished hypocentral depth
Tsunami flagFlaggedUSGS catalog flag, not a current warning
Updated18 July 2023Latest timestamp stored in this record

Published location

Where is 246 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.

51.030000, -179.908000

Open the interactive map ↗

What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

Need a current safety answer?

Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

Open the USGS event →

Continue exploring

Nearby events with a similar magnitude

Catalog fields and provenance
Event ID
usb000i8es
Coordinates
51.03, -179.908
Network
us
Significance
482