QQuakeFacts
USGS iscgem811148

20 Mar 1969, 17:18

104 km E of Aras-asan, Philippines

A magnitude 6.1 mw earthquake at 22.3 km depth.

Depth22.3 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 104 km E of Aras-asan, Philippines?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

8.729000, 127.247000

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
iscgem811148
Coordinates
8.729, 127.247
Network
iscgem
Significance
580