QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usc000lt90
USGS usc000lt90
28 Dec 2013, 10:23
Mariana Islands region
A magnitude 5.1 mb earthquake at 10 km depth.
Published location
Where is Mariana Islands region?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
20.790600, 146.616000
Open the interactive map ↗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.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usc000lt90
Coordinates
20.7906, 146.616
Network
us
Significance
400