QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000jw4p
USGS usp000jw4p
27 Nov 2012, 07:34
Alamagan region, Northern Mariana Islands
A magnitude 5.4 mwb earthquake at 192 km depth.
Published location
Where is Alamagan region, Northern Mariana Islands?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
17.684000, 145.763000
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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
usp000jw4p
Coordinates
17.684, 145.763
Network
us
Significance
449