QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000c0mc
USGS usp000c0mc
22 Jun 2003, 13:31
Maug Islands region, Northern Mariana Islands
A magnitude 5 mwc earthquake at 132.3 km depth.
Published location
Where is Maug Islands 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.
20.592000, 144.811000
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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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Catalog fields and provenance
Event ID
usp000c0mc
Coordinates
20.592, 144.811
Network
us
Significance
385