QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000cy2g
USGS usp000cy2g
17 Jun 2004, 03:16
Mariana Islands region
A magnitude 5.3 mwc earthquake at 297.2 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.
21.614000, 143.149000
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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
usp000cy2g
Coordinates
21.614, 143.149
Network
us
Significance
432