QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20007cti
USGS us20007cti
8 Oct 2016, 19:10
Mariana Islands region
A magnitude 5.4 mww 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.
20.024500, 146.763400
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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
us20007cti
Coordinates
20.0245, 146.7634
Network
us
Significance
449