QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20009mk9
USGS us20009mk9
15 Jun 2017, 04:11
91 km SE of Basco, Philippines
A magnitude 5.1 mww earthquake at 187.2 km depth.
Published location
Where is 91 km SE of Basco, Philippines?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
19.787800, 122.501300
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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
us20009mk9
Coordinates
19.7878, 122.5013
Network
us
Significance
401