QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us1000i3i6
USGS us1000i3i6
6 Dec 2018, 14:13
21 km NNE of Tubalan, Philippines
A magnitude 5.3 mww earthquake at 185.8 km depth.
Published location
Where is 21 km NNE of Tubalan, 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.
6.659400, 125.670000
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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
us1000i3i6
Coordinates
6.6594, 125.67
Network
us
Significance
432