QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00038y5
USGS usp00038y5
3 Oct 1987, 11:16
193 km W of Tual, Indonesia
A magnitude 6.4 mw earthquake at 73.5 km depth.
Published location
Where is 193 km W of Tual, Indonesia?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-5.447000, 131.012000
Open the interactive map ↗Map data © OpenStreetMap contributors
What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp00038y5
Coordinates
-5.447, 131.012
Network
us
Significance
630