QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem869903
USGS iscgem869903
28 Mar 1964, 12:30
99 km W of Gorontalo, Indonesia
A magnitude 6.7 mw earthquake at 115 km depth.
Published location
Where is 99 km W of Gorontalo, 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.
0.418000, 122.174000
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
iscgem869903
Coordinates
0.418, 122.174
Network
iscgem
Significance
686