QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000b72
USGS usp0000b72
27 May 1975, 11:18
55 km WNW of Gorontalo, Indonesia
A magnitude 6.1 mb earthquake at 70 km depth.
Published location
Where is 55 km WNW 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.
0.769000, 122.621000
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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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Catalog fields and provenance
Event ID
usp0000b72
Coordinates
0.769, 122.621
Network
us
Significance
572