QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0004845
USGS usp0004845
18 Apr 1990, 19:32
86 km N of Gorontalo, Indonesia
A magnitude 6.5 mw earthquake at 19.1 km depth.
Published location
Where is 86 km N 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.
1.315000, 123.018000
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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
usp0004845
Coordinates
1.315, 123.018
Network
us
Significance
650