QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0004dw9
USGS usp0004dw9

25 Aug 1990, 16:47

147 km WSW of Ternate, Indonesia

A magnitude 6.4 mw earthquake at 11.3 km depth.

Depth11.3 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 147 km WSW of Ternate, 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.

0.525000, 126.084000

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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.

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Nearby events with a similar magnitude

M 6.4

86 km NE of Luwuk, Indonesia

M 6.4

125 km WNW of Ternate, Indonesia

M 6.4

152 km NW of Ternate, Indonesia

M 6.4

131 km WNW of Tobelo, Indonesia

M 6.4

138 km WNW of Ternate, Indonesia

M 6.4

123 km ENE of Laikit, Laikit II (Dimembe), Indonesia

Catalog fields and provenance
Event ID
usp0004dw9
Coordinates
0.525, 126.084
Network
us
Significance
630