QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000617r
USGS usp000617r

29 Sept 1993, 12:16

170 km W of Gorontalo, Indonesia

A magnitude 6.4 mw earthquake at 96.6 km depth.

Depth96.6 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 170 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.

0.494000, 121.528000

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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

101 km NNW of Rantepao, Indonesia

M 6.39

35 km NNW of Palu, Indonesia

M 6.45

54 km W of Poso, Indonesia

M 6.35

Celebes Sea

M 6.34

Sulawesi, Indonesia

M 6.31

211 km SE of Tarakan, Indonesia

Catalog fields and provenance
Event ID
usp000617r
Coordinates
0.494, 121.528
Network
us
Significance
630