QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem812400
USGS iscgem812400
20 Feb 1969, 10:55
199 km N of Tobelo, Indonesia
A magnitude 6.4 mw earthquake at 43.9 km depth.
Published location
Where is 199 km N of Tobelo, 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.
3.531000, 128.129000
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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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Catalog fields and provenance
Event ID
iscgem812400
Coordinates
3.531, 128.129
Network
iscgem
Significance
636