QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000h1n0
USGS usp000h1n0
18 Sept 2009, 19:34
91 km W of Tobelo, Indonesia
A magnitude 5.8 mwc earthquake at 92.7 km depth.
Published location
Where is 91 km W 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.
1.755000, 127.189000
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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
usp000h1n0
Coordinates
1.755, 127.189
Network
us
Significance
518