QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000by90
USGS usp000by90
27 May 2003, 05:23
109 km NE of Tobelo, Indonesia
A magnitude 5 mb earthquake at 33 km depth.
Published location
Where is 109 km NE 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.
2.311000, 128.800000
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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
usp000by90
Coordinates
2.311, 128.8
Network
us
Significance
385