QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000gzsq
USGS usp000gzsq
29 Jul 2009, 17:53
30 km W of Hengchun, Taiwan
A magnitude 5.4 mwb earthquake at 11.1 km depth.
Published location
Where is 30 km W of Hengchun, Taiwan?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
21.984000, 120.447000
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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
usp000gzsq
Coordinates
21.984, 120.447
Network
us
Significance
459