QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem891027
USGS iscgem891027
4 Sept 1954, 09:53
110 km ESE of Hengchun, Taiwan
A magnitude 6 mw earthquake at 35 km depth.
Published location
Where is 110 km ESE 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.
21.475000, 121.647000
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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
iscgem891027
Coordinates
21.475, 121.647
Network
iscgem
Significance
556