QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup913280
USGS iscgemsup913280
13 Sept 1918, 12:03
104 km SSW of Hengchun, Taiwan
A magnitude 6 mw earthquake at 25 km depth.
Published location
Where is 104 km SSW 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.
21.158000, 120.289000
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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
iscgemsup913280
Coordinates
21.158, 120.289
Network
iscgemsup
Significance
558