QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem885987
USGS iscgem885987
23 Feb 1957, 20:26
3 km WSW of Hualien City, Taiwan
A magnitude 6.9 mw earthquake at 55 km depth.
Published location
Where is 3 km WSW of Hualien City, 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.
23.965000, 121.577000
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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
iscgem885987
Coordinates
23.965, 121.577
Network
iscgem
Significance
737