QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0003009
USGS usp0003009
14 Nov 1986, 21:20
8 km SSW of Hualien City, Taiwan
A magnitude 7.4 mw earthquake at 33.8 km depth.
Published location
Where is 8 km SSW 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.
23.901000, 121.574000
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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
usp0003009
Coordinates
23.901, 121.574
Network
us
Significance
842