QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0004488
USGS usp0004488
14 Jan 1990, 03:03
northern Qinghai, China
A magnitude 6 mw earthquake at 12.2 km depth.
Published location
Where is northern Qinghai, China?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
37.819000, 91.971000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp0004488
Coordinates
37.819, 91.971
Network
us
Significance
554