QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000rk7
USGS usp0000rk7
18 Nov 1977, 05:20
western Xizang
A magnitude 6.5 ms earthquake at 33 km depth.
Published location
Where is western Xizang?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
32.693000, 88.388000
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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
usp0000rk7
Coordinates
32.693, 88.388
Network
us
Significance
650