QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us1000az11
USGS us1000az11
31 Oct 2017, 13:52
77 km S of Linxia Chengguanzhen, China
A magnitude 5 mb earthquake at 10 km depth.
Published location
Where is 77 km S of Linxia Chengguanzhen, 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.
34.909400, 103.287700
Open the interactive map ↗Map data © OpenStreetMap contributors
What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
us1000az11
Coordinates
34.9094, 103.2877
Network
us
Significance
385