QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem904280
USGS iscgem904280
13 May 1935, 20:53
50 km NNE of Chiang Klang, Thailand
A magnitude 6.4 mw earthquake at 35 km depth.
Published location
Where is 50 km NNE of Chiang Klang, Thailand?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
19.688000, 101.101000
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
iscgem904280
Coordinates
19.688, 101.101
Network
iscgem
Significance
620