QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem610326343
USGS iscgem610326343
15 Feb 1909, 09:33
11 km ENE of Elhovo, Bulgaria
A magnitude 6.1 mw earthquake at 15 km depth.
Published location
Where is 11 km ENE of Elhovo, Bulgaria?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
42.221000, 26.685000
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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
iscgem610326343
Coordinates
42.221, 26.685
Network
iscgem
Significance
571