QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000h6a0
USGS usp000h6a0
18 Jan 2010, 15:56
11 km E of Náfpaktos, Greece
A magnitude 5.5 mwc earthquake at 0.8 km depth.
Published location
Where is 11 km E of Náfpaktos, Greece?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
38.404000, 21.961000
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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
usp000h6a0
Coordinates
38.404, 21.961
Network
us
Significance
493