QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us1000aqwn
USGS us1000aqwn
12 Oct 2017, 19:59
45 km SSW of Serrezuela, Argentina
A magnitude 5.5 mww earthquake at 165.7 km depth.
Published location
Where is 45 km SSW of Serrezuela, Argentina?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-30.993900, -65.618600
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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
us1000aqwn
Coordinates
-30.9939, -65.6186
Network
us
Significance
472