QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us2000e23j
USGS us2000e23j
18 Apr 2018, 14:07
South Atlantic Ocean
A magnitude 5 mww earthquake at 10 km depth.
Published location
Where is South Atlantic Ocean?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-0.410400, -6.580800
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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.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Catalog fields and provenance
Event ID
us2000e23j
Coordinates
-0.4104, -6.5808
Network
us
Significance
385