QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0003duj
USGS usp0003duj
11 Mar 1988, 03:44
31 km N of San Vito, Costa Rica
A magnitude 6 mw earthquake at 22.5 km depth.
Published location
Where is 31 km N of San Vito, Costa Rica?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
9.105000, -82.985000
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
usp0003duj
Coordinates
9.105, -82.985
Network
us
Significance
554