QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00026nw
USGS usp00026nw

23 Aug 1984, 20:49

18 km S of Masachapa, Nicaragua

A magnitude 6.2 mw earthquake at 57.3 km depth.

Depth57.3 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated27 April 2022Latest timestamp stored in this record

Published location

Where is 18 km S of Masachapa, Nicaragua?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

11.618000, -86.485000

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.

Open the USGS event →

Continue exploring

Nearby events with a similar magnitude

M 6.2

24 km SW of La Cruz, Costa Rica

M 6.2

15 km SE of Quepos, Costa Rica

M 6.2

42 km SW of La Cruz, Costa Rica

M 6.2

13 km SE of Los Chiles, Costa Rica

M 6.2

16 km SE of La Suiza, Costa Rica

M 6.2

13 km WSW of Quepos, Costa Rica

Catalog fields and provenance
Event ID
usp00026nw
Coordinates
11.618, -86.485
Network
us
Significance
591