Quakes

141 km w of sardinal, costa rica

USGS-USB000J0ZB

issued: 2013-08-12 05:18Z
status: cancelled 2013-08-15 05:18Z
self-cancels: 2013-08-15 05:18Z
authority: USGS NEIC
sea: North Pacific Ocean
position: 10.458, -86.935
source: usgs · first seen 2026-09-03 15:13Z

Original warning text

141 KM W OF SARDINAL, COSTA RICA.
1. EARTHQUAKE MAGNITUDE 5.5 (MWC) IN 10.458N 086.935W, DEPTH 22 KM AT 120518Z AUG 13.
2. USGS EVENT USB000J0ZB. https://earthquake.usgs.gov/earthquakes/eventpage/usb000j0zb

This area · earthquake & tsunami bulletins

99 within 180 nm since 1997 · 4 in the last 12 months · 0 in force now

69 km ssw of chirilagua, el salvador2026-08-13
72 km sw of tamarindo, costa rica2026-04-15
2 km wsw of ciudad sandino, nicaragua2026-03-26
21 km ssw of quepos, costa rica2025-10-22
2 km sse of conchagua, el salvador2024-12-09
40 km wnw of tamarindo, costa rica2024-10-12

Season · when earthquake & tsunami bulletins happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

5 earthquake & tsunami bulletins in force · see all

Quakes

Undersea earthquakes of magnitude 5.5 and above (USGS) and the tsunami bulletins NAVAREA coordinators relay. All current earthquake & tsunami bulletins →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.