Quakes

55 km sse of sámara, costa rica

USGS-USP0009WWB

issued: 2000-07-21 01:53Z
status: cancelled 2000-07-24 01:53Z
self-cancels: 2000-07-24 01:53Z
authority: USGS NEIC
sea: North Pacific Ocean
position: 9.416, -85.329
source: usgs · first seen 2026-09-03 15:08Z

Original warning text

55 KM SSE OF SÁMARA, COSTA RICA.
1. EARTHQUAKE MAGNITUDE 6.4 (MWC) IN 9.416N 085.329W, DEPTH 33 KM AT 210153Z JUL 00.
2. USGS EVENT USP0009WWB. https://earthquake.usgs.gov/earthquakes/eventpage/usp0009wwb

This area · earthquake & tsunami bulletins

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

72 km sw of tamarindo, costa rica2026-04-15
2 km wsw of ciudad sandino, nicaragua2026-03-26
55 km wsw of puerto cortés, costa rica2025-11-18
21 km ssw of quepos, costa rica2025-10-22
40 km wnw of tamarindo, costa rica2024-10-12
11 km ese of puerto armuelles, panama2024-07-22

Season · when earthquake & tsunami bulletins happen here

month of issue, all years in the archive

Timeline · 2 messages since 2000-07-21 · closed 2000-07-24

55 km sse of sámara, costa rica this message2000-07-21 → 2000-07-24
64 km ssw of paquera, costa rica2000-07-21 → 2000-07-24

joined by proximity

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.