Quakes

94 km sw of tamarindo, costa rica

94 km SW of Tamarindo, Costa Rica · USGS-US6000TYMJ

What this record establishes

Listed in force

The latest collected record lists this warning as active. This is the status of the notice, not a live observation of conditions at the location.

Source and dates: USGS earthquakes at sea, M 5.5+ (FDSN event service) · USGS NEIC. Issued 2026-09-30 21:55Z. First collected 2026-10-01 00:18Z; last seen in collection 2026-10-01 00:18Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: 94 km SW of Tamarindo, Costa Rica. The parsed report position is 9.753, -86.506. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the North Pacific Ocean →

issued: 2026-09-30 21:55Z
status: Listed in force
self-cancels: 2026-10-03 21:55Z
authority: USGS NEIC
issued by: USGS NEIC
sea: North Pacific Ocean
position: 9.753, -86.506
nearest port: Puntarenas · 102 nm
source: USGS earthquakes at sea, M 5.5+ (FDSN event service) · first seen 2026-10-01 00:18Z

Original warning text

94 KM SW OF TAMARINDO, COSTA RICA.
1. EARTHQUAKE MAGNITUDE 5.6 (MWW) IN 9.753N 086.506W, DEPTH 8 KM AT 302155Z SEP 26.
2. USGS EVENT US6000TYMJ. https://earthquake.usgs.gov/earthquakes/eventpage/us6000tymj

Reading this warning

Date-time group (DTG): A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.

All warning terms →

Conditions at the position · now

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MET Norway · NOAA WaveWatch III · HYCOM · GEBCO 2020 · model data at the centroid, not an observation

Collected reports in this area · earthquake & tsunami bulletins

89 within 180 nm since 1997 · 5 in the last 12 months · 1 listed in force now

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

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
20 km ese of cárdenas, nicaragua2024-04-17

Month of issue in the collected archive

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

3 earthquake & tsunami bulletins listed in force · see all

Record snapshot 2026-10-01 01:54Z; source collection times vary.

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.