Quakes

45 km w of ciudad cortés, costa rica

USGS-USP0009DEM

issued: 1999-08-21 10:49Z
status: cancelled 1999-08-24 10:49Z
self-cancels: 1999-08-24 10:49Z
authority: USGS NEIC
sea: North Pacific Ocean
position: 8.918, -83.938
source: usgs · first seen 2026-09-03 15:08Z

Original warning text

45 KM W OF CIUDAD CORTÉS, COSTA RICA.
1. EARTHQUAKE MAGNITUDE 5.8 (MWC) IN 8.918N 083.938W, DEPTH 24 KM AT 211049Z AUG 99.
2. USGS EVENT USP0009DEM. https://earthquake.usgs.gov/earthquakes/eventpage/usp0009dem

This area · earthquake & tsunami bulletins

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

72 km sw of tamarindo, costa rica2026-04-15
148 km sse of burica, panama2025-12-17
55 km wsw of puerto cortés, costa rica2025-11-18
21 km ssw of quepos, costa rica2025-10-22
206 km s of burica, panama2025-07-14
124 km sse of burica, panama2025-03-21

Season · when earthquake & tsunami bulletins happen here

month of issue, all years in the archive

Timeline · 3 messages since 1999-08-10 · closed 1999-08-24

23 km ese of quepos, costa rica1999-08-10 → 1999-08-13
42 km s of quepos, costa rica1999-08-20 → 1999-08-23
45 km w of ciudad cortés, costa rica this message1999-08-21 → 1999-08-24

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

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