Quakes

23 km ese of quepos, costa rica

USGS-USP0009CVB

issued: 1999-08-10 14:55Z
status: cancelled 1999-08-13 14:55Z
self-cancels: 1999-08-13 14:55Z
authority: USGS NEIC
sea: North Pacific Ocean
position: 9.346, -83.967
source: usgs · first seen 2026-09-03 15:08Z

Original warning text

23 KM ESE OF QUEPOS, COSTA RICA.
1. EARTHQUAKE MAGNITUDE 5.6 (MWC) IN 9.346N 083.967W, DEPTH 33 KM AT 101455Z AUG 99.
2. USGS EVENT USP0009CVB. https://earthquake.usgs.gov/earthquakes/eventpage/usp0009cvb

This area · earthquake & tsunami bulletins

95 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
124 km sse of burica, panama2025-03-21
77 km se of burica, panama2024-11-09

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

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Nearby now · within 120 nm

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5 earthquake & tsunami bulletins in force · see all

Quakes

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