Quakes

42 km s of quepos, costa rica

USGS-USP0009DCG

issued
1999-08-20 10:02Z
status
cancelled 1999-08-23 10:02Z
self-cancels
1999-08-23 10:02Z
authority
USGS NEIC
sea
North Pacific Ocean
position
9.044, -84.159
source
usgs · first seen 2026-09-03 15:08Z

Original warning text

42 KM S OF QUEPOS, COSTA RICA.
1. EARTHQUAKE MAGNITUDE 6.9 (MWC) IN 9.044N 084.159W, DEPTH 20 KM AT 201002Z AUG 99.
2. USGS EVENT USP0009DCG. https://earthquake.usgs.gov/earthquakes/eventpage/usp0009dcg

This area · earthquake & tsunami bulletins

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

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

  1. 23 km ese of quepos, costa rica1999-08-10 → 1999-08-13
  2. 42 km s of quepos, costa rica this message1999-08-20 → 1999-08-23
  3. 45 km w of ciudad cortés, costa rica1999-08-21 → 1999-08-24

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