Quakes
104 km sw of sagres, portugal
USGS-USP000H543
- issued
- 2009-12-17 01:37Z
- status
- cancelled 2009-12-20 01:37Z
- self-cancels
- 2009-12-20 01:37Z
- authority
- USGS NEIC
- sea
- North Atlantic Ocean
- position
- 36.463, -9.900
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
104 KM SW OF SAGRES, PORTUGAL. 1. EARTHQUAKE MAGNITUDE 5.6 (MWC) IN 36.463N 009.900W, DEPTH 20 KM AT 170137Z DEC 09. 2. USGS EVENT USP000H543. https://earthquake.usgs.gov/earthquakes/eventpage/usp000h543
This area · earthquake & tsunami bulletins
2 within 180 nm since 2007 · 0 in the last 12 months · 0 in force now
07
09
- 181 km sw of sagres, portugal2007-02-12
Season · when earthquake & tsunami bulletins happen here
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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.