Quakes
50 km se of porto martins, portugal
USGS-USP0008416
- issued
- 1997-06-27 04:39Z
- status
- cancelled 1997-06-30 04:39Z
- self-cancels
- 1997-06-30 04:39Z
- authority
- USGS NEIC
- sea
- North Atlantic Ocean
- position
- 38.334, -26.684
- source
- usgs · first seen 2026-09-03 15:08Z
Original warning text
50 KM SE OF PORTO MARTINS, PORTUGAL. 1. EARTHQUAKE MAGNITUDE 5.9 (MWC) IN 38.334N 026.684W, DEPTH 10 KM AT 270439Z JUN 97. 2. USGS EVENT USP0008416. https://earthquake.usgs.gov/earthquakes/eventpage/usp0008416
This area · earthquake & tsunami bulletins
6 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now
97
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Season · when earthquake & tsunami bulletins happen here
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month of issue, all years in the archive
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.