Quakes
80 km ne of kolonga, tonga
USGS-USP0008AT9
- issued
- 1997-11-17 00:18Z
- status
- cancelled 1997-11-20 00:18Z
- self-cancels
- 1997-11-20 00:18Z
- authority
- USGS NEIC
- sea
- South Pacific Ocean
- position
- -20.654, -174.490
- source
- usgs · first seen 2026-09-03 15:08Z
Original warning text
80 KM NE OF KOLONGA, TONGA. 1. EARTHQUAKE MAGNITUDE 5.6 (MWC) IN 20.654S 174.490W, DEPTH 33 KM AT 170018Z NOV 97. 2. USGS EVENT USP0008AT9. https://earthquake.usgs.gov/earthquakes/eventpage/usp0008at9
This area · earthquake & tsunami bulletins
337 within 180 nm since 1997 · 3 in the last 12 months · 0 in force now
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26
- 158 km w of neiafu, tonga2026-03-24
- 99 km ene of ‘ohonua, tonga2026-01-31
- 53 km ssw of ‘ohonua, tonga2026-01-26
- 151 km e of neiafu, tonga2025-08-14
- 77 km ne of ‘ohonua, tonga2025-07-06
- 161 km nnw of houma, tonga2025-06-28
Season · when earthquake & tsunami bulletins happen here
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month of issue, all years in the archive
Timeline · 2 messages since 1997-11-17 · closed 1997-11-20
- 80 km ne of kolonga, tonga this message1997-11-17 → 1997-11-20
- 84 km ene of kolonga, tonga1997-11-17 → 1997-11-20
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
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.