Quakes
103 km se of pangai, tonga
USGS-US1000ATNB
- issued
- 2017-10-18 12:00Z
- status
- cancelled 2017-10-21 12:00Z
- self-cancels
- 2017-10-21 12:00Z
- authority
- USGS NEIC
- sea
- South Pacific Ocean
- position
- -20.591, -173.802
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
103 KM SE OF PANGAI, TONGA. 1. EARTHQUAKE MAGNITUDE 6.1 (MWW) IN 20.591S 173.802W, DEPTH 10 KM AT 181200Z OCT 17. 2. USGS EVENT US1000ATNB. https://earthquake.usgs.gov/earthquakes/eventpage/us1000atnb
This area · earthquake & tsunami bulletins
316 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
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.