Quakes
121 km e of ‘ohonua, tonga
USGS-US1000E3ZD
- issued
- 2018-05-13 05:50Z
- status
- cancelled 2018-05-16 05:50Z
- self-cancels
- 2018-05-16 05:50Z
- authority
- USGS NEIC
- sea
- South Pacific Ocean
- position
- -21.164, -173.797
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
121 KM E OF ‘OHONUA, TONGA. 1. EARTHQUAKE MAGNITUDE 5.5 (MWW) IN 21.164S 173.797W, DEPTH 10 KM AT 130550Z MAY 18. 2. USGS EVENT US1000E3ZD. https://earthquake.usgs.gov/earthquakes/eventpage/us1000e3zd
This area · earthquake & tsunami bulletins
293 within 180 nm since 1997 · 2 in the last 12 months · 0 in force now
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- 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
- 187 km ssw of ‘ohonua, tonga2025-05-25
Season · when earthquake & tsunami bulletins happen here
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month of issue, all years in the archive
Timeline · 2 messages since 2018-05-13 · closed 2018-05-23
- 121 km e of ‘ohonua, tonga this message2018-05-13 → 2018-05-16
- 104 km ene of ‘ohonua, tonga2018-05-20 → 2018-05-23
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.