Quakes

291 km wnw of pangai, tonga

USGS-USP0009CXH

issued: 1999-08-12 00:25Z
status: cancelled 1999-08-15 00:25Z
self-cancels: 1999-08-15 00:25Z
authority: USGS NEIC
sea: South Pacific Ocean
position: -18.721, -176.882
source: usgs · first seen 2026-09-03 15:08Z

Original warning text

291 KM WNW OF PANGAI, TONGA.
1. EARTHQUAKE MAGNITUDE 5.5 (MWC) IN 18.721S 176.882W, DEPTH 33 KM AT 120025Z AUG 99.
2. USGS EVENT USP0009CXH. https://earthquake.usgs.gov/earthquakes/eventpage/usp0009cxh

This area · earthquake & tsunami bulletins

424 within 180 nm since 1997 · 7 in the last 12 months · 0 in force now

Earthquake magnitude 5.5 (mww) in 20.751S 178.584W, depth 576 km at 142250Z jul 262026-07-14
265 km se of levuka, fiji2026-07-05
156 km sw of hihifo, tonga2026-07-01
158 km w of neiafu, tonga2026-03-24
Earthquake magnitude 6.2 (mww) in 21.026S 178.378W, depth 513 km at 102044Z feb 262026-02-10
Earthquake magnitude 5.6 (mww) in 20.857S 178.954W, depth 620 km at 022335Z dec 252025-12-02

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