Quakes

37 km ene of ‘ohonua, tonga

USGS-USP000J4EA

issued
2011-07-09 07:08Z
status
cancelled 2011-07-12 07:08Z
self-cancels
2011-07-12 07:08Z
authority
USGS NEIC
sea
South Pacific Ocean
position
-21.160, -174.638
source
usgs · first seen 2026-09-03 15:13Z

Original warning text

37 KM ENE OF ‘OHONUA, TONGA.
1. EARTHQUAKE MAGNITUDE 5.6 (MWC) IN 21.160S 174.638W, DEPTH 10 KM AT 090708Z JUL 11.
2. USGS EVENT USP000J4EA. https://earthquake.usgs.gov/earthquakes/eventpage/usp000j4ea

This area · earthquake & tsunami bulletins

346 within 180 nm since 1997 · 4 in the last 12 months · 0 in force now

97
00
05
10
15
20
25
26

Season · when earthquake & tsunami bulletins happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Timeline · 2 messages since 2011-07-09 · closed 2011-07-12

  1. 45 km ene of ‘ohonua, tonga2011-07-09 → 2011-07-12
  2. 37 km ene of ‘ohonua, tonga this message2011-07-09 → 2011-07-12

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.