Quakes

Earthquake magnitude 5.5 (mb) in 49.425S 126.371E, depth 10 km at 250900Z jul 16

Western Indian-antarctic Ridge · USGS-US100068C5

issued
2016-07-25 09:00Z
status
cancelled 2016-07-28 09:00Z
self-cancels
2016-07-28 09:00Z
authority
USGS NEIC
sea
Indian Ocean
position
-49.425, 126.371
source
usgs · first seen 2026-09-03 15:13Z

Original warning text

WESTERN INDIAN-ANTARCTIC RIDGE.
1. EARTHQUAKE MAGNITUDE 5.5 (MB) IN 49.425S 126.371E, DEPTH 10 KM AT 250900Z JUL 16.
2. USGS EVENT US100068C5. https://earthquake.usgs.gov/earthquakes/eventpage/us100068c5

This area · earthquake & tsunami bulletins

10 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

00
05
10
15
20
24

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 2016-07-25 · closed 2016-07-28

  1. Earthquake magnitude 5.8 (mww) in 49.485S 126.266E, depth 10 km at 250858Z jul 162016-07-25 → 2016-07-28
  2. Earthquake magnitude 5.5 (mb) in 49.425S 126.371E, depth 10 km at 250900Z jul 16 this message2016-07-25 → 2016-07-28

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.