Quakes
Earthquake magnitude 5.5 (mwc) in 63.470S 147.673E, depth 10 km at 181004Z apr 98
South of Australia · USGS-USP0008KGN
- issued
- 1998-04-18 10:04Z
- status
- cancelled 1998-04-21 10:04Z
- self-cancels
- 1998-04-21 10:04Z
- authority
- USGS NEIC
- sea
- Southern Ocean
- position
- -63.470, 147.673
- source
- usgs · first seen 2026-09-03 15:08Z
Original warning text
SOUTH OF AUSTRALIA. 1. EARTHQUAKE MAGNITUDE 5.5 (MWC) IN 63.470S 147.673E, DEPTH 10 KM AT 181004Z APR 98. 2. USGS EVENT USP0008KGN. https://earthquake.usgs.gov/earthquakes/eventpage/usp0008kgn
This area · earthquake & tsunami bulletins
9 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now
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- Earthquake magnitude 5.8 (mww) in 63.043S 145.002E, depth 10 km at 231808Z feb 162016-02-23
- Earthquake magnitude 5.9 (mwc) in 62.973S 145.306E, depth 6 km at 030041Z aug 072007-08-03
- Earthquake magnitude 6.1 (mwc) in 62.902S 145.637E, depth 10 km at 052357Z mar 002000-03-05
- Earthquake magnitude 5.5 (mwc) in 63.607S 147.488E, depth 10 km at 141321Z aug 981998-08-14
- Earthquake magnitude 5.7 (mwc) in 62.631S 147.086E, depth 10 km at 310124Z mar 981998-03-31
- Earthquake magnitude 5.8 (ms) in 63.561S 147.862E, depth 10 km at 251314Z mar 981998-03-25
Season · when earthquake & tsunami bulletins happen here
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month of issue, all years in the archive
Timeline · 3 messages since 1998-03-25 · closed 1998-04-21
- Earthquake magnitude 6.4 (mwc) in 63.612S 147.937E, depth 10 km at 251217Z mar 981998-03-25 → 1998-03-28
- Earthquake magnitude 5.8 (ms) in 63.561S 147.862E, depth 10 km at 251314Z mar 981998-03-25 → 1998-03-28
- Earthquake magnitude 5.5 (mwc) in 63.470S 147.673E, depth 10 km at 181004Z apr 98 this message1998-04-18 → 1998-04-21
joined by proximity
Nearby now · within 120 nm
Nothing else in force within 120 nm.
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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.