Quakes
Earthquake magnitude 6.0 (mwc) in 50.149S 138.989E, depth 10 km at 161417Z dec 99
Western Indian-antarctic Ridge · USGS-USP0009JX8
- issued
- 1999-12-16 14:17Z
- status
- cancelled 1999-12-19 14:17Z
- self-cancels
- 1999-12-19 14:17Z
- authority
- USGS NEIC
- sea
- Indian Ocean
- position
- -50.149, 138.989
- source
- usgs · first seen 2026-09-03 15:08Z
Original warning text
WESTERN INDIAN-ANTARCTIC RIDGE. 1. EARTHQUAKE MAGNITUDE 6.0 (MWC) IN 50.149S 138.989E, DEPTH 10 KM AT 161417Z DEC 99. 2. USGS EVENT USP0009JX8. https://earthquake.usgs.gov/earthquakes/eventpage/usp0009jx8
This area · earthquake & tsunami bulletins
26 within 180 nm since 1998 · 2 in the last 12 months · 0 in force now
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- Earthquake magnitude 6.0 (mww) in 50.406S 139.262E, depth 10 km at 271501Z may 262026-05-27
- Earthquake magnitude 6.0 (mww) in 50.507S 139.487E, depth 10 km at 271451Z may 262026-05-27
- Earthquake magnitude 5.9 (mww) in 51.795S 139.500E, depth 7 km at 130344Z oct 232023-10-13
- Earthquake magnitude 6.3 (mww) in 52.045S 139.613E, depth 10 km at 112004Z oct 232023-10-11
- Earthquake magnitude 5.8 (mww) in 52.841S 140.191E, depth 10 km at 300031Z sep 232023-09-30
- Earthquake magnitude 5.7 (mww) in 51.426S 139.100E, depth 10 km at 300903Z oct 212021-10-30
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Timeline · 2 messages since 1999-12-16 · closed 1999-12-20
- Earthquake magnitude 6.0 (mwc) in 50.149S 138.989E, depth 10 km at 161417Z dec 99 this message1999-12-16 → 1999-12-19
- Earthquake magnitude 6.0 (mwc) in 50.260S 139.423E, depth 10 km at 170027Z dec 991999-12-17 → 1999-12-20
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