Quakes
Earthquake magnitude 5.5 (mwc) in 63.289S 166.566W, depth 10 km at 071750Z sep 99
Pacific-antarctic Ridge · USGS-USP0009E4Z
- issued
- 1999-09-07 17:50Z
- status
- cancelled 1999-09-10 17:50Z
- self-cancels
- 1999-09-10 17:50Z
- authority
- USGS NEIC
- sea
- Southern Ocean
- position
- -63.289, -166.566
- source
- usgs · first seen 2026-09-03 15:08Z
Original warning text
PACIFIC-ANTARCTIC RIDGE. 1. EARTHQUAKE MAGNITUDE 5.5 (MWC) IN 63.289S 166.566W, DEPTH 10 KM AT 071750Z SEP 99. 2. USGS EVENT USP0009E4Z. https://earthquake.usgs.gov/earthquakes/eventpage/usp0009e4z
This area · earthquake & tsunami bulletins
21 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now
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- Earthquake magnitude 5.5 (mww) in 63.208S 164.423W, depth 10 km at 120614Z jun 252025-06-12
- Earthquake magnitude 5.7 (mww) in 63.241S 163.758W, depth 10 km at 120458Z jun 252025-06-12
- Earthquake magnitude 5.6 (mww) in 63.114S 163.670W, depth 10 km at 081445Z dec 222022-12-08
- Earthquake magnitude 5.6 (mwb) in 64.007S 167.855W, depth 10 km at 141501Z nov 222022-11-14
- Earthquake magnitude 5.5 (mww) in 62.379S 161.204W, depth 10 km at 262112Z mar 212021-03-26
- Earthquake magnitude 5.7 (mww) in 62.534S 161.628W, depth 10 km at 262103Z mar 212021-03-26
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Timeline · 2 messages since 1999-09-07 · closed 1999-09-24
- Earthquake magnitude 5.5 (mwc) in 63.289S 166.566W, depth 10 km at 071750Z sep 99 this message1999-09-07 → 1999-09-10
- Earthquake magnitude 5.6 (mwc) in 63.680S 167.163W, depth 10 km at 212224Z sep 991999-09-21 → 1999-09-24
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