Quakes · tsunami
Earthquake magnitude 7.8 (mww) in 27.839N 140.493E, depth 664 km at 301123Z may 15
Bonin Islands, Japan Region · USGS-US20002KI3
- issued
- 2015-05-30 11:23Z
- status
- cancelled 2015-06-02 11:23Z
- self-cancels
- 2015-06-02 11:23Z
- authority
- USGS NEIC
- sea
- Philippine Sea
- position
- 27.839, 140.493
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
BONIN ISLANDS, JAPAN REGION. 1. EARTHQUAKE MAGNITUDE 7.8 (MWW) IN 27.839N 140.493E, DEPTH 664 KM AT 301123Z MAY 15. 2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES. 3. USGS EVENT US20002KI3. https://earthquake.usgs.gov/earthquakes/eventpage/us20002ki3
This area · earthquake & tsunami bulletins
95 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now
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- Earthquake magnitude 5.6 (mww) in 27.223N 140.058E, depth 445 km at 131652Z may 252025-05-13
- Earthquake magnitude 5.8 (mww) in 30.502N 141.852E, depth 7 km at 262102Z dec 242024-12-26
- Earthquake magnitude 6.2 (mww) in 26.896N 138.829E, depth 546 km at 072001Z jul 242024-07-07
- Earthquake magnitude 6.5 (mww) in 27.821N 139.619E, depth 496 km at 270835Z apr 242024-04-27
- An earthquake with a preliminary magnitude of 5.0 occurred in the izu islands japan region in vicinity…2023-10-09
- Earthquake magnitude 5.5 (mww) in 30.106N 139.991E, depth 10 km at 060549Z oct 232023-10-06
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Timeline · 4 messages since 2015-05-30 · closed 2015-06-26
- Earthquake magnitude 7.8 (mww) in 27.839N 140.493E, depth 664 km at 301123Z may 15 this message2015-05-30 → 2015-06-02
- Earthquake magnitude 6.5 (mww) in 27.738N 139.725E, depth 460 km at 231218Z jun 152015-06-23 → 2015-06-26
- Earthquake magnitude 5.5 (mb) in 27.707N 139.774E, depth 462 km at 231219Z jun 152015-06-23 → 2015-06-26
- Earthquake magnitude 5.6 (mb) in 27.648N 140.069E, depth 471 km at 231222Z jun 152015-06-23 → 2015-06-26
joined by proximity
Nearby now · within 120 nm
- 180500UTC issued at 180500UTC dec 2020 volcanic warning volcano name:nishino shima LOCATION:27-14.6N…Volcanic · 41.2 nm
- Discoloured water observed in extending south for 5 miles, 2 mile wide, from 27-16.7N 140-56.6E at 120643Z octVolcanic · 41.3 nm
- Discoloured water observedVolcanic · 43.2 nm
- Chichi shima, futami ko NR.3 light buoy, 27-04.9N 142-11.2E, L.LNav aids · 101 nm
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