Volcanic warning for Nishino Shima at 27-14.6N 140-52.7E, eruption influence expected within 0.9 mile, canceling warnings 0037 and 0316/20.
Philippine Sea · NAVAREA XI 488/20
What this record establishes
Cancelled notice · 2026-09-08 02:00Z
A later message explicitly cancels this notice. Cancellation ends the notice; the later message must be checked for any statement about recovery or continuing danger.
- Source and dates
- Japan Coast Guard JHOD NAVAREA XI · Japan Coast Guard (JHOD). Issued 2020-12-18 12:00Z. First collected 2026-08-17 13:42Z; last seen in collection 2026-08-17 14:24Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Philippine Sea. The parsed report position is 27.243, 140.878 with a 0.9 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- 080200UTC issued at 080200UTC sep 2026 volcanic warning volcano name:nishino shima LOCATION:27-14.6N…later cancellation notice
These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- HYDROPAC 3739/202020-12-18 · Archived notice
- NAVAREA XI 488/20 · this notice2020-12-18 · Cancelled notice
- NAVAREA XI 325/212021-10-12 · Listed in force
- HYDROPAC 2908/212021-10-12 · Archived notice
- HYDROPAC 2909/212021-10-12 · Archived notice
- NAVAREA XI 326/212021-10-13 · Listed in force
Current notices and reporting history in the Philippine Sea →
- issued
- 2020-12-18 12:00Z
- status
- Cancelled notice
- authority
- Japan Coast Guard (JHOD)
- NAVAREA
- NAVAREA XI
- issued by
- JAPAN COAST GUARD
- sea
- Philippine Sea
- position
- 27.243, 140.878 · r 0.9 nm
- nearest port
- Shimizu · 482 nm
- source
- Japan Coast Guard JHOD NAVAREA XI · first seen 2026-08-17 13:42Z
Original warning text
180500UTC ISSUED AT 180500UTC DEC 2020 VOLCANIC WARNING VOLCANO NAME:NISHINO SHIMA LOCATION:27-14.6N 140-52.7E INFLUENCE OF ERUPTION IS EXPECTED WARNING WITHIN A RADIUS OF 0.9 MILE. CANCEL 0037, 0316/20.
Reading this warning
- Volcanic activity
- An erupting or restless volcano near or under the sea, with a keep-clear radius around it.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- Within a radius of
- A circular area — every position within a stated distance of a point.
Nearest volcano
Doyō Seamount · 48 km
Collected reports in this area · volcanic activity
51 within 180 nm since 1996 · 2 in the last 12 months · 6 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Volcanic activity reported in area within one mile of 27-14.60N 140-52.70E at 080200Z sep2026-09-08
- 080200UTC issued at 080200UTC sep 2026 volcanic warning volcano name:nishino shima LOCATION:27-14.6N…2026-09-08
- Volcanic activity reported at io-to in vicinty of 24-45.00N 141-17.3E2025-09-02
- Volcanic activity reported in area within 400 meters of 24-45.44N 141-19.60E2024-10-23
- Volcanic activity reported in area within 400 meters of 24-45.44N 141-19.60E at 100428Z nov2023-11-10
- Discolored water reported in vicinity 25-27.10N 141-14.50E at 140425Z jun2023-06-14
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
- 080200UTC issued at 080200UTC sep 2026 volcanic warning volcano name:nishino shima LOCATION:27-14.6N…Volcanic · 0 nm
- Discoloured water observedVolcanic · 2.5 nm
- Discoloured water observed in extending south for 5 miles, 2 mile wide, from 27-16.7N 140-56.6E at 120643Z octVolcanic · 4.1 nm
- Chichi shima, futami ko NR.3 light buoy, 27-04.9N 142-11.2E, L.LNav aids · 70.6 nm
- Discoloured water observed in vicinity of 25-27.1N 141-14.5E at 140425Z junVolcanic · 109.3 nm
Worldwide in the collected sources
12 volcanic activity listed in force · see all
Record snapshot 2026-10-01 14:14Z; source collection times vary.
Volcanic
Submarine eruptions, discoloured water, pumice rafts. All current volcanic activity →
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.