Earthquake with magnitude of 7.6 has occurred in vicinity 07-48S 122-18E at 140320Z dec
Flores Sea · HYDROPAC 3617/21
What this record establishes
Archived notice · 2021-12-14 04:19Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · PTWC 140332Z DEC 21.. Issued 2021-12-14 03:36Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Flores Sea. The parsed report position is -7.800, 122.300. 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
- Cancel HYDROPAC 3617/21 and this msg, tsunami warning cancelledlater cancellation notice
These messages are connected by recorded cancellation references. The links establish relationships between notices; they do not by themselves confirm a single object, a continuous track, or recovery.
- HYDROPAC 3617/21 · this notice2021-12-14 · Archived notice
- HYDROPAC 3621/212021-12-14 · Archived notice
- issued
- 2021-12-14 03:36Z
- status
- Archived notice
- authority
- PTWC 140332Z DEC 21.
- issued by
- PTWC
- sea
- Flores Sea
- position
- -7.800, 122.300
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
FLORES SEA. INDONESIA. DNC 04. EARTHQUAKE WITH MAGNITUDE OF 7.6 HAS OCCURRED IN VICINITY 07-48S 122-18E AT 140320Z DEC. POSSIBLE TSUNAMI HAS BEEN GENERATED WHICH COULD CAUSE DAMAGE TO COASTS AND ISLANDS IN THE PACIFIC AREA. TSUNAMI WAVE HEIGHTS CANNOT BE PREDICTED AND MAY BE A SERIES OF WAVES WHICH COULD BE DANGEROUS FOR SEVERAL HOURS AFTER THE INITIAL WAVE ARRIVAL.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- 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.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
Collected reports in this area · earthquake & tsunami bulletins
87 within 180 nm since 1997 · 16 in the last 12 months · 0 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.
- 35 km nne of ruteng, indonesia2026-09-21
- 44 km nne of ruteng, indonesia2026-08-31
- 68 km nnw of ende, indonesia2026-08-20
- 42 km n of ruteng, indonesia2026-08-20
- 31 km nne of ruteng, indonesia2026-08-19
- 45 km nne of ruteng, indonesia2026-08-19
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
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
3 earthquake & tsunami bulletins listed in force · see all
Record snapshot 2026-10-03 00:06Z; source collection times vary.
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.