Magnitude
Origin Time	: 2025-09-25 01:00:00 UTC
Location	: 6.94S - 104.7E (Sunda Strait, Indonesia (Test IOWave-Sep-2025))
Depth	: 10 Km
Bulletin	: 6 3.4 (CONFIRMED THREAT BULLETIN)

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TSP-InaTEWS-20250925-0400-006
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PUBLIC TSUNAMI BULLETIN NUMBER 6 
IOTWMS TSUNAMI SERVICE PROVIDER INDONESIA (InaTEWS-BMKG)
issued at 0400 UTC, Sep 25, 2025
--------------------------------------------------------------------------------

... CONFIRMED TSUNAMI THREAT IN THE INDIAN OCEAN ...

This bulletin applies to areas within and bordering the Indian Ocean.
It is issued in support of the UNESCO/IOC Indian Ocean Tsunami
Warning and Mitigation System (IOTWMS).

1. EARTHQUAKE INFORMATION
IOTWMS-TSP INDONESIA has detected an earthquake with the following details:

Magnitude  : 9.0 Mwp
Depth      : 10km
Date       : 25 Sep 2025
Origin Time: 01:00:00 UTC
Latitude   : 6.94S
Longitude  : 104.70E
Location   : Sunda Strait, Indonesia

2. EVALUATION
Sea level observations have confirmed that a TSUNAMI WAS GENERATED.
Maximum wave amplitudes observed so far:

LOCATION            COUNTRIES     LAT    LON      TIME(UTC) DATE AMPL(m) 
------------------------------------------------------------------------------
Enggano             INDONESIA      5.35S 102.28E 0100z UTC 25 Sep 2025  9.1m
Christmas Island    AUSTRALIA     10.43S 105.67E 0114z UTC 25 Sep 2025  8.3m
Tanjung Lesung      INDONESIA      6.48S 105.66E 0143z UTC 25 Sep 2025  9.8m
Pangandaran         INDONESIA      7.75S 108.50E 0144z UTC 25 Sep 2025  7.4m
Cilacap             INDONESIA      7.75S 109.00E 0149z UTC 25 Sep 2025  6.1m
Sebesi Island       INDONESIA      5.94S 105.51E 0154z UTC 25 Sep 2025 10.5m
Marina Jambu        INDONESIA      6.19S 105.84E 0155z UTC 25 Sep 2025  8.2m
Pangandaran         INDONESIA      7.69S 108.67E 0156z UTC 25 Sep 2025  7.3m
Sadeng              INDONESIA      8.19S 110.80E 0157z UTC 25 Sep 2025  4.4m
Pacitan             INDONESIA      8.27S 111.37E 0206z UTC 25 Sep 2025  3.9m
Cocos Island        AUSTRALIA     12.12S  96.89E 0207z UTC 25 Sep 2025  4.4m
Seblat              INDONESIA      3.22S 101.60E 0210z UTC 25 Sep 2025  7.0m
Prigi               INDONESIA      8.28S 111.73E 0210z UTC 25 Sep 2025  6.9m
Popoh, Tulung Agung INDONESIA      8.26S 111.80E 0212z UTC 25 Sep 2025  7.6m
Tanahbala           INDONESIA      0.53S  98.50E 0221z UTC 25 Sep 2025  1.4m
Telukdalam          INDONESIA      0.55N  97.82E 0228z UTC 25 Sep 2025  1.5m
Benoa               INDONESIA      8.77S 115.22E 0238z UTC 25 Sep 2025  3.2m
Padang              INDONESIA      0.95S 100.37E 0252z UTC 25 Sep 2025  2.5m
Bungus Port         INDONESIA      1.03S 100.40E 0253z UTC 25 Sep 2025  5.7m
Lembar              INDONESIA      8.73S 116.07E 0259z UTC 25 Sep 2025  1.6m
Muncar Banyuwangi   INDONESIA      8.44S 114.35E 0302z UTC 25 Sep 2025  2.1m
Waikelo             INDONESIA      9.39S 119.22E 0305z UTC 25 Sep 2025  1.6m
Meulaboh            INDONESIA      4.13N  96.13E 0342z UTC 25 Sep 2025  0.5m
Rote                INDONESIA     10.71S 123.06E 0346z UTC 25 Sep 2025  1.0m
Sabang              INDONESIA      5.83N  95.33E 0349z UTC 25 Sep 2025  0.2m
PtMurat             AUSTRALIA     21.82S 114.19E 0349z UTC 25 Sep 2025  4.3m
------------------------------------------------------------------------------

3. ADVICE
This bulletin is being issued as advice. Only national/state/local
authorities and disaster management officers have the authority to
make decisions regarding the official threat and warning status in
their coastal areas and any action to be taken in response.

For more detailed information, please refer to the tsunami advisory
bulletins issued by the National Tsunami Warning Centres (NTWCs) of
IOTWMS member states. The tsunami warning status reported by NTWCs for
their countries can be found at:   
http://www.incois.gov.in/Incois/tsunami/NTWCFeedbackStatus.jsp

4. UPDATES
Additional bulletins will be issued by IOTWMS-TSP INDONESIA for this event as
more information becomes available.

Other IOTWMS-TSPs may issue additional information at:
IOTWS-TSP AUSTRALIA:  http://www.bom.gov.au/tsunami/iotws/
IOTWS-TSP INDIA    :  http://www.incois.gov.in/Incois/tsunami/eqevents.jsp

5. CONTACT INFORMATION
IOTWMS-TSP INDONESIA:
THE AGENCY FOR METEOROLOGY CLIMATOLOGY AND GEOPHYSICS (BMKG)
InaTEWS - Indonesian Tsunami Early Warning System
Address: Jl. Angkasa I no.2 Kemayoran, Jakarta, Indonesia, 10720
Tel.: +62 (21) 4246321/6546316
Fax: +62 (21) 6546316/4246703
P.O. Box 3540 Jakarta
Website:  https://www.bmkg.go.id
          https://inatews.bmkg.go.id
E-Mail:   inartsp@bmkg.go.id
          monitrtwp@bmkg.go.id

6. TSUNAMI WARNING SYSTEMS OUTSIDE THE INDIAN OCEAN
Pacific Tsunami Warning and Mitigation System (PTWS):
----------------------------------------------------
Pacific Tsunami Warning Centre (PTWC)
http://ptwc.weather.gov/

North West Pacific Tsunami Advisory Centre (NWPTAC)
http://www.jma.go.jp/en/tsunami/

US National Tsunami Warning Centre (US NTWC)
http://wcatwc.arh.noaa.gov/

Joint Australian Tsunami Warning Centre (JATWC)
http://www.bom.gov.au/tsunami/


Northeast Atlantic, Mediterranean and Connected Seas (NEAMTWS):
--------------------------------------------------------------
French National Tsunami Warning Centre (CENALT)
http://www.info-tsunami.fr

Institute of Geodynamics, National Observatory of Athens
http://www.gein.noa.gr/en/

Kandilli Observatory and Earthquake Research Institute, Turkey
http://www.koeri.boun.edu.tr/2/en/


Caribbean and Adjacent Regions (CARIBE EWS):
-------------------------------------------
Pacific Tsunami Warning Centre (PTWC)
http://ptwc.weather.gov/

END OF BULLETIN
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