TEST TEST TEST TEST TEST IOWave-Oct-2025  TEST TEST TEST TEST TEST TEST TEST
TEST TEST TEST TEST TEST IOWave-Oct-2025  TEST TEST TEST TEST TEST TEST TEST
TSP-InaTEWS-20251025-1900-005
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PUBLIC TSUNAMI BULLETIN NUMBER 5 
IOTWMS TSUNAMI SERVICE PROVIDER INDONESIA (InaTEWS-BMKG)
issued at 1900 UTC, Oct 25, 2025
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... 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. TSUNAMI SOURCE INFORMATION
IOTWMS-TSP INDONESIA has detected a volcanic eruption with the
following details:

Date            : 25 Oct 2025
Origin Time     : 1400 UTC
Latitude        : 12.92S
Longitude       : 45.72E
Location        : FANI MAORE VOLCANO

2. EVALUATION
Sea level observations have confirmed that a TSUNAMI WAS GENERATED and
there MAY BE A THREAT TO SOME INDIAN OCEAN COUNTRIES.

Maximum wave amplitudes observed so far:

LOCATION      COUNTRIES      LAT     LON     TIME(UTC)  DATE          AMPL(m)
-----------------------------------------------------------------------------
Dzaoudzi      COMOROS        12.80S  45.25E  1404z      25 Oct 2025     3.66m
Comoros       COMOROS        11.42S  43.41E  1407z      25 Oct 2025     4.19m
Mombasa       KENYA           4.02S  39.74E  1444z      25 Oct 2025     2.84m
Aden          YEMEN          12.74N  45.07E  1539z      25 Oct 2025     1.33m
Diego Garcia  UNITED KINGDOM  7.33S  72.41E  1617z      25 Oct 2025     0.87m
Pemba         MOZAMBIQUE     12.95S  40.62E  1744z      25 Oct 2025     2.44m
Minicoy	      INDIA	      8.28N  73.02E  1841z      25 Oct 2025	0.98m
Hanimaadhoo   MALDIVES	      6.75N  73.20E  1857z      25 Oct 2025	2.43m
-----------------------------------------------------------------------------

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):
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Pacific Tsunami Warning Centre (PTWC)
http://ptwc.weather.gov/

END OF BULLETIN
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TEST TEST TEST TEST TEST IOWave-Oct-2025  TEST TEST TEST TEST TEST TEST TEST
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