ECONOMYNEXT – There was no tsunami threat to the Indian Ocean from a 6.6 magnitude earthquake near Nicobar Islands, a bulletin issued by Indian authorities said, shortly after the first alert that the quake was big enough to generate a wave.
“Based on pre-run model scenarios, there is NO THREAT to countries in the Indian Ocean,” the notice said.
“No further bulletins will be issued unless the situation changes.”
Latest bulletin
PUBLIC TSUNAMI BULLETIN NUMBER 2
IOTWMS TSUNAMI SERVICE PROVIDER INDIA (ITEWC)
issued at 1904 UTC Monday 28 July 2025
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… NO TSUNAMI THREAT IN THE INDIAN OCEAN …
This bulletin applies to areas within and bordering the Indian Ocean
and is issued by Tsunami Service Provider INDIA in support of the
UNESCO/IOC Indian Ocean Tsunami Warning and Mitigation System (IOTWMS).
1. EARTHQUAKE INFORMATION
IOTWMS-TSP INDIA has detected an earthquake with the following
preliminary information:
Magnitude : 6.6 M
Depth : 42 km
Date : 28 Jul 2025
Origin Time: 1841UTC
Latitude : 6.63 N
Longitude : 93.14 E
Location : Nicobar Islands, India Region
2. EVALUATION
Based on pre-run model scenarios, there is NO THREAT to countries in
the Indian Ocean. No further bulletins will be issued unless the
situation changes.
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
Indian Ocean countries. The tsunami warning status reported by NTWCs
For their countries can be found at:
http://www.incois.gov.in/Incois/tsunami/NTWCFeedbackStatus.jsp