Magnitude 6.1 Earthquake Strikes Waters Off Southwest Sumba
Kabarsaji.com – A magnitude 6.1 earthquake struck off Southwest Sumba Regency in East Nusa Tenggara early on Sunday, October 4, 2026, prompting monitoring by disaster authorities while leaving residents in several nearby areas shaken.
The tremor occurred at 05:55 WIB and was centered offshore, close to Kodi in Southwest Sumba. Its location at sea meant communities were urged to stay alert, although authorities said the event did not create a tsunami threat.
“The epicenter was located at sea, 14 km southwest of Kodi, Southwest Sumba, at a depth of 10 km and coordinates 9.70° S – 118.92° E. The earthquake posed no tsunami threat.”
Berton SP Panjaitan, Acting Head of the National Disaster Management Agency’s Center for Disaster Data, Information, and Communication, delivered the statement in Jakarta on Sunday.
Shaking Felt Across Several Regencies
Initial monitoring showed that the earthquake was felt strongly for about one minute in Southwest Sumba Regency. Residents in West Sumba Regency and West Manggarai Regency also experienced the shaking.
Although the tremor was noticeable in multiple locations, the public response remained orderly. Residents who felt the movement did not report widespread panic, and local conditions were described as calm following the quake.
The local Regional Disaster Management Agency, known as BPBD, has continued field monitoring after the incident. At the time of the initial update, there were no reported casualties and no confirmed damage to buildings or other infrastructure.
Authorities Continue Post-Quake Checks
Early information after an earthquake can change as local officials complete inspections, particularly in areas closer to the epicenter. Monitoring work is intended to identify any effects that may not be immediately visible, including potential impacts on homes, public facilities, roads, and coastal communities.
For residents, the absence of initial damage reports is reassuring but does not remove the need for caution. Earthquake effects can differ from one neighborhood to another, depending on distance from the epicenter, local ground conditions, and the condition of individual structures.
The quake’s recorded depth was 10 kilometers, with its epicenter 14 kilometers southwest of Kodi. The coordinates were listed as 9.70 degrees south latitude and 118.92 degrees east longitude. These details help authorities establish where the strongest effects may have been felt and guide continuing assessments.
Southwest Sumba, West Sumba, and West Manggarai are all part of the broader eastern Indonesian region where communities may need to respond quickly when seismic activity occurs. In the immediate aftermath, local disaster agencies play an important role in verifying conditions on the ground and passing reliable updates to residents.
Advice for Residents Following the Tremor
The National Disaster Management Agency has asked people in affected areas to remain calm and to avoid acting on unverified rumors. During rapidly developing events, inaccurate messages can cause unnecessary concern or lead people to make unsafe decisions. Residents are encouraged to use official information channels for updates.
People are also advised to be careful if aftershocks occur. Buildings showing cracks should be avoided until their safety can be assessed. Entering or remaining in visibly damaged structures can create additional risks, especially if a further tremor follows.
Residents near the coast have been told to keep away from shoreline areas for the time being in the event of aftershocks. While this earthquake was not considered a tsunami threat, staying attentive to official instructions remains important after any significant offshore quake.
Families and neighbors can also use the period after shaking stops to check on vulnerable people, including children, older residents, and anyone who may need assistance leaving an unsafe structure. Keeping communication clear and following directions from local authorities can help prevent confusion during continuing inspections.
Authorities have not announced any casualties or material losses from the Southwest Sumba earthquake so far. Field monitoring remains underway, and further information may be released as local teams complete their assessment of the affected regencies.
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