Strong M6.0 earthquake hits Bali Sea, Indonesia
A strong and shallow earthquake registered by the USGS as M6.0 hit Bali Sea, Indonesia at 16:49 UTC on September 30, 2025. The agency is reporting a depth of 13.9 km (6 miles). EMSC is reporting M6.0 at a depth of 20 km (12.4 miles).
Epicenter of M6.0 earthquake in Bali Sea, Indonesia on September 30, 2025. Credit: TW/SAM, Google
The epicenter was located 33 km (20 miles) SE of Kalianget (population 23 897), 43 km (26 miles) SE of Sumenep (population 84 656), and 55 km (34 miles) N of Panji (population 42 789), East Java, Indonesia.
178 000 people are estimated to have felt strong shaking, 1 205 000 moderate and 25 250 000 light.
The USGS issued a Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.
Overall, the population in this region resides in structures that are vulnerable to earthquake shaking, though resistant structures exist. The predominant vulnerable building types are unreinforced brick with concrete floor and precast concrete frame with wall construction.
Estimated population exposure to earthquake shaking
Selected cities exposed
Regional seismicity
References:
1 M6.0 earthquake Bali Sea, Indonesia – USGS – September 30, 2025
2 M6.0 earthquake Bali Sea, Indonesia – EMSC – September 30, 2025
I'm a dedicated researcher, journalist, and editor at The Watchers. With over 20 years of experience in the media industry, I specialize in hard science news, focusing on extreme weather, seismic and volcanic activity, space weather, and astronomy, including near-Earth objects and planetary defense strategies. You can reach me at teo /at/ watchers.news.
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