Update: Seismic activity on July 17 – 5.7 magnitude earthquake close to Tambolaka, Indonesia registered

Published Jul 17, 2025

The U.S. Geological Survey reported that a 5.7 magnitude quake hit close to Tambolaka Thursday afternoon.

The tremor, which shook the area at 09:04 UTC (17:04 local time), was centered roughly 78 km south of Tambolaka. It occurred at a depth of 10 km.

Did you feel it?

If you felt the earthquake, you can submit a report via the USGS Felt Report form.

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Impact and estimated losses

Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage. Recent earthquakes in this area have caused secondary hazards such as landslides that might have contributed to losses.

Structure information summary
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.

Historical information
A magnitude 7.7 earthquake 309 km northeast of this event struck UK on December 12, 1992 (UTC), with estimated population exposures of 429,000 at intensity VII and 13,000 at intensity VIII, resulting in a reported 2,519 fatalities.

Source: The U.S. Geological Survey