An earthquake of magnitude 7.7 struck the coast of Indonesia’s Flores island on August 15, 2026, leaving at least 38 people dead and thousands evacuated, according to reports from AFP and regional authorities. The disaster prompted a temporary tsunami warning from Indonesia’s meteorological agency, while local officials reported severe structural damage and widespread power outages complicating rescue efforts in East Nusa Tenggara province.
Casualties and Evacuations Across Flores Island
The disaster death toll climbed to 38 victims, according to Suharyanto, head of the office for disaster management, during a press conference reported by AFP and Ceskenoviny.cz. This figure marked an upward revision from an earlier count of 20 dead. Suharyanto stated that 11 people sustained injuries in the shaking. Furthermore, roughly 2,000 residents left the affected zone of their own accord. Thousands more coastal inhabitants faced evacuation orders as emergency services mobilized across the region.
Geological Data and Aftershocks Recorded by USGS
The United States Geological Survey (USGS) located the earthquake’s hypocenter at a shallow depth of 10 kilometers. The epicenter sat roughly 68 kilometers northwest of the city of Ende within the East Nusa Tenggara province. Two distinct tremors followed the initial main shock. Later on the same day, a separate 6.9-magnitude earthquake struck near the city of Pematangsiantar in North Sumatra province, though local authorities reported no immediate casualties or structural damage from those subsequent shakes, according to USGS tracking noted by Ceskenoviny.cz.
Did you know? Indonesia frequently experiences seismic activity and volcanic eruptions because the archipelago sits across multiple active tectonic plate faults, according to regional reporting.
Infrastructure Damage and Rescue Operations
Severe structural failures hit the region, with multiple buildings collapsing under the force of the seismic waves. Power outages crippled communication networks, heavily obstructing information flow and slowing down search and rescue teams on the ground. Rudi Darmoko, police chief from East Nusa Tenggara province, confirmed to the Associated Press that the lack of electricity remains a primary hurdle for emergency responders trying to reach isolated pockets of the disaster zone.
Tsunami Warning and Status of Foreign Nationals
Indonesia’s meteorological agency initially broadcast a tsunami warning, directing residents away from ocean beaches and riverbanks. Officials subsequently lifted the alert after monitoring data showed no significant sea level fluctuations that could threaten coastal villages. Meanwhile, the Czech Ministry of Foreign Affairs reported no impacts on Czech travelers. Adam Čörgő, spokesperson for the Czech diplomacy office, told ČTK that the ministry’s emergency line received no requests for consular assistance, while 305 Czech citizens remain registered in the DROZD travel database within Indonesia.
Frequently Asked Questions
What was the magnitude of the earthquake in Indonesia?
The primary earthquake measured 7.7 on the Richter scale, according to data from the USGS and AFP.
Where was the epicenter located?
The epicenter was situated approximately 68 kilometers northwest of the city of Ende in East Nusa Tenggara province, at a depth of 10 kilometers.
Were any tsunami warnings issued?
Yes, the Indonesian meteorological agency issued a temporary tsunami warning and urged residents to avoid coastal areas before canceling it once monitoring showed no dangerous sea level changes.
How many casualties were reported?
Disaster management agency head Suharyanto confirmed at least 38 fatalities and 11 injuries resulting from the disaster.
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