An earthquake of 7.7 magnitude struck eastern Indonesia on Saturday, killing at least 47 people and flattening dozens of homes, according to the National Disaster Management Agency. The disaster prompted temporary tsunami warnings and triggered widespread landslides that severed key regional transport routes.
Casualty and Damage Toll Across Flores Island
The earthquake struck Indonesia’s Flores region at 5:58 a.m. local time on August 15, 2026, according to the U.S. Geological Survey. Its epicenter was located 42 miles north-northwest of the city of Ende in East Nusa Tenggara province. Suharyanto, head of the National Disaster Management Agency, stated that search and rescue teams recovered at least 47 bodies, primarily across Sikka, Manggarai, and East Manggarai regencies. At least 50 injured residents were transported to hospitals for emergency care.
The destruction forced approximately 2,000 villagers to abandon their homes and seek safety in temporary shelters. Additionally, the earthquake destroyed more than 100 public facilities, including schools, medical centers, and churches across the region.
Infrastructure Disruptions and Rescue Challenges
Severe damage and collapsed buildings hampered local communication lines, slowing the flow of information and complicating rescue operations, according to Police Chief Darmoko. Landslides triggered by the tremor in Ende regency cut off the Trans-Flores highway, a roughly 435-mile paved mountain road spanning Flores Island from Labuan Bajo to Larantuka.
Fathur Rahman, head of the Search and Rescue Office in Maumere, warned that the death toll will almost certainly rise because landslides buried or isolated many remote villages across six regencies on Flores Island. To counter geographic access challenges on the island chain, the National Disaster Management Agency deployed a helicopter to assist with logistics, emergency support, and potential evacuations.
Eyewitness Accounts and Tsunami Warnings
Authorities briefly issued a tsunami warning and urged coastal residents to move to higher ground immediately following the initial tremor. The warning was lifted after Indonesia’s Meteorology, Climatology and Geophysics Agency confirmed that monitoring data showed no significant sea-level changes posing a threat to coastal communities.
Residents experienced severe shaking far from the epicenter. Yulian Juita Ekalia, a 37-year-old university lecturer living in Ruteng city more than 60 miles west of the epicenter, described the violent motion to AFP. “It felt like we were on a trampoline; it was really scary,” she said, noting that household items fell as she rushed outside with her son and neighbors. Following the main shock, the meteorological agency recorded at least 235 aftershocks, with the largest reaching a magnitude of 6.2. Later on Saturday, a second, 6.4-magnitude earthquake struck the country’s western Sumatra island, according to the U.S. Geological Survey.
Did you know? Indonesia sits atop the Pacific Basin’s “Ring of Fire,” an arc of volcanoes and fault lines that makes the archipelago of more than 17,000 islands highly prone to frequent seismic and volcanic activity. Major historical events include a 1992 tsunami on Flores that killed about 2,500 people, and a 2018 magnitude 7.5 quake that killed more than 4,400.
Frequently Asked Questions
What was the magnitude of the earthquake in eastern Indonesia?
The primary earthquake that struck eastern Indonesia on August 15, 2026, registered a magnitude of 7.7, according to the U.S. Geological Survey.
Where was the epicenter located?
The epicenter was located 42 miles north-northwest of the city of Ende in East Nusa Tenggara province, hitting the Flores region at 5:58 a.m. local time.
Were tsunami warnings issued?
Authorities initially issued a tsunami warning for coastal residents, but lifted it after Indonesia’s Meteorology, Climatology and Geophysics Agency reported no significant sea-level changes.
How many aftershocks followed the main quake?
The earthquake was followed by at least 235 aftershocks, with the largest measuring magnitude 6.2.
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