By Karim Were
JAKARTA — At least 20 people have been killed after a powerful magnitude 7.7 earthquake struck off Indonesia’s Flores region early Saturday, triggering landslides, collapsing buildings and prompting authorities to temporarily issue a tsunami warning.
The earthquake struck in the early hours of August 15 in the Flores region of East Nusa Tenggara, one of Indonesia’s areas most exposed to seismic activity. The shallow tremor caused widespread panic, damaged infrastructure and disrupted communications in several communities.
Reuters reported that at least 20 people had died, with several others injured. Rescue teams were still working in affected areas as authorities assessed the full extent of the destruction.
The earthquake also generated minor tsunami waves of less than one metre, prompting authorities to issue a warning that was later lifted after the immediate threat subsided.
#Rescue operations underway
The strongest impacts were reported around Maumere, the main town in Sikka Regency on Flores Island. Emergency workers were searching damaged buildings for people who may have been trapped beneath rubble.
Authorities also reported landslides that made access to some areas difficult. Roads and communications infrastructure were affected, complicating rescue and relief operations.
About 2,000 residents were reported to have evacuated from Nagekeo as a precaution, while damaged homes, government buildings and warehouses added to the challenges facing local authorities.
The earthquake was followed by aftershocks, increasing concerns among residents and emergency responders.
Hospitals in some affected areas also took precautionary measures. In Ende, patients were moved outside as officials assessed the safety of medical facilities following the shaking.
The scale of the disaster was still being assessed as emergency agencies continued collecting information from communities that had been affected.
#Tsunami warning lifted
The earthquake initially raised concerns about a possible tsunami because of its location beneath the sea and its shallow depth.
A tsunami warning was subsequently issued for areas considered vulnerable to sea-level changes. Authorities later lifted the warning after monitoring stations detected no major tsunami threat.
Although the tsunami danger diminished, the earthquake itself left communities facing damaged buildings, power disruptions and blocked roads.
The incident illustrates the complex nature of disaster response in Indonesia, where an earthquake can quickly create secondary emergencies such as landslides, infrastructure failures and displacement.
#Indonesia’s seismic vulnerability
Indonesia is located along the Pacific Ring of Fire, an area surrounding the Pacific Ocean that is characterised by intense tectonic activity and frequent earthquakes and volcanic eruptions.
The country has experienced some of the world’s most destructive natural disasters.
Flores itself has a history of major earthquakes. A devastating earthquake in the region in 1992 caused extensive destruction and generated a tsunami, underscoring the vulnerability of coastal communities.
The latest earthquake has therefore revived concerns about the preparedness of communities living in earthquake-prone areas.
For residents, the immediate priority remains finding missing people, treating the injured and determining whether damaged buildings are safe to occupy.
#Damage assessment continues
Officials were still assessing the number of damaged buildings and the extent of infrastructure losses.
Reports indicated that power outages and traffic disruptions had affected parts of the region. Landslides also interfered with transportation routes, including sections of the Trans-Flores highway.
Such disruptions can make it difficult for emergency teams to reach isolated communities, particularly in mountainous areas.
The geographical nature of Flores presents additional challenges. Communities are scattered across rugged terrain, while roads connecting major population centres can be vulnerable to landslides following strong seismic activity.
Emergency agencies therefore face the dual task of responding to immediate casualties while keeping essential transport routes open.
#Residents seek safety
The earthquake caused widespread fear among residents, with many people leaving buildings and moving into open areas following the shaking.
Authorities have urged communities in affected areas to remain alert to aftershocks and to follow instructions from emergency agencies.
The possibility of additional tremors is a particular concern because buildings already weakened by the main earthquake could become more dangerous.
Residents in coastal areas were also forced to respond quickly to the tsunami warning before it was lifted.
Such warnings are an important component of Indonesia’s disaster-management system, particularly given the country’s long coastline and exposure to earthquakes beneath the surrounding seas.
#Broader implications
The earthquake is likely to place additional pressure on local authorities as they work to restore electricity, reopen roads and provide shelter for displaced residents.
The immediate humanitarian needs include medical assistance, temporary accommodation, food, clean water and support for families who have lost homes or relatives.
The disaster could also have economic consequences for communities whose livelihoods depend on agriculture, fishing, tourism and small businesses.
Damage to roads and other infrastructure can interrupt the movement of goods and people, potentially affecting local markets beyond the areas directly hit by the earthquake.
For Indonesia as a whole, the incident is another reminder of the importance of earthquake-resistant construction, public awareness and rapid emergency response.
#A continuing disaster response
As rescue teams continue working, the final death toll and extent of the destruction could change.
Authorities are expected to conduct further assessments once emergency teams gain access to areas affected by landslides and communication disruptions.
The immediate focus remains on saving lives and assisting displaced communities.
The Flores earthquake also highlights a broader challenge facing countries located along active tectonic zones: preparing communities for disasters that can strike with little warning.
For the people of East Nusa Tenggara, the coming days will be dominated by rescue operations, recovery efforts and the difficult task of rebuilding after one of the region’s most powerful recent earthquakes.
Sources:** Reuters and Associated Press reporting on the August 15, 2026 earthquake.
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