The earthquake's epicenter lay inland on Seram Island, roughly 10 kilometers from the town of Kairatu. Indonesia's Meteorology, Climatology, and Geophysical Agency - known as BMKG - initially measured the magnitude at 6.8 before revising it downward. The mechanism was a strike-slip fault, the kind where tectonic plates grind horizontally past each other rather than diving underneath. BMKG quickly confirmed there was no tsunami risk, but the message did not reach everyone in time. In the scramble to reach high ground, a woman was killed when she fell from her motorcycle. Road accidents multiplied in the chaos. Police arrested a man for shouting 'tsunami' in a crowd of evacuees, amplifying the panic. Less than an hour after the mainshock, a magnitude 5.6 aftershock struck, and the aftershocks would not stop - by October 6, more than 1,100 had been recorded.

Ambon's Merah Putih Bridge, then the longest bridge in eastern Indonesia, developed cracks in its expansion joint. At Pattimura University, the oldest in the city, walls fractured and ceilings caved in. The State Islamic University lost walls entirely; a lecturer and a student died under fallen debris. In Tulehu, a floating market collapsed into the sea. The main hospital in Central Maluku Regency, dr. H. Ishak Umarella Regional Hospital, was so badly damaged that doctors set up emergency tents outside and treated patients in the open air. Soil liquefaction turned the ground itself into an enemy - in one Ambon village, mud and coral erupted from the earth in sand boils. Landslides buried an elementary school, killing a child. A mine collapsed, killing eight miners. By early October, more than 6,700 structures across the region had been damaged or destroyed, including at least 172 schools.

The death toll climbed in increments that traced the slow reach of rescue teams across a mountainous island archipelago. Twenty-three confirmed dead by the evening of September 27. Thirty by September 29. Thirty-six by October 2. The final count, announced on October 18, stood at 41 people killed and 1,578 injured. Behind these numbers lay a displacement crisis: more than 150,000 people evacuated their homes, setting up makeshift camps in open fields and parking lots, afraid to return to buildings that might collapse in the next aftershock. On October 11, a magnitude 5.2 tremor justified their fears, collapsing a high school and killing a student. The aftershock forced shops to close and triggered fresh evacuations across the city.

President Joko Widodo pledged government-covered medical fees and dispatched 2,000 emergency packages. The National Board for Disaster Management released roughly 70,000 US dollars in immediate funds - a modest sum for a disaster of this scale. The provincial government declared a state of emergency for 14 days, then extended it indefinitely as the aftershocks continued. But aid distribution faltered. Evacuees in remote villages complained they had received nothing. The government acknowledged that relief was hampered by the inaccessibility of some communities, a problem endemic to the scattered geography of the Maluku Islands. There were shortages of blankets, tarps, and tents. The Moluccan diaspora in the Netherlands rallied support from Waalwijk, where the city council voted to send aid to their ancestral homeland.

When Widodo visited Maluku on October 29, nine days after his second inauguration, he promised compensation: 50 million rupiah for heavily damaged homes, 25 million for moderate damage, 10 million for slight. Approximately 3,000 new houses would be built across 11 cities and regencies. But the earthquake also prompted a reckoning with the region's seismic vulnerability. BMKG described the frequency and intensity of the aftershock sequence as 'unusual,' and the government commissioned a joint study with the Bandung Institute of Technology to map the fault mechanisms beneath the Maluku region. Eleven new seismographs were installed. The study's most tangible outcome was a proposal for earthquake-resistant structural designs for schools and universities - an acknowledgment that in one of the most seismically active regions on Earth, the question is never whether the ground will shake again, but when.