The Philippine Institute of Volcanology and Seismology, PHIVOLCS, classified the quake as a thrust fault event with a maximum intensity of VII, or Destructive, on the Philippine earthquake intensity scale. In Dumaguete, buildings swayed violently. The tremor reached as far as Mindanao, felt in the provinces of Misamis and Lanao and the city of Iligan. PHIVOLCS initially described the earthquake as having been caused by movement on a previously undiscovered fault. But an Environmental Sciences professor soon contradicted this claim, noting that private geologists hired by the Negros Occidental government had already identified the fault years earlier while creating a land use map for the province. The fault was known. It had simply been overlooked by those responsible for public safety.

PHIVOLCS issued a level two tsunami alert, advising the public to watch for unusual waves but stopping short of ordering evacuations. The caution proved insufficient for the communities directly in the tsunami's path. Waves reported to be as high as five meters slammed into the barangays of Martilo, Pisong, and Magtalisay in La Libertad. Along the eastern seaboard of Negros Oriental, from San Jose to Vallehermoso, and on the western coast of Cebu from Badian to Barili, coastal areas felt the surge. The damage from these waves, while real, was largely overshadowed by what happened in the mountains. Landslides tore through villages in the more rugged terrain of northern Negros Oriental, where steep slopes and loose soil turned the earthquake into something far deadlier than shaking alone. More than 100 people died, most of them buried under earth and debris that swept down mountainsides without warning.

Across the strait in Cebu City, the earthquake had been felt but caused no structural damage. The city sits on the eastern side of Cebu Island, shielded from Negros by the island's mountainous spine. A tsunami originating from the quake's epicenter could not physically reach its shores. None of this mattered when the rumor started. In the coastal barangays of Ermita, Mambaling, and Pasil, word spread that a tsunami had already hit. Some reports claimed the water had reached as far inland as Barangay Lahug. Businesses shuttered. Schools emptied. Office workers abandoned their desks. Thousands of residents fled toward the mountains, streaming more than ten kilometers uphill to Barangay Busay. The source of the panic was eventually traced, anecdotally, to someone calling out a name: Chona Mae. In the chaos following the earthquake, the shouted name morphed into a cry of 'tsunami.' The 2011 Tohoku earthquake and tsunami in Japan, still vivid in public memory less than a year later, had primed the city's residents to expect the worst. Fear did what no wave could.

Power lines across the Visayas snapped. Plants tripped offline or shut down as a precaution, though transmission infrastructure largely survived. For two days, affected areas sat in darkness until crews restored electricity on February 8. But the real isolation was physical. Roads cracked and buckled. Ten bridges became impassable. Damage estimates reached 265.76 million pesos. Remote villages in northern Negros Oriental, already difficult to reach under normal conditions, became cut off entirely. The mountainous geography that made these communities vulnerable to landslides also made rescue operations agonizingly slow. Responders could not reach some of the hardest-hit areas for days, forced to navigate on foot through terrain reshaped by the quake.

The 2012 Negros earthquake exposed failures layered as deep as the fault that caused it. A known geological hazard had gone unheeded. Tsunami warnings proved too vague to be useful and too alarming to be ignored. A city panicked over a name that sounded like a disaster. The event sits in a longer chain of seismic trauma across the central Philippines. The following year, the 2013 Bohol earthquake would strike with even greater force, magnitude 7.2, killing 222 and toppling centuries-old churches. The Visayas occupy one of the most seismically active corridors on Earth, where the Philippine Sea Plate grinds against the Sunda Plate along the Philippine Trench. For communities here, the question has never been whether the ground will move again, but whether anyone will be ready when it does.