Real-time coverage of earthquake event — 5 km WNW of Nena, Philippines — Pandita Data.
🌍 OPEN LIVE 3D EARTHQUAKE MAPA magnitude 6.0 earthquake struck 5 km west-northwest of Nena in Mindanao, Philippines, on May 4, 2026, at 06:09 UTC. The rupture occurred at 73.3 km depth—classified as intermediate-focus—limiting tsunami risk and reducing ground shaking intensity compared to shallow events. The Philippine Institute of Volcanology and Seismology (PHIVOLCS) recorded the event, with 42 felt reports across the region. The USGS issued a GREEN PAGER alert, indicating minimal casualties and economic loss expected. No tsunami warning was issued.
Mindanao sits on one of Earth's most active seismic zones, where the Philippine Mobile Belt accommodates collision between the Philippine Plate and the Eurasian Plate to the west, and subduction of the Philippine Sea Plate to the east. The Cotabato Trench and associated Sulu–Mindanao subduction system generate frequent intermediate and deep-focus earthquakes as oceanic lithosphere descends beneath the island. This magnitude 6.0 event represents typical subduction zone seismicity—powerful enough to be felt widely, but positioned at depth where energy dissipates before reaching the surface with maximum intensity.
This magnitude 6.0 earthquake released approximately 1.0 × 1018 joules of energy—equivalent to 250 kilotons of TNT. At 73.3 km depth, the rupture initiated within the Philippine Sea Plate's subducting slab, where rising temperature and pressure trigger brittle failure in otherwise ductile rock. Intermediate-focus earthquakes generate complex wave patterns: P-waves (primary, fastest) and S-waves (secondary, slower) propagated outward, with S-waves causing the shaking sensation felt across Mindanao.
Shallow quakes (<70 km): Energy reaches the surface with minimal attenuation; ground shaking is intense and localized. Intermediate-focus quakes (70–300 km): Seismic waves travel farther but lose energy; shaking is felt over a wider area but with reduced amplitude. At 73.3 km, this event benefited from its depth—felt across Mindanao but unlikely to cause structural damage in well-built infrastructure. No tsunami: Intermediate-depth ruptures do not displace seafloor significantly enough to generate tsunamis.
Mindanao's population of ~27 million faces ongoing seismic risk. Major cities—Davao, Cagayan de Oro, and Butuan—are within 200 km of active subduction zones. Historical earthquakes, including the devastating 2012 M7.6 Mindanao event, have caused significant casualties and infrastructure damage. This magnitude 6.0 event, though powerful, occurred at intermediate depth and generated minimal impact due to distance and depth attenuation. Building codes in newer structures in Davao and other urban centers provide moderate earthquake resistance, though older rural settlements remain vulnerable.
Monitor Pandita Data's real-time 3D earthquake simulation to visualize subduction zone mechanics, rupture propagation, and how intermediate-depth earthquakes differ from shallow and deep-focus events. Understanding the science behind Mindanao's seismicity strengthens community resilience.
FAQ::[ { "q": "What caused this earthquake?", "a": "The Philippine Sea Plate subducting beneath Mindanao at the Cotabato Trench ruptured at 73.3 km depth, releasing stress accumulated along the plate boundary." }, { "q": "Is a tsunami risk associated with this event?", "a": "No. Intermediate-focus ruptures at 73.3 km depth do not displace seafloor sufficiently to generate tsunamis. No warning was issued." }, { "q": "What should people near Nena and Mindanao do right now?", "a": "Check for damage, inspect gas lines for leaks, stay alert for aftershocks, and avoid damaged buildings. Move to open areas