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Shallow earthquakes are generally more dangerous than deep earthquakes. This is because the seismic waves from shallow earthquakes have a shorter distance to travel to the surface, resulting in stronger ground shaking and potentially more damage to structures and greater casualties.
Another earthquake of magnitude 3.1 struck Myanmar earlier in the day at a depth of 80km.
Myanmar is vulnerable to hazards from moderate and large magnitude earthquakes and tsunamis along its long coastline. Myanmar is wedged between four tectonic plates (the Indian, Eurasian, Sunda, and Burma plates) that interact in active geological processes.
A 1400-kilometre transform fault runs through Myanmar and connects the Andaman spreading centre to a collision zone in the north called the Sagaing Fault.
The Sagaing Fault increases the seismic hazard for Sagaing, Mandalay, Bago, and Yangon, which together represent 46 per cent of Myanmar's population.
Although Yangon is relatively far from the fault trace, it still suffers from significant risk due to its dense population. For instance, in 1903, a magnitude 7.0 earthquake in Bago also struck Yangon.
Mount Ibu in North Maluku erupted again on Wednesday (February 25, 2026) at 06:25 WIT. In the past week, Mount Ibu has erupted 16 times.
Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column height reached 600 meters above the peak (1,925 meters above sea level).
The ash column was observed to be gray with thick intensity towards the south. The eruption was recorded on the seismograph with a maximum amplitude of 28 millimeters and a duration of 65 seconds.
According to the MAGMA Indonesia volcano activity report, Mount Ibu's activity level is at Level II (Warning). Earthquake observations on February 25, 2026, from 00:00-23:59 WIT showed 110 eruption/explosion earthquakes with amplitudes of 12-28 millimeters and durations of 39-68 seconds.
Then, 3 emission earthquakes with amplitudes of 3-7 millimeters and durations of 37-40 seconds, as well as 7 harmonic earthquakes with amplitudes of 8-18 millimeters and durations of 37-40 seconds.
PVMBG advises residents around Mount Ibu and visitors/tourists not to carry out activities within a 2-kilometer radius and a sectoral extension of 3.5 kilometers towards the crater opening in the northern part of Mount Ibu's active crater.
Throughout 2026, MAGMA Indonesia has recorded 762 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (399 times) while Mount Ibu erupted 317 times.