Magnitude 5.8 Earthquake Depth 130 km Strikes Seram, Indonesia on 20th November 2025

Seram is traversed by a central mountain range, the highest point of which, Mount Binaiya, is covered with dense rain forests. Its remarkably complex geology is because of its location at the meeting of several tectonic microplates, which have been described as “one of the most tectonically complex areas on Earth”. Seram falls on its microplate, which has been twisted around by 80° in the last 8 million years by the relatively faster movement of the Papua microplate. Meanwhile, along with the northward push of the Australian Plate, this has resulted in the uplift that gives north-central Seram peaks of over 3000 m. On the island, there are important karst areas. In the mountains, near Sawai, there is the cave Hatu Saka, currently the deepest cave in Indonesia (-388 m). In Taniwel district, on the north coast, is the underground river Sapalewa, one of the largest underground rivers on the planet.


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