Philippines Earthquake Raises Seabed, Harming Marine Life
Hızlı Bakış
- An earthquake in the Philippines has caused coastal uplift, raising the seabed by up to two meters and exposing marine life.
- The phenomenon, reported by locals, has extended shorelines and affected areas near the Cotabato Trench.
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A powerful earthquake in the Philippines killed at least 61 people and caused coastal uplift, exposing the seabed and harming marine life. The phenomenon raised the seabed by up to two meters.
A powerful earthquake that killed at least 61 people in the Philippines this week raised the seabed by as much as two metres (6.6 feet), exposing coral and harming marine life, the environment department said on Sunday.
Local residents first reported the geological phenomenon known as “coastal uplift” two days after the quake, which extended the shoreline by as much as 200 metres in some places, the environment department said.
A shifting of the Cotabato Trench “pushed upward part of the coastlines of Sarangani and Davao Occidental [provinces] … exposing the bottom of the sea that was originally submerged”, the Philippine Institute of Volcanology and Seismology said in a statement.
“Approximately [two metres] was the mapped uplift.”
The Cotabato Trench, which lies as close as 50 kilometres (31 miles) off the coast of southern Mindanao, is the site of frequent seismic activity, including a “swarm” of thousands of mostly small earthquakes recorded in January.
Açık Sorular
- Long-term impact on marine ecosystems?
- Potential for future uplift events?
