MANILA, Philippines (AP) — A strong earthquake shook the northern Philippines on Wednesday, causing some damage and forcing people to flee buildings in the capital. Authorities said no casualties were immediately reported.
The 7.3-magnitude quake was centered in the mountainous Abra province and was followed by several aftershocks, the Philippine Institute of Volcanology and Seismology said.
The quake was triggered by movement on a local fault at a depth of 25 kilometers (15 miles), the institute said, adding that damage and more aftershocks were expected.
Authorities said the strong tremor caused cracks in buildings and houses.
The US Geological Survey measured the strength of the quake at 7.0 and the depth at 10 kilometers (6 miles). Shallower earthquakes tend to cause more damage.
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The Philippines sits along the Pacific “Ring of Fire,” an arc of fault lines around the Pacific Ocean where most of the world’s earthquakes occur. It is also hit by about 20 typhoons and tropical storms each year, making it one of the most disaster-prone countries in the world.
A magnitude 7.7 earthquake killed nearly 2,000 people in the northern Philippines in 1990.
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