A powerful earthquake has struck Taiwan. Here's what we know
Taiwan was struck by its strongest earthquake in 25 years on Wednesday when a 7.4 magnitude tremor struck the island's eastern coast, collapsing buildings, killing at least four people and prompting tsunami warnings across the region.
Boakyewaa Lawrencia 
Here's what you need to know:
The quake: The earthquake hit at 7:58 a.m. local time, 18 kilometers (11 miles) south of the city of Hualien at a depth of 34.8 kilometers, according to the US Geological Survey.
Casualties: At least four people have died, including one who was hiking in Hualien County when the quake hit, according to Taiwan's National Fire Agency. At least 57 people have been injured.
Damage: Dozens of buildings in Hualien County have collapsed, trapping several people. The county was also hit by landslides and rockfalls, leading to the closure of a major coastal highway where multiple tunnels were damaged.
Tsunami warnings: The quake triggered tsunami warnings in Taiwan, southern Japan and the Philippines, with waves less than half a meter (about 1.5 feet) observed along some coasts. All tsunami warnings were later lifted.
Flights suspended: The tsunami warnings also prompted airlines and airports to suspend flights, which were later resumed.
Power cuts: More than 91,000 households were without electricity, according to Taiwan's Central Emergency Command Center.
Aftershocks: The quake was followed by several strong aftershocks, with tremors felt across the island, including in Taipei. Tremors as high as magnitude 7 are expected in the following days.
Source: CNN
