A powerful earthquake with a magnitude of 7.5 struck off Papua New Guinea late Saturday, the US Geological Survey said.
Typhoon Krosa hits northern Philippines
The typhoon, packing maximum winds of 160 kilometres (100 miles) per hour, struck the coastal province of Cagayan, about 430 kilometres north of Manila on Thursday afternoon, the government weather station said.
The families who were moved were evacuated as a precautionary measure, said the area's civil defence director, Norma Talosig.
"The strength of the storm is enough to destroy houses made of light materials. For people who don't take precautions, it can be deadly," she warned.
There were no immediate reports of death or damage, she said.
The highest level of a three-stage storm alert was raised over Cagayan and the northernmost provinces. Lower alerts were raised over neighbouring areas, she added.
The disaster-prone country is usually hit by some 20 typhoons each year, many of them deadly.
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