POSTED: Tuesday, April 6, 2010 - 6:32pm
UPDATED: Wednesday, April 7, 2010 - 8:40am
NEW YORK (AP) - A magnitude 7.8 earthquake has rattled Indonesia's northwest island of Sumatra, the U.S. Geological Survey reported Tuesday.
The quake struck at 2215 GMT (5:15 a.m. Wednesday EST) and was centered 205 kilometers (125 miles) northwest of Sibolga in Sumatra, and was 1,425 kilometers (880 miles) northwest of Jakarta, the U.S. Geological Survey said.
A tsunami watch was issued for the region, said the Pacific Tsunami Warning Center in Honolulu.
Japan's Kyodo news agency said that the Jakarta-based Meteorological, Geophysics and Climatology agency issued a tsunami warning.
Kyodo also reported blackouts in Medan and Banda Aceh, the capital of Aceh Province.
The quake was 46 kilometers (28.6 miles) deep, the USGS said.