Strong earthquakes rocked eastern Indonesia and the Gulf of California overnight, but there were no immediate reports of significant damage.
The U.S. Geological Survey reported a quake measuring magnitude 6.3 and was centered 139 kilometers (86 miles) southeast of Ambon, the provincial capital of Maluku, at a depth of 34 kilometers (21 miles).
Edi Hatu, a hotel employee in Ambon, said panicked guests ran out of their rooms, but there was no damage.
Indonesia, the world's largest archipelago nation, is prone to seismic upheaval due to its location on the Pacific "Ring of Fire," an arc of volcanoes and fault lines in the Pacific Basin.
Meanwhile, a magnitude-6 earthquake shook the Gulf of California coast in Mexico late Sunday night, but there are no reports of damage.
The USGS says the quake hit at 11:26 p.m. Sunday local time was centered 63 miles (102 kilometers) southwest of Los Mochis.
Local officials reported some panic, but no known damage.
Watchdogs are questioning an exclusive agreement between the City of Oakland and a non-profit group, tapped to lead a multi-million dollar project to redevelop the area around the Coliseum BART station.