Tonight, several strong tremors rocked one of the world's most seismically active places. Located on the "Pacific Ring of Fire," an arc of volcanoes and fault lines encircling the Pacific Basin, a magnitude 6.6 earthquake rocked Manokwari, Indonesia. This occurred on Saturday (local time), April 21, 2012 at 01:16:54 UTC, but no tsunami warning was issued. This quake was located at 1.609°S, 134.232°E with a depth of 29.8 km (18.5 miles).
|Magnitude 6.6 near Papua, Indonesia.|
A few hours earlier, a strong 6.1 magnitude earthquake struck off Indonesia's Sumatra island on Friday (local time), April 20, 2012 at 23:14:31 UTC at a depth of about 25 km (15.5 miles), 427 km southwest of Banda Aceh on the northern tip of Sumatra.
|Magnitude 6.1 off Sumatra.|
|Series of earthquakes off Indonesia and Sumatra.|