Miyake-shima volcano news & activity updates:
Miyake volcano (Izu Islands, Japan): earthquake swarm
Friday Apr 19, 2013 04:46 AM | BY: TOMPFEIFFER
Map of recent quakes near Miyake-Shimy volcano
A strong earthquake swarm, presumably caused by a magmatic intrusion, has started Wednesday at Miyake volcano in the Japanese Izu Islands.
Depth vs time of quakes under Miake volcano (note: data after 17 April were not yet available)
On Wednesday alone, JMA recorded 136 earthquakes with magnitudes up to an earthquake of magnitude 5.6, which was widely felt in the region.
The quakes' hypocenters are clustered in a NNW-SSW trending area about 10 km west of the island, at depths of 5-15 km.
You can find the list of earthquakes at this page.