23 de octubre , sismo 4,7ºRichter AL NOROESTE DE LAS ISLAS RYUKYU, JAPóN

Magnitude 4.7

Date-Time Sunday, October 23, 2011 at 09:18:48 UTC

Sunday, October 23, 2011 at 06:18:48 PM at epicenter

Time of Earthquake in other Time Zones



Location 27.848°N, 126.951°E

Depth 176 km (109.4 miles)

Region NORTHWEST OF THE RYUKYU ISLANDS

Distances 195 km (121 miles) NNW of Naha, Okinawa, Japan

470 km (292 miles) NE of Ishigaki-jima, Ryukyu Islands, Japan

542 km (336 miles) SW of Kagoshima, Kyushu, Japan

1077 km (669 miles) S of SEOUL, South Korea



Location Uncertainty horizontal +/- 17.3 km (10.7 miles); depth +/- 10 km (6.2 miles)

Parameters NST= 98, Nph=100, Dmin=172.5 km, Rmss=0.87 sec, Gp= 58°,

M-type=body wave magnitude (Mb), Version=5

Source Magnitude: USGS NEIC (WDCS-D)

Location: USGS NEIC (WDCS-D)

funte: usgs