UPDATE 13:55 UTC : Based on the stronger calculations of USGS approx. 33,000 people will have experienced a MMI V moderate shaking (JMA exopects a lesser shaking)
UPDATE 13:35 UTC : Aftershocks are expected and some of them might be closer to the islands.
UPDATE 13:23 UTC : The intensity in the nearest prefecture is reported by JMA as a 3, far less than some of the Sendai / Tohoku aftershocks.
UPDATE 13:20 UTC : JMA Japan is reporting a magnitude of 5.7, a lot less than the 6.1 from USGSU
Very strong earthquake in the Sea in Southern Kyushu
Gdacs is reporting a magnitude 6.1 at 20 km earthquake (green earthquake alert)
The earthquake occurred in the sea at approx. 80 km from Tanegashima island
Tanegashima Island is located at the southern part of Kyushu.
Tanegashima is part of the Kagoshima prefecture (population : 1,703,406)
There are NO tsunami warnings or advisories in effect.
Most important Earthquake Data:
Magnitude : 6.1
UTC Time : Saturday, April 09, 2011 at 12:57:49 UTC
Local time at epicenter : Saturday, April 09, 2011 at 09:57:49 PM at epicenter
Depth (Hypocenter) : 21.3 km
approx. 60 km from Tanegashima Island, Kyushu, Japan
212 km (131 miles) S of Miyazaki, Kyushu, Japan
Links to important maps
USGS Did You Feel It Map
Google satellite map of the area showing the kind of terrain the earthquake took place
USGS historic earthquakes map
USGS Seismic hazard map
USGS Impact on Population map
USGS Shaking map
GDACS tsunami report – No tsunami alert
NOAA tsunami report – No tsunami alert
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