Deep seismic shock at a depth within the asthenospheric alert zone for the region [300-500 km] M4.5 – Izu Islands, Japan region 2017-03-25 21:13:05 UTC
Energy transmigration to shallow, resulting in a higher magnitude seismic event [M6.0-M7.5] within 36 hours.
There is the possibility of the energy transmigrating to the NE
Alert Map: https://drive.google.com/file/d/0B83EkoitOiKQT0VqUGZpQVpVNGM/view?usp=sharing