"Slow slip" Data monitoring across the Nankai Trough Meteorological Agency June 25, 5:45

Regarding the phenomenon "slow slip" in which the plate boundary moves slowly, which has been pointed out to be related to the Nankai Trough earthquake, the Japan Meteorological Agency will monitor real-time data in the Tokai region from the 25th onwards from Kinki and Shikoku. It will be expanded to the whole area along the Nankai Trough including.

"Slow slip" is a phenomenon in which the boundary between the plate on the land side and the plate on the sea side moves slowly without shaking like a normal earthquake, and has been pointed out to be related to large-scale earthquakes.

A "strain gauge" for observing "slow slip" was installed around Shizuoka and Aichi prefectures in consideration of the Tokai earthquake, which was once thought to be predictable, and the Japan Meteorological Agency has monitored the data in real time. ..

On the other hand, the National Institute of Advanced Industrial Science and Technology has installed strain gauges at 12 locations from Aichi Prefecture to Kochi Prefecture for research purposes, but from 11:00 am on the 25th, the data of these strain gauges will also be real-time. Sent to and will be monitored for 24 hours.

The Meteorological Agency announces "Nankai Trough Earthquake Temporary Information" when unusual changes are observed along the Nankai Trough, but we hope to strengthen the monitoring to lead to more prompt information release.

In addition, he calls for "a Nankai Trough earthquake may suddenly occur without the temporary information being released. Please be prepared with the consciousness that it is safe to do so at any time."