|
International Cooperative Research with Scientific Drilling for Understanding Eruption Mechanisms and Magmatic Activity |
|
|
Night view of USDP-4 rig, Nov.
'03 |
|
|
Rig site seen from lava dome (summit),
Aug. '03 |
Rig and water pool. Back is lava dome,
Sept. '03 |
|
|
Three-dimensional image of conduit drilling. Shown inside the volcano are the drilling trajectory of conduit drilling (USDP-4) and plate-shaped conduit (dike) together with earthquake hypocenters, water table and explosion source. |
Photograph showing four USDP drilling sites on the eastern side of Unzen volcano. In July 2002, road construction to the drilling site to the conduit (USDP-4) started in the northern slope of Mt. Fugen (peak of Unzen). |