Unzen 1991.5

Unzen 1991.5.21

Unzen 1991.5.23

The first and best filmed pyroclastic flow

KTN (FNN)

Unzen 1991.5.25

Unzen 1991.5.26

Hayakawa original video

ANN

JNN

NHK

Unzen 1991.5.27

NHK

NNN

ANN

Unzen 1991.5.29

ANN

NNN

• May 1991
• Jun 1991
• Jul-Dec 1991
• 1992