Bayonnaise Rocks

SUMMARY:

Type: submarine vent
Activity: active
Last Eruption: 1970 AD
Rock Type: ?
Eruptive Volume: ? cu km
Location Map from Xerox PARC
Latitude: 31.92 N
Longitude: 139.92 E

GEOLOGIC HISTORY

Historic Activity:

Recent Activity: The volcano's last vigorous eruption was in 1970. Discolored water has occasionally been observed over the site since then, most recently on October 21, 1987 and March 18-19, 1988.

Data Sources

• Smithsonian's SEAN Bulletin (V. 13, No. 3).

ADDITIONAL INFORMATION

Last Update: 2/27/00