Guguan
- STS107-E-5466
- 22 January 2003
- 05:36 UTC
The island of Guguan, located 30 km south from Alamagan and 64 km northeast from Sarigan, is a small island of 4 km² measuring 2.8 km across. The island is composed of two volcanic centres — an older eroded volcano in the south and a younger northern volcano. The interior is marked by deep ravines and rises to a height of 301 m on the southern rim of the caldera.
image: earth sciences and image analysis laboratory, nasa johnson space center.
