Ruby

Name

Ruby

Depth

230 meters

Height

150 meters

Type

Submarine volcano

Location

Mariana Islands

Status

Historical

Eruption

1995

Description

Ruby, a basaltic submarine volcano that rises to within 230 meters of the sea surface near the southern end of the Mariana arc NW of Saipan, was detected in eruption in 1966 by sonar signals . In 1995 submarine explosions were heard, accompanied by a fish kill, sulfurous odors, bubbling water, and the detection of volcanic tremor.