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Country: | United States | |
| Subregion Name: | Mariana Islands | ||
| Volcano Number: | 0804-202 | ||
| Volcano Type: | Submarine volcano | ||
| Volcano Status: | Historical | ||
| Last Known Eruption: | 1995 | ||
| Summit Elevation: | -230 m | - 755 feet | |
| Latitude: | 15.62°N | 15°37'0"N | |
| Longitude: | 145.57°E | 145°34'0"E | |
| Ruby, a basaltic submarine volcano that rises to within 230 m of the sea surface near the southern end of the Mariana arc NW of Saipan, was detected in eruption in 1966 by sonar signals (Norris and Johnson, 1969). In 1995 submarine explosions were heard, accompanied by a fish kill, sulfurous odors, bubbling water, and the detection of volcanic tremor. | |||
