Geologic Background:
Ahyi seamount is a large conical submarine
volcano that rises to within about 140 m of the surface
Historic Activity:
- Water discoloration has been observed over the
volcano.
- In 1979 the crew of a fishing boat felt shocks over
the summit area followed by upwelling of sulfur-bearing
water.
Recent Activity:
- A short episode of ezplosive submarine volcanism was
recorded on April 24, 2001
Data Sources:
- Smithsonian's SEAN Bulletin (V.4, No. 11)
- Global Volcanism Network (V. 26, No. 5)
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