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Old 12-07-2011, 05:40 PM   #8
BrodiKennedy

Join Date
Oct 2005
Posts
463
Senior Member
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Just came across this for the first time. This is on the same fault and nearby or same location (s) as the recent large earthquakes:

http://en.wikipedia.org/wiki/Maquinna_(volcano)
Maquinna is an active submarine mud volcano on the Coast of British Columbia, Canada, located 16-18 kilometers west of Vancouver Island. It rises approximately 30 m (98 ft) above the mean level of the northeastern Pacific Ocean and lies directly along the southern expression of the left laterial, strike slip Nootka Fault.

Geology

Maquinna is one of the few mud volcanoes documented in the northeast Pacific. It is 1.5 km (1 mi) across, contains a breached caldera and two small summit craters.

Scientific studies of Maquinna showed strong, co-registered thermal, particulate, and unusual oxygen that extends 50 m (164 ft) above the volcano, indicating a water column. This data suggests the volcano is actively venting warm hydrothermal fluids. Vancouver Island and the Coastal Mountains west of the volcano ring is not continent, but raised seafloor.
This active Nootka fault may end as far in as the Meager Creek Volcanic area (that just had the largest recorded landslide in Canada in 2010).
BrodiKennedy is offline


 

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