The Anchorage Daily News has an excellent article today on the Drift River Oil Terminal, a depository for oil collected from the platforms in the Cook Inlet. This oil terminal stores at least 1,000,o00 barrels of oil (see article for why we’re not sure) and sits, well, at the base of Redoubt (see map below from Anchorage Daily News) on the floodplain of the Drift River (~25 miles from the vent).
Now, this oil terminal was more-or-less destroyed during the last episode of volcanism at Redoubt twenty years ago when the terminal was wiped out by floods resulting from the eruptions. Not only did this cause the retrieval of the oil left at the terminal to be an immense problem, but it shut down production in the Inlet for 10 days … and we all know what this kind of news does to gasoline prices.
You would think that after this event, Chevron (who owns the terminal) would have thought better of building there again because, well, not only is Redoubt a volcano, but it is a fairly active one at that. I mean, its not like (for arguments sake) building an oil terminal at the base of Mt. Jefferson in the Cascades, that hasn’t erupted in a thousand of years. However, from what the ADN reports, Chevron has only: (1) possibly started to move oil away from the terminal since the ramping up of seismicity and (2) added a dike that “steer waters away from the facility if another monstrous flood occurs.”
I wish we knew more about what is being down about the oil terminal, because it could be a great example of when volcanic mitigation is ignored … or alternately, if Chevron is actually doing something about it, when it is paid attention. It doesn’t take a team of experts to realize that the placement of the terminal in a flood plain at the base of an active volcano might not be the best location in the Inlet. Combine that with the fact that, although a flood took out the facility in 1990, there is no guarantee that other volcanic hazards with a little more “oomph” might not be able to reach the facility, dike or not. The Drift River Oil Terminal is one of those situations where a little forethought into its placement might save Chevron and the country a lot of hassle and worry.
As for the current state of Redoubt, as of noontime (Pacific) on 1/31/09, AVO reports “Seismicity remains relatively unchanged since 3:30 PM AKST yesterday afternoon. It is still well above background.” The wait continues!