Although the quake appears to have struck along the Castle Mountain Fault, it probably lies beneath it and is unrelated to it. It instead lies near the upper surface of the subducting Pacific Plate. At this location, a M=6.5 quake is likely in your lifetime, a M=7.0 quake has about 1 chance in 200 to strike in any given year.

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Although the quake appears to have struck along the Castle Mountain Fault, it probably lies beneath it and is unrelated to it. It instead lies near the upper surface of the subducting Pacific Plate. At this location, a M=6.5 quake is likely in your lifetime, a M=7.0 quake has about 1 chance in 200 to strike in any given year.

Although the quake appears to have struck along the Castle Mountain Fault, it probably lies beneath it and is unrelated to it. It instead lies near the upper surface of the subducting Pacific Plate. At this location, a M=6.5 quake is likely in your lifetime, a M=7.0 quake has about 1 chance in 200 to strike in any given year.