The coast is moving lately. What happens if we get a large earth quake that breaks up the ice and causes further compression? I don't think the gabion dikes would hold.

"What happens if we get a large earth quake that breaks up the ice and causes further compression"

A large earthquake that shakes up a pudding, as it has been described ....????

I think an earthquake large enough to move ice more than the force of water has already been doing without an earthquake, will be large enough to knock a few of the highrises down, heave the ground in places, break water, gas, and even some electrical cables connections to the extent that the consequences of the ice jam will be looked at as a walk in the park.

Actually with all the saturated sand and fine gravel near the river could have some devistating consequences due to liquifaction if a quake were to occur at this time. Its the same reason why Ancorage Alaska had devistating results in the 50's when the quake hit there. With Prince George being in the Pinchi Fault zone with all this quake activity it could very well be a possibility but a very very slim one.

very well a possibility, but a slim one...

which is it? Why throw out that kind of statistical gobldy gook?

If I gotta worry about any possibility of a damned earthquake in this City, I will stop looking before I step off the curb when downtown tomorrow morning.

Earthquake, smirthquake. The ice is here for a few months and the City and P.E.P. are doing their damndest to confuse us and allow Mother Nature to run rampant

"which is it? Why throw out that kind of statistical gobldy gook?"

Study Geology then we will talk!