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originally posted by: Gwampo
listening to KFBK right now, they're talking about the animals goin HAM right before the quake. Lots of barking
any solar flares reported?
originally posted by: Greven
a reply to: AutumnWitch657
Geology can impact the perceived intensity of an earthquake - a M4 in one place might feel much stronger in another place.
For example, a few years ago in Oklahoma, we had a M5.6 earthquake. It was felt hundreds of miles away - as far as Tennessee and Wisconsin. A tall courthouse in St. Louis, Missouri shook enough from the earthquake that they recessed the trial and fled. St. Louis is 400mi away from the epicenter of that quake. The quake corresponded to VIII on the Modified Mercalli scale near the epicenter:
VIII. Destructive - Damage slight in structures of good design, considerable in normal buildings with a possible partial collapse. Damage great in poorly built structures. Brick buildings easily receive moderate to extremely heavy damage. Possible fall of chimneys, factory stacks, columns, monuments, walls, etc. Heavy furniture moved.
To relate an anecdotal account - one of my father's employees grew up in San Francisco and moved out to Oklahoma 20 years ago or so, and the M3.0-4.0 quakes we've been having lately have scared her.
Comparatively, it appears that, from reports for this much larger earthquake, the MMI might be slightly lower - topping out at VII from DYFI reports or maybe the same at VIII judging by damage reports.
originally posted by: Blahable
I bet that guy on twitter who has been predicting earthquakes(and failing) for the past few years. Pissed his pants today.
originally posted by: clay2 baraka
It could also serve to shift pressure onto surrounding fault lines..