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ORIGINAL: JimboFletch

It happened as I was kissing my wife goodbye this morning.

She was very impressed.






J/K

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It was my first time feeling an earthquake!

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ORIGINAL: humbleinspirit

Somehow I do not think that feeling an Earthquake would be a pleasurable thing.

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Out here in California, a 5.2 quake is one where you just sit back and enjoy the ride; however when they begin to approach 7.0 then its a very different story!

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ORIGINAL: joy2give2u

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Out here in California, a 5.2 quake is one where you just sit back and enjoy the ride; however when they begin to approach 7.0 then its a very different story!

According to our resident geologist, who is originally from CA, an earthquake, even as low as 5.2 is much worse in the mid-west then in CA.

The reason is our bedrock..........CA sits on top of volcanic rock which is softer and smaller then ours.

We sit upon huge sheets of rock which were formed by the glaciers. Our bedrock is really hard, the sheets are much larger thus causing a much greater impact each time one hits another.

She shared more but basically the point, from a Cali girl, was earthquakes are to be much more feared in the mid-west then in CA.

It was interesting.

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"We don't have as many opportunities as in California," said Genda Chen, associate professor of engineering at the University of Missouri-Rolla, during an Associated Press interview
"We cannot even borrow on the knowledge they learn on the West Coast" she said, explaining that while quakes in California occur where tectonic plates beneath the Earth's surface collide, the Midwestern quakes happen far away from the edges of the nearest plates.

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Seismologists say Midwest earthquakes commonly radiate out for hundreds of miles due to the bedrock under much of the eastern United States.

"Our bedrock here is old, really rigid and sends those waves a long way," Bob Bauer, a geologist with the Illinois State Geological Survey, told the AP. Bauer equated the Midwest bedrock, which lies from a few feet to a few thousand feet below the earth’s surface, to a smooth bell that very efficiently transmits seismic waves like sound.

"California is young bedrock," he explained, "It's broken up ... like a cracked bell. You ring that, the waves don't go as far."

In California, the energy is dissipated on all the faults and the earthquakes are more local events

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Earthquakes in the central and eastern U.S., although less frequent than in the western U.S., are typically felt over a much broader region. East of the Rockies, an earthquake can be felt over an area as much as ten times larger than a similar magnitude earthquake on the west coast. A magnitude 4.0 eastern U.S. earthquake typically can be felt at many places as far as 100 km (60 mi) from where it occurred, and it infrequently causes damage near its source. A magnitude 5.5 eastern U.S. earthquake usually can be felt as far as 500 km (300 mi) from where it occurred, and sometimes causes damage as far away as 40 km (25 mi).

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ORIGINAL: joy2give2u

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"We don't have as many opportunities as in California," said Genda Chen, associate professor of engineering at the University of Missouri-Rolla, during an Associated Press interview
"We cannot even borrow on the knowledge they learn on the West Coast" she said, explaining that while quakes in California occur where tectonic plates beneath the Earth's surface collide, the Midwestern quakes happen far away from the edges of the nearest plates.

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Seismologists say Midwest earthquakes commonly radiate out for hundreds of miles due to the bedrock under much of the eastern United States.

"Our bedrock here is old, really rigid and sends those waves a long way," Bob Bauer, a geologist with the Illinois State Geological Survey, told the AP. Bauer equated the Midwest bedrock, which lies from a few feet to a few thousand feet below the earth’s surface, to a smooth bell that very efficiently transmits seismic waves like sound.

"California is young bedrock," he explained, "It's broken up ... like a cracked bell. You ring that, the waves don't go as far."

In California, the energy is dissipated on all the faults and the earthquakes are more local events

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Earthquakes in the central and eastern U.S., although less frequent than in the western U.S., are typically felt over a much broader region. East of the Rockies, an earthquake can be felt over an area as much as ten times larger than a similar magnitude earthquake on the west coast. A magnitude 4.0 eastern U.S. earthquake typically can be felt at many places as far as 100 km (60 mi) from where it occurred, and it infrequently causes damage near its source. A magnitude 5.5 eastern U.S. earthquake usually can be felt as far as 500 km (300 mi) from where it occurred, and sometimes causes damage as far away as 40 km (25 mi).

Who should go back to school ??????

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much worse in the mid-west then in CA.

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She shared more but basically the point, from a Cali girl, was earthquakes are to be much more feared in the mid-west then in CA.

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the freeway collapse it caused i.e. the one that was in the news all over the entire country?

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ORIGINAL: benelchi

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ORIGINAL: joy2give2u

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Out here in California, a 5.2 quake is one where you just sit back and enjoy the ride; however when they begin to approach 7.0 then its a very different story!

According to our resident geologist, who is originally from CA, an earthquake, even as low as 5.2 is much worse in the mid-west then in CA.

The reason is our bedrock..........CA sits on top of volcanic rock which is softer and smaller then ours.

We sit upon huge sheets of rock which were formed by the glaciers. Our bedrock is really hard, the sheets are much larger thus causing a much greater impact each time one hits another.

She shared more but basically the point, from a Cali girl, was earthquakes are to be much more feared in the mid-west then in CA.

It was interesting.

Someone needs to send your resident geologist back to school. In California, we have Earthquake maps that predict where the greatest amount of damage will be in the event of an earthquake. My home is on bedrock and so I am in a very good area when an earthquake hits. The areas most prone to disaster are on the soft ground of the bay landfills which almost liquefy when an earthquake hits; this is called ""liquefaction." and was the primary cause of the big structural failures during the "Loma Prieta" quake in 1989.