Is the latest Missouri earthquake cause for concern?


NS. LOUIS – Wednesday night’s quake in southeastern Missouri was the largest 70-mile quake over the past three decades.

The magnitude 4.0 quake struck at 8:53 p.m. in Williamsville, with tremors reported as far north as Interstate 70 in both Missouri and Illinois.

“A magnitude 4 will be felt over a very wide area. It has been reported that this has been felt in Kansas City and St. Louis. But sensing an earthquake is very different from the one causing the damage,” said Dr. Robert Herrmann, professor emeritus of geophysics at Saint Louis University.

Close to the epicenter, the earthquake will be felt very strongly. The Missouri State Department of Emergency Management reports that in addition to car alarms, there are scattered reports of bottles falling off shelves, pictures and clocks falling off walls, and at least one report. about drywall cracking.

“It will only be on the threshold of causing minor damage. If we had a larger earthquake, like magnitude 5, there could have been some minor damage to buildings,” he said.

Dr. Herrmann says we are in a place where earthquakes happen. They all involve forces within the earth and places of weakness and motion. This earthquake occurred on the periphery of the New Madrid fault line.

“What’s different about New Madrid is that if you put all the small earthquakes together, they line up a nice long linear trend and it can be more than 30, 40, 50 miles long and that’s an error. big. Elsewhere, if there’s only one area of ​​weakness, it breaks,” said Dr. Herrmann. “So this is not part of the fault in New Madrid but part of the process that gave rise to the New Madrid earthquakes.”

And in the event of a major event, it’s important to respond properly.

“I won’t lose sleep over it but people should know how to react. Just like they should know how to respond to any natural disaster,” he said.

If there is a big tremor, get out of the building so it doesn’t fall on you. But when you go out, pay attention to the power cord that can fall and leak gas.

“Some of the things you worry about will be the same as the things you worry about in inclement weather,” says Dr. Herrmann.

Our part of the country is well monitored by instrumentation.

“Everything goes to the computer in real time. And so, within a minute of an earthquake, a computer will determine the location and size, and within ten minutes, a human will see what the computer has done and if it matters, the human will notice. inform different agencies,” said Dr. Hermann.

SEMA has annual training for natural disasters. They go from the state level to the local level and organize people and make sure that everyone communicates. Dr Herrmann said our ability to prepare for earthquakes is much better than in previous years.

https://fox2now.com/news/missouri/is-last-nights-missouri-earthquake-cause-for-concern/ Is the latest Missouri earthquake cause for concern?

Huynh Nguyen

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