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Michigan Meteor

18 January 2018

At http://spaceweather.com (17th January 2018) we learn that a meteor exploded over Michigan with a sonic boom and a bright flash of light over the Great Lakes region. The shadow cast by the fireball was brighter than the full moon – indicating the meteor penetrated fairly deep into the atmosphere. According to USGS the explosion may have caused a magnitude 2.0 earthquake – not a very strong earthquake but as far as it is known, from not a very big meteor. What might a really big bus sized meteor have done if it had penetrated deep into the atmosphere?

William sent in the link https://www.yahoo.com/gma/earthquake-causing-meteor-leaves-southeast-mic… (or https://abcnews.go.com/US/earthquake-causing-meteor-leaves-southeast-mic… ) … which takes a distinctly different tone. The Space Weather web site says an earthquake 'may' have caused an earthquake (and says it is waiting for verification) whilst the media instantly alights on the earthquake (without any scepticism). However, as the US Geological Survey was responsible for the claim they have a valid point. The epicentre appears to have been 5 miles SW of New Haven and 40 miles NE of Detroit.

At https://uk.news.yahoo.com/science-says-michigan-meteor-could-230014807.html … scientists confirm it was not a very big meteor – but was flashy. It was however quite meaty as they go on to say it was 6 feet wide (2m across). Also, pieces of the meteor are said to have been seen hitting the ground NW of Detroit (yet to be picked up). See dashcam video at https://www.youtube.com/watch?v=MvFcY9rTPx8

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