Eastern ND and Northwest MN Weather History
The Weather History for July 9th
- The largest earthquake in Minnesota's history, a 4.6 magnitude earthquake was feld in western MN. The earthquake was felt over an area of approximately 315,000 square kilometers including northern Iowa, Minnesota, southeastern North Dakota, and eastern South Dakota. Maximum intensity was VI. This is the largest earthquake ever instrumentally located in the state of Minnesota. The last strongly felt earthquake in the State was a shock that occurred on September 3, 1917 near Staples with a maximum intensity of VI.
- An F1 tornado ripped through the fairgrounds at Hallock.
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