- Last Tuesday night, a magnitude 7.8 earthquake occurred roughly 500 miles to the SW of Anchorage, Alaska
- A few minutes after the earthquake started, it registered in southwest Oklahoma
- The seismogram was quite active for several hours
Around 10:12 PM in Alaska, a strong earthquake was registered about 65 miles to the south of Perryville, Alaska. In the four and a half hours following that earthquake, more than twenty aftershocks were registered including a 6.1M, a 5.8M and a 5.7M.
Nearly 3,150 miles away from the epicenter, the movement started registering just 9 minutes after shaking started in Alaska.
Earthquakes are common in this area and it isn’t unusual to see large earthquakes in the Aleutian Island area.
Since 1900, there have been six other earthquakes with at least a 7 magnitude in this area. The largest of them was a 8.2 magnitude in November of 1938 (which occurred in almost the same place as last night’s). This area also holds the record for the second-largest earthquake in modern times with a 9.2 magnitude back in March of 1964.
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