FORT WAYNE, Ind. (WFFT) — The earthquake that occurred off the Alaska Peninsula was revised to a magnitude 7.6 Tuesday.
It was first reported Monday as magnitude 7.4 and it was later revised to a 7.5 before the latest update.
According to the Alaska Earthquake Center, the quake was recorded 67 miles southeast of Sand Point at a depth of 19 miles Monday afternoon.
The quake was felt in many communities along the southern coast including Chignik, Unalaska, Manokotak, South Naknek, and the Kenai Peninsula.
According to the Alaska Earthquake Center, a magnitude 5.8 aftershock was reported 11 minutes later in nearly the same area.
2/2 In this map, the orange star is the M7.8 mainshock from July, with its aftershocks shown as red circles. Yesterday's M7.6 aftershock is shown as a yellow star, and its aftershocks are the yellow circles. Locations of yellow circles are not yet reviewed and may change. pic.twitter.com/OA18giZrp0
— Alaska Earthquake Center (@AKearthquake) October 20, 2020
USGS data indicated at least 8 aftershocks in the first hour after the quake and they measured between M5.2 and 5.9.
Since Monday, there have been over 140 aftershocks.
No major damage was reported from the initial quake and the aftershocks.