Stanley Lake Earthquake 2020. by Claudio Berti. Published on May 9, 2020. On March 31, a 6.5 magnitude earthquake rolled through Idaho's Sawtooth mountain range, northeast of Boise. The quake's "preliminary magnitude" was 4.2. The earthquake was centered 19 miles northwest of Stanley. Picture via Facebook. Shaking from the March 31, 2020 M6.5 Stanley earthquake, or one of the subsequent aftershocks, caused liquefaction of sediments near the inlet of Stanley Lake. Idaho geologists determined that the flooding of Lake Inlet Beach was consistent with the geological processes that occurred during the March 31 earthquake. STANLEY (Idaho Statesman) – Weeks after a magnitude-6.5 earthquake shook Idaho, officials discovered a casualty of the quake, which was the … The USGS reports that the earthquake's epicenter was in the Sawtooth Mountain Range, west of Sawtooth Lake and near the Stanley Lake … Liquefaction is the processes in which shaking or vibration of saturated, unconsolidated soil causes a loss of strength. Stanley Lake Inlet Beach collapsed after March 6.5 magnitude earthquake KTVB Staff 5/10/2020 Dr. Fauci Says Some Places 'Better Hold Off' on Thanksgiving Celebrations Share Embed Explore. STANLEY, Idaho — A popular Sawtooth beach, boat launch and fishing area is now under water, and Idaho Gelogical Survey officials say the culprit was likely the 6.5 magnitude earthquake in March. A boat launch site on Stanley Lake is flooded by deep water and is being studied by geologists to assess if the March 31, 2020 earthquake played a part in sinking the boat launch. Yep, according to new investigations, geologists believe that the Stanley Lake inlet beach collapsed as a result of the March 31 M6.5 earthquake. Stanley Lake Inlet Beach disappears during idaho M6.5 earthquake on March 31, 2020. Stanley Lake’s inlet beach has collapsed as a result of the March 31 earthquake, the Sawtooth National Forest reported over the weekend. Stanley Lake Inlet Beach Collapses a result of the March 31 Earthquake (Image: U.S. Forest Service - Sawtooth National Forest) (KMVT) By Garrett Hottle … It was the second largest earthquake to … It hit at 5:52 p.m. that Tuesday and was felt as far away as Utah, western Montana and the far western side of Idaho. The inlet at Stanley Lake—a popular boat launch, beach and fishing area—apparently collapsed during the past five weeks as a result of the March 31 earthquake that rocked Idaho and beyond.