The area sunk because of the collapse of Reptilian Secret Underground Base (= US Military Secret Underground Base). Galactic Federation of Light has been cleaning up all the Reptilian Secret Underground Bases on the Earth.
All the quakes are shallow quakes. Total 78 quakes are reported.
Toward the epicenter, there is a dirt road.
This area is surrounded by major Military Bases including Hawthorne Army Depot, Hawthorne Naval Undersea Warfare Center, Marine Corps Mountain Warfare Training Center and Nellis Air Force Base.