A bid of mini earthquakes deed adjacent the Big Bear area successful San Bernardino County starting precocious Saturday nighttime into Sunday morning.
The earthquakes -- which maxed retired astatine magnitude 3.5 earlier sunrise Sunday -- had an epicenter successful the San Bernardino Mountains about 4 miles northbound of Big Bear Airport.
The epicenter was about 29 miles northeast of downtown San Bernardino, 27 miles southeast of Hesperia and 40 miles northwest of Palm Springs.
The first earthquake was magnitude 3.3, which struck astatine 11:15 p.m. Saturday, according to the U.S. Geological Survey.
It was followed by a magnitude 3.4 astatine 2:51 a.m. The magnitude 3.5 followed astatine 3:41 a.m.
An aftershock of magnitude 2.5 was reported astatine 5:54 a.m., followed by a magnitude 2.6 astatine 6:20 a.m.
"Weak" shaking -- aliases a Level Three connected the Modified Mercalli Intensity Scale -- was felt successful the Big Bear area, according to the USGS. In general, that's capable to beryllium felt rather noticeably by group indoors, but galore group whitethorn not admit it arsenic an earthquake. The vibrations successful specified shaking whitethorn consciousness for illustration a motortruck has passed by.
The past clip the Big Bear area was deed by awesome earthquakes was successful 1992. On June 28, 1992, a magnitude 6.3 earthquake deed about 4½ miles southeast of Big Bear Airport, causing terrible shaking successful the Big Bear area.
No lives were mislaid successful the Big Bear earthquake of 1992, the USGS said, but location was important harm and landslides successful the area, and that quake was wide felt about Southern California and successful parts of confederate Nevada and occidental Arizona.
The Big Bear earthquake of 1992 was the 2nd of a one-two punch of temblors that occurred connected the aforesaid day. Three hours earlier, and about 20 miles to the east, the powerful magnitude 7.3 Landers earthquake struck.
The Landers earthquake had an epicenter much than 25 miles northeast of Palm Springs, and resulted successful terrible shaking successful Yucca Valley, and beardown shaking successful Twentynine Palms, according to the Modified Mercalli Intensity Scale.
A sleeping 3-year-old boy died aft being struck by a collapsing chimney successful the Landers earthquake.
Those earthquakes were preceded by a magnitude 6.1 earthquake connected April 22, 1992 successful Joshua Tree National Park. That quake began a series of triggered quakes that migrated northbound successful the pursuing months, culminating successful the Landers and Big Bear earthquakes of June 1992.