Earthquakes in Devore area

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As recorded by Cal Tech — the California Institute of Technology — Southern California has had a series of earthquakes of magnitude of 4.4, 3.8 and 3.2, just about 48 miles ENE of Los Angeles and 8 miles WNW of San Bernardino. They began at 5:48 p.m. local time.

Cal Tech
Cal Tech

There have been many other smaller quakes in the time period, as well as earlier in the day. They have been described as shallow, as little as three miles deep, and in a very seismically active area.

Below are the reports for the three larges quakes, from Cal Tech, but if you wish to keep updated throughout the evening you can access their website HERE. Their earthquake map is updated every five minutes.

A light earthquake occurred at 5:48:57 PM (PST) on Tuesday, December 29, 2015.
The magnitude 4.4 event occurred 4 km (2 miles) SSW of Devore, CA.
The hypocentral depth is 6 km ( 4 miles).

Magnitude 4.4 – moment magnitude (Mw)
Time Tuesday, December 29, 2015 at 5:48:57 PM (PST)Wednesday, December 30, 2015 at 1:48:57 (UTC)
Distance from Devore, CA – 4 km (2 miles) SSW (194 degrees)Muscoy, CA – 7 km (5 miles) WNW (303 degrees)Rialto, CA – 10 km (6 miles) NNW (338 degrees)Fontana, CA – 11 km (7 miles) NNE (23 degrees)Lytle Creek, CA – 11 km (7 miles) SE (133 degrees)
Coordinates 34 deg. 11.4 min. N (34.191N), 117 deg. 24.7 min. W (117.411W)
Depth 5.6 km (3.5 miles)
Quality Fair
Location Quality Parameters Nst=114, Nph=126, Dmin=12.9 km, Rmss=0.27 sec, Erho=0.3 km, Erzz=1.6 km, Gp=28.8 degree

A minor earthquake occurred at 5:53:45 PM (PST) on Tuesday, December 29, 2015.
The magnitude 3.8 event occurred 4 km (2 miles) S of Devore, CA.
The hypocentral depth is 6 km ( 4 miles).

 

Magnitude 3.8 – (unknown type)
Time Tuesday, December 29, 2015 at 5:53:45 PM (PST)Wednesday, December 30, 2015 at 1:53:45 (UTC)
Distance from Devore, CA – 4 km (2 miles) S (188 degrees)Muscoy, CA – 7 km (4 miles) WNW (303 degrees)Rialto, CA – 10 km (6 miles) NNW (340 degrees)Fontana, CA – 11 km (7 miles) NNE (25 degrees)Lytle Creek, CA – 12 km (7 miles) SE (133 degrees)
Coordinates 34 deg. 11.3 min. N (34.189N), 117 deg. 24.4 min. W (117.407W)
Depth 5.8 km (3.6 miles)
Quality Good
Location Quality Parameters Nst=101, Nph=119, Dmin=10.3 km, Rmss=0.22 sec, Erho=0.2 km, Erzz=1.2 km, Gp=28.8 degrees
Event ID# ci37507592
Additional Information map || waveforms
Addons below this line Did You Feel It?First Motion Focal MechanismWaveforms

A minor earthquake occurred at 5:55:14 PM (PST) on Tuesday, December 29, 2015.
The magnitude 3.2 event occurred 4 km (2 miles) SSW of Devore, CA.
The hypocentral depth is 6 km ( 4 miles).

 

Magnitude 3.2 – local magnitude (Ml)
Time Tuesday, December 29, 2015 at 5:55:14 PM (PST)Wednesday, December 30, 2015 at 1:55:14 (UTC)
Distance from Devore, CA – 4 km (2 miles) SSW (192 degrees)Muscoy, CA – 7 km (4 miles) WNW (302 degrees)Rialto, CA – 10 km (6 miles) NNW (338 degrees)Fontana, CA – 11 km (7 miles) NNE (23 degrees)Lytle Creek, CA – 11 km (7 miles) SE (134 degrees)
Coordinates 34 deg. 11.3 min. N (34.189N), 117 deg. 24.6 min. W (117.410W)
Depth 5.6 km (3.5 miles)
Quality Good
Location Quality Parameters Nst=109, Nph=126, Dmin=9.2 km, Rmss=0.24 sec, Erho=0.2 km, Erzz=0.9 km, Gp=28.8 degrees
Event ID# ci37507608
Additional Information map || waveforms
Addons below this line Did You Feel It?First Motion Focal MechanismWaveforms

People as far west as Redondo Beach and Newport Beach reported feeling the quakes. No injuries or fatalities have been reported and damage assessments are still being made.

 Top photo from Google Maps.