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Minor mag. 0.4 earthquake - 3km ESE of Warner Springs, CA, on Saturday, Nov 27, 2021 at 4:31 am (GMT -8) -

Minor mag. 0.4 earthquake - 3km ESE of Warner Springs, CA, on Saturday, Nov 27, 2021 at 4:31 am (GMT -8) Minor mag. 0.4 earthquake - 3km ESE of Warner Springs, CA, on Saturday, Nov 27, 2021 at 4:31 am (GMT -8)

Minor magnitude 0.4 earthquake at 17 km depth

27 Nov 12:34 UTC: First to report: USGS after 3 minutes.
27 Nov 12:35: Magnitude recalculated from 1.0 to 0.4. Hypocenter depth recalculated from 17.3 to 16.8 km (from 10.7 to 10.4 mi).

Earthquake details

Date & timeNov 27, 2021 12:31:57 UTC -
Local time at epicenterSaturday, Nov 27, 2021 at 4:31 am (GMT -8)
StatusConfirmed
Magnitude0.4
Depth16.8 km
Epicenter latitude / longitude33.275°N / 116.6055°W (California, United States)
Antipode33.275°S / 63.395°E
Shaking intensityNot felt
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoSalton Buttes (92 km / 57 mi)
Nearby towns and cities22 km (13 mi) W of Borrego Springs (pop: 3,430) | Show on map | Quakes nearby
48 km (30 mi) ENE of Escondido (pop: 151,500) | Show on map | Quakes nearby
54 km (34 mi) ENE of San Marcos (pop: 92,900) | Show on map | Quakes nearby
56 km (35 mi) ESE of Temecula (pop: 112,000) | Show on map | Quakes nearby
60 km (37 mi) E of Vista (pop: 100,900) | Show on map | Quakes nearby
61 km (38 mi) SW of Indian Wells (pop: 87,500) | Show on map | Quakes nearby
63 km (39 mi) NNE of El Cajon (pop: 103,700) | Show on map | Quakes nearby
64 km (40 mi) ESE of Murrieta (pop: 109,800) | Show on map | Quakes nearby
81 km (50 mi) NE of San Diego (pop: 1,394,900) | Show on map | Quakes nearby
84 km (52 mi) NNE of Chula Vista (pop: 265,800) | Show on map | Quakes nearby
Weather at epicenter at time of quakeClear Sky -0.6°C (31 F), humidity: 23%, wind: 1 m/s (2 kts) from NNW
Estimated seismic energy released2.5 x 105 joules (0.07 kilowatt hours) | about seismic energy
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag.DepthLocationSource
0.417 km3km ESE of Warner Springs, CAUSGS
0.417 kmSouthern CaliforniaRaspberryShake

User reports for this quake

At magnitude 0.4, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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