Mag. 3.7 earthquake - 5.8 mi northwest of Brawley, Imperial County, California, on 30 Sep 4:06 pm (GMT -7) -

Mag. 3.7 earthquake  - 5.8 mi northwest of Brawley, Imperial County, California, on 30 Sep 4:06 pm (GMT -7)

Minor magnitude 3.7 earthquake at 3 km depth

30 Sep 23:08 UTC: First to report: USGS after 2 minutes.
30 Sep 23:11: Magnitude recalculated from 3.5 to 3.7.
1 Oct 00:14: Hypocenter depth recalculated from 3.2 to 3.4 km (from 2 to 2.1 mi).
Date & time: 30 Sep 2020 11:06:02 UTC -
Local time at epicenter: 30 Sep 4:06 pm (GMT -7)
Magnitude: 3.7
Depth: 3.4 km
Epicenter latitude / longitude: 33.04533°N / 115.59°W (California, United States)
Nearest volcano: Salton Buttes (18 km / 11 mi)
Nearby towns and cities:
3 km (2 mi) ENE of Westmorland (Imperial County) (pop: 2,270)
9 km (6 mi) NW of Brawley (Imperial County) (pop: 25,900)
11 km (7 mi) SW of Calipatria (Imperial County) (pop: 7,420)
28 km (18 mi) N of El Centro (Imperial County) (pop: 44,000)
33 km (20 mi) NW of Holtville (Imperial County) (pop: 6,400)
42 km (26 mi) NNW of Calexico (Imperial County) (pop: 40,100)
101 km (63 mi) NW of San Luis Rio Colorado (Sonora, Mexico) (pop: 158,100)
145 km (90 mi) ENE of Tijuana (Baja California, Mexico) (pop: 1,301,000)
Weather at epicenter at time of quake:
Clear Sky 42°C (108 F), humidity: 6%, wind: 3 m/s (6 kts) from NNW
Primary data source: USGS
Estimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 tons of TNT) [learn more]
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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.
MagnitudeDepthLocationSource
M 3.73.4 km3km ENE of Westmorland, CA, USAUSGS
M 3.58 kmSouthern California, USAEMSC

User reports for this quake (6)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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9.2 km SE of epicenter [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 2-5 s : Entire house shook and house frame creeked. Few things fell over on desk. All windows shook even during every after shock | One user found this interesting. (reported through our app)
westmorland ca / Light shaking (MMI IV)
Brawley, California / Light shaking (MMI IV) / 1-2 s
El Centro (United States, 28 km S of epicenter) : Nice jolt (reported through EMSC)
Imperial (United States, 22 km S of epicenter) : Quick jerk. (reported through EMSC)
El Centro (United States, 28 km S of epicenter) : Una leve sacudida (reported through EMSC)
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Earlier earthquakes in the same area

Mag. 3.7 earthquake - 5.8 mi northwest of Brawley, Imperial County, California, on 30 Sep 4:06 pm (GMT -7)
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