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Minor mag. 1.1 earthquake - 17km ESE of Anza, CA, on Friday, Sep 30, 2022 at 10:36 pm (GMT -7) -

Minor mag. 1.1 earthquake - 17km ESE of Anza, CA, on Friday, Sep 30, 2022 at 10:36 pm (GMT -7) Minor mag. 1.1 earthquake - 17km ESE of Anza, CA, on Friday, Sep 30, 2022 at 10:36 pm (GMT -7)

Minor magnitude 1.1 earthquake at 9 km depth

1 Oct 05:38 UTC: First to report: USGS after 3 minutes.
1 Oct 05:40: Magnitude recalculated from 1.3 to 1.1. Hypocenter depth recalculated from 9.2 to 9.1 km (from 5.7 to 5.7 mi).

Earthquake details

Date & timeOct 1, 2022 05:36:11 UTC -
Local time at epicenterFriday, Sep 30, 2022 at 10:36 pm (GMT -7)
Depth9.1 km
Epicenter latitude / longitude33.48967°N / 116.50717°W (California, United States)
Antipode33.49°S / 63.493°E
Shaking intensityNot felt
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoSalton Buttes (89 km / 55 mi)
Nearby towns and cities13 km (8 mi) SSW of Alpine Village (pop: 146) | Show on map | Quakes nearby
27 km (17 mi) SW of La Quinta (pop: 40,500) | Show on map | Quakes nearby
29 km (18 mi) SSW of Palm Desert (pop: 51,900) | Show on map | Quakes nearby
32 km (20 mi) S of Cathedral City (pop: 53,800) | Show on map | Quakes nearby
37 km (23 mi) SW of Indian Wells (pop: 87,500) | Show on map | Quakes nearby
38 km (24 mi) S of Palm Springs (pop: 47,400) | Show on map | Quakes nearby
83 km (52 mi) SE of Moreno Valley (pop: 204,200) | Show on map | Quakes nearby
100 km (62 mi) SE of San Bernardino (pop: 216,100) | Show on map | Quakes nearby
Weather at epicenter at time of quakeClear Sky 19.8°C (68 F), humidity: 36%, wind: 4 m/s (7 kts) from W
Estimated seismic energy released2.8 x 106 joules (0.783 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.
1.19.1 km17km ESE of Anza, CAUSGS
1.19.1 kmSouthern CaliforniaRaspberryShake
1.110 kmSouthern CaliforniaIRIS


Seismic station: Toro Peak, Riverside Co, CA, USA (TRO/AZ network) | Distance from quake: 8 km / 5 mi | Show on map | Station Info
Seismic station Toro Peak, Riverside Co, CA, USA: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake

At magnitude 1.1, 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.

Earlier earthquakes in the same area

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