Minor mag. 1.7 earthquake - 2km SE of Simi Valley, CA, on Friday, Oct 22, 2021 9:17 am (GMT -7) -

Minor mag. 1.7 earthquake - 2km SE of Simi Valley, CA, on Friday, Oct 22, 2021 9:17 am (GMT -7)

Minor magnitude 1.7 earthquake at 12 km depth

22 Oct 16:20 UTC: First to report: USGS after 3 minutes.
22 Oct 16:22: Magnitude recalculated from 1.7 to 1.8. Hypocenter depth recalculated from 10.9 to 11.4 km (from 6.8 to 7.1 mi). Epicenter location corrected by 1 km (0.6 mi) towards SSW.
22 Oct 19:04: Magnitude recalculated from 1.8 to 1.7. Hypocenter depth recalculated from 11.4 to 11.6 km (from 7.1 to 7.2 mi). Epicenter location corrected by 1 km (0.6 mi) towards N.
Date & time: Oct 22, 2021 16:17:52 UTC -
Local time at epicenter: Friday, Oct 22, 2021 9:17 am (GMT -7)
Magnitude: 1.7
Depth: 11.6 km
Epicenter latitude / longitude: 34.25883°N / 118.721°W (California, United States)
Antipode: 34.259°S / 61.279°E
Nearest volcano: Lavic Lake (200 km / 124 mi)
Nearby towns and cities:
2 km (1 mi) SW of Santa Susana (pop: 1,040) --> See nearby quakes!
6 km (4 mi) E of Simi Valley (pop: 126,800) --> See nearby quakes!
10 km (6 mi) NW of West Hills (pop: 41,400) --> See nearby quakes!
11 km (7 mi) W of Chatsworth (pop: 41,300) --> See nearby quakes!
13 km (8 mi) WNW of Canoga Park (pop: 60,600) --> See nearby quakes!
15 km (9 mi) NE of Thousand Oaks (pop: 129,300) --> See nearby quakes!
15 km (9 mi) NW of Woodland Hills (pop: 70,000) --> See nearby quakes!
17 km (11 mi) W of Northridge (pop: 68,500) --> See nearby quakes!
42 km (26 mi) E of Oxnard (pop: 207,300) --> See nearby quakes!
50 km (31 mi) WNW of Los Angeles (pop: 3,971,900) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds 14.8°C (59 F), humidity: 60%, wind: 0 m/s (0 kts) from S
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.2 x 107 joules (6.22 kilowatt hours) More info
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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
1.712 km2km SE of Simi Valley, CAUSGS

User reports for this quake

At magnitude 1.7, 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 yet. If you felt it be the first to report it!
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