Minor mag. 0.9 earthquake - 4km W of Laguna Niguel, CA, on Thursday, Oct 14, 2021 1:58 am (GMT -7) -

Minor mag. 0.9 earthquake - 4km W of Laguna Niguel, CA, on Thursday, Oct 14, 2021 1:58 am (GMT -7)

Minor magnitude 0.9 earthquake at 17 km depth

14 Oct 09:02 UTC: First to report: USGS after 3 minutes.
14 Oct 09:03: Magnitude recalculated from 1.3 to 1.1. Hypocenter depth recalculated from 16.6 to 16.9 km (from 10.3 to 10.5 mi). Epicenter location corrected by 1.7 km (1 mi) towards SSW.
14 Oct 15:48: Magnitude recalculated from 1.1 to 0.9. Hypocenter depth recalculated from 16.9 to 17.1 km (from 10.5 to 10.6 mi). Epicenter location corrected by 1.2 km (0.7 mi) towards ESE.
Date & time: Oct 14, 2021 08:58:51 UTC -
Local time at epicenter: Thursday, Oct 14, 2021 1:58 am (GMT -7)
Magnitude: 0.9
Depth: 17.1 km
Epicenter latitude / longitude: 33.51217°N / 117.73733°W (California, United States)
Antipode: 33.512°S / 62.263°E
Nearest volcano: Lavic Lake (170 km / 106 mi)
Nearby towns and cities:
3 km (2 mi) WSW of Laguna Niguel (pop: 65,800) --> See nearby quakes!
6 km (4 mi) S of Aliso Viejo (pop: 50,200) --> See nearby quakes!
11 km (7 mi) SSW of Mission Viejo (pop: 97,200) --> See nearby quakes!
15 km (9 mi) NW of San Clemente (pop: 65,500) --> See nearby quakes!
16 km (10 mi) SSW of Lake Forest (pop: 82,500) --> See nearby quakes!
19 km (12 mi) SSE of Irvine (pop: 256,900) --> See nearby quakes!
21 km (13 mi) ESE of Newport Beach (pop: 87,100) --> See nearby quakes!
22 km (14 mi) SE of Costa Mesa (pop: 113,200) --> See nearby quakes!
40 km (25 mi) SSE of Anaheim (pop: 350,700) --> See nearby quakes!
51 km (31 mi) ESE of Long Beach (pop: 474,100) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 13.5°C (56 F), humidity: 34%, wind: 1 m/s (2 kts) from ESE
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 106 joules (0.392 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.
0.917 km4km W of Laguna Niguel, CAUSGS

User reports for this quake (2)

At magnitude 0.9, 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.
Temple City, Los Angeles, California (71.7 km NNW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s
Long Beach / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s
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