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City of Carlsbad

Quake info: Minor mag. 1.1 earthquake

Updated: Aug 29, 2021 22:51 GMT –

Minor mag. 1.1 earthquake - 5km SW of Palomar Observatory, CA, on Sunday, Aug 29, 2021 9:44 am (GMT -7)

Minor magnitude 1.1 earthquake at 20 km depth

29 Aug 16:46 UTC: First to report: USGS after 2 minutes.
29 Aug 16:49: Magnitude recalculated from 1.2 to 1.1. Hypocenter depth recalculated from 20.0 to 19.5 km (from 12.4 to 12.1 mi).

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Date & time: Aug 29, 2021 16:44:32 UTC –
Local time at epicenter: Sunday, Aug 29, 2021 9:44 am (GMT -7)
Magnitude: 1.1
Depth: 19.5 km
Epicenter latitude / longitude: 33.32067°N / 116.90267°W↗ (California, United States)
Antipode: 33.321°S / 63.097°E↗
Nearest volcano: Salton Buttes (120 km / 75 mi)

Nearby towns and cities:
14 km (9 mi) SSW of Aguanga (pop: 1,130) –> See nearby quakes!
28 km (18 mi) NE of Escondido (pop: 151,500) –> See nearby quakes!
30 km (19 mi) SE of Temecula (pop: 112,000) –> See nearby quakes!
31 km (20 mi) NE of San Marcos (pop: 92,900) –> See nearby quakes!
34 km (21 mi) ENE of Vista (pop: 100,900) –> See nearby quakes!
39 km (24 mi) SE of Murrieta (pop: 109,800) –> See nearby quakes!
45 km (28 mi) ENE of Carlsbad (pop: 113,500) –> See nearby quakes!
46 km (29 mi) ENE of Oceanside (pop: 175,700) –> See nearby quakes!
72 km (44 mi) NNE of San Diego (pop: 1,394,900) –> See nearby quakes!
84 km (52 mi) SE of Riverside (pop: 322,400) –> See nearby quakes!

Weather at epicenter at time of quake:
Scattered Clouds 22.7°C (73 F), humidity: 40%, wind: 2 m/s (3 kts) from WSW

Primary data source: USGS (United States Geological Survey)

Estimated released energy: 2.8 x 106 joules (0.783 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. Depth Location Source
1.1 20 km 5km SW of Palomar Observatory, CA USGS

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