Event status: uncertain, preliminary [?]

Reported quake or seismic-like event: 6.7 mi west of El Cajon, San Diego County, California, USA, Friday, July, 23 2021 11:23 GMT -

Reported quake or seismic-like event: 6.7 mi west of El Cajon, San Diego County, California, USA, Friday, July, 23 2021 11:23 GMT
23 Jul 11:56 UTC: First to report: VolcanoDiscovery after 33 minutes.
Date & time: Jul 23, 2021 11:23:29 UTC -
Magnitude: 3.4?
Depth: 10.0 km
Epicenter latitude / longitude: 32.81033°N / 117.07688°W (San Diego, California, United States)
Antipode: 32.81°S / 62.923°E
Nearest volcano: Salton Buttes (139 km / 86 mi)
Nearby towns and cities:
7 km (4 mi) NW of La Mesa (pop: 60,100) --> See nearby quakes!
9 km (5 mi) NNW of Lemon Grove (San Diego County) (pop: 26,700) --> See nearby quakes!
10 km (6 mi) WSW of Santee (pop: 57,800) --> See nearby quakes!
11 km (7 mi) W of El Cajon (pop: 103,700) --> See nearby quakes!
13 km (8 mi) SSE of Mira Mesa (pop: 70,000) --> See nearby quakes!
13 km (8 mi) NE of San Diego (pop: 1,394,900) --> See nearby quakes!
15 km (9 mi) N of National City (pop: 61,100) --> See nearby quakes!
17 km (11 mi) SSE of Rancho Penasquitos (pop: 60,000) --> See nearby quakes!
19 km (12 mi) N of Chula Vista (pop: 265,800) --> See nearby quakes!
756 km (469 mi) SE of Sacramento (pop: 490,700) --> See nearby quakes!
Primary data source: VolcanoDiscovery
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User reports for this quake (5)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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La Mesa, San Diego, California (3.5 km E of epicenter) [Map] / Very weak shaking (MMI II) / vertical swinging (up and down) / 1-2 minutes : Felt almost like waves in there ocean but very small. Was upstairs  
Near Mission Valley, San Diego (9.5 km SW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging
San Diego, ca (15.4 km SSW of epicenter) [Map] / not felt (reported through our app)
Santee (8.9 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : My door started rattling and squeaking. It woke me up and I felt the shaking in my fingers first then as I heard the rattling get closer it shook my entire bed and window.  
Santee (8.9 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : My door started rattling and squeaking. It woke me up and I felt the shaking in my fingers first then as I heard the rattling get closer it shook my entire bed and window.  
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