Event status: uncertain, preliminary [?]

Unconfirmed earthquake or seismic-like event: 3.1 mi west of San Diego, California, USA, Sunday, July, 4 2021 02:22 GMT -

Unconfirmed earthquake or seismic-like event: 3.1 mi west of San Diego, California, USA, Sunday, July, 4 2021 02:22 GMT
4 Jul 02:25 UTC: First to report: VolcanoDiscovery after 3 minutes.
Date & time: Jul 4, 2021 02:22:35 UTC -
Magnitude: unknown
Depth: 10.0 km
Epicenter latitude / longitude: 32.71798°N / 117.21863°W (California, United States)
Antipode: 32.718°S / 62.781°E
Nearest volcano: Salton Buttes (159 km / 99 mi)
Nearby towns and cities:
5 km (3 mi) NW of Coronado (San Diego County, California) (pop: 24,800) --> See nearby quakes!
5 km (3 mi) W of San Diego (California) (pop: 1,394,900) --> See nearby quakes!
12 km (7 mi) WNW of National City (California) (pop: 61,100) --> See nearby quakes!
15 km (9 mi) NW of Chula Vista (California) (pop: 265,800) --> See nearby quakes!
15 km (10 mi) SSE of La Jolla (California) (pop: 42,800) --> See nearby quakes!
18 km (11 mi) NW of Imperial Beach (San Diego County, California) (pop: 27,400) --> See nearby quakes!
19 km (12 mi) WSW of La Mesa (California) (pop: 60,100) --> See nearby quakes!
23 km (14 mi) SSW of Mira Mesa (California) (pop: 70,000) --> See nearby quakes!
25 km (16 mi) WSW of El Cajon (California) (pop: 103,700) --> See nearby quakes!
27 km (16 mi) WSW of Santee (California) (pop: 57,800) --> See nearby quakes!
Primary data source: VolcanoDiscovery
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User reports for this quake (9)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Vista, San Diego, California (54.1 km N of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 5-10 s
San Diego / Moderate shaking (MMI V) / single lateral shake : A strong shake  
Puerto Vallarta, Mexico / Very weak shaking (MMI II) / simple rolling (tilting sideways along one direction) / 15-20 s : I was lying on the bed in my hotel room, and the bed started shaking. It was more like a light moving back and forth of the building. My wife did not feel it because she was walking around.  
Sayulita Kaiser exc / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Table shskig  
Puerto vallarta / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Sayulita / Weak shaking (MMI III) / vibration and rolling / several minutes : Shaking bed and lamp  
Puerrto Vallarta, Mexico / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : It was very mild ahaking  
Puerto Vallarta (1789 km SE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 30-60 s
San Diego, ca (0 km SSE of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 1-2 s : Two large shakes, a few seconds apart  
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