Minor mag. 1.3 earthquake - 13km SSE of Alpine, CA, on Thursday, 17 June 2021 at 02:27 (GMT) -

Minor mag. 1.3 earthquake - 13km SSE of Alpine, CA, on Thursday, 17 June 2021 at 02:27 (GMT)

Minor magnitude 1.3 earthquake at 14 km depth

17 Jun 02:30 UTC: First to report: USGS after 3 minutes.
17 Jun 02:31: Magnitude recalculated from 1.5 to 1.3. Hypocenter depth recalculated from 13.5 to 13.9 km (from 8.4 to 8.6 mi).
Date & time: 17 Jun 2021 02:27:50 UTC -
Magnitude: 1.3
Depth: 13.9 km
Epicenter latitude / longitude: 32.72517°N / 116.7325°W (California, United States)
Nearest volcano: Salton Buttes (116 km / 72 mi)
Nearby towns and cities:
13 km (8 mi) SSE of Alpine (San Diego County) (pop: 14,200) --> See nearby quakes!
19 km (12 mi) E of Rancho San Diego (pop: 21,200) --> See nearby quakes!
21 km (13 mi) ESE of Bostonia (San Diego County) (pop: 15,400) --> See nearby quakes!
22 km (14 mi) ESE of Winter Gardens (San Diego County) (pop: 20,600) --> See nearby quakes!
23 km (14 mi) E of Casa de Oro-Mount Helix (San Diego County) (pop: 18,800) --> See nearby quakes!
23 km (14 mi) ESE of El Cajon (pop: 103,700) --> See nearby quakes!
23 km (14 mi) SE of Lakeside (San Diego County) (pop: 20,600) --> See nearby quakes!
25 km (15 mi) E of La Presa (San Diego County) (pop: 34,200) --> See nearby quakes!
34 km (21 mi) ENE of Chula Vista (pop: 265,800) --> See nearby quakes!
40 km (25 mi) E of San Diego (pop: 1,394,900) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 106 joules (1.56 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
1.314 km13km SSE of Alpine, CAUSGS

User reports for this quake

At magnitude 1.3, 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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