
Minor magnitude 1.6 earthquake at 19 km depth
28 Mar 20:59 UTC: First to report: USGS after 3 minutes.
28 Mar 21:00: Hypocenter depth recalculated from 16.8 to 18.5 km (from 10.4 to 11.5 mi). Epicenter location corrected by 1.7 km (1.1 mi) towards S.
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Date & time: 28 Mar 2021 20:57:08 UTC –
Local time at epicenter: Sunday, 28 Mar 2021 1:57 pm (GMT -7)
Magnitude: 1.6
Depth: 18.5 km
Epicenter latitude / longitude: 32.60817°N / 116.3175°W (California, United States)
Nearest volcano: Salton Buttes (93 km / 58 mi)
Nearby towns and cities:
12 km (7 mi) W of Jacumba Hot Springs (pop: 561) –> See nearby quakes!
29 km (18 mi) E of Tecate (Baja California, Mexico) (pop: 64,800) –> See nearby quakes!
64 km (40 mi) ESE of El Cajon (pop: 103,700) –> See nearby quakes!
67 km (41 mi) ESE of Santee (pop: 57,800) –> See nearby quakes!
68 km (42 mi) ESE of La Mesa (pop: 60,100) –> See nearby quakes!
72 km (45 mi) E of Chula Vista (pop: 265,800) –> See nearby quakes!
74 km (46 mi) E of National City (pop: 61,100) –> See nearby quakes!
78 km (48 mi) ESE of Poway (pop: 50,200) –> See nearby quakes!
84 km (52 mi) ESE of Rancho Penasquitos (pop: 60,000) –> See nearby quakes!
92 km (57 mi) SE of Escondido (pop: 151,500) –> See nearby quakes!
Clear Sky

Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.6 x 107 joules (4.4 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.
Magnitude | Depth | Location | Source |
1.6 | 19 km | 14km E of Campo, CA, USA | USGS |
User reports for this quake
At magnitude 1.6, such a quake wouldn’t normally be felt by people, but could be recorded instrumentally.
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