Minor mag. 1.7 earthquake - 6km W of Holtville, CA, USA, on Tuesday, 23 Feb 2021 7:08 pm (GMT -8) -
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Minor magnitude 1.7 earthquake at 12 km depth
24 Feb 03:12 UTC: First to report: USGS after 4 minutes.
24 Feb 05:14: Hypocenter depth recalculated from 14.0 to 11.9 km (from 8.7 to 7.4 mi). Epicenter location corrected by 5.6 km (3.5 mi) towards WNW.
24 Feb 05:14: Hypocenter depth recalculated from 14.0 to 11.9 km (from 8.7 to 7.4 mi). Epicenter location corrected by 5.6 km (3.5 mi) towards WNW.
Date & time: 24 Feb 2021 03:08:50 UTC -
Local time at epicenter: Tuesday, 23 Feb 2021 7:08 pm (GMT -8)
Magnitude: 1.7
Depth: 11.9 km
Epicenter latitude / longitude: 32.80667°N / 115.45017°W
(California, United States)Nearest volcano: Salton Buttes (51 km / 32 mi)
Nearby towns and cities:
7 km (4 mi) W of Holtville (pop: 6,400) --> See nearby quakes!
11 km (7 mi) E of El Centro (pop: 44,000) --> See nearby quakes!
12 km (7 mi) ESE of Imperial (pop: 17,100) --> See nearby quakes!
15 km (9 mi) NNE of Calexico (pop: 40,100) --> See nearby quakes!
20 km (12 mi) N of Mexicali (Baja California, Mexico) (pop: 689,800) --> See nearby quakes!
21 km (13 mi) SSE of Brawley (Imperial County) (pop: 25,900) --> See nearby quakes!
23 km (14 mi) E of Seeley (Imperial County) (pop: 1,740) --> See nearby quakes!
23 km (14 mi) NNE of Santa Isabel (Baja California, Mexico) (pop: 29,300) --> See nearby quakes!
28 km (18 mi) NNW of Puebla (Baja California, Mexico) (pop: 15,200) --> See nearby quakes!
36 km (22 mi) S of Calipatria (pop: 7,420) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
20.3°C (69 F), humidity: 21%, wind: 2 m/s (3 kts) from S
Primary data source: USGS (United States Geological Survey)Clear Sky
20.3°C (69 F), humidity: 21%, wind: 2 m/s (3 kts) from SEstimated released energy: 2.2 x 107 joules (6.22 kilowatt hours) More info
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 |
| 1.7 | 12 km | 6km W of Holtville, CA, USA | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 1.7, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
