Strong mag. 5.2 earthquake - 25 mi east of San Bernardino, California, USA, on Monday, August 17, 1992 at 20:41 (GMT)

Strong mag. 5.2 earthquake - 25 mi east of San Bernardino, California, USA, on Monday, August 17, 1992 at 20:41 (GMT)

Strong magnitude 5.2 earthquake at 9 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Aug 17, 1992 20:41:52 UTC
Magnitude: 5.2
Depth: 9.4 km
Epicenter latitude / longitude: 34.195°N / 116.863°W (San Bernardino, California, United States)
Antipode: 34.195°S / 63.137°E
Nearest volcano: Lavic Lake (65 km / 40 mi)
Nearby towns and cities:
8 km (5 mi) SSW of Big Bear (San Bernardino County) (pop: 12,300) --> See nearby quakes!
24 km (15 mi) NE of Yucaipa (pop: 53,300) --> See nearby quakes!
33 km (20 mi) ENE of Highland (pop: 54,900) --> See nearby quakes!
33 km (21 mi) ENE of Redlands (pop: 71,000) --> See nearby quakes!
40 km (25 mi) ENE of San Bernardino (pop: 216,100) --> See nearby quakes!
44 km (28 mi) NE of Moreno Valley (pop: 204,200) --> See nearby quakes!
48 km (30 mi) ENE of Rialto (pop: 103,100) --> See nearby quakes!
128 km (80 mi) E of Los Angeles (pop: 3,971,900) --> See nearby quakes!
167 km (104 mi) N of San Diego (pop: 1,394,900) --> See nearby quakes!
640 km (398 mi) SE of Sacramento (pop: 490,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4 x 1012 joules (1.11 gigawatt hours, equivalent to 951 tons of TNT) 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
5.29.4 km7km SE of Big Bear Lake, California (USA)USGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Aftershocks

[More info]

Recorded aftershocks, latest first (997 quakes)

  • 16 Oct 1992 17:58 UTC
    | M 1.8 |
    3.4 km (2.1 mi) depth
    |
    12 km (8 mi) distance
    | USGS | Details
  • 16 Oct 1992 14:08 UTC
    | M 1.7 |
    7.8 km (4.8 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Details
  • 16 Oct 1992 08:09 UTC
    | M 2.4 |
    6.5 km (4 mi) depth
    |
    22 km (14 mi) distance
    | USGS | Details
  • 16 Oct 1992 05:22 UTC
    | M 1.5 |
    5.2 km (3.2 mi) depth
    |
    22 km (14 mi) distance
    | USGS | Details
  • 15 Oct 1992 23:01 UTC
    | M 1.7 |
    -1.1 km (-0.7 mi) depth
    |
    4 km (3 mi) distance
    | USGS | Details
  • 15 Oct 1992 22:18 UTC
    | M 2.1 |
    4.3 km (2.7 mi) depth
    |
    2 km (1 mi) distance
    | USGS | Details
  • 15 Oct 1992 18:08 UTC
    | M 1.7 |
    -2.2 km (-1.4 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 15 Oct 1992 17:13 UTC
    | M 1.3 |
    7.3 km (4.5 mi) depth
    |
    6 km (3 mi) distance
    | USGS | Details
  • 15 Oct 1992 11:12 UTC
    | M 1.6 |
    4 km (2.5 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 15 Oct 1992 10:21 UTC
    | M 2.2 |
    5 km (3.1 mi) depth
    |
    12 km (7 mi) distance
    | USGS | Details
  • 15 Oct 1992 06:32 UTC
    | M 1.6 |
    2.9 km (1.8 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 15 Oct 1992 05:52 UTC
    | M 2.0 |
    9.6 km (6 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details
  • 15 Oct 1992 04:19 UTC
    | M 2.1 |
    2.7 km (1.7 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 15 Oct 1992 02:52 UTC
    | M 2.1 |
    2.8 km (1.7 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 15 Oct 1992 01:23 UTC
    | M 2.0 |
    3 km (1.9 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 15 Oct 1992 00:31 UTC
    | M 1.8 |
    1 km (0.6 mi) depth
    |
    12 km (7 mi) distance
    | USGS | Details
  • Show all

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