Strong mag. 5.5 earthquake - 7.3 mi east of Milpitas, Santa Clara County, California, USA, on Wednesday, 31 October 2007 at 03:04 (GMT)

Strong mag. 5.5 earthquake - 7.3 mi east of Milpitas, Santa Clara County, California, USA, on Wednesday, 31 October 2007 at 03:04 (GMT)

Strong magnitude 5.5 earthquake at 10 km depth

Date & time: 31 Oct 2007 03:04:54 UTC
Magnitude: 5.5
Depth: 9.7 km
Epicenter latitude / longitude: 37.4335°N / 121.77433°W (Santa Clara County, California, United States)
Nearest volcano: Clear Lake (192 km / 119 mi)
Nearby towns and cities:
7 km (4 mi) NNE of East Foothills (pop: 8,270) --> See nearby quakes!
12 km (7 mi) E of Milpitas (pop: 77,600) --> See nearby quakes!
15 km (9 mi) NE of San Jose (pop: 1,026,900) --> See nearby quakes!
18 km (11 mi) ENE of Santa Clara (pop: 126,200) --> See nearby quakes!
23 km (14 mi) ESE of Fremont (pop: 232,200) --> See nearby quakes!
24 km (15 mi) ENE of Sunnyvale (pop: 151,800) --> See nearby quakes!
27 km (17 mi) SSE of Pleasanton (pop: 79,500) --> See nearby quakes!
28 km (17 mi) S of Nottingham (pop: 88,100) --> See nearby quakes!
68 km (42 mi) ESE of San Francisco (pop: 864,800) --> See nearby quakes!
130 km (81 mi) S of Sacramento (pop: 490,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 atomic bombs!) 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.
MagnitudeDepthLocationSource
M 5.59.7 kmSan Francisco Bay area, 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.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks

More info
Recorded aftershocks, latest first (224 quakes):
  • 29 Dec 2007 23:40 UTC
    | M 1.6 |
    3.8 km (2.4 mi) depth
    |
    4 km (2 mi) distance
    | USGS | Details
  • 29 Dec 2007 16:05 UTC
    | M 1.3 |
    4.7 km (2.9 mi) depth
    |
    4 km (2 mi) distance
    | USGS | Details
  • 28 Dec 2007 11:10 UTC
    | M 1.0 |
    7.7 km (4.8 mi) depth
    |
    7 km (4 mi) distance
    | USGS | Details
  • 28 Dec 2007 03:48 UTC
    | M 1.0 |
    3.5 km (2.2 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Details
  • 28 Dec 2007 01:37 UTC
    | M 1.3 |
    6.2 km (3.9 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 27 Dec 2007 23:36 UTC
    | M 1.0 |
    7.1 km (4.4 mi) depth
    |
    0 km (0 mi) distance
    | USGS | Details
  • 27 Dec 2007 18:01 UTC
    | M 1.7 |
    -0.3 km (-0.2 mi) depth
    |
    32 km (20 mi) distance
    | USGS | Details
  • 27 Dec 2007 09:42 UTC
    | M 1.3 |
    6.8 km (4.2 mi) depth
    |
    11 km (7 mi) distance
    | USGS | Details
  • 27 Dec 2007 08:57 UTC
    | M 1.6 |
    2.7 km (1.7 mi) depth
    |
    12 km (7 mi) distance
    | USGS | Details
  • 27 Dec 2007 02:37 UTC
    | M 1.1 |
    4.1 km (2.5 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 26 Dec 2007 16:33 UTC
    | M 1.5 |
    10.1 km (6.3 mi) depth
    |
    1 km (1 mi) distance
    | USGS | Details
  • 26 Dec 2007 10:33 UTC
    | M 1.8 |
    6.8 km (4.2 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 26 Dec 2007 07:47 UTC
    | M 1.1 |
    4 km (2.5 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Details
  • 25 Dec 2007 17:36 UTC
    | M 1.0 |
    6 km (3.7 mi) depth
    |
    8 km (5 mi) distance
    | USGS | Details
  • 25 Dec 2007 14:47 UTC
    | M 1.0 |
    3.9 km (2.4 mi) depth
    |
    4 km (3 mi) distance
    | USGS | Details
  • 25 Dec 2007 06:56 UTC
    | M 1.0 |
    4.1 km (2.5 mi) depth
    |
    4 km (2 mi) distance
    | USGS | Details
    • Show all

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Earlier earthquakes in the same area since 1900


Map of earlier quakes

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