Mag. 1.4 earthquake - - 6km W of Cobb, CA, on 2018-09-24 21:46:50 -08:00
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Minor magnitude 1.4 earthquake at 3 km depth
25 Sep 05:49 UTC: First to report: USGS after 2 minutes.
Hypocenter depth recalculated from 2.4 to 3.0 km.
Hypocenter depth recalculated from 2.4 to 3.0 km.
Local time at epicenter: 2018-09-24 21:46:50 -08:00
Magnitude: 1.4
Depth: 3.0 km
Epicenter latitude / longitude: 38.82483°N / 122.79517°W

Nearest volcano: Clear Lake (16 km / 10 mi)
Nearby towns and cities:
6 km (4 mi) W of Cobb (pop: 1,780) --> See nearby quakes!
21 km (13 mi) SW of Clearlake (Lake County) (pop: 15,200) --> See nearby quakes!
26 km (16 mi) SSE of Tuckertown (pop: 4,810) --> See nearby quakes!
43 km (27 mi) N of Santa Rosa (pop: 175,000) --> See nearby quakes!
51 km (32 mi) SE of Ukiah (pop: 15,900) --> See nearby quakes!
74 km (46 mi) NW of Napa (pop: 80,400) --> See nearby quakes!
90 km (56 mi) W of Woodland (pop: 58,600) --> See nearby quakes!
92 km (57 mi) NW of Fairfield (pop: 113,000) --> See nearby quakes!
94 km (58 mi) SSW of Willows (Glenn County) (pop: 6,070) --> See nearby quakes!
97 km (61 mi) NNW of San Rafael (pop: 59,200) --> See nearby quakes!
107 km (66 mi) NNW of Martinez (pop: 38,100) --> See nearby quakes!
3920 km (2436 mi) WNW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
3920 km (2436 mi) WNW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.9 x 106 joules (2.21 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 |
M 1.4 | 3 km | - 6km W of Cobb, CA | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 1.4, this quake was too small to be felt by humans, but it was recorded instrumentally.