Minor mag. 1.8 earthquake - 5.3 mi east of Mammoth Lakes, California, USA, on Saturday, 28 Nov 2020 8:47 am (GMT -8) -
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US| California
Minor magnitude 1.8 earthquake at 6 km depth
28 Nov 16:50 UTC: First to report: USGS after 3 minutes.
28 Nov 19:36: Hypocenter depth recalculated from 5.8 to 6.3 km (from 3.6 to 3.9 mi). Epicenter location corrected by 1.7 km (1.1 mi) towards SSW.
28 Nov 19:36: Hypocenter depth recalculated from 5.8 to 6.3 km (from 3.6 to 3.9 mi). Epicenter location corrected by 1.7 km (1.1 mi) towards SSW.
Date & time: 28 Nov 2020 16:47:28 UTC -
Local time at epicenter: Saturday, 28 Nov 2020 8:47 am (GMT -8)
Magnitude: 1.8
Depth: 6.3 km
Epicenter latitude / longitude: 37.6215°N / 118.88183°W
(Mono County, California, United States)Nearest volcano: Long Valley (7 km / 4 mi)
Nearby towns and cities:
8 km (5 mi) ESE of Mammoth Lakes (pop: 7,950) --> See nearby quakes!
115 km (71 mi) NE of Clovis (pop: 104,200) --> See nearby quakes!
118 km (73 mi) NNE of Sanger (Fresno County) (pop: 25,000) --> See nearby quakes!
125 km (77 mi) NNE of Reedley (Fresno County) (pop: 25,600) --> See nearby quakes!
125 km (78 mi) NE of Fresno (pop: 520,100) --> See nearby quakes!
128 km (79 mi) NE of Madera (pop: 64,200) --> See nearby quakes!
146 km (91 mi) ENE of Merced (pop: 82,400) --> See nearby quakes!
148 km (92 mi) NNE of Visalia (pop: 130,100) --> See nearby quakes!
159 km (99 mi) NNE of Hanford (pop: 55,700) --> See nearby quakes!
252 km (157 mi) ESE of Sacramento (pop: 490,700) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
1.2°C (34 F), humidity: 45%, wind: 1 m/s (2 kts) from SW
Primary data source: USGS (United States Geological Survey)Clear Sky
1.2°C (34 F), humidity: 45%, wind: 1 m/s (2 kts) from SWEstimated released energy: 3.2 x 107 joules (8.78 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 1.8 | 6.3 km | 9km E of Mammoth Lakes, 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 1.8, this quake was too small to be felt by humans, but it was recorded instrumentally.
