M1.5 earthquake 7 km ENE of Floriston, California
A magnitude 1.5 earthquake struck 7 km ENE of Floriston, California on Sun, Sep 19, 2021, 7:24 PM PDT (02:24 UTC), 7 km (5 mi) below the surface.
A larger quake followed: M3.1 14km SSW of Loyalton, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.5 (ML, local (Richter)), micro
- Magnitude from
- Nevada Seismological Laboratory
- Local time
- UTC
- 2021-09-20 02:24:40 UTC
- Depth
- 7.3 km (4.5 mi), shallow
- Epicenter
- 39.411° N, 119.937° W
- Region
- Nevada
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.

How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.26
- Station coverage gap
- 49°
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 13 in the 30 days before it.
After
- 1.914 km NNW of Sutcliffe, Nevada · 1840 days ago · 11 km deep · 76 km away
- 1.57 km W of Mesa Vista, California · 1838 days ago · 13 km deep · 66 km away
- 2.17 km ENE of Floriston, California · 1837 days ago · 9 km deep · 0 km away
- 1.916 km NNW of Sutcliffe, Nevada · 1835 days ago · 14 km deep · 77 km away
- 1.58 km NE of Topaz, California · 1830 days ago · 12 km deep · 94 km away
- 2.029 km NW of Sutcliffe, Nevada · 1823 days ago · 4 km deep · 85 km away
- 2.37 km WNW of Topaz Ranch Estates, Nevada · 1821 days ago · 10 km deep · 78 km away
- 1.78 km NNW of Sutcliffe, Nevada · 1818 days ago · 7 km deep · 72 km away
- 3.114km SSW of Loyalton, CA · 1807 days ago · 6 km deep · 36 km away · felt by 16
- 1.818 km SW of Fallon Station, Nevada · 1807 days ago · 6 km deep · 91 km away
- 2.16km SW of Cromberg, CA · 1804 days ago · 2 km deep · 85 km away
- 2.07km SE of Markleeville, CA · 1803 days ago · -2 km deep · 87 km away · felt by 8
- 2.75km ENE of East Quincy, CA · 1801 days ago · 5 km deep · 98 km away · felt by 7
- 1.514 km NNW of Sutcliffe, Nevada · 1797 days ago · 14 km deep · 76 km away
- 2.215km SE of Honey Lake, CA · 1787 days ago · 3 km deep · 85 km away
- 2.23km WSW of Cromberg, CA · 1786 days ago · -2 km deep · 85 km away
- 2.16km N of Tahoe Vista, CA · 1786 days ago · -1 km deep · 16 km away
- 2.314 km NNW of Sutcliffe, Nevada · 1785 days ago · 11 km deep · 77 km away
Before
- 1.94 km N of Carter Springs, Nevada · 1841 days ago · 4 km deep · 62 km away
- 1.911 km E of Sparks, Nevada · 1847 days ago · 2 km deep · 30 km away
- 1.94 km N of Carter Springs, Nevada · 1848 days ago · 4 km deep · 63 km away · felt by 2
- 1.85 km SSW of Dayton, Nevada · 1851 days ago · 5 km deep · 36 km away
- 1.94 km S of Virginia City, Nevada · 1851 days ago · 12 km deep · 29 km away
- 2.630 km E of Nixon, Nevada · 1855 days ago · 15 km deep · 94 km away · felt by 3
- 2.811km NNE of Lake Davis, CA · 1858 days ago · 12 km deep · 75 km away · felt by 13
- 1.94 km SSE of Floriston, California · 1858 days ago · 8 km deep · 8 km away
- 2.017 km ESE of Spanish Springs, Nevada · 1859 days ago · 11 km deep · 40 km away
- 1.529 km E of Herlong, California · 1861 days ago · 6 km deep · 87 km away
- 1.53 km SSE of Floriston, California · 1863 days ago · 7 km deep · 8 km away
- 1.510 km ENE of Doyle, California · 1863 days ago · 9 km deep · 72 km away
- 1.735km WNW of Truckee, CA · 1865 days ago · 7 km deep · 56 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nn00822769. Read Mon, Oct 5, 2026, 2:43 AM UTC.