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Latest quakes in or near Saint Helena, California, USA, in the past 24 hours on Tuesday, March 19, 2024 - list, stats and map

Overview

Latest quake today
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Mag. 0.8 earthquake United States, Sonoma County, California -
Strongest todayMag. 2.3 Lake County, Mendocino County, California -
Updated: Mar 19, 2024 03:45 GMT -
Find all latest earthquakes in or near Saint Helena, California, USA, in our list below, updated every minute! Events are often reported within minutes. If you just felt a quake near Saint Helena, find out which quakes are happening right now!
In the past 24 hours, Saint Helena has had 60 quakes of magnitudes up to 2.3 within up to 100 km (63 mi) distance:
  • 3 quakes above magnitude 2
  • 57 quakes below magnitude 2 that people normally don't feel.
Latest today: Mag. 0.8 Earthquake United States, 26 mi N of Santa Rosa, Sonoma County, California -
Strongest today: Mag. 2.3 Earthquake Lake County, United States, 25 mi NE of Ukiah, Mendocino County, California -

Number of quakes per year

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Showing most recent quakes and quakes magnitude 0.5 or higher, within up to 100 km (62 mi) distance (60 quakes):
Date and TimeMag
Depth
Nearest VolcanoLocationDetailsMap
Mar 18, 08:21 pm (Los Angeles)
Mar 19, 03:21 GMT
0.8

1.7 km
43 km (27 mi) to the NW United States, 26 mi north of Santa Rosa, Sonoma County, California Info
Mar 18, 08:15 pm (Los Angeles)
Mar 19, 03:15 GMT
1.1

2.7 km
41 km (25 mi) to the NW United States, 24 mi north of Santa Rosa, Sonoma County, California Info
Mar 18, 07:54 pm (Los Angeles)
Mar 19, 02:54 GMT
0.8

0.9 km
41 km (25 mi) to the NW United States, 25 mi north of Santa Rosa, Sonoma County, California Info
Mar 18, 07:43 pm (Los Angeles)
Mar 19, 02:43 GMT
1.1

1.9 km
45 km (28 mi) to the NW United States, 26 mi north of Santa Rosa, Sonoma County, California Info
Mar 18, 06:59 pm (Los Angeles)
Mar 19, 01:59 GMT
0.7

1.8 km
42 km (26 mi) to the NW United States, 25 mi north of Santa Rosa, Sonoma County, California Info
Mar 18, 06:51 pm (Los Angeles)
Mar 19, 01:51 GMT
0.8

2.5 km
44 km (27 mi) to the NW United States, 25 mi north of Santa Rosa, Sonoma County, California Info
Mar 18, 06:18 pm (Los Angeles)
Mar 19, 01:18 GMT
1.0

2.2 km
47 km (29 mi) to the NW United States, 28 mi north of Santa Rosa, Sonoma County, California Info
Mar 18, 05:58 pm (Los Angeles)
Mar 19, 00:58 GMT
1.1

1.9 km
46 km (29 mi) to the NW United States, 26 mi north of Santa Rosa, Sonoma County, California Info
Mar 18, 05:58 pm (Los Angeles)
Mar 19, 00:58 GMT
1.1

1.9 km
46 km (29 mi) to the NW United States, 26 mi north of Santa Rosa, Sonoma County, California Info
Mar 18, 05:35 pm (Los Angeles)
Mar 19, 00:35 GMT
0.9

2 km
44 km (27 mi) to the NW United States, 25 mi north of Santa Rosa, Sonoma County, California Info
Mar 18, 05:32 pm (Los Angeles)
Mar 19, 00:32 GMT
1.0

2 km
44 km (27 mi) to the NW United States, 25 mi north of Santa Rosa, Sonoma County, California Info
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About these data
Estimated combined seismic energy released: 5.9 x 108 joules (163 kilowatt hours, equivalent to 0.14 tons of TNT) | about seismic energy

Saint Helena Quake-O-Meter

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Earthquake statistics

Average number of earthquakes

Based on data from the past 10 years and our earthquake archive back to 1900, there are about 12,000 quakes on average per year in or near Saint Helena, California, USA:
  • Mag. 6 or higher: 0.02 quakes per year (or 1 quake every 41.7 years)
  • Mag. 5 or higher: 0.22 quakes per year (or 1 quake every 4.5 years)
  • Mag. 4 or higher: 3.1 quakes per year
  • Mag. 3 or higher: 28.9 quakes per year
  • Mag. 2 or higher: 420 quakes per year (or 35 quakes per month)
  • Mag. 1 or higher: 4,500 quakes per year (or 12.3 quakes per day)
Saint Helena has a high level of seismic activity. Saint Helena has had at least 3 quakes above magnitude 6 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 40 to 45 years.

Number of earthquakes over time

Past 90 days
30 days
7 days
24 hours
2023
2024 so far
Number of earthquakes over time: Past 90 days
Number of earthquakes over time: 30 days
Number of earthquakes over time: 7 days
Number of earthquakes over time: 24 hours
Number of earthquakes over time: 2023
Number of earthquakes over time: 2024 so far
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