California earthquakes

M1.9 earthquake 36 km E of Hydesville, CA

A magnitude 1.9 earthquake struck 36 km E of Hydesville, CA on Wed, Sep 16, 2026, 1:07 AM PDT (08:07 UTC), 19 km (12 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M3.5 20 km WSW of Petrolia, CA. This one was a foreshock.

Hydesville forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.9 (md), micro
Local time
UTC
2026-09-16 08:07:09 UTC
Depth
19.5 km (12.1 mi), shallow
Epicenter
40.565° N, 123.673° W
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located

An automatic solution; a seismologist may revise it.

Location uncertainty
About 0.8 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
108°
Stations used
17

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 13 since this one and 39 in the 30 days before it.

After

  1. 3.520 km WSW of Petrolia, CA · 6 days ago · 20 km deep · 78 km away · felt by 18
  2. 2.126 km W of Petrolia, CA · 6 days ago · 21 km deep · 83 km away
  3. 1.729 km N of Redway, CA · 6 days ago · 28 km deep · 23 km away
  4. 2.220 km W of Petrolia, CA · 6 days ago · 10 km deep · 78 km away
  5. 2.617 km W of Petrolia, CA · 5 days ago · 9 km deep · 75 km away
  6. 1.83 km SE of Redway, CA · 4 days ago · 19 km deep · 53 km away
  7. 2.415 km WSW of Petrolia, CA · 4 days ago · 13 km deep · 73 km away
  8. 1.512 km W of Petrolia, CA · 4 days ago · 10 km deep · 70 km away
  9. 3.021 km WSW of Petrolia, CA · 27 hr ago · 6 km deep · 79 km away · felt by 2
  10. 1.813 km W of Petrolia, CA · 26 hr ago · 9 km deep · 71 km away
  11. 2.521 km W of Petrolia, CA · 23 hr ago · 10 km deep · 79 km away
  12. 2.647 km WNW of Petrolia, CA · 6 hr ago · 26 km deep · 96 km away
  13. 2.540 km W of Petrolia, CA · 3 hr ago · 2 km deep · 94 km away

Before

  1. 3.317 km WSW of Petrolia, CA · 8 days ago · 9 km deep · 75 km away · felt by 2
  2. 2.014 km W of Petrolia, CA · 8 days ago · 10 km deep · 71 km away
  3. 2.67 km E of Hydesville, CA · 8 days ago · 24 km deep · 29 km away · felt by 3
  4. 1.823 km W of Petrolia, CA · 9 days ago · 24 km deep · 80 km away
  5. 2.524 km SW of Petrolia, CA · 11 days ago · 0 km deep · 81 km away
  6. 2.512 km W of Bayview, CA · 12 days ago · 27 km deep · 60 km away
  7. 2.122 km W of Petrolia, CA · 13 days ago · 21 km deep · 79 km away
  8. 3.621 km W of Petrolia, CA · 13 days ago · 20 km deep · 79 km away · felt by 8
  9. 3.820 km WSW of Petrolia, CA · 13 days ago · 20 km deep · 78 km away · felt by 24
  10. 1.68 km NW of Petrolia, CA · 13 days ago · 24 km deep · 61 km away
  11. 1.64 km ESE of Redway, CA · 14 days ago · 23 km deep · 52 km away
  12. 1.64 km NE of Petrolia, CA · 14 days ago · 28 km deep · 55 km away
  13. 3.736 km E of Hydesville, CA · 15 days ago · 24 km deep · 0 km away · felt by 15
  14. 2.29 km WSW of Petrolia, CA · 15 days ago · 14 km deep · 67 km away · felt by 1
  15. 2.019 km NNW of Shelter Cove, CA · 16 days ago · 14 km deep · 56 km away
  16. 1.815 km SE of Petrolia, CA · 19 days ago · 13 km deep · 54 km away
  17. 2.231 km W of Petrolia, CA · 19 days ago · 18 km deep · 87 km away
  18. 1.916 km SSE of Willow Creek, CA · 19 days ago · 20 km deep · 30 km away
  19. 2.615 km SE of Petrolia, CA · 19 days ago · 12 km deep · 57 km away · felt by 1
  20. 2.017 km WNW of Cape Vizcaino, CA · 21 days ago · 1 km deep · 91 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc75436462. Read Tue, Sep 22, 2026, 9:41 PM UTC.