California earthquakes

M1.9 earthquake 19km SSW of Bootjack, CA

A magnitude 1.9 earthquake struck 19km SSW of Bootjack, CA on Mon, Dec 16, 2019, 1:01 PM PST (21:01 UTC), 31 km (19 mi) below the surface.

A larger quake followed: M2.8 10km N of North Fork, CA. This one was a foreshock.

Bootjack forecastMore in California

Map

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

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The earthquake

Magnitude
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2019-12-16 21:01:35 UTC
Depth
31.3 km (19.5 mi), shallow
Epicenter
37.296° N, 119.953° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.5 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.27
Depth from
From location
Station coverage gap
95°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 40 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 1.617km SE of Yosemite Valley, CA · 2482 days ago · 19 km deep · 61 km away
  2. 1.77km SE of Mammoth Lakes, CA · 2480 days ago · 2 km deep · 97 km away
  3. 2.310km W of Ahwahnee, CA · 2475 days ago · 29 km deep · 13 km away
  4. 2.329km S of Mammoth Lakes, CA · 2471 days ago · 7 km deep · 82 km away
  5. 1.629km S of Mammoth Lakes, CA · 2471 days ago · 7 km deep · 82 km away
  6. 1.629km S of Mammoth Lakes, CA · 2471 days ago · 6 km deep · 82 km away
  7. 1.629km S of Mammoth Lakes, CA · 2471 days ago · 7 km deep · 82 km away
  8. 2.36km S of Shaver Lake, CA · 2470 days ago · 43 km deep · 64 km away
  9. 1.74km E of Mammoth Lakes, CA · 2469 days ago · 6 km deep · 98 km away
  10. 1.924km SE of Yosemite Valley, CA · 2468 days ago · 17 km deep · 64 km away
  11. 1.67km ESE of Coarsegold, CA · 2468 days ago · 21 km deep · 30 km away
  12. 2.34km E of Mammoth Lakes, CA · 2467 days ago · 6 km deep · 98 km away
  13. 1.84km E of Mammoth Lakes, CA · 2467 days ago · 5 km deep · 98 km away
  14. 2.24km E of Mammoth Lakes, CA · 2467 days ago · 6 km deep · 97 km away
  15. 1.64km E of Mammoth Lakes, CA · 2467 days ago · 6 km deep · 98 km away
  16. 1.822km SW of Toms Place, CA · 2466 days ago · 3 km deep · 96 km away
  17. 1.522km SW of Toms Place, CA · 2466 days ago · 4 km deep · 96 km away
  18. 1.914km SSW of Bootjack, CA · 2465 days ago · 23 km deep · 7 km away
  19. 1.74km W of Mammoth Lakes, CA · 2460 days ago · 1 km deep · 90 km away
  20. 1.618km SW of Toms Place, CA · 2457 days ago · 5 km deep · 100 km away
  21. 1.63km E of Mammoth Lakes, CA · 2450 days ago · 5 km deep · 97 km away
  22. 2.14km WSW of Mammoth Lakes, CA · 2449 days ago · 0 km deep · 90 km away
  23. 2.810km N of North Fork, CA · 2448 days ago · 40 km deep · 37 km away · felt by 1
  24. 1.620km SE of Yosemite Valley, CA · 2446 days ago · 7 km deep · 63 km away
  25. 2.08km WSW of Mariposa, CA · 2446 days ago · 33 km deep · 19 km away
  26. 1.96km E of Mammoth Lakes, CA · 2443 days ago · 6 km deep · 99 km away
  27. 2.518km SE of Groveland-Big Oak Flat, CA · 2442 days ago · 29 km deep · 48 km away · felt by 6
  28. 1.66km SSW of Mammoth Lakes, CA · 2441 days ago · 2 km deep · 89 km away
  29. 2.05km ESE of Yosemite Lakes, CA · 2440 days ago · 40 km deep · 25 km away
  30. 2.17km SSE of Shaver Lake, CA · 2438 days ago · 40 km deep · 66 km away
  31. 1.85km WSW of Oakhurst, CA · 2438 days ago · 29 km deep · 22 km away
  32. 2.522km SW of Toms Place, CA · 2438 days ago · 7 km deep · 96 km away
  33. 2.014km E of North Fork, CA · 2437 days ago · 31 km deep · 53 km away
  34. 2.522km SW of Toms Place, CA · 2435 days ago · 6 km deep · 96 km away · felt by 1
  35. 2.411km WSW of Squaw Valley, CA · 2427 days ago · 24 km deep · 83 km away
  36. 2.210km WSW of Squaw Valley, CA · 2426 days ago · 22 km deep · 83 km away
  37. 1.924km S of South Dos Palos, CA · 2426 days ago · 2 km deep · 90 km away
  38. 2.114km S of Mammoth Lakes, CA · 2425 days ago · 3 km deep · 88 km away
  39. 1.621km SSW of Bootjack, CA · 2424 days ago · 24 km deep · 4 km away
  40. 2.018km SSW of Bootjack, CA · 2424 days ago · 15 km deep · 2 km away

Before

  1. 1.714km ESE of Yosemite Valley, CA · 2485 days ago · 17 km deep · 66 km away
  2. 2.07km SE of Mammoth Lakes, CA · 2486 days ago · 2 km deep · 97 km away
  3. 2.37km SE of Mammoth Lakes, CA · 2486 days ago · 2 km deep · 97 km away
  4. 3.013km S of Mariposa, CA · 2487 days ago · 18 km deep · 8 km away · felt by 85
  5. 2.024km WSW of Round Valley, CA · 2491 days ago · 21 km deep · 98 km away
  6. 1.57km SE of Mammoth Lakes, CA · 2493 days ago · 2 km deep · 97 km away
  7. 1.56km SE of Mammoth Lakes, CA · 2493 days ago · 2 km deep · 97 km away
  8. 1.63km E of Mammoth Lakes, CA · 2494 days ago · 5 km deep · 97 km away
  9. 1.77km SE of Mammoth Lakes, CA · 2496 days ago · 2 km deep · 97 km away
  10. 1.77km SE of Mammoth Lakes, CA · 2497 days ago · 2 km deep · 97 km away
  11. 1.86km SE of Mammoth Lakes, CA · 2499 days ago · 2 km deep · 97 km away
  12. 1.62km WNW of Yosemite Lakes, CA · 2503 days ago · 20 km deep · 17 km away
  13. 1.51km SW of Mammoth Lakes, CA · 2504 days ago · 4 km deep · 93 km away
  14. 2.110km W of South Dos Palos, CA · 2504 days ago · 43 km deep · 81 km away
  15. 1.519km ESE of Yosemite Valley, CA · 2506 days ago · 23 km deep · 66 km away
  16. 1.610km S of Bootjack, CA · 2507 days ago · 29 km deep · 12 km away
  17. 1.615km ESE of Yosemite Valley, CA · 2511 days ago · -1 km deep · 64 km away
  18. 2.24km W of Mammoth Lakes, CA · 2512 days ago · 1 km deep · 90 km away
  19. 1.813km SE of Mammoth Lakes, CA · 2512 days ago · 4 km deep · 100 km away
  20. 1.813km SE of Mammoth Lakes, CA · 2512 days ago · 4 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73315481. Read Sun, Oct 4, 2026, 10:56 AM UTC.