California earthquakes

M1.8 earthquake 38km WSW of Encinitas, CA

A magnitude 1.8 earthquake struck 38km WSW of Encinitas, CA on Fri, Nov 18, 1983, 11:54 PM PST (07:54 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.8 44km NE of San Clemente Is. (SE tip), CA. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.8 (mh), micro
Local time
UTC
1983-11-19 07:54:51 UTC
Depth
5.2 km (3.2 mi), shallow
Epicenter
32.939° N, 117.685° 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 1.1 km horizontally, 31.6 km in depth
Depth from
Operator assigned
Station coverage gap
259°, poorly surrounded by stations
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 2.42km SW of San Juan Capistrano, CA · 15652 days ago · 6 km deep · 61 km away
  2. 2.546km SW of San Clemente, CA · 15648 days ago · 6 km deep · 25 km away
  3. 1.947km E of San Clemente Is. (SE tip), CA · 15646 days ago · 6 km deep · 19 km away
  4. 1.930km ESE of Avalon, CA · 15643 days ago · 6 km deep · 49 km away
  5. 2.112km WNW of Lakeland Village, CA · 15639 days ago · 7 km deep · 87 km away
  6. 1.70km NE of Wildomar, CA · 15633 days ago · 5 km deep · 83 km away
  7. 1.82km SE of Anaheim, CA · 15627 days ago · 9 km deep · 99 km away
  8. 1.83km SSE of Anaheim, CA · 15627 days ago · 9 km deep · 99 km away
  9. 2.12km NW of Orange, CA · 15627 days ago · 5 km deep · 99 km away
  10. 2.22km NE of Palomar Observatory, CA · 15626 days ago · 12 km deep · 92 km away
  11. 2.43km SE of Anaheim, CA · 15626 days ago · 8 km deep · 99 km away
  12. 1.87km NNE of Aguanga, CA · 15625 days ago · 11 km deep · 100 km away
  13. 2.648km WSW of Encinitas, CA · 15621 days ago · 6 km deep · 9 km away
  14. 2.542km ESE of San Clemente Is. (SE tip), CA · 15621 days ago · 6 km deep · 40 km away
  15. 2.645km NE of San Clemente Is. (SE tip), CA · 15620 days ago · 6 km deep · 28 km away
  16. 2.844km NE of San Clemente Is. (SE tip), CA · 15619 days ago · 6 km deep · 27 km away
  17. 2.16km NE of Lake Henshaw, CA · 15618 days ago · 19 km deep · 98 km away
  18. 2.08km S of San Clemente, CA · 15617 days ago · 5 km deep · 46 km away
  19. 2.410km S of San Clemente, CA · 15613 days ago · 6 km deep · 45 km away
  20. 1.86km WNW of Imperial Beach, CA · 15612 days ago · 5 km deep · 61 km away
  21. 2.52km N of Chula Vista, CA · 15606 days ago · 5 km deep · 68 km away
  22. 2.642km WSW of Carlsbad, CA · 15604 days ago · 5 km deep · 9 km away

Before

  1. 1.74km W of Huntington Beach, CA · 15659 days ago · 5 km deep · 90 km away
  2. 2.71km ENE of Laguna Niguel, CA · 15663 days ago · 5 km deep · 65 km away
  3. 2.22km NE of Laguna Niguel, CA · 15664 days ago · 6 km deep · 66 km away
  4. 1.79km NNE of Pala, CA · 15666 days ago · 12 km deep · 82 km away
  5. 2.517km W of Camp Pendleton South, CA · 15672 days ago · 5 km deep · 33 km away
  6. 2.224km NNE of Avalon, CA · 15675 days ago · 5 km deep · 80 km away
  7. 1.74km SSE of Anaheim, CA · 15675 days ago · 5 km deep · 98 km away
  8. 2.43km WNW of Orange, CA · 15677 days ago · 8 km deep · 99 km away
  9. 1.73km W of Orange, CA · 15677 days ago · 5 km deep · 98 km away
  10. 2.35km E of Bonita, CA · 15678 days ago · 9 km deep · 73 km away
  11. 2.57km NE of North Tustin, CA · 15681 days ago · 4 km deep · 96 km away
  12. 3.16km SE of Rosarito, B.C., MX · 15681 days ago · 6 km deep · 96 km away
  13. 2.19km WSW of Seal Beach, CA · 15684 days ago · 5 km deep · 98 km away
  14. 2.210km SW of La Jolla, CA · 15686 days ago · 5 km deep · 35 km away
  15. 2.25km WNW of Huntington Beach, CA · 15686 days ago · 5 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci22932. Read Wed, Sep 30, 2026, 5:12 PM UTC.