California earthquakes

M2.1 earthquake 4km SW of Paramount, CA

A magnitude 2.1 earthquake struck 4km SW of Paramount, CA on Tue, Jan 19, 1937, 10:12 PM GMT-8 (06:12 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.6 4km NE of Fontana, CA. This one was a foreshock.

Paramount 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
2.1 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1937-01-20 06:12:00 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.860° N, 118.188° 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 3.5 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
346°, poorly surrounded by stations
Stations used
2

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 11 in the 30 days before it.

After

  1. 2.320km NNE of Avalon, CA · 32756 days ago · 6 km deep · 39 km away
  2. 2.07km SW of Huntington Beach, CA · 32752 days ago · 6 km deep · 28 km away
  3. 2.323km SSW of Rancho Palos Verdes, CA · 32751 days ago · 6 km deep · 44 km away
  4. 3.07km SSW of Lytle Creek, CA · 32745 days ago · 5 km deep · 71 km away
  5. 1.75km WSW of MacArthur Park, CA · 32744 days ago · 6 km deep · 24 km away
  6. 2.72km NE of Fountain Valley, CA · 32739 days ago · 6 km deep · 28 km away
  7. 1.68km NE of Sunland, CA · 32734 days ago · 6 km deep · 50 km away
  8. 2.45km NNE of Baldwin Hills, CA · 32732 days ago · 6 km deep · 25 km away
  9. 1.916km E of Lake Los Angeles, CA · 32730 days ago · 6 km deep · 96 km away
  10. 1.51km ENE of La Verne, CA · 32730 days ago · 6 km deep · 48 km away
  11. 2.63km SSW of Baldwin Hills, CA · 32730 days ago · 0 km deep · 22 km away
  12. 1.92km NNW of Seal Beach, CA · 32729 days ago · 6 km deep · 13 km away
  13. 2.13km ESE of Temple City, CA · 32728 days ago · 6 km deep · 31 km away
  14. 2.71km SSE of Villa Park, CA · 32722 days ago · 6 km deep · 36 km away
  15. 3.22km NE of Villa Park, CA · 32722 days ago · 6 km deep · 36 km away
  16. 1.64km ENE of Villa Park, CA · 32722 days ago · 6 km deep · 38 km away
  17. 1.75km SE of Yorba Linda, CA · 32720 days ago · 6 km deep · 38 km away
  18. 2.025km W of Rancho Palos Verdes, CA · 32719 days ago · 6 km deep · 46 km away
  19. 2.26km WSW of Seal Beach, CA · 32717 days ago · 6 km deep · 16 km away
  20. 2.58km SW of Avalon, CA · 32713 days ago · 6 km deep · 66 km away
  21. 2.04km ENE of Colton, CA · 32706 days ago · 6 km deep · 88 km away
  22. 3.64km NE of Fontana, CA · 32704 days ago · 8 km deep · 76 km away

Before

  1. 2.51km NNE of Devore, CA · 32763 days ago · 6 km deep · 84 km away
  2. 3.13km N of Fontana, CA · 32763 days ago · 11 km deep · 73 km away
  3. 2.95km SE of Chino, CA · 32765 days ago · 6 km deep · 51 km away
  4. 2.620km NNE of Avalon, CA · 32766 days ago · 6 km deep · 40 km away
  5. 3.922km WSW of Newport Beach, CA · 32766 days ago · 6 km deep · 38 km away
  6. 2.311km NNE of Avalon, CA · 32768 days ago · 6 km deep · 48 km away
  7. 1.92km E of Fontana, CA · 32771 days ago · 5 km deep · 74 km away
  8. 2.13km ENE of Rialto, CA · 32772 days ago · 6 km deep · 84 km away
  9. 1.95km SW of Woodcrest, CA · 32772 days ago · 6 km deep · 73 km away
  10. 2.436km SW of Dana Point, CA · 32775 days ago · 6 km deep · 73 km away
  11. 2.36km S of Encino, CA · 32790 days ago · 6 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3364085. Read Thu, Oct 1, 2026, 9:31 PM UTC.