M2.2 earthquake 12 km SW of Ridgemark, California
A magnitude 2.2 earthquake struck 12 km SW of Ridgemark, California on Sun, Nov 12, 1989, 6:44 AM PST (14:44 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M4.4 Central California. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (Md, duration), micro
- Magnitude from
- Northern California Seismic System
- Local time
- UTC
- 1989-11-12 14:44:58 UTC
- Depth
- 14.9 km (9.2 mi), shallow
- Epicenter
- 36.744° N, 121.471° W
- Region
- California
- 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 0.3 km horizontally, 0.3 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 51°
- Stations used
- 57
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 197 in the 30 days before it.
After
- 2.53 km N of Interlaken, California · 13474 days ago · 15 km deep · 36 km away
- 1.57 km S of La Selva Beach, California · 13473 days ago · 0 km deep · 37 km away
- 3.04 km ESE of Interlaken, California · 13473 days ago · 12 km deep · 29 km away
- 1.96 km NE of Ridgemark, California · 13473 days ago · 7 km deep · 18 km away
- 1.911 km N of Boulder Creek, California · 13473 days ago · 10 km deep · 80 km away
- 2.82 km WSW of San Juan Bautista, California · 13473 days ago · 6 km deep · 13 km away
- 1.924 km NE of Greenfield, California · 13473 days ago · 5 km deep · 50 km away
- 2.823 km NE of Greenfield, California · 13473 days ago · 5 km deep · 50 km away
- 1.624 km NE of Greenfield, California · 13473 days ago · 5 km deep · 50 km away
- 1.724 km NE of Greenfield, California · 13473 days ago · 5 km deep · 50 km away
- 1.924 km NE of Greenfield, California · 13473 days ago · 5 km deep · 50 km away
- 1.57 km S of La Selva Beach, California · 13473 days ago · 0 km deep · 37 km away
- 2.24 km NNW of Aromas, California · 13473 days ago · 11 km deep · 26 km away
- 1.66 km S of Lexington Hills, California · 13473 days ago · 14 km deep · 59 km away
- 1.831 km NE of Soledad, California · 13473 days ago · 8 km deep · 41 km away
- 2.223 km NE of Greenfield, California · 13473 days ago · 5 km deep · 50 km away
- 1.510 km N of Boulder Creek, California · 13473 days ago · 9 km deep · 80 km away
- 1.52 km NE of Interlaken, California · 13473 days ago · 12 km deep · 33 km away
- 1.73 km E of Corralitos, California · 13472 days ago · 14 km deep · 38 km away
- 1.63 km NW of Lexington Hills, California · 13472 days ago · 10 km deep · 68 km away
- 1.73 km NE of Interlaken, California · 13472 days ago · 13 km deep · 33 km away
- 1.510 km NW of Davenport, California · 13472 days ago · 5 km deep · 81 km away
- 1.824 km NE of Greenfield, California · 13472 days ago · 5 km deep · 51 km away
- 2.04 km NNW of Aromas, California · 13472 days ago · 11 km deep · 26 km away
- 1.87 km S of La Selva Beach, California · 13472 days ago · 3 km deep · 37 km away
- 1.76 km N of Day Valley, California · 13472 days ago · 5 km deep · 52 km away
- 1.87 km S of La Selva Beach, California · 13472 days ago · 1 km deep · 38 km away
- 1.95 km S of Gilroy, California · 13472 days ago · 4 km deep · 25 km away
- 2.32 km NE of Lexington Hills, California · 13472 days ago · 5 km deep · 65 km away
- 1.54 km NW of Day Valley, California · 13472 days ago · 14 km deep · 52 km away
- 2.26 km S of La Selva Beach, California · 13472 days ago · 4 km deep · 37 km away
- 1.96 km NE of Corralitos, California · 13472 days ago · 6 km deep · 39 km away
- 1.66 km S of La Selva Beach, California · 13472 days ago · 3 km deep · 37 km away
- 2.011 km WSW of Saratoga, California · 13472 days ago · 10 km deep · 80 km away
- 1.83 km SSW of Saratoga, California · 13472 days ago · 8 km deep · 74 km away
- 1.62 km N of Interlaken, California · 13472 days ago · 14 km deep · 35 km away
- 3.33 km S of San Juan Bautista, California · 13471 days ago · 7 km deep · 10 km away
- 1.83 km S of San Juan Bautista, California · 13471 days ago · 5 km deep · 10 km away
- 2.96 km NNE of Day Valley, California · 13471 days ago · 5 km deep · 51 km away
- 1.56 km NNE of Day Valley, California · 13471 days ago · 5 km deep · 51 km away
- 3.27 km NNE of Day Valley, California · 13471 days ago · 5 km deep · 51 km away
- 1.67 km SW of Gilroy, California · 13471 days ago · 3 km deep · 29 km away
- 1.68 km N of Day Valley, California · 13471 days ago · 2 km deep · 54 km away
- 1.75 km NNW of Day Valley, California · 13471 days ago · 13 km deep · 53 km away
- 1.93 km SSW of La Selva Beach, California · 13471 days ago · 3 km deep · 41 km away
- 1.61 km NE of Corralitos, California · 13471 days ago · 15 km deep · 41 km away
- 1.77 km S of La Selva Beach, California · 13471 days ago · 1 km deep · 37 km away
- 1.66 km NE of Day Valley, California · 13471 days ago · 9 km deep · 47 km away
- 1.64 km SW of Cupertino, California · 13471 days ago · 5 km deep · 81 km away
- 1.68 km N of Day Valley, California · 13471 days ago · 3 km deep · 54 km away
- 1.66 km WSW of Gilroy, California · 13471 days ago · 3 km deep · 31 km away
- 1.9Central California · 13471 days ago · 5 km deep · 13 km away
- 2.74 km NNW of Day Valley, California · 13471 days ago · 13 km deep · 52 km away
- 2.54 km NNW of Day Valley, California · 13471 days ago · 13 km deep · 51 km away
- 2.324 km ENE of Soledad, California · 13471 days ago · 3 km deep · 45 km away
- 1.76 km S of La Selva Beach, California · 13471 days ago · 3 km deep · 39 km away
- 1.5Northern California · 13471 days ago · 18 km deep · 54 km away
- 1.77 km ENE of Scotts Valley, California · 13471 days ago · 15 km deep · 57 km away
- 1.65 km ENE of Zayante, California · 13471 days ago · 17 km deep · 61 km away
- 1.68 km NNE of Day Valley, California · 13471 days ago · 3 km deep · 52 km away
The first 60 of 196.
Before
- 1.74 km NNW of Aromas, California · 13474 days ago · 10 km deep · 27 km away
- 1.67 km S of La Selva Beach, California · 13474 days ago · 1 km deep · 38 km away
- 2.07 km S of La Selva Beach, California · 13474 days ago · 1 km deep · 37 km away
- 1.923 km ENE of Soledad, California · 13474 days ago · 3 km deep · 45 km away
- 1.87 km N of Day Valley, California · 13474 days ago · 3 km deep · 53 km away
- 1.920 km SW of Three Rocks, California · 13474 days ago · 14 km deep · 89 km away
- 1.724 km ENE of Soledad, California · 13474 days ago · 0 km deep · 40 km away
- 2.120 km SSE of Tres Pinos, California · 13474 days ago · 5 km deep · 26 km away
- 1.58 km N of Day Valley, California · 13474 days ago · 4 km deep · 54 km away
- 1.73 km NE of Amesti, California · 13474 days ago · 14 km deep · 37 km away
- 1.622 km NNE of Soledad, California · 13474 days ago · 2 km deep · 29 km away
- 2.16 km NE of Day Valley, California · 13475 days ago · 9 km deep · 49 km away
- 2.73 km ESE of Aromas, California · 13475 days ago · 6 km deep · 19 km away
- 2.54 km ESE of Interlaken, California · 13475 days ago · 13 km deep · 29 km away
- 1.64 km ESE of Interlaken, California · 13475 days ago · 10 km deep · 29 km away
- 1.910 km N of Boulder Creek, California · 13475 days ago · 9 km deep · 80 km away
- 1.64 km E of Interlaken, California · 13475 days ago · 9 km deep · 30 km away
- 1.710 km N of Boulder Creek, California · 13475 days ago · 9 km deep · 79 km away
- 1.82 km NNE of Lexington Hills, California · 13476 days ago · 5 km deep · 65 km away
- 2.89 km NNE of San Juan Bautista, California · 13476 days ago · 4 km deep · 21 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc147166. Read Sat, Oct 3, 2026, 3:50 AM UTC.