M1.9 earthquake 11 km ENE of Hydesville, California
A magnitude 1.9 earthquake struck 11 km ENE of Hydesville, California on Sun, Feb 8, 1987, 6:41 PM PST (02:41 UTC), 22 km (14 mi) below the surface.
A larger quake followed: M4.1 7 km NE of Trinity Village, California. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.9 (Md, duration), micro
- Magnitude from
- Northern California Seismic System
- Local time
- UTC
- 1987-02-09 02:41:04 UTC
- Depth
- 22.0 km (13.7 mi), shallow
- Epicenter
- 40.573° N, 123.960° 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 1.1 km horizontally, 0.8 km in depth
- Magnitude uncertainty
- ±0.25
- Depth from
- From location
- Station coverage gap
- 109°
- Stations used
- 7
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 34 in the 60 days after this one and 22 in the 30 days before it.
After
- 1.8near the coast of Northern California · 14480 days ago · 21 km deep · 47 km away
- 2.641 km SW of Ferndale, California · 14478 days ago · 28 km deep · 62 km away
- 2.729 km WSW of Ferndale, California · 14477 days ago · 23 km deep · 54 km away
- 2.410 km W of Scotia, California · 14476 days ago · 4 km deep · 26 km away
- 2.956 km WSW of Ferndale, California · 14464 days ago · -1 km deep · 81 km away
- 3.112 km NE of Burnt Ranch, California · 14462 days ago · 16 km deep · 61 km away
- 2.118 km ENE of Westhaven-Moonstone, California · 14461 days ago · 11 km deep · 61 km away
- 3.674 km SW of Ferndale, California · 14461 days ago · 2 km deep · 96 km away
- 2.037 km W of Ferndale, California · 14461 days ago · 12 km deep · 63 km away
- 3.137 km SW of Ferndale, California · 14459 days ago · 20 km deep · 56 km away
- 2.648 km WNW of Samoa, California · 14459 days ago · 11 km deep · 78 km away
- 3.125 km WNW of Ferndale, California · 14456 days ago · 16 km deep · 50 km away
- 2.043 km WSW of Ferndale, California · 14455 days ago · 3 km deep · 68 km away
- 2.326 km SW of Ferndale, California · 14454 days ago · 14 km deep · 46 km away
- 2.810 km WNW of Manila, California · 14453 days ago · 28 km deep · 44 km away
- 1.81 km NE of Redway, California · 14452 days ago · 22 km deep · 51 km away
- 2.4Northern California · 14451 days ago · 30 km deep · 36 km away
- 2.89 km ENE of Benbow, California · 14450 days ago · 21 km deep · 59 km away
- 2.38 km SSW of Alderpoint, California · 14449 days ago · 23 km deep · 58 km away
- 2.310 km SSW of Alderpoint, California · 14449 days ago · 18 km deep · 60 km away
- 3.172 km W of Ferndale, California · 14446 days ago · -1 km deep · 98 km away
- 3.219 km N of Weaverville, California · 14438 days ago · 21 km deep · 95 km away
- 2.133 km SE of Ruth, California · 14432 days ago · -1 km deep · 97 km away
- 1.727 km SW of Scotia, California · 14432 days ago · 4 km deep · 43 km away
- 1.813 km ESE of Blue Lake, California · 14430 days ago · 5 km deep · 30 km away
- 3.633 km WSW of Ferndale, California · 14430 days ago · 23 km deep · 57 km away
- 2.136 km WSW of Ferndale, California · 14430 days ago · 25 km deep · 60 km away
- 2.236 km WSW of Ferndale, California · 14430 days ago · 23 km deep · 60 km away
- 2.626 km SE of Ruth, California · 14429 days ago · 42 km deep · 90 km away
- 2.1near the coast of Northern California · 14427 days ago · 11 km deep · 53 km away
- 1.817 km SW of Scotia, California · 14424 days ago · 4 km deep · 33 km away
- 2.442 km WSW of Ferndale, California · 14422 days ago · 23 km deep · 66 km away
- 2.07 km ESE of Scotia, California · 14422 days ago · 0 km deep · 14 km away
- 4.17 km NE of Trinity Village, California · 14420 days ago · 21 km deep · 57 km away
Before
- 1.616 km WSW of Leggett, California · 14480 days ago · -1 km deep · 85 km away
- 2.540 km W of Indianola, California · 14480 days ago · 19 km deep · 66 km away
- 2.445 km W of Ferndale, California · 14481 days ago · 24 km deep · 71 km away
- 3.89 km W of Ferndale, California · 14487 days ago · 28 km deep · 35 km away
- 1.724 km SW of Scotia, California · 14488 days ago · 4 km deep · 40 km away
- 2.513 km WNW of Mad River, California · 14489 days ago · -1 km deep · 27 km away
- 1.99 km ESE of Leggett, California · 14492 days ago · 6 km deep · 87 km away
- 2.217 km WSW of Ferndale, California · 14495 days ago · 21 km deep · 42 km away
- 2.318 km ESE of Indianola, California · 14497 days ago · 24 km deep · 17 km away
- 1.521 km NNW of Covelo, California · 14499 days ago · 0 km deep · 85 km away
- 1.937 km SSW of Ferndale, California · 14500 days ago · 22 km deep · 56 km away
- 2.666 km WSW of Ferndale, California · 14500 days ago · 0 km deep · 91 km away
- 1.82 km SE of Myers Flat, California · 14500 days ago · 4 km deep · 37 km away
- 2.434 km SSW of Ferndale, California · 14500 days ago · 20 km deep · 51 km away
- 2.614 km WSW of Scotia, California · 14502 days ago · 27 km deep · 30 km away
- 2.614 km SE of Blue Lake, California · 14502 days ago · 27 km deep · 27 km away
- 2.719 km NNW of Covelo, California · 14502 days ago · 2 km deep · 86 km away
- 2.48 km S of Scotia, California · 14503 days ago · 4 km deep · 22 km away
- 3.6near the coast of Northern California · 14503 days ago · 3 km deep · 29 km away
- 2.6near the coast of Northern California · 14504 days ago · 23 km deep · 55 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc10083779. Read Fri, Oct 2, 2026, 1:16 AM UTC.