M2.8 earthquake 23 km W of Samoa, California
A magnitude 2.8 earthquake struck 23 km W of Samoa, California on Mon, Jun 26, 1978, 7:14 AM PDT (14:14 UTC), 23 km (14 mi) below the surface.
A larger quake followed: M3.8 68 km WSW of Ferndale, California. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.8 (md), micro
- Local time
- UTC
- 1978-06-26 14:14:15 UTC
- Depth
- 23.3 km (14.5 mi), shallow
- Epicenter
- 40.829° N, 124.464° 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 2.3 km horizontally, 1.0 km in depth
- Depth from
- From location
- Station coverage gap
- 269°, poorly surrounded by stations
- 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: 156 in the 60 days after this one and 75 in the 30 days before it.
After
- 2.525 km SSW of Ferndale, California · 17627 days ago · 24 km deep · 50 km away
- 2.735 km SW of Ferndale, California · 17627 days ago · 27 km deep · 56 km away
- 1.67 km W of Rio Dell, California · 17626 days ago · 19 km deep · 44 km away
- 1.517 km S of Ferndale, California · 17625 days ago · 20 km deep · 47 km away
- 2.221 km WNW of Hyampom, California · 17625 days ago · 25 km deep · 67 km away
- 2.446 km WNW of Shelter Cove, California · 17624 days ago · 4 km deep · 68 km away
- 2.010 km SW of Trinidad, California · 17624 days ago · 23 km deep · 27 km away
- 1.559 km WSW of Ferndale, California · 17623 days ago · 5 km deep · 60 km away
- 2.353 km WNW of Big Lagoon, California · 17622 days ago · 4 km deep · 54 km away
- 3.39 km S of Ferndale, California · 17622 days ago · 19 km deep · 41 km away
- 2.436 km SW of Ferndale, California · 17622 days ago · 22 km deep · 57 km away
- 2.030 km SSW of Ferndale, California · 17621 days ago · 30 km deep · 55 km away
- 1.710 km WNW of Manila, California · 17619 days ago · 20 km deep · 16 km away
- 1.725 km SSW of Scotia, California · 17619 days ago · -1 km deep · 63 km away
- 1.628 km WSW of Ferndale, California · 17619 days ago · 22 km deep · 37 km away
- 2.56 km SSW of Scotia, California · 17619 days ago · 25 km deep · 54 km away
- 2.713 km WNW of Samoa, California · 17618 days ago · 23 km deep · 13 km away
- 1.739 km SW of Ferndale, California · 17618 days ago · 25 km deep · 59 km away
- 2.334 km SSW of Ferndale, California · 17618 days ago · 25 km deep · 58 km away
- 1.97 km WNW of Ferndale, California · 17618 days ago · 19 km deep · 28 km away
- 1.516 km WSW of Ferndale, California · 17617 days ago · 21 km deep · 37 km away
- 3.087 km WSW of Ferndale, California · 17617 days ago · 6 km deep · 82 km away
- 2.541 km SW of Ferndale, California · 17616 days ago · 24 km deep · 57 km away
- 2.731 km SSW of Ferndale, California · 17615 days ago · 11 km deep · 57 km away
- 2.635 km SW of Ferndale, California · 17614 days ago · 24 km deep · 58 km away
- 3.868 km WSW of Ferndale, California · 17612 days ago · 24 km deep · 67 km away
- 3.269 km WSW of Ferndale, California · 17612 days ago · 21 km deep · 68 km away
- 2.43 km SSE of Fieldbrook, California · 17612 days ago · 28 km deep · 39 km away
- 1.55 km WNW of Weott, California · 17611 days ago · 4 km deep · 68 km away
- 2.55 km NW of Big Lagoon, California · 17610 days ago · 28 km deep · 46 km away
- 2.412 km NNE of Redcrest, CA · 17609 days ago · 22 km deep · 59 km away
- 2.022 km SW of Ferndale, California · 17608 days ago · 17 km deep · 42 km away
- 1.9near the coast of Northern California · 17608 days ago · 29 km deep · 29 km away
- 3.128 km SSW of Ferndale, California · 17608 days ago · 18 km deep · 54 km away
- 2.729 km SSW of Ferndale, California · 17608 days ago · 18 km deep · 55 km away
- 1.920 km ENE of Westhaven-Moonstone, California · 17608 days ago · 22 km deep · 59 km away
- 1.759 km WSW of Ferndale, California · 17608 days ago · 28 km deep · 65 km away
- 1.610 km S of Ferndale, California · 17606 days ago · 18 km deep · 42 km away
- 2.39 km WSW of Scotia, California · 17606 days ago · 3 km deep · 46 km away
- 2.99 km WSW of Scotia, California · 17606 days ago · 3 km deep · 46 km away
- 1.99 km W of Scotia, California · 17606 days ago · 2 km deep · 46 km away
- 3.010 km S of Ferndale, California · 17606 days ago · 19 km deep · 41 km away
- 2.99 km WSW of Scotia, California · 17606 days ago · 7 km deep · 46 km away
- 1.818 km SW of Scotia, California · 17605 days ago · 31 km deep · 56 km away
- 1.632 km SW of Ferndale, California · 17605 days ago · 17 km deep · 53 km away
- 1.771 km WNW of Samoa, California · 17605 days ago · 3 km deep · 49 km away
- 1.934 km SSW of Ferndale, California · 17602 days ago · -1 km deep · 59 km away
- 1.846 km WNW of Samoa, California · 17602 days ago · 20 km deep · 24 km away
- 2.075 km WSW of Ferndale, California · 17602 days ago · 4 km deep · 73 km away
- 1.633 km SSW of Ferndale, California · 17601 days ago · 25 km deep · 58 km away
- 1.530 km SW of Ferndale, California · 17601 days ago · 21 km deep · 53 km away
- 1.8near the coast of Northern California · 17600 days ago · 19 km deep · 57 km away
- 2.936 km SW of Ferndale, California · 17600 days ago · 21 km deep · 58 km away
- 1.631 km WSW of Ferndale, California · 17599 days ago · 27 km deep · 43 km away
- 1.69 km S of Ferndale, California · 17599 days ago · 18 km deep · 41 km away
- 2.410 km S of Ferndale, California · 17599 days ago · 19 km deep · 41 km away
- 2.794 km W of Big Lagoon, California · 17599 days ago · 4 km deep · 78 km away
- 3.279 km WSW of Ferndale, California · 17598 days ago · 5 km deep · 77 km away
- 2.596 km WNW of Indianola, California · 17598 days ago · 5 km deep · 75 km away
- 2.368 km WSW of Ferndale, California · 17598 days ago · 7 km deep · 68 km away
The first 60 of 156.
Before
- 2.116 km WSW of Scotia, California · 17627 days ago · 20 km deep · 48 km away
- 3.132 km SSW of Ferndale, California · 17627 days ago · 26 km deep · 56 km away
- 1.67 km WSW of Rio Dell, California · 17627 days ago · 28 km deep · 45 km away
- 1.96 km WNW of McKinleyville, California · 17628 days ago · 4 km deep · 28 km away
- 1.724 km SSW of Ferndale, California · 17629 days ago · 25 km deep · 51 km away
- 1.5near the coast of Northern California · 17629 days ago · 11 km deep · 41 km away
- 1.614 km ENE of Weott, California · 17629 days ago · 21 km deep · 77 km away
- 3.24 km N of Redway, California · 17630 days ago · 19 km deep · 92 km away
- 2.428 km SSW of Ferndale, California · 17630 days ago · 23 km deep · 53 km away
- 1.9Northern California · 17630 days ago · 17 km deep · 93 km away
- 1.724 km SSW of Ferndale, California · 17630 days ago · 23 km deep · 51 km away
- 2.217 km SSW of Ferndale, California · 17630 days ago · 18 km deep · 47 km away
- 1.710 km SSW of Scotia, California · 17631 days ago · 36 km deep · 56 km away
- 1.920 km SSW of Ferndale, California · 17632 days ago · 24 km deep · 46 km away
- 1.915 km SSW of Ferndale, California · 17632 days ago · 21 km deep · 45 km away
- 1.523 km SW of Ferndale, California · 17632 days ago · 27 km deep · 45 km away
- 1.628 km SW of Ferndale, California · 17633 days ago · 22 km deep · 49 km away
- 2.171 km W of Samoa, California · 17633 days ago · 4 km deep · 48 km away
- 3.535 km SW of Ferndale, California · 17634 days ago · 26 km deep · 58 km away
- 2.374 km W of Ferndale, California · 17634 days ago · 21 km deep · 63 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc1040807. Read Tue, Sep 29, 2026, 7:05 AM UTC.