M2.8 earthquake 21 km WSW of Point MacKenzie, Alaska
A magnitude 2.8 earthquake struck 21 km WSW of Point MacKenzie, Alaska on Thu, Mar 4, 2021, 1:04 AM AKST (10:04 UTC), 144 km (90 mi) below the surface.
Automatic solution: the magnitude and location may still be revised.
A larger quake followed: M4.8 Southern Alaska. 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 (ml), micro
- Local time
- UTC
- 2021-03-04 10:04:53 UTC
- Depth
- 144.1 km (89.5 mi), intermediate-depth
- Epicenter
- 61.256° N, 150.306° W
- Region
- Alaska
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Automatic solution, may be revised
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

How well it is located
An automatic solution; a seismologist may revise it.
- Stations used
- 8
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 138 in the 30 days before it.
After
- 2.42 km S of Big Lake, Alaska · 2033 days ago · 46 km deep · 33 km away
- 1.649 km SW of Skwentna, Alaska · 2033 days ago · 116 km deep · 99 km away
- 1.521 km NW of Susitna, Alaska · 2033 days ago · 59 km deep · 53 km away
- 1.624 km NNW of Beluga, Alaska · 2033 days ago · 68 km deep · 55 km away
- 1.612 km NNE of Houston, Alaska · 2032 days ago · 40 km deep · 61 km away
- 1.53 km E of Point MacKenzie, Alaska · 2031 days ago · 44 km deep · 24 km away
- 2.320 km SW of Point Possession, Alaska · 2030 days ago · 86 km deep · 62 km away
- 1.97 km NE of Big Lake, Alaska · 2030 days ago · 57 km deep · 42 km away
- 1.86 km ENE of Point Possession, Alaska · 2030 days ago · 53 km deep · 37 km away
- 2.011 km N of Susitna, Alaska · 2030 days ago · 46 km deep · 44 km away
- 3.25 km SSW of Point MacKenzie, Alaska · 2030 days ago · 40 km deep · 16 km away · felt by 91
- 2.437 km E of Skwentna, Alaska · 2030 days ago · 3 km deep · 88 km away
- 1.710 km S of Funny River, Alaska · 2030 days ago · 37 km deep · 97 km away
- 2.15 km W of Point MacKenzie, Alaska · 2030 days ago · 37 km deep · 17 km away
- 1.89 km W of Point Possession, Alaska · 2030 days ago · 13 km deep · 47 km away
- 1.518 km NNE of Willow, Alaska · 2029 days ago · 34 km deep · 75 km away
- 1.543 km S of Skwentna, Alaska · 2029 days ago · 79 km deep · 71 km away
- 2.03 km WSW of Hope, Alaska · 2029 days ago · 31 km deep · 51 km away
- 2.39 km NNE of Houston, Alaska · 2029 days ago · 39 km deep · 58 km away
- 1.545 km NW of Nikiski, Alaska · 2029 days ago · 88 km deep · 95 km away
- 1.78 km N of Houston, Alaska · 2028 days ago · 41 km deep · 57 km away
- 1.527 km WNW of Tyonek, Alaska · 2028 days ago · 81 km deep · 70 km away
- 1.717 km SW of Susitna, Alaska · 2028 days ago · 68 km deep · 31 km away
- 1.743 km SW of Skwentna, Alaska · 2027 days ago · 95 km deep · 96 km away
- 2.145 km WNW of Tyonek, Alaska · 2027 days ago · 97 km deep · 88 km away · felt by 1
- 1.79 km SSW of Cooper Landing, Alaska · 2027 days ago · 32 km deep · 96 km away
- 1.846 km S of Skwentna, Alaska · 2026 days ago · 76 km deep · 73 km away
- 1.632 km NW of Susitna, Alaska · 2026 days ago · 64 km deep · 64 km away
- 1.814 km ESE of Skwentna, Alaska · 2026 days ago · 77 km deep · 88 km away
- 2.020 km SE of Skwentna, Alaska · 2026 days ago · 67 km deep · 80 km away
- 2.032 km SW of Skwentna, Alaska · 2026 days ago · 107 km deep · 99 km away · felt by 1
- 1.818 km S of Point Possession, Alaska · 2026 days ago · 53 km deep · 60 km away
- 1.716 km W of Fishhook, Alaska · 2026 days ago · 44 km deep · 70 km away
- 1.736 km NW of Nikiski, Alaska · 2026 days ago · 85 km deep · 93 km away
- 1.638 km S of Skwentna, Alaska · 2025 days ago · 83 km deep · 68 km away
- 1.646 km NNW of Beluga, Alaska · 2025 days ago · 77 km deep · 71 km away
- 1.629 km ENE of Sterling, Alaska · 2025 days ago · 41 km deep · 65 km away
- 1.535 km SSW of Skwentna, Alaska · 2025 days ago · 82 km deep · 82 km away
- 1.516 km S of Susitna North, Alaska · 2025 days ago · 41 km deep · 87 km away
- 1.96 km NE of Point MacKenzie, Alaska · 2025 days ago · 40 km deep · 27 km away
- 2.712 km NNE of Houston, Alaska · 2025 days ago · 44 km deep · 61 km away · felt by 1
- 1.625 km NE of Beluga, Alaska · 2025 days ago · 49 km deep · 22 km away
- 3.127 km NW of Nikiski, Alaska · 2025 days ago · 77 km deep · 86 km away · felt by 4
- 1.711 km SE of Tyonek, Alaska · 2025 days ago · 53 km deep · 45 km away
- 1.68 km SW of Big Lake, Alaska · 2025 days ago · 36 km deep · 27 km away
- 1.833 km NW of Willow, Alaska · 2025 days ago · 9 km deep · 81 km away
- 1.519 km WNW of Salamatof, Alaska · 2024 days ago · 80 km deep · 96 km away
- 1.625 km WNW of Nikiski, Alaska · 2024 days ago · 83 km deep · 92 km away
- 1.651 km SSW of Skwentna, Alaska · 2024 days ago · 105 km deep · 90 km away
- 1.624 km NW of Nikiski, Alaska · 2024 days ago · 80 km deep · 86 km away
- 1.723 km ESE of Skwentna, Alaska · 2024 days ago · 67 km deep · 81 km away
- 2.02 km N of Beluga, Alaska · 2023 days ago · 64 km deep · 43 km away
- 1.68 km NNW of Point MacKenzie, Alaska · 2023 days ago · 37 km deep · 23 km away
- 2.226 km WSW of Susitna, Alaska · 2023 days ago · 70 km deep · 46 km away · felt by 1
- 1.510 km ESE of Nikiski, Alaska · 2022 days ago · 69 km deep · 78 km away
- 1.616 km WSW of Tyonek, Alaska · 2022 days ago · 6 km deep · 66 km away
- 1.59 km WNW of Tyonek, Alaska · 2022 days ago · 68 km deep · 55 km away
- 2.12 km NNE of Knik, Alaska · 2022 days ago · 31 km deep · 40 km away · felt by 1
- 1.66 km SSW of Point MacKenzie, Alaska · 2022 days ago · 42 km deep · 16 km away · felt by 1
- 2.026 km E of Point Possession, Alaska · 2022 days ago · 56 km deep · 33 km away
The first 60 of at least 201.
Before
- 1.531 km WNW of Nikiski, Alaska · 2033 days ago · 79 km deep · 92 km away
- 1.934 km WSW of Tyonek, Alaska · 2033 days ago · 80 km deep · 83 km away
- 1.52 km ESE of Houston, Alaska · 2033 days ago · 37 km deep · 49 km away
- 1.77 km N of Houston, Alaska · 2033 days ago · 35 km deep · 56 km away
- 1.512 km SSW of Susitna, Alaska · 2034 days ago · 54 km deep · 27 km away
- 1.67 km E of Nikiski, Alaska · 2034 days ago · 61 km deep · 78 km away
- 4.557 km NW of Beluga, Alaska · 2034 days ago · 99 km deep · 89 km away · felt by 189 · tsunami flag
- 2.74 km NW of Meadow Lakes, Alaska · 2035 days ago · 54 km deep · 56 km away · felt by 7
- 1.61 km WSW of Point MacKenzie, Alaska · 2035 days ago · 45 km deep · 19 km away
- 1.721 km SSW of Hope, Alaska · 2035 days ago · 33 km deep · 65 km away
- 2.122 km SSE of Susitna, Alaska · 2035 days ago · 47 km deep · 12 km away
- 2.211 km NW of Point MacKenzie, Alaska · 2035 days ago · 43 km deep · 23 km away · felt by 1
- 1.87 km SSE of Houston, Alaska · 2035 days ago · 43 km deep · 46 km away
- 1.711 km WNW of Susitna, Alaska · 2035 days ago · 57 km deep · 43 km away
- 2.050 km NW of Beluga, Alaska · 2035 days ago · 95 km deep · 78 km away
- 1.823 km WNW of Nikiski, Alaska · 2035 days ago · 77 km deep · 92 km away
- 1.516 km WNW of Fishhook, Alaska · 2035 days ago · 44 km deep · 72 km away
- 1.89 km ENE of Susitna, Alaska · 2035 days ago · 54 km deep · 36 km away
- 2.123 km ESE of Skwentna, Alaska · 2036 days ago · 63 km deep · 81 km away
- 1.50 km SE of Skwentna, Alaska · 2036 days ago · 89 km deep · 99 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0212wcuan0. Read Sun, Sep 27, 2026, 8:29 AM UTC.