M2.4 earthquake 87 km SE of Perryville, Alaska
A magnitude 2.4 earthquake struck 87 km SE of Perryville, Alaska on Wed, Jul 21, 2021, 9:09 PM AKDT (05:09 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M8.2 2021 Chignik, Alaska Earthquake. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.4 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2021-07-22 05:09:45 UTC
- Depth
- 14.5 km (9.0 mi), shallow
- Epicenter
- 55.344° N, 158.180° W
- Region
- Alaska
- 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.
- Stations used
- 20
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 200 in the 60 days after this one and 24 in the 30 days before it.
After
- 2.371 km ESE of Sand Point, Alaska · 1894 days ago · 7 km deep · 91 km away
- 2.0south of Alaska · 1894 days ago · 27 km deep · 59 km away
- 1.876 km SSE of Perryville, Alaska · 1893 days ago · 25 km deep · 22 km away
- 8.22021 Chignik, Alaska Earthquake · 1890 days ago · 35 km deep · 19 km away · felt by 512 · PAGER yellow · tsunami flag
- 5.5106 km SSE of Perryville, Alaska · 1890 days ago · 18 km deep · 27 km away · felt by 3
- 5.1114 km SE of Perryville, Alaska · 1890 days ago · 35 km deep · 28 km away
- 5.799 km ESE of Chignik, Alaska · 1890 days ago · 35 km deep · 95 km away
- 5.9127 km SE of Chignik, Alaska · 1890 days ago · 1 km deep · 62 km away · felt by 14
- 4.2159 km SE of Chignik, Alaska · 1890 days ago · 20 km deep · 95 km away
- 4.5106 km SSE of Chignik, Alaska · 1890 days ago · 9 km deep · 39 km away
- 5.3128 km SE of Perryville, Alaska · 1890 days ago · 35 km deep · 42 km away
- 3.9118 km SE of Perryville, Alaska · 1890 days ago · 7 km deep · 36 km away
- 5.4154 km SE of Chignik, Alaska · 1890 days ago · 3 km deep · 90 km away · felt by 5
- 4.291 km SSE of Chignik, Alaska · 1890 days ago · 7 km deep · 30 km away
- 4.5136 km SE of Perryville, Alaska · 1890 days ago · 25 km deep · 54 km away
- 4.1113 km ESE of Chignik, Alaska · 1890 days ago · 46 km deep · 93 km away
- 4.3147 km SE of Chignik, Alaska · 1890 days ago · 38 km deep · 79 km away
- 4.8158 km SE of Perryville, Alaska · 1890 days ago · 34 km deep · 73 km away
- 3.4131 km SE of Chignik, Alaska · 1890 days ago · 10 km deep · 72 km away
- 3.7126 km SE of Chignik, Alaska · 1890 days ago · 24 km deep · 74 km away
- 4.5142 km SE of Perryville, Alaska · 1890 days ago · 25 km deep · 55 km away
- 4.8135 km SE of Perryville, Alaska · 1890 days ago · 26 km deep · 48 km away · felt by 7
- 2.562 km SE of Perryville, Alaska · 1890 days ago · 11 km deep · 25 km away
- 4.2142 km SE of Chignik, Alaska · 1890 days ago · 42 km deep · 93 km away
- 3.7113 km SSE of Perryville, Alaska · 1890 days ago · 40 km deep · 38 km away
- 4.3157 km SE of Chignik, Alaska · 1890 days ago · 25 km deep · 80 km away
- 3.4126 km SE of Chignik, Alaska · 1890 days ago · 43 km deep · 58 km away
- 3.094 km SSE of Perryville, Alaska · 1890 days ago · 9 km deep · 27 km away
- 3.9105 km SSE of Perryville, Alaska · 1890 days ago · 19 km deep · 40 km away · felt by 1
- 3.3154 km SE of Chignik, Alaska · 1890 days ago · 4 km deep · 93 km away
- 3.294 km SSE of Perryville, Alaska · 1890 days ago · 7 km deep · 24 km away
- 3.4116 km SSE of Perryville, Alaska · 1890 days ago · 16 km deep · 34 km away
- 3.9141 km SE of Chignik, Alaska · 1890 days ago · 25 km deep · 99 km away
- 4.1131 km SE of Chignik, Alaska · 1890 days ago · 34 km deep · 76 km away · felt by 1
- 3.2106 km SSE of Perryville, Alaska · 1890 days ago · 8 km deep · 29 km away
- 4.3164 km SE of Chignik, Alaska · 1890 days ago · 20 km deep · 95 km away
- 4.5154 km SE of Perryville, Alaska · 1890 days ago · 12 km deep · 67 km away · felt by 1
- 3.1165 km SE of Chignik, Alaska · 1890 days ago · 7 km deep · 93 km away
- 2.668 km S of Ivanof Bay, Alaska · 1890 days ago · 35 km deep · 72 km away
- 3.0119 km SSE of Perryville, Alaska · 1890 days ago · 14 km deep · 44 km away
- 2.8157 km SE of Perryville, Alaska · 1890 days ago · 40 km deep · 70 km away
- 3.8122 km SSE of Perryville, Alaska · 1890 days ago · 10 km deep · 51 km away
- 3.2Alaska Peninsula · 1890 days ago · 5 km deep · 53 km away
- 4.4134 km SSE of Chignik, Alaska · 1890 days ago · 27 km deep · 54 km away
- 3.6131 km SE of Perryville, Alaska · 1890 days ago · 69 km deep · 45 km away
- 3.9135 km SE of Perryville, Alaska · 1890 days ago · 26 km deep · 48 km away
- 4.1107 km SE of Perryville, Alaska · 1890 days ago · 36 km deep · 22 km away
- 3.9142 km SE of Perryville, Alaska · 1890 days ago · 23 km deep · 56 km away
- 2.7104 km SSE of Perryville, Alaska · 1890 days ago · 10 km deep · 35 km away
- 3.0147 km SE of Chignik, Alaska · 1890 days ago · 24 km deep · 85 km away
- 4.1135 km SE of Chignik, Alaska · 1890 days ago · 27 km deep · 72 km away
- 4.6155 km SSE of Chignik, Alaska · 1890 days ago · 19 km deep · 77 km away
- 3.0106 km SE of Chignik, Alaska · 1890 days ago · 6 km deep · 74 km away
- 3.2100 km SE of Perryville, Alaska · 1890 days ago · 10 km deep · 18 km away
- 3.2Alaska Peninsula · 1890 days ago · 3 km deep · 28 km away
- 4.2145 km SE of Chignik, Alaska · 1890 days ago · 18 km deep · 83 km away
- 4.2149 km SE of Chignik, Alaska · 1890 days ago · 28 km deep · 87 km away
- 3.4147 km SE of Perryville, Alaska · 1890 days ago · 3 km deep · 62 km away
- 3.3122 km SE of Chignik, Alaska · 1890 days ago · 28 km deep · 58 km away
- 3.0117 km SSE of Perryville, Alaska · 1890 days ago · 24 km deep · 35 km away
The first 60 of at least 200.
Before
- 1.974 km SE of Perryville, Alaska · 1897 days ago · 25 km deep · 16 km away
- 2.243 km S of Chignik, Alaska · 1898 days ago · 48 km deep · 64 km away
- 2.1151 km SSE of Perryville, Alaska · 1899 days ago · 34 km deep · 76 km away
- 1.7south of Alaska · 1900 days ago · 13 km deep · 90 km away
- 1.986 km ESE of Sand Point, Alaska · 1900 days ago · 6 km deep · 83 km away
- 2.242 km S of Ivanof Bay, Alaska · 1901 days ago · 55 km deep · 85 km away
- 2.8139 km SSE of Perryville, Alaska · 1901 days ago · 7 km deep · 59 km away
- 1.896 km SSE of Perryville, Alaska · 1901 days ago · 44 km deep · 19 km away
- 2.1117 km SSE of Perryville, Alaska · 1902 days ago · 33 km deep · 50 km away
- 2.693 km SE of Sand Point, Alaska · 1902 days ago · 10 km deep · 90 km away
- 2.575 km SSE of Perryville, Alaska · 1902 days ago · 32 km deep · 21 km away
- 3.467 km SE of Perryville, Alaska · 1903 days ago · 5 km deep · 20 km away
- 3.088 km ESE of Sand Point, Alaska · 1903 days ago · 6 km deep · 88 km away
- 2.986 km SE of Sand Point, Alaska · 1903 days ago · 5 km deep · 90 km away
- 2.6119 km SSE of Perryville, Alaska · 1904 days ago · 21 km deep · 52 km away
- 2.8135 km SE of Chignik, Alaska · 1904 days ago · 28 km deep · 64 km away
- 2.4150 km SE of Perryville, Alaska · 1910 days ago · 20 km deep · 64 km away
- 1.978 km ESE of Sand Point, Alaska · 1911 days ago · 5 km deep · 87 km away
- 2.158 km E of Sand Point, Alaska · 1911 days ago · 48 km deep · 89 km away
- 2.8125 km SE of Perryville, Alaska · 1912 days ago · 35 km deep · 38 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0219bt4nap. Read Thu, Oct 1, 2026, 4:38 AM UTC.