M1.6 earthquake 65 km SW of Tanana, Alaska
A magnitude 1.6 earthquake struck 65 km SW of Tanana, Alaska on Fri, Jul 31, 2020, 7:42 AM AKDT (15:42 UTC), 6 km (3 mi) below the surface.
A larger quake followed: M4.3 46 km NE of Lake Minchumina, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.6 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2020-07-31 15:42:20 UTC
- Depth
- 5.6 km (3.5 mi), shallow
- Epicenter
- 64.717° N, 152.967° 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
- 30
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.346 km NE of Lake Minchumina, Alaska · 2250 days ago · 14 km deep · 95 km away · felt by 11
- 1.6Central Alaska · 2247 days ago · 17 km deep · 94 km away
- 2.124 km SSW of Tanana, Alaska · 2232 days ago · 15 km deep · 45 km away
- 2.131 km SW of Manley Hot Springs, Alaska · 2220 days ago · 38 km deep · 89 km away · felt by 1
- 1.630 km SSW of Manley Hot Springs, Alaska · 2212 days ago · 10 km deep · 95 km away
- 1.762 km NNW of Lake Minchumina, Alaska · 2209 days ago · 6 km deep · 36 km away
- 1.731 km WSW of Manley Hot Springs, Alaska · 2207 days ago · 14 km deep · 83 km away
- 1.674 km ESE of Ruby, Alaska · 2197 days ago · 6 km deep · 57 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0209singvm. Read Fri, Oct 2, 2026, 2:02 PM UTC.