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Past earthquakes near Redoubt volcano: 2021 - list, stats and map

Updated: Nov 28, 2022 16:23 GMT -
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Quakes in 2021:

  • 4 quakes above magnitude 3
  • 16 quakes between magnitude 2 and 3
  • 15 quakes below magnitude 2 that people normally don't feel.
In 2021, Redoubt volcano had 4 quakes of magnitude 3.0 or above and 16 quakes between 2.0 and 3.0. There were also 15 quakes below magnitude 2.0 which people don't normally feel. See all quakes in the past 24 hours!

Strongest quake: Mag. 3.4 | 132 mi SW of Alaska City, Anchorage, Alaska, USA -

...Read more

Earthquake Catalog

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Earthquake depth plot
Depth and magnitude of quakes versus time plot
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Showing quakes magnitude 0.1 or higher (35 quakes):
Date and timeMag
Depth
DistanceLocationDetailsMap
Saturday, December 25, 2021 GMT (1 quake)
Dec 24, 2021 5:36 pm (GMT -9) (Dec 25, 2021 02:36 GMT)
3.0

123 km
44 km (27 mi)56 mi northwest of Anchor Point, Kenai Peninsula, Alaska, USA MoreMap
Thursday, December 23, 2021 GMT (1 quake)
Dec 22, 2021 9:43 pm (GMT -9) (Dec 23, 2021 06:43 GMT)
0.3

0.9 km
39 km (24 mi)65 Km E of Port Alsworth, Alaska MoreMap
Tuesday, December 21, 2021 GMT (1 quake)
Dec 21, 2021 1:52 am (GMT -9) (Dec 21, 2021 10:52 GMT)
2.0

137 km
40 km (25 mi)62 Km E of Port Alsworth, Alaska MoreMap
Sunday, December 19, 2021 GMT (1 quake)
Dec 19, 2021 2:48 pm (GMT -9) (Dec 19, 2021 23:48 GMT)
2.2

163 km
30 km (19 mi)79 Km NE of Port Alsworth, Alaska MoreMap
Thursday, December 9, 2021 GMT (1 quake)
Dec 8, 2021 11:55 pm (GMT -9) (Dec 9, 2021 08:55 GMT)
2.1

137 km
41 km (25 mi)62 Km E of Port Alsworth, Alaska MoreMap
Thursday, November 18, 2021 GMT (1 quake)
Nov 18, 2021 12:09 am (GMT -9) (Nov 18, 2021 09:09 GMT)
2.5

134 km
39 km (24 mi)54 mi northwest of Anchor Point, Kenai Peninsula, Alaska, USA MoreMap
Monday, October 25, 2021 GMT (1 quake)
Oct 24, 2021 6:53 pm (GMT -8) (Oct 25, 2021 02:53 GMT)
1.5

144 km
33 km (21 mi)66 Km E of Port Alsworth, Alaska MoreMap
Saturday, October 16, 2021 GMT (1 quake)
Oct 16, 2021 4:54 am (GMT -8) (Oct 16, 2021 12:54 GMT)
1.5

184 km
40 km (25 mi)55 Km E of Port Alsworth, Alaska MoreMap
Tuesday, September 14, 2021 GMT (1 quake)
Sep 14, 2021 1:54 pm (GMT -8) (Sep 14, 2021 21:54 GMT)
3.0

140 km
30 km (19 mi)126 mi southwest of Alaska City, Anchorage, Alaska, USA MoreMap
Saturday, August 28, 2021 GMT (1 quake)
Aug 27, 2021 4:50 pm (GMT -8) (Aug 28, 2021 00:50 GMT)
2.8

142 km
42 km (26 mi)133 mi southwest of Alaska City, Anchorage, Alaska, USA MoreMap
Wednesday, August 18, 2021 GMT (1 quake)
Aug 17, 2021 7:57 pm (GMT -8) (Aug 18, 2021 03:57 GMT)
2.2

136 km
35 km (22 mi)65 Km E of Port Alsworth, Alaska MoreMap
Friday, July 30, 2021 GMT (1 quake)
Jul 30, 2021 10:34 GMT
1.5

141 km
42 km (26 mi)62 Km E of Port Alsworth, Alaska MoreMap
Wednesday, July 14, 2021 GMT (1 quake)
Jul 14, 2021 06:30 GMT
1.7

137 km
39 km (24 mi)63 Km E of Port Alsworth, Alaska MoreMap
Tuesday, July 6, 2021 GMT (1 quake)
Jul 5, 2021 7:07 pm (GMT -8) (Jul 6, 2021 03:07 GMT)
3.1

129 km
33 km (21 mi)128 mi southwest of Alaska City, Anchorage, Alaska, USA MoreMap
Friday, July 2, 2021 GMT (1 quake)
Jul 2, 2021 17:48 GMT
1.9

122 km
38 km (24 mi)61 Km E of Port Alsworth, Alaska MoreMap
Friday, June 18, 2021 GMT (1 quake)
Jun 18, 2021 13:00 GMT
2.0

145 km
41 km (25 mi)60 Km E of Port Alsworth, Alaska MoreMap
Thursday, June 17, 2021 GMT (1 quake)
Jun 17, 2021 21:29 GMT
1.3

164 km
41 km (25 mi)53 Km E of Port Alsworth, Alaska MoreMap
Saturday, June 12, 2021 GMT (1 quake)
Jun 12, 2021 09:12 GMT
1.9

167 km
33 km (21 mi)87 Km NE of Port Alsworth, Alaska MoreMap
Thursday, June 10, 2021 GMT (1 quake)
Jun 10, 2021 16:39 GMT
0.6

127 km
33 km (21 mi)67 Km E of Port Alsworth, Alaska MoreMap
Sunday, June 6, 2021 GMT (1 quake)
Jun 6, 2021 22:48 GMT
2.2

151 km
35 km (22 mi)57 Km ENE of Port Alsworth, Alaska MoreMap
Tuesday, May 25, 2021 GMT (1 quake)
May 25, 2021 00:51 GMT
1.5

142 km
42 km (26 mi)61 Km E of Port Alsworth, Alaska MoreMap
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Estimated combined seismic energy released: 1.9 x 1010 joules (5.23 megawatt hours, equivalent to 4.5 tons of TNT) | about seismic energy

Earthquake statistics

Has seismic activity increased or decreased? Check the Quake-O-Meter!
Number of earthquakes over time:
Number of quakes over time
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Magnitude distribution and energy released:
Number of quakes and energy over magnitudeMagnitudes of quakes and energy over time
Location of Redoubt volcano (Image creators: Schaefer, Janet and Cameron, Cheryl;
Location of Redoubt volcano (Image creators: Schaefer, Janet and Cameron, Cheryl;
Sun, 13 Jan 2013, 11:05

Magnitude 4.6 earthquake near Redoubt volcano, Alaska

At 3:45 (local time)an earthquake struck the Cook inlet. The University of Alaska put its location just a few miles from Redoubt volcano, which last erupted explosively in 2009. ... Read all
Wed, 7 Apr 2010, 06:00

Redoubt volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 7 April-13 April 2010 (New Activity / Unrest)

AVO reported that the rate of small earthquakes in the vicinity of Redoubt's summit approached background levels during 7-11 April. Gas measurements on 8 April were consistent with a passively degassing and cooling lava dome. The Volcano Alert Level was lowered to Normal and the Aviation Color Code was lowered to Green on 12 April. ... Read all
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