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Mag. 1.4 quake - Matanuska-Susitna, 56 mi northeast of Anchorage, Anchorage, Alaska, USA, on Tuesday, Nov 28, 2023, at 06:45 am (Anchorage time) -

A light magnitude 1.4 earthquake hit 90 km (56 mi) away from Anchorage, Alaska,  United States, in the early morning of Tuesday, Nov 28, 2023 at 6.45 am local time (America/Anchorage GMT -8). The quake had a shallow depth of 40 km (25 mi) and was too small to be felt by people.

Mag. 1.4 quake - Matanuska-Susitna, 56 mi northeast of Anchorage, Anchorage, Alaska, USA, on Tuesday, Nov 28, 2023, at 06:45 am (Anchorage time) Mag. 1.4 quake - Matanuska-Susitna, 56 mi northeast of Anchorage, Anchorage, Alaska, USA, on Tuesday, Nov 28, 2023, at 06:45 am (Anchorage time)

Minor magnitude 1.4 earthquake at 40 km depth

28 Nov 14:47 UTC: First to report: USGS after 2 minutes.

Earthquake details

Date & timeNov 28, 2023 14:45:14 UTC -
Local time at epicenterTuesday, Nov 28, 2023, at 06:45 am (America/Anchorage GMT -8)
StatusConfirmed
Magnitude1.4
Depth40.3 km
Epicenter latitude / longitude61.9277°N / 149.0896°W Matanuska-Susitna, Alaska, United States
Seismic antipode61.9277°S / 30.9104°E
Shaking intensityNot felt
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoHayes (179 km / 111 mi)
Weather at epicenter at time of quakeOvercast Clouds -6.5°C (20 F), humidity: 82%, wind: 3 m/s (5 kts) from E
Estimated seismic energy released7.9 x 106 joules (2.21 kilowatt hours) | about seismic energy
Interactive map
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Nearby places

The closest larger town near the epicenter is Fishhook, a town with 4,700 inhabitants in the United States, in 22 km (14 mi) distance to the south, but it is unlikely that the quake was felt there.
Distance Place Max. shaking intensity(*) Region Country
22 km (14 mi)
S of epicenter
Fishhook
(pop: 4,680)
: Not felt
Matanuska-Susitna, Alaska
24 km (15 mi)
SE of epicenter
Sutton-Alpine
(pop: 1,450)
: Not felt
Matanuska-Susitna, Alaska
36 km (22 mi)
SE of epicenter
Chickaloon
(pop: 272)
: Not felt
Matanuska-Susitna, Alaska
37 km (23 mi)
S of epicenter
Palmer
(pop: 6,790)
: Not felt
Matanuska-Susitna, Alaska
37 km (23 mi)
S of epicenter
Lakes
(pop: 8,360)
: Not felt
Matanuska-Susitna, Alaska
43 km (27 mi)
SW of epicenter
Meadow Lakes
(pop: 7,570)
: Not felt
Matanuska-Susitna, Alaska
47 km (29 mi)
NW of epicenter
Susitna North
(pop: 1,260)
: Not felt
Matanuska-Susitna, Alaska
51 km (31 mi)
SW of epicenter
Houston
(pop: 2,210)
: Not felt
Matanuska-Susitna, Alaska
53 km (33 mi)
S of epicenter
Knik River
(pop: 744)
: Not felt
Matanuska-Susitna, Alaska
53 km (33 mi)
SW of epicenter
Knik-Fairview
(pop: 14,900)
: Not felt
Matanuska-Susitna, Alaska
54 km (33 mi)
W of epicenter
Willow Creek
(pop: 2,100)
: Not felt
Matanuska-Susitna, Alaska
64 km (40 mi)
SW of epicenter
Big Lake
(pop: 3,350)
: Not felt
Matanuska-Susitna, Alaska
69 km (43 mi)
NW of epicenter
Talkeetna
(pop: 876)
: Not felt
Matanuska-Susitna, Alaska
72 km (45 mi)
S of epicenter
Eagle River
(pop: 24,800)
: Not felt
Anchorage, Alaska
72 km (45 mi)
S of epicenter
Eagle River
(pop: 24,800)
: Not felt
Anchorage Municipality, Alaska
76 km (48 mi)
E of epicenter
Glacier View
(pop: 234)
: Not felt
Matanuska-Susitna, Alaska
78 km (49 mi)
NW of epicenter
Chase
(pop: 34)
: Not felt
Matanuska-Susitna, Alaska
79 km (49 mi)
SW of epicenter
Point MacKenzie
(pop: 529)
: Not felt
Matanuska-Susitna, Alaska
86 km (54 mi)
SW of epicenter
Susitna
(pop: 18)
: Not felt
Alaska
90 km (56 mi)
SW of epicenter
Anchorage
(pop: 291,200)
: Not felt
Alaska
110 km (68 mi)
S of epicenter
Girdwood
(pop: 2,250)
: Not felt
Anchorage, Alaska
116 km (72 mi)
S of epicenter
Hope
(pop: 192)
: Not felt
Kenai Peninsula, Alaska
122 km (76 mi)
E of epicenter
Nelchina
(pop: 59)
: Not felt
Valdez-Cordova, Alaska
130 km (81 mi)
S of epicenter
Whittier
(pop: 214)
: Not felt
Valdez-Cordova, Alaska
145 km (90 mi)
SW of epicenter
Tyonek
(pop: 171)
: Not felt
Kenai Peninsula, Alaska
161 km (100 mi)
S of epicenter
Moose Pass
(pop: 219)
: Not felt
Kenai Peninsula, Alaska
163 km (101 mi)
N of epicenter
Cantwell
(pop: 219)
: Not felt
Denali, Alaska
165 km (102 mi)
S of epicenter
Cooper Landing
(pop: 289)
: Not felt
Kenai Peninsula, Alaska
170 km (106 mi)
SE of epicenter
Valdez
(pop: 3,870)
: Not felt
Alaska
179 km (111 mi)
SW of epicenter
Sterling
(pop: 5,620)
: Not felt
Kenai Peninsula, Alaska
181 km (112 mi)
SW of epicenter
Nikiski
(pop: 4,490)
: Not felt
Kenai Peninsula, Alaska
186 km (116 mi)
E of epicenter
Glennallen
(pop: 483)
: Not felt
Copper River, Alaska
192 km (119 mi)
SW of epicenter
Soldotna
(pop: 4,540)
: Not felt
Kenai Peninsula, Alaska
192 km (119 mi)
SW of epicenter
Kenai
(pop: 7,660)
: Not felt
Alaska
197 km (122 mi)
E of epicenter
Copper Center
(pop: 328)
: Not felt
Copper River, Alaska
197 km (122 mi)
S of epicenter
Bear Creek
(pop: 1,960)
: Not felt
Kenai Peninsula, Alaska
201 km (125 mi)
E of epicenter
Gakona
(pop: 218)
: Not felt
Copper River, Alaska
205 km (127 mi)
SW of epicenter
Kalifornsky
(pop: 7,850)
: Not felt
Kenai Peninsula, Alaska
224 km (139 mi)
NW of epicenter
Denali National Park
(pop: 217)
: Not felt
Denali, Alaska
236 km (146 mi)
SE of epicenter
Cordova
(pop: 2,200)
: Not felt
Chugach, Alaska
Notes:
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

User-reports for this quake

At magnitude 1.4, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Compare Quake Data

Data for the same earthquake as reported by different agencies

The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag Depth Time GMT
2023-11-28
Epicenter Agency
1.4 40 km
25 mi
14:45:14 21 Km NNE of Fishhook, Alaska USGS (United States Geological Survey)
1.4 10 km
6.2 mi
(*)
14:45:14 Southern Alaska
0 km (0 mi) epicenter difference with USGS
IRIS (Incorporated Research Institutions for Seismology)
Notes:
(*) A depth given as 10 km often means that the the depth of the quake could not determined with sufficient accuracy.

Seismograms

Seismic station: Gloryhole, AK, USA (GHO/AK network) | Distance from quake: 19 km / 12 mi | Show on map | Station Info
Seismic station Gloryhole, AK, USA: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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Previous quakes in the same area of this earthquake

Map of earlier quakes in the area of this quake

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