Strong mag. 6.1 earthquake - 97km WNW of Willow, Alaska on Thursday, 25 September 2014

Strong mag. 6.2 earthquake - Matanuska-Susitna Parish, 13 mi west of Skwentna, Matanuska-Susitna, Alaska, USA, on Thursday, September 25, 2014 09:51:17

Strong mag. 6.2 earthquake - Matanuska-Susitna Parish, 13 mi west of Skwentna, Matanuska-Susitna, Alaska, USA, on Thursday, September 25, 2014 09:51:17

Strong magnitude 6.2 earthquake at 103 km depth

25 Sep 17:55 UTC: First to report: USGS after 4 minutes.
Hypocenter depth recalculated from 101.7 to 102.8 km.
Date & time: Sep 25, 2014 17:51:17 UTC
Local time at epicenter: Thursday, September 25, 2014 09:51:17
Magnitude: 6.2
Depth: 102.8 km
Epicenter latitude / longitude: 61.9527°N / 151.7849°W (Matanuska-Susitna, Alaska, United States)
Antipode: 61.953°S / 28.215°E
Nearest volcano: Hayes (50 km / 31 mi)
Nearby towns and cities:
21 km (13 mi) WSW of Skwentna (pop: 37) --> See nearby quakes!
94 km (59 mi) WNW of Willow (pop: 2,100) --> See nearby quakes!
108 km (67 mi) WNW of Big Lake (pop: 3,350) --> See nearby quakes!
125 km (78 mi) WNW of Knik-Fairview (pop: 14,900) --> See nearby quakes!
129 km (80 mi) NW of Alaska City (pop: 298,700) --> See nearby quakes!
130 km (81 mi) WNW of Wasilla (pop: 9,280) --> See nearby quakes!
136 km (84 mi) W of Fishhook (pop: 4,680) --> See nearby quakes!
137 km (85 mi) WNW of Eagle River (pop: 24,800) --> See nearby quakes!
137 km (85 mi) WNW of Eagle River (Anchorage) (pop: 24,800) --> See nearby quakes!
146 km (91 mi) WNW of Palmer (pop: 6,790) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.3 x 1014 joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 atomic bombs!) More info
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Data for the same earthquake reported by different agencies

Info: 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.DepthLocationSource
6.2103 km95km WNW of Willow, AlaskaUSGS
6.0100 kmCentral AlaskaGFZ
6.2102 km SOUTHERN ALASKAEMSC
6.2103 kmNW of Willow, AlaskaGeoAu
shake map
(shakemap: USGS)

User reports for this quake (28)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Knik, Alaska / Moderate shaking (MMI V)
Pittman Road, Wasilla, AK (122.8 km ESE of epicenter) [Map] / Moderate shaking (MMI V) : Was in bed. Felt like vibrating bed  
James Drive, Anchorage, AK (138 km SE of epicenter) [Map] / Moderate shaking (MMI V)
Hatcher's Pass Willow Alaska / Moderate shaking (MMI V) : I was talking on the phone to my girlfriend and all of the sudden I felt a large jolt. And then the whole house began to shake!! I knew immediately that this quake was a little stronger than average. I live on the   
Hatcher's Pass Willow Alaska / Very strong shaking (MMI VII) : I was talking on the phone to my girlfriend and all of the sudden I felt a large jolt. And then the whole house began to shake!! I knew immediately that this quake was a little stronger than average. I live on the   
Hatcher's Pass Willow Alaska / Very strong shaking (MMI VII) : I was talking on the phone to my girlfriend and all of the sudden I felt a large jolt. And then the whole house began to shake!! I knew immediately that this quake was a little stronger than average. I live on the   
Wasilla, Alaska near Ron Larson Elementary / not felt : I live in Wasilla - & I did not actually FEEL movement yesterday when the earthquake was going on, but I certainly knew it was a quake - I heard a lot of rumbling & rattling of things & the hanging light fixture was swaying; though I think the   
Anchorage Alaska / Strong shaking (MMI VI)
Ingelheim Germany / Violent shaking (MMI IX) : I was at the airport on my way home to Germany . First a litter shatter, than the typical rolling. Unmistakebel. Everybody was very relaxed about it.  
Bradenton Florida 34$07 / Violent shaking (MMI IX)
Wasilla / Very strong shaking (MMI VII)
Palmer, Alaska / Moderate shaking (MMI V) : House was shaking. lamps jumping and moving out of place. mirrors moving. light fixtures swinging. earths movement ecalated. walls and roof made creking and moaning sounds. we took cover under sturdy furniture.  
Anchorage, AK / Violent shaking (MMI IX) : At conference, people very alarm.  
Fairbanks / Light shaking (MMI IV) : Woke me up from my sleep.  
4603 n. Pittman rd, Wasilla,AK (125.8 km ESE of epicenter) [Map] / Light shaking (MMI IV) : First was very weak stopped and next one was worse, shook for quite a few seconds, light fixtures swayed, the whole upstairs swayed, thought window was going to burst, cupboards rattled.  
Anchorage Alaska (131.1 km SE of epicenter) [Map] / Moderate shaking (MMI V) : Good roller! I'm in an apartment (2nd story) with very few fixtures/furniture, but I felt the whole building rolling. Lasted much longer than the Hawaii quakes I've become accustomed to.  
JBER (134.6 km SE of epicenter) [Map] / Moderate shaking (MMI V) : JBER  
Anchorage (128.9 km SE of epicenter) [Map] / Moderate shaking (MMI V)
Eagle River / Moderate shaking (MMI V) : My first real earthquake here. I am still shaking.   
Anchorage Ak 99516 / Moderate shaking (MMI V) : The shaking lasted abou  
JBER ak / Moderate shaking (MMI V)
JBER / Moderate shaking (MMI V)
Knik, AK / Severe shaking (MMI VIII) : I was lying in bed and the earth started to rumble and shake! My mirrored wardrobe closets were shaking and vibrating uncontrollably. This went on for apx 15 seconds, it was very scary!  
Chickaloon, AK 99674 (2723.2 km ESE of epicenter) [Map] / Moderate shaking (MMI V) : Very definite shaking, although nothing fell off the shelves.  
Chugiak, AK (137.1 km ESE of epicenter) [Map] / Moderate shaking (MMI V)
Providence medical center Anchorage / Very strong shaking (MMI VII)
Palmer alaska / Strong shaking (MMI VI)
Athens (Greece, 8917 km E of epicenter) : How is it possible to disregard this ? 2014-09-25, 16:33:58 UTC --- 37.65 N, 15.10 E --- Ml:3.3 Etna (reported through EMSC)  
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Aftershocks

More info

Recorded aftershocks, latest first (159 quakes)

  • 23 Mar 2015 03:07 UTC
    | M 2.2 |
    131.5 km (81.7 mi) depth
    |
    28 km (17 mi) distance
    | USGS | Details
  • 21 Mar 2015 14:42 UTC
    | M 2.7 |
    73.7 km (45.8 mi) depth
    |
    66 km (41 mi) distance
    | USGS | Details
  • 20 Mar 2015 05:48 UTC
    | M 3.1 |
    46.3 km (28.8 mi) depth
    |
    66 km (41 mi) distance
    | USGS | Details
  • 19 Mar 2015 21:55 UTC
    | M 2.0 |
    36.7 km (22.8 mi) depth
    |
    58 km (36 mi) distance
    | USGS | Details
  • 18 Mar 2015 22:50 UTC
    | M 2.0 |
    97.8 km (60.8 mi) depth
    |
    64 km (40 mi) distance
    | USGS | Details
  • 18 Mar 2015 06:18 UTC
    | M 2.5 |
    111.4 km (69.2 mi) depth
    |
    70 km (43 mi) distance
    | USGS | Details
  • 18 Mar 2015 05:02 UTC
    | M 2.2 |
    0.1 km (0.1 mi) depth
    |
    55 km (34 mi) distance
    | USGS | Details
  • 17 Mar 2015 20:42 UTC
    | M 2.6 |
    78.4 km (48.7 mi) depth
    |
    55 km (34 mi) distance
    | USGS | Details
  • 15 Mar 2015 01:15 UTC
    | M 2.0 |
    62.4 km (38.8 mi) depth
    |
    39 km (24 mi) distance
    | USGS | Details
  • 11 Mar 2015 07:29 UTC
    | M 2.0 |
    66.4 km (41.3 mi) depth
    |
    56 km (35 mi) distance
    | USGS | Details
  • 10 Mar 2015 15:57 UTC
    | M 2.9 |
    122.4 km (76.1 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 09 Mar 2015 05:01 UTC
    | M 2.0 |
    50.3 km (31.3 mi) depth
    |
    62 km (39 mi) distance
    | USGS | Details
  • 06 Mar 2015 07:11 UTC
    | M 2.9 |
    0.1 km (0.1 mi) depth
    |
    74 km (46 mi) distance
    | USGS | Details
  • 05 Mar 2015 21:03 UTC
    | M 3.2 |
    91.8 km (57 mi) depth
    |
    30 km (19 mi) distance
    | USGS | Details
  • 05 Mar 2015 03:48 UTC
    | M 2.5 |
    104.1 km (64.7 mi) depth
    |
    71 km (44 mi) distance
    | USGS | Details
  • 05 Mar 2015 03:38 UTC
    | M 2.1 |
    60.3 km (37.5 mi) depth
    |
    66 km (41 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

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