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Major mag. 7.9 earthquake - Kodiak Island Region, Alaska (USA) on Tuesday, 9 October 1900

Major mag. 7.9 earthquake  - Kodiak Island Region, Alaska (USA) on Tuesday, 9 October 1900
Date & time: Tuesday, 9 October 1900 12:25 UTC
Magnitude: 7.9
Depth: 0.0 km
Epicenter latitude / longitude: 57.09°N / 153.48°W (Alaska, United States)
Nearest volcano: Unnamed 57.87°N/155.42°W (145 km / 90 mi)
Nearby towns and cities:
16 km (10 mi) SW of Old Harbor (pop: 200)
45 km (28 mi) NE of Akhiok (pop: 100)
58 km (36 mi) SE of Larsen Bay (pop: 100)
82 km (51 mi) SW of Womens Bay (pop: 700)
92 km (57 mi) SW of Kodiak Station (pop: 1,300)
101 km (63 mi) SW of Kodiak (pop: 6,300)
Primary data source: USGS
Estimated released energy: 4.5 x 1016 joules (12408 gigawatt hours, equivalent to 1.1 x 107 tons of TNT or 667.2 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
Tue, 9 Oct 12:25 UTCM 7.9Kodiak Island Region, Alaska (USA)USGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!

Aftershocks of the 7.9 quake: Kodiak Island Region, Alaska (USA), 9 Oct 1900 12:25

More info
Recorded aftershocks, latest first (2 quakes):
  • 30 Dec 1901 00:00 UTC
    | M 0.0 |
    0 km (0 mi) depth
    257 km (160 mi) distance
    | USGS | Details
  • 27 Dec 1900 10:15 UTC
    | M 0.0 |
    0 km (0 mi) depth
    231 km (144 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Major mag. 7.9 earthquake - Kodiak Island Region, Alaska (USA) on Tuesday, 9 October 1900

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