Magnitude 6.3 Gulf of Alaska 12-Nov-12

There seems to be some confusion about this quake or pair of quakes. Originally posted as a Mag 6.4 this has subsequently been changed to a Mag 5.8 and an addition has been made for the Mag 6.3.
USGS Earthquakes details pages for 5.8
USGS Earthquakes details pages for 6.3

World Globe

  • Magnitude: 6.3
  • Date-Time:
    • Monday, November 12, 2012 @ 20:42:16
    • Location: 57.797°N,  142.809°W
    • Depth: 9.0 km
    • Region: Gulf of Alaska

    • Distances:
      • 253km (157mi) S of Cape Yakataga, Alaska
      • 498km (309mi) W of Juneau, Alaska
      • 553km (344mi) SE of Anchorage, Alaska
      • 548km (341mi) WSW of Whitehorse, Canada
      • 563km (350mi) SE of Knik-Fairview, Alaska
    • Event ID: us2012hwa4

    • Magnitude: 5.8
    • Date-Time:
      • Monday, November 12, 2012 @ 20:42:14 UTC
        Location in Google Maps
        • Location: 57.588°N,  142.876°W
        • Depth: 10.9 km
        • Region: Gulf of Alaska

        • Distances:
          • 248km (154mi) S of Cape Yakataga, Alaska
          • 502km (311mi) W of Juneau, Alaska
          • 544km (338mi) SE of Anchorage, Alaska
          • 549km (341mi) WSW of Whitehorse, Canada
          • 554km (344mi) SE of Knik-Fairview, Alaska
        • Event ID: ak10598710

        The remaining details relate to the Magnitude 6.3

        Location Shake maps Seismicity map
        P-Wave travel times Phase/Tensor data Tsunami bulletin
        Other links (Tsunami bulletin not available for all events)

        Location Map
        Location in Google Maps

        Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

        GFZ Potsdam
        gfz2012wgxy

        Shake Map

        From the original as no shake map has been produced for 2012hwa4


        From the original as no pager alert has been produced for 2012hwa4

        From the original as no pager alert has been produced for 2012hwa4

        Shaking Intensity Map

        From the original as no pager alert has been produced for 2012hwa4

        Shaking Intensity Legend

        From the original as no pager alert has been produced for 2012hwa4

        Seismogram from nearby station.
        plot_fKDAK.II.00.LHZ.2012.317_h900_w640
        (Click the Image for a larger/clearer version)

        Historic Seismicity 2012


        Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green
        From the original as no historic seismicity map has been produced for 2012hwa4

        P-Wave travel times

        Theoretical P-Wave Travel Times City 	Distance
        (degrees) 	Travel Time
        (min:secs) 	Arrival Time
        UTC 	Phase
        Anchorage, Alaska 	4.99	1:15.0	20:43:29.0	Pn
        Seattle, Washington 	15.86	3:43.4	20:45:57.4	Pn
        San Francisco, California 	24.08	5:15.7	20:47:29.7	P
        Los Angeles, California 	28.94	5:59.5	20:48:13.5	P
        Golden, Colorado 	30.12	6:10.0	20:48:24.0	P
        Phoenix, Arizona 	31.98	6:26.4	20:48:40.4	P
        Duluth, Minnesota 	32.14	6:27.8	20:48:41.8	P
        Albuquerque, New Mexico 	33.09	6:36.1	20:48:50.1	P
        Wichita, Kansas 	35.64	6:58.1	20:49:12.1	P
        Honolulu, Hawaii 	38.05	7:18.6	20:49:32.6	P
        St. Louis, Missouri 	38.71	7:24.1	20:49:38.1	P
        Ottawa, Canada 	41.73	7:49.2	20:50:03.1	P
        Knoxville, Tennessee 	43.43	8:03.0	20:50:17.0	P
        Brownsville, Texas 	45.08	8:16.2	20:50:30.2	P
        Washington, D.C. 	45.60	8:20.4	20:50:34.4	P
        Bangor, Maine 	45.74	8:21.5	20:50:35.5	P
        Philadelphia, Pennsylvania 	45.83	8:22.2	20:50:36.2	P
        New York, New York 	45.90	8:22.7	20:50:36.7	P
        Boston, Massachusetts 	46.28	8:25.7	20:50:39.7	P
        Mexico City, Mexico 	49.84	8:53.2	20:51:07.2	P
        Miami, Florida 	54.04	9:24.6	20:51:38.6	P
        Tokyo, Japan 	54.20	9:25.8	20:51:39.8	P
        Bergen, Norway 	59.54	10:03.7	20:52:17.7	P
        Beijing, China 	62.44	10:23.4	20:52:37.4	P
        Moscow, Russia 	66.82	10:52.1	20:53:06.1	P
        London, England 	66.86	10:52.3	20:53:06.3	P
        San Juan, Puerto Rico 	67.46	10:56.1	20:53:10.1	P
        Agana, Guam 	69.36	11:08.0	20:53:22.0	P
        Rome, Italy 	78.57	12:01.9	20:54:15.9	P
        Kathmandu, Nepal 	85.80	12:39.8	20:54:53.8	P
        Lima, Peru 	87.75	12:49.2	20:55:03.2	P
        Brisbane, Australia 	100.41	13:47.1	20:56:01.1	Pdiff
        Wellington, New Zealand 	104.89	14:06.9	20:56:20.9	Pdiff
        Nairobi, Kenya 	123.66	15:30.3	20:57:44.3	Pdiff
        Palmer Station, Antarctica 	137.83	16:33.2	20:58:47.2	Pdiff 

        No USGS moment tensors are available

        10598710_scardec

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