Over FIFTY earthquakes in the last several hours in Alaska and still counting, page 27

There has just been a Mag 7.5 there now.


USGS: Magnitude 7.5 - ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA

2006 July 8 20:40:04 UTC

Depth: 15 km

7.5 ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
earthquake.usgs.gov...

Has it been reviewed and changed to a magnitude 6.2?

Yes but it has already been down graded



Magnitude 6.2 - ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA

2006 July 8 20:40:04 UTC

Oops saw that too late...

[edit on 8-7-2006 by zorgon]

Look at this list of quakes for today:
www.aeic.alaska.edu...

I wrote more about this on the Quake Watch 2006 forum. I'm still seeing a 7.47.

Originally posted by DearWife
Look at this list of quakes for today:
www.aeic.alaska.edu...

I wrote more about this on the Quake Watch 2006 forum. I'm still seeing a 7.47.

I see the same here Dearwife.

I think that we can certainly call this another significant swarm!

The magnitudes are really something.

I am going to check out what you have at the other forum Dearwife.

I have a lot of things to check out and anxious to share them here. Somewhat settled in for the evening. Had some problems with the RV, so trying to relax a bit before I dive into it.

I am surprised there is not a few more posts here for this activity.

Where is everyone?

Hey! What about that full moon guys and gals? Some timing.........


[edit on 7/9/2006 by Fringefellow]

Originally posted by Fringefellow
2006/07/05 10:46:15 51.25N 130.45W 10.0* 3.5ML 189 km SW of Bella Bella,BC
Earthquake Canada

Every time there is a quake for either the Explorer, Juan de Fuca, or Gorda plates it is relevant to my observing the coastal PNW.

This 3.5 is on the Northern Explorer Plate , important because as the quakes build off the coast of BC and the coast of Northern California’s Gorda plate, it may be contributing to a build up in pressure on the Juan de Fuca.

So this 3.5 will be another to add to the recent activity for the Gorda Plate.

Offshore BC Canada's Juan de Fuca's Northern Gorda Plate:

2006/06/28 15:15:18 52.90N 132.28W 20.0* 1.7ML 50 km SW of Sandspit,BC
2006/06/28 01:08:54 48.51N 128.82W 10.0* 4.0Mw 224 km SW of Tofino,BC
2006/06/27 23:21:42 48.55N 128.78W 10.0* 4.0Mw 220 km SW of Tofino,BC
2006/06/27 19:01:29 51.15N 130.91W 10.0* 1.9MLSn 222 km SW of Bella Bella,BC
2006/06/26 17:55:16 50.63N 127.55W 4.6 0.6ML 12 km SW of Pt. Hardy,BC
2006/06/25 21:00:19 51.48N 130.71W 10.0* 2.7ML 193 km SW of Bella Bella,BC
2006/06/23 09:03:36 51.48N 130.83W 10.0* 1.7ML 201 km SW of Bella Bella,BC
2006/06/23 07:59:56 51.51N 130.66W 10.0* 1.6ML 189 km SW of Bella Bella,BC
2006/06/23 05:57:27 49.57N 127.24W 20.4 1.6ML 83 km SW of Gold R.,BC
2006/06/23 03:56:41 49.60N 127.21W 20.7 0.5ML 80 km SW of Gold R.,BC


Meanwhile getting the squeeze put on the Juan de Fuca from the South as well:

Off Shore Northern California:

2.8 2006/06/29 02:54:17 40.997-124.498 23.1OFFSHORE NORTHERN CALIFORNIA
3.0 2006/06/28 08:14:22 40.369-125.198 5.0OFFSHORE NORTHERN CALIFORNIA
2.5 2006/06/27 18:00:14 40.689-124.621 9.9OFFSHORE NORTHERN CALIFORNIA
3.2 2006/06/25 17:21:20 40.600-125.647 2.6OFF THE COAST OF NORTHERN CALIFORNIA
3.3 2006/06/21 23:23:22 40.340-124.661 24.8OFFSHORE NORTHERN CALIFORNIA
3.0 2006/06/21 17:12:12 40.341-124.688 19.8OFFSHORE NORTHERN CALIFORNIA

Offshore Northern California’s Gorda Plate and Southern Juan de Fuca updated:

MAP 2.8 2006/07/09 12:10:42 40.873-124.285 19.1OFFSHORE NORTHERN CALIFORNIA


2.8 2006/06/29 02:54:17 40.997-124.498 23.1OFFSHORE NORTHERN CALIFORNIA
3.0 2006/06/28 08:14:22 40.369-125.198 5.0OFFSHORE NORTHERN CALIFORNIA
2.5 2006/06/27 18:00:14 40.689-124.621 9.9OFFSHORE NORTHERN CALIFORNIA
3.2 2006/06/25 17:21:20 40.600-125.647 2.6OFF THE COAST OF NORTHERN CALIFORNIA
3.3 2006/06/21 23:23:22 40.340-124.661 24.8OFFSHORE NORTHERN CALIFORNIA
3.0 2006/06/21 17:12:12 40.341-124.688 19.8OFFSHORE NORTHERN CALIFORNIA

Explorer Plate offshore British Columbia Updated:

2006/07/06 00:28:00 48.39N 125.25W 29.3 2.0ML 66 km SE of Ucluelet,BC
2006/07/06 00:27:59 48.34N 125.27W 28.9 2.0ML 71 km SE of Ucluelet,BC
2006/07/05 10:46:15 51.25N 130.45W 10.0* 3.5ML 189 km SW of Bella Bella,BC
2006/07/04 12:18:17 48.69N 125.98W 29.5 1.2ML 42 km SW of Ucluelet,BC
2006/07/01 21:57:13 47.52N 128.94W 10.0* 3.7Mw 288 km SW of Tofino,BC



2006/06/28 15:15:18 52.90N 132.28W 20.0* 1.7ML 50 km SW of Sandspit,BC
2006/06/28 01:08:54 48.51N 128.82W 10.0* 4.0Mw 224 km SW of Tofino,BC
2006/06/27 23:21:42 48.55N 128.78W 10.0* 4.0Mw 220 km SW of Tofino,BC
2006/06/27 19:01:29 51.15N 130.91W 10.0* 1.9MLSn 222 km SW of Bella Bella,BC
2006/06/26 17:55:16 50.63N 127.55W 4.6 0.6ML 12 km SW of Pt. Hardy,BC
2006/06/25 21:00:19 51.48N 130.71W 10.0* 2.7ML 193 km SW of Bella Bella,BC
2006/06/23 09:03:36 51.48N 130.83W 10.0* 1.7ML 201 km SW of Bella Bella,BC
2006/06/23 07:59:56 51.51N 130.66W 10.0* 1.6ML 189 km SW of Bella Bella,BC
2006/06/23 05:57:27 49.57N 127.24W 20.4 1.6ML 83 km SW of Gold R.,BC
2006/06/23 03:56:41 49.60N 127.21W 20.7 0.5ML 80 km SW of Gold R.,BC


[url=http://www.neptune.washington.edu/documents/WHATSN/cable-new.jpg[longitude and latitude map [/url] for Juan de Fuca, Gorda, and Explorer Plates.

Originally posted by Fringefellow
4.5 2006/07/06 23:26:58 65.287-160.734 5.1NORTHERN ALASKA

Northern Alaska

Not a lot of history for earthquakes.

History of Quakes




[edit on 7/6/2006 by Fringefellow]

Another Northern Alaska Quake. Unusual??

4.4 2006/07/08 09:05:26 65.807-169.641 10.0 33 km ( 20 mi) W of Diomede, AK
4.5 2006/07/06 23:26:58 65.287-160.734 5.1 44 km ( 28 mi) NNE of Koyuk, AK
Link

MAP


Not much of a history for this region as well. 65.807 -169.641

These below are just the 4.0+ quakes over the last two days. It does not include about another 30 or so smaller ones.

It is really something to compare the history of this area from 1973 to present.

There have already been in the last two days about half as many as have been recorded as a whole since 1973!

Seems to be a lot of activity at about the 50km depth as an average since this recent swarm began.

4.1 2006/07/10 06:03:10 51.180-179.058 15.0ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
4.4 2006/07/10 02:06:08 51.418-179.150 49.1ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
4.8 2006/07/09 09:18:36 51.254-179.122 43.1ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
5.3 2006/07/09 06:18:15 51.285-179.213 46.6ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
5.3 2006/07/09 05:46:52 51.171-179.221 53.6ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
4.9 2006/07/09 05:44:36 51.081-179.000 21.1ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
4.1 2006/07/09 05:42:02 51.039-179.010 16.5ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
5.2 2006/07/09 04:16:23 51.252-179.171 50.6ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
4.2 2006/07/09 01:13:29 50.899-179.189 15.0ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
4.8 2006/07/09 00:58:23 51.517-179.187 53.8ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
4.0 2006/07/08 23:12:02 51.900-179.324 10.0ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
5.0 2006/07/08 23:00:42 51.105-179.495 15.0ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
4.6 2006/07/08 21:47:25 50.337-179.446 15.0ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
4.4 2006/07/08 21:35:34 50.899-179.189 15.0ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
4.6 2006/07/08 21:33:40 50.337-179.446 50.0ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
4.2 2006/07/08 21:15:05 51.100-179.318 10.0ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
4.1 2006/07/08 21:15:03 51.019-179.199 6.1ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
4.5 2006/07/08 21:12:58 50.618-179.318 15.0ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
5.3 2006/07/08 20:50:16 51.067-179.224 8.7ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA
6.4 2006/07/08 20:40:05 51.259-179.285 50.8ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA

Pacific Northwest Coastal Stations and map.

July 9 and 10

You would not see it unless you looked at these every day, but this OFR Station is different today in that it shows a lot of noise. Nothing indicating any tremors or anything, just odd….

Same thing for this WISH Station

Same for this HEBO Station. Nothing exciting though.

Again though, these following stations starting with the TOLO Station for Central Oregon Coastal shows significant tremors and many suspect EM signals.

The rest of the PNW coastal states are quiet as well as all stations inland.

How big was the largest earthquake in Alaska?

The largest earthquake recorded in Alaska was a M9.2 that occurred on March 27, 1964 in the Prince William Sound. This was the 2nd largest earthquake ever recorded in world history. The energy released in this earthquake was equivalent to approximately 4 trillion pounds of explosive. The motions on the fault lasted for 4 minutes, rupturing an area about 800 kilometers long and 250 kilometers wide. The average movement on the fault was about 9 meters.

On average, Alaska can expect:


1 M > 8 every 13 years
1 M = 7-8 every year
5 M = 6-7 every year
20 M = 5-6 every year
90 M = 4-5 every year
400 M = 3-4 every year
2100 M = 2-3 every year

I will bet that they have exceeded a couple of these average categories this year. I think perhaps both the M6+ to7.0 as well as the M5+ to 6.

Originally posted by Fringefellow

Originally posted by Fringefellow
4.5 2006/07/06 23:26:58 65.287-160.734 5.1NORTHERN ALASKA

Northern Alaska

Not a lot of history for earthquakes.

History of Quakes




[edit on 7/6/2006 by Fringefellow]

Another Northern Alaska Quake. Unusual??

4.4 2006/07/08 09:05:26 65.807-169.641 10.0 33 km ( 20 mi) W of Diomede, AK
4.5 2006/07/06 23:26:58 65.287-160.734 5.1 44 km ( 28 mi) NNE of Koyuk, AK
Link

MAP


Not much of a history for this region as well. 65.807 -169.641

Man............. This is turning into something up there in this Norhtern Alaska location. This is very unusual indeed.

Today's :

5.1 2006/07/10 15:30:29 65.906 -169.647 10.0 37 km ( 23 mi) WNW of Diomede, AK

They are all at the same depth.

Need to check to see if I can find a little something more out about this area. This is not like the other areas. No little quakes and tremors in between. Each one of them are a real KABOOM!!

[edit on 7/10/2006 by Fringefellow]

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