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2005-2007 ISLAND COUNTY EARTHQUAKES OVER 2.0 MAGNITUDE

There are several fault lines in Island County.  A map showing their approximate locations is available at:  Fault Lines

RECENT EARTHQUAKES

The following information was obtained from the Pacific Northwest Seismographic Network, Recent Quakes page.

MOST RECENT EARTHQUAKE:

5 December 2007

The epicenter was located in Coupeville, just south of Whidbey General Hospital.  The earthquake was relatively deep and probably not felt.

2.2 - duration magnitude
Thursday, Dec 5, 2007 at 6:42:18 PM (PST)
48 deg. 13.0 min. N (48.216N), 122 deg. 40.9 min. W (122.681W)
30.3 km (18.8 miles)

Location

Quality

Good

 MAP

19 July 2007

The epicenter was NE of the Bayview Senior Center and County road Shop near end of Grimm Rd.

(Click for map)

2.3 - duration magnitude
Thursday, July 19, 2007 at 11:02:30 PM (PDT)
48 deg. 0.6 min. N (48.011N), 122 deg. 27.0 min. W (122.450W)
54.6 km (33.9 miles)

Location

Quality

Good

13 June, 2006,

The epicenter is in Oak Harbor on Pioneer Way between Maylor and Pasek Streets.

2.1 - duration magnitude
Wednesday, June 14, 2006 at 3:04:39 (PDT)
48 deg. 17.3 min. N (48.289N), 122 deg. 38.2 min. W (122.637W)
23.9 km (14.9 miles)

Location

Quality

Good

4 June, 2006,

The epicenter was several hundred meters north of SR 525 between Maxwelton Rd and Langley Rd.  The quake was comparatively deep.

2.5 - duration magnitude (Md)
Sunday, 4 June 2006 at 4:39 PM (PDT) 23:39:45 (UTC)
48 deg. 0.2 min. N (48.003N), 122 deg. 24.4 min. W (122.406W)
57.1 km (35.5 miles)

Location

Quality

Good

5 Feb, 2006

The epicenter was several hundred meters west of the epicenter of the 2 Feb quake on approx. the same west to east line.

2.5 - duration magnitude (Md)
Sunday, 5 Feb 2006 at 7:25 AM (PST), 15:25:29 (UTC)
47 deg. 56.8 min. N (47.946N), 122 deg. 24.5 min W (122.408W)
32.1 KM (19.9 miles)

Location

Quality

Good

2 Feb, 2006

The epicenter was just west of Cultus Bay Rd, midway between French and Glendale Rd.

3.3 - duration magnitude (Md)
Thursday,2 Feb 2006 at 5:47 PM (PST) 1:47 (UTC)
47 deg. 57.1 min. N (47.924N), 47.951N), 122 deg. 23.7 min. W (122.396W)
33 km (20 miles)

Location

Quality

Good

9 July, 2005

The epicenter was in the center of Cultus Bay, Whidbey Island.

            

2.4 - duration magnitude (Md)
Saturday,July 9 2005 at 4:16 AM (PDT)
Saturday, July 9, 2005 at 11:16 (UTC)
47 deg. 55.5 min. N (47.924N), 122 deg. 23.7 min. W (122.396W)
30.5 km (19 miles)

Location

Quality

Good

July 2, 2005

The epicenter was in the vicinity Firewood Ln and Fern Ln north of Elger Bay of on Camano Island.

Magnitude

2.2 - duration magnitude (Md)

Time

Saturday,July 2 2005 at 7:46:23 AM (PDT)
Saturday, July 2, 2005 at 22:29:31 (UTC)

Coordinates

48 deg. 8.1min. N (48.136N), 122 deg. 28.8 min. W (122.81W)

Depth

16.9 km (10.5 miles)

Location Quality

Good

May 18, 2005

The epicenter was in the vicinity of Donahey Rd and Rovig Ln., south of Coupeville.

Magnitude

2.5 - duration magnitude (Md)

Time

Wednesday, May 18, 2005 at 7:46:23 AM (PDT)
Wednesday, April 6, 2005 at 14:46:23 (UTC)

Coordinates

48 deg. 8.8min. N (48.147N), 122 deg. 36.2 min. W (122.604W)

Depth

27.2 km (16.9 miles)

Location Quality

Good

April 6, 2005

The epicenter was in the vicinity of the "Kettles" North of Coupeville

Magnitude

2.0 - duration magnitude (Md)

Time

Wednesday, April 6, 2005 at 10:36:41 AM (PDT)
Wednesday, April 6, 2005 at 17:36:41 (UTC)

Coordinates

48 deg. 13.2 min. N (48.219N), 122 deg. 44.1 min. W (122.734W)

Depth

18.8 km (11.7 miles)

Location Quality

Good

April 3, 2005

The epicenter was just offshore in the vicinity of Old Beach Rd, Mutiny Bay

Magnitude

2.1 - duration magnitude (Md)

Time

Sunday, April 3, 2005 at 9:41:01 PM (PDT)
Monday, April 4, 2005 at 4:41:01 (UTC)

Coordinates

48 deg. 0.3 min. N (48.005N), 122 deg. 34.0 min. W (122.566W)

Depth

62.3 km (38.7 miles)

Location Quality

Good

February 3, 2005

The epicenter was in the vicinity of   Twin View Dr. and Classic Rd, Whidbey Island

Magnitude

3.0

Time

Thursday February 3, 2005 at 14:08:4.46 Z (UTC)
Thursday February 3, 2005 at 06:08:4.46 AM (PST)

Coordinates

48.075 deg N
122.574 deg W

Depth

30 km

Quality

fair (CA)


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