2002 Mar 12 and Mar 13/14 Jefferson County, Oklahoma Earthquakes

Origin time 10:52:04.6 UTC/GMT or 4:52:04.6 AM CST, Latitude 34.270degrees N, Longitude 97.630degrees W

Depth 5.0 km, restrained, Magnitude 2.2 (mbLg scale)

Origin time 01:06:29.6 UTC/GMT Mar 14 or 07:06:29.8 PM CST Mar 13, Latitude 34.195degrees N, Longitude 97.613degrees W

Depth 5.0 km, restrained, Magnitude 2.4 (mbLg scale)

SEISMOGRAMS OF THE 2002 MAR12 OKLAHOMA EARTHQUAKE


To help OGS map the felt effects of these earthquakes, would anyone who
felt and/or heard one or both FILL OUT THIS FORM?
Please tell us where you were, and what you experienced in as much detail
as possible. If you felt both earthquakes, please fill the form twice.
To fill the form twice click "Send to Oklahoma Geological Survey" at the
bottom of the form, then click "Clear form and start over".

Or mail to:

Oklahoma Geological Survey
Box 8
Leonard, OK 74043

or to:

Earthquake
Leonard, OK 74043

or E-mail to:

jim@okgeosurvey1.gov (You can't mail directly from this web page).


THE OKLAHOMA GEOLOGICAL SURVEY HAS RECEIVED TWO FELT REPORTS FOR MAR 12:

1. Healdton, Stephens Co., 10 miles north and 1/2 miles east of Ringling
73438: "In home first floor had just gotten out of shower getting ready for
work Didn't hear anything Only felt small shake and watched the chandalier
in the living room swaying back and forth." MM 2.

2. Carter Co., about 3 miles south of Hwy 70 on  N 3070 Rd: "I had been
awake for about 1/2 hour when the quake hit. The quake was more of a jolt
instead of a roller.  Not a sharp jolt though." MM 2.


AND ONE FELT REPORT FOR MAR 13 (MAR 14 GMT):

1.Carter Co., about 3 miles south of Hwy 70 on  N 3070 Rd: "This one I heard
before I felt.  It felt a lot closer than the last one, more of a jolt." MM
2

OKLAHOMA EARTHQUAKE CATALOG INDEX

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