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3.7 Earthquake Shakes Martinez A Bit - Did You Feel It?

A small earthquake centered near Vallejo was felt by some folks in Martinez. Did you feel it?

A 3.7 magnitude earthquake centered 3 miles from Vallejo shook up some people in Martinez, according to Facebook reports. One Patch user, Marshall Cochrane, reported it as well.

According to the U.S. Geological Survey, the quake was centered two miles from Crockett, three miles from Vallejo, with a depth of 5.8 miles.

Where were you when you felt it hit? Tell us in the comments.

Peggy Russell February 16, 2012 at 03:26 AM
Thought the lady upstairs fell and then the whole apartment went boom and a nice shake... Apartment creaks real bad first and then the shake... Nice strong jolt.
Chris Kapsalis February 16, 2012 at 03:39 AM
We used to call these tremors. And earthquake, though I guess not technically, to me, would be at least a 4. Still though, oh, we both did not feel it, just walking in the door at the time. I would say anything short of a 5 would not be an earthquake, then 6 would be a moderate earthquake, and 7 a strong earthquake. A good shaker. A rumbler. Who knows. The scale they use , If I remember right, goes up tens times for every point in magnitude, and also there is the type of earth movement to consider, up down, length and also depth. A small earthquake can do some damage if in the wrong place, time etc. Strength, duration and directions of movement seem to be the three factors that determine the amount of damage in an earthquake.
Jim Caroompas (Editor) February 16, 2012 at 03:42 AM
Chris, your comment is kind of like an earthquake. It short of shakes all over the place.
Chris Kapsalis February 16, 2012 at 03:44 AM
Well maybe I am just a little shaken up after all Jim!
Cheryll February 16, 2012 at 04:01 AM
That was funny you two! :)))
Kevin Flynn February 16, 2012 at 04:03 AM
I thought it was the amp in the next room.........cranked up to "11"
Cheryll February 16, 2012 at 04:12 AM
That must be why Jim missed it!
Marie Guard February 16, 2012 at 05:50 AM
I was on the 3rd floor of the Bray Courthouse for Alhambra's Mock Trial competition. They rocked more than the quake!!
Nancy Rieser February 16, 2012 at 07:18 AM
Well...from "somewhere near Vallejo"...CROCKETT...(sheese, if only the US Geological folks would give us our proper "props"...)if you were are the West side of town, desk lamps fell off desks...I was on the right side of town, and the "KABOOM" sounded like an explosion went off at a refinery.
DIANE BOYLE February 16, 2012 at 03:00 PM
I was in my kitchen bending down to pick something up off of the floor, ( no not me ) when I felt the swaying for a good 5 seconds.......i figured i would stay where I was for the duration, i was close enough to the floor already that if anything too bad happened I would fall only an inch or so..as it turns out, the swaying stopped and all was well.:-)
suzi romack February 16, 2012 at 04:17 PM
my husband felt it as we were sitting at the dining room table and my parrott felt it but the other one did not. If they were out of their cages they would have took flight to me.
Kate Maher February 16, 2012 at 05:26 PM
Did anyone feel the latest one at 9:12 this morning...another 3.7...
Marshall Cochrane February 16, 2012 at 05:36 PM
same location as yesterday. USGA says 3.5. Hope this is "releasing" energy and not "building" energy.
Peggy Russell February 16, 2012 at 05:39 PM
yep, I'm in Pleasant Hill at work and the desk kind of moved, thought someone was walking on the other side of my cubicle, but no checked the web page http://earthquake.usgs.gov/earthquakes/recenteqscanv/Quakes/quakes_all.html and sure enough same as last nite... yikes...
Nancy Rieser February 16, 2012 at 05:41 PM
Yup. This time I felt two big rolls. Thank you, Crockett bedrock, thank you...
Nancy Rieser February 16, 2012 at 06:23 PM
Does anyone know what fault line Crockett sits on? It's too far East for the Hayward Fault. I'm thinking the an unknown Northern stretch of the Calaveres fault...or the bottom half of West Napa Fault?
Douglas Stewart February 16, 2012 at 06:32 PM
I felt the one this morning and my dog started to move in circles
Nancy Perry White February 16, 2012 at 08:21 PM
I felt both. The one this morning was a bit of a sway. My husband was 6 feet from me and he did feel today's but last night felt like a jolt. Neither lasted but a couple of seconds.
Nancy Perry White February 16, 2012 at 08:23 PM
My cat started acting strange late yesterday afternoon and is still "weirded out". I wonder if knows something I don't....hummmmm!!!!
Cheryll February 17, 2012 at 04:30 AM
GOOD question Nancy! I saw a show on the faults in our area and there really are a bunch I never knew about! Would like to see that map.
Nancy Rieser February 17, 2012 at 05:36 AM
If Concord gets its own little fault named after it, I say Crockett should have one too. "The Crockett Fault." Say it loud, say it proud.(...as she does a couple of air snaps over her head.)
Chris Kapsalis February 17, 2012 at 06:50 AM
It looks like the Franklin fault runs under Crockett. Here is a very good zoomable map of Bay area faults and sub faults. http://4.bp.blogspot.com/_DzWFKhu_mdM/S9s9T_lXMjI/AAAAAAAAGO8/xYdKrnR7aE4/s1600/FAM_750k_ReleaseStatement_SAMPLE.jpg
Cheryll February 17, 2012 at 01:36 PM
That is an excellent map! And now I know why the map they kept showing on tv had all those wierd little lines all over it. Well being tha Crocketts is on one side of us and the Concord fault is a couple miles to the other side of us, I think we better buckle up. Thanks Chris!
Nancy Rieser February 17, 2012 at 05:30 PM
Thanks so much Chris! What a great map. Franklin Fault it is.....

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