[UPDATE 10:17 p.m.] Earthquake!
At approximately 8 p.m., an earthquake shook Humboldt County.
According to Caltech, “The magnitude 5.6 event occurred 89 km (55 miles) WSW of Ferndale, CA. The hypocentral depth is 2 km ( 1 mile).”
Did you feel it?
UPDATE 8:13 p.m.: The report has been updated to state that this is a 5.9 quake! And it occurred at 7:59 p.m.

Map of the quake from here.
UPDATE 8:23 p.m.: According to a tweet from Senator Mike McGuire, “No tsunami is expected due to the 5.9 magnitude #earthquake off of the Humboldt Coast (USGS has upgraded the quake). No early reports of damage or injuries.”
UPDATE 10:17 p.m.: Two aftershocks have struck. The first, a 2.5 magnitude, occurred about 9:10 p.m. and then at 10:01 p.m., a second aftershock of 2.9 occurred.
UPDATE: Cluster of Quakes Shake North Coast Through the Night
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??Fortuna felt it.???
Felt it in Arcata!
I felt it in leggett. Everything was shaking.
Upgraded to 5.9 just now
Felt it good here in Fortuna. Started out slow and then intensified. Hanging lights still swinging.
Exactly the same in Myers Flat ?
and even mad river
Definitely felt it in Blue Lake.
Blocksburg
Felt it out here in Blatantville
USGS has elevated the magnitude to 5.9.
Nice long easy roller in Eureka.
Felt it strong in Garberville
Felt real good in shelter cove
Redcrest crested like a wave. My glass of water levitated to about 14″ above the table before crashing to the floor. Wish I could have caught that on camera.
Good one, lots of vertical movement combined with a noticeable shift to the west.
Hoping everyone is OK.
WOW!!
Rocking and rolling in Miranda.. A slow aftershock..
Felt it strong in Rio Dell, house moved!!
Strong in Fortuna. Knocked over a couple things. Back and forth sway here.
Yes, felt at Myrtle Ave and Harrison Ave. Wasn’t huge, but substantial
Yes. I felt it in McKinleyville. It felt like it lasted a few seconds.
Rocking & rolling in Arcata.
It was great!
Shaken, not stirred, on Pratt Mtn.
My estimate was a 6.0 with some distance and/or depth. 2 out of 3 ain’t bad.
Some time lag from creaking until short but firm rock and roll.
Pratt is pretty solid, thank God.
Monolith perimeter foundation is a nice cushion, too.
Since Pratt is 80 miles from the epicenter, it was probably a 6.0 mag or higher as you mentioned.
I like em. Nice and slow, and long enough to really appreciate, but soon over and happy nothing broke.
Felt it in Covelo Ca in Mendocino Cty too.
Yes, felt at Myrtle Ave and Harrison Ave. Wasn’t huge, but substantial
That was decent mild roller, with some rattling of bookcase, and good legs. The finish tapered off smoothly, with no bitterness of damage, detected….
It’s been awhile since we had a good ground shaker. Next comes the after shocks.
Felt like a sharp South to north jolt here at my place in Eureka. Got everything swinging..
Unusually long, got some things on the shelves rocking pretty well. Won’t be surprised if reports of light damage start coming in.
Felt it pretty good in Bayside. Chandelier swinging from the ceiling but nothing knocked off of shelves.
Pretty violent in Rio. Started slow and then hit hard. Lasted about 5 second
Felt it in southern trinity good little shaker. Hope it don’t fire up the lassics
lassics are not volcanos
Rolling wave felt here in Willits!
Felt in Fort Bragg. Mild.
Heavy gnarly JOLT!!! In Ettersburg. Was serving broccoli and carrots and that pan was tossed on the hot pad on the way out the sliding glass door. WOW. Just wow. Lasted for 3 seconds.
Felt it in Weaverville, Wiggled for a few seconds pretty good.
Felt it in the Cove nice shaker
Felt in Whitethorn too! I felt a small rumble (and heard) and then the bigger part hit.
Good long roll in Loleta. House felt like it was rotating.
Ya i felt the same by Ettersburg. The water in the dog bowl was a wave going in a counter clockwise circle.
Kinda like a spasm in Carlotta. Like the ground, quivered for about ten seconds.
Knocked me down when I stood up to get to a safe place. jolt roll jolt roll
Felt in mckinleyville!
1 mile depth is not very deep…
Just a gentle swaying here, 1 mile north of Iron Peak…maybe 7 to 10 seconds long
Rolled for a while on Table Bluff
One big jolt…then a pause… then about 20 seconds of slow rollers
Just a little wiggle in Ruth
My bed shook in Kettenpom.
Weott on concrete slabs. Heard the rumble and counted to 8 before stopped. Not a lot of swinging here. Shallow., at 2.2 km depth… I expect we’ll have a couple of aftershocks.
AND – we still have internets and power.
Felt it pretty good in benbow about 10 seconds. Did anybody feel it farther south..
I felt it in red bluff
Pretty decent in Blocksburg. Usually they aren’t felt out this way much
I was lying on couch n it went up n down I thought something was under it.
Here in Garberville.
Shaking up the way perception is perceived.
Nice quake in Alderpoint. Shook the house for a long time -Mary Alice says it was about 5 seconds but it felt like 20 to me. She’s probably right. A definite earthquake but I don’t think there was any damage. I like earthquakes that are interesting but not destructive. Hope it wasn’t worse closer to the epicenter.
Animals are supposed to know a quake is coming slightly before humans become aware of it. Zukie, the dog, came into the living room looking west with anxiety. Then lay down somewhat hidden behind some firewood. We attributed it to her being freaked about some gunfire a couple of hours eariler, but now I’m going with the earthquake. The cats did not manifest anything at all before or during the quake.
Of course cats always feel an earthquake coming on before any other animals do. It’s just that cats don’t care about anything except can openers.
Heard more than felt in Fort Bragg. The house started creaking and thumping pretty good.
Have you felt aftershock at 11:40 in Fort Bragg❓
watched the chandeliers a swinging felt like a fiver.thought about getting up, naahh!! seely ck
Felt it in pipe creek!
Felt it here in Big Lagoon. Very small rolling