4.0 Quake Taps Coastal Humboldt

A 4.0 magnitude earthquake centered off the coast of Northern California shook residents late this evening at about 11:15 PST, approximately 55 kilometers (about 34 miles) west-northwest of Petrolia, at a shallow depth of .06 miles.

Preliminary reports from the USGS ShakeMap indicate that the earthquake was felt in some areas.

Did you feel it?

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22 Please improve the conversation by disagreeing thoughtfully and backing your claims with facts
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dkh
Member
dkh
1 year ago

I didn’t feel it but our Border Collie did. We both felt the smaller one at 11:36. And I’m waiting to see if there was one at 11:44. Husband and Chihuahua still sound asleep.

NoBody
Guest
NoBody
1 year ago

There have literally been hundreds of small quakes ranging from 2.5 up to the low 4’s since we had the 7.0. They are becoming a little less frequent though. Every once in a while I hear my house creak.

https://earthquake.usgs.gov/earthquakes/map/?extent=39.21098,-125.85388&extent=41.76312,-123.57971&range=week&listOnlyShown=true&distanceUnit=mi&map=false

NoBody
Guest
NoBody
1 year ago
Reply to  Kym Kemp

Do you know if the depth is the distance measured below the surface of the water or below the sea floor. If it’s from the surface then 0.06 miles is only about 320 ft. Possible that it was a landslide? Not sure of the water depth at that location.

Jeffersonian
Guest
Jeffersonian
1 year ago
Reply to  NoBody

Deep. It refers to below the sea floor.

melanopsin
Member
1 year ago
Reply to  Jeffersonian

Sorry, I needed a reference for your opinion. 🙂

You are correct for USGS however:

The USGS National Earthquake Information Center uses the World Geodetic System of 1984 (WGS84) geoid as a reference from which earthquake depths are calculated. But other seismic networks may use WGS84, mean sea-level, or the average elevation of the seismic stations that provided arrival-time data for the earthquake location. The choice of reference depth is dependent on the method used to locate the earthquake, which varies by seismic network.

https://www.usgs.gov/faqs/what-does-it-mean-earthquake-occurred-a-depth-0-km-how-can-earthquake-have-a-negative-depth

Last edited 1 year ago
melanopsin
Member
1 year ago
Reply to  NoBody

Try this link to list of earthquakes that includes the map. Click/tap on listed eq to highlight dot on the map. or click/tap dot on map to see eq in list.

https://earthquake.usgs.gov/earthquakes/map/?extent=39.58241,-126.24664&extent=40.98819,-123.0304&listOnlyShown=true&showUSFaults=true&baseLayer=terrain

NoBody
Guest
NoBody
1 year ago
Reply to  melanopsin

That is EXACTLY the same map I linked to in my first post. ?

… and that still doesn’t answer my question.

Last edited 1 year ago
melanopsin
Member
1 year ago
Reply to  NoBody

Well, no, the link you provided has at the end “map=false” — using that link doesn’t show the map.

The answer to your question is here https://kymkemp.com/2024/12/08/415231/#comment-1786705

Mattolian
Guest
Mattolian
1 year ago

Just a little jiggle in the honeydew. Though the after shocks have been unerving while jacking up roofs and floors.

A. Watcher
Guest
A. Watcher
1 year ago

There are no faults. ‘Earthquake faults “ Are repetitive strikes of Directed Energy in the same geographical locations year after year.
Earthquakes are stimulated and or created with Directed or Focused Energy.
“Earthquake faults” are actually substrate’s of conductive materials ie granite or quartz. These veins of conductive materials give the impression of long faults……
In reality the frequency/ energy carries through the entire substrate of conductive materials.
The next target of the U.S Government’s Space Force’s NOAA 20 and 21
The Roger’s Hayward , un-fault. In actuality a substrate of conductive materials……
2024 San Francisco Bay Area’s 8.0 earthquake and conflagrations
Water will rise.

A. Watcher
Guest
A. Watcher
1 year ago

f only scientist’s and intellectuals knew the truth.
All earthquakes since 1958 have been created utilizing low earth orbiting satellites.
These weaponized satellites are placed in geosynchronous, geostationary and Polar orbits.
The next target of NOAA’s 20 and 21 Polar orbiting satellites will be the San Francisco Bay Area’s
8.0 < magnitude
1:36 +~duration
3:03am to 6:46am
Water will rise

Truth Be Told
Member
Truth Be Told
1 year ago
Reply to  A. Watcher

Since earthquake faults don’t exist and since all earthquakes since 1958 have been caused by directed energy from orbiting satellites, how do you explain earthquakes that occurred before 1958?

melanopsin
Member
1 year ago
Reply to  Truth Be Told

Great question! Obvious answer is the older quakes were naturally caused by solar wind effects acting on Earth’s magnetosphere triggering the underground conductive materials. The blanket statement “all earthquakes” as usual is wrong, but doesn’t negate the possibility of the latter part of the statement.

Korina42
Member
1 year ago
Reply to  Truth Be Told

I wondered about that; like the well-documented 1906 San Francisco earthquake, or the 1811-12 New Madrid earthquakes that were strong enough to cause the Mississippi River to flow backwards.
https://en.wikipedia.org/wiki/1811%E2%80%931812_New_Madrid_earthquakes

Here’s a section of the San Andreas fault:

77504_2x3
A. Watcher
Guest
A. Watcher
1 year ago
Reply to  Korina42

The Great San Francisco earthquake of 1906 was created with a ship mounted oscillator. This oscillator was mounted on one of the Great White fleet ships. While it was conveniently anchored in the San Francisco Bay. This Technology was and is Nicola Teslas. He called it the “Death Ray” The U.S Government calls it Directed Energy. This has been mounted on all Defense satellites since 1957

A. Watcher
Guest
A. Watcher
1 year ago
Reply to  A. Watcher

NOAA’s 20 and 21 Polar orbiting Directed energy satellites
Next target San Francisco California,
TransAmerica Pyramid.
8.0< tsunami
3:03am to 4:10am
water will rise

D'Tucker Jebs
Member
1 year ago
Reply to  A. Watcher

How about Lisbon in 1755?
Or the Cascadia earthquake in 1700?

CsMisadventures
Guest
CsMisadventures
1 year ago
Reply to  Korina42

You really can draw a line from it all up CA. For example when you cross over from San Jose to Santa Cruz or south of San Francisco it’s very visible too (the long skinny lakes mark the fault). Pt. Reyes also. It’s actually getting split from the mainland, with the actual point being on the Pacific plate.

A. Watcher
Guest
A. Watcher
1 year ago
Reply to  Truth Be Told

Have you heard about a satellite, ancient in origin referred to as the Black Knight? This Polar satellite and others like it would and did create earthquakes tsunamis and terraformed this planet. This was done to control transhumanism / where we can live or not live because of “natural disasters “
The controllers of the Black Knight satellite are our forefathers. The God’s

Crack up at Squirrels in rabbit holes
Guest
Crack up at Squirrels in rabbit holes
1 year ago
Reply to  A. Watcher

shhh. nanoo, nanoo

melanopsin
Member
1 year ago

Fascinating NSF Data On The Recent 7.0 Quake. The first three links can be useful all the time. The remaining links are specific to 7.0.

Seismic Monitor https://www.iris.edu/app/seismic-monitor/map

Interactive Earthquake Browser (with optional 3-D viewer) https://ds.iris.edu/ieb/index.html

Geophysical Events https://www.earthscope.org/news/geophysical-events/

M 7.0 California (click the Technical Data tab!) https://www.earthscope.org/geophysical-event/m-7-0-california/
Ground Motion Visualization (videos!) for Mww 7.0 OFF COAST OF NORTHERN CALIFORNIA https://ds.iris.edu/spud/gmv/22929930

Event Plots for Mww 7.0 OFF COAST OF NORTHERN CALIFORNIA (videos) https://ds.iris.edu/spud/eventplot/22929900

Teachable Moment presentations capture that unplanned opportunity to bring knowledge, insight, and critical thinking to the classroom following a newsworthy earthquake. PDF https://www.earthscope.org/app/uploads/2024/12/241205_California.pdf Powerpoint (ppt zipped) https://www.earthscope.org/app/uploads/2024/12/241205_California.zip

Last edited 1 year ago