Minor earthquake: M3.8 quake has struck near Petrolia in CA

A minor earthquake with magnitude 3.8 (ml/mb) was reported 64 kilometers (40 miles) from Petrolia in CA on Thursday. Event ids that are associated to the earthquake: nc75096581. Id of event: nc75096581. The earthquake occurred at a depth of -0.019999999552965 km (-0 miles) below the earth’s surface. The temblor was reported at 22:45:13 / 10:45 pm (local time epicenter). Exact location of earthquake, longitude -125.04066467285 West, latitude 40.367332458496 North, depth = -0.019999999552965 km. Date and time of earthquake in UTC/GMT: 05/12/24 / 2024-12-05 22:45:13 / December 5, 2024 @ 10:45 pm.

Nearest cities/city/towns to hypocenter/epicentrum was Fortuna (min 5000 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Event epicenter was 79 km (49 miles) from Fortuna (c. 11 900 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been fourty, in the last 10 days fourty-four, in the past 30 days fourty-six and in the last 365 days seventy-nine earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 130,000 minor quakes in the world.

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How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 64 km WNW of Petrolia, CA.

CA Fortuna Petrolia United States

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Parameter	Value	Description
Magnitude	3.8 mb	The magnitude for the event.
Longitude	-125.04066467285° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.367332458496° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	-0.019999999552965 km	Depth of the event in kilometers.
Place	64 km WNW of Petrolia, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2024-12-05 22:45:13	Time when the event occurred. UTC/GMT
Updated	2024-12-05 22:48:23	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt		The total number of felt reports
CDI		The maximum reported intensity for the event.
MMI		The maximum estimated instrumental intensity for the event.
Alert Level		The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status	automatic	Indicates whether the event has been reviewed by a human.
Tsunami	0	This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG	222	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	nc	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,nc,	A comma-separated list of network contributors.
Number of Stations Used	150	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.5395	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.26 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	230	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	nc75096581	Id of event.
Event Code	75096581	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc75096581,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.8 quake has struck near Petrolia in CA

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