Minor earthquake, 3.25 mag was detected near Petrolia in CA

A minor earthquake magnitude 3.25 (ml/mb) has struck on Friday, 26 kilometers (16 miles) from Petrolia in CA. Global time and date of event 20/12/24 / 2024-12-20 23:18:56 / December 20, 2024 @ 11:18 pm UTC/GMT. Event ids that are associated to the earthquake: nc75106051. Id of event: nc75106051. The epicenter was at a depth of 18.010000228882 km (11 miles). The 3.25-magnitude earthquake has occurred at 23:18:56 / 11:18 pm (local time epicenter). Exact location of earthquake, -124.58499908447° West, 40.291999816895° North, depth 18.010000228882 km.

Closest city/cities/towns to epicentrum/hypocenter was Arcata, Bayside, Eureka (min 5000 pop). Earthquake epicenter was 67 km (42 miles) from Eureka (c. 27 200 pop), 77 km (48 miles) from Arcata (c. 17 200 pop), 75 km (47 miles) from Bayside (c. 17 100 pop), 50 km (31 miles) from Fortuna (c. 11 900 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days thirty-three, in the past 30 days one hundred and sixty-four and in the last 365 days one hundred and ninety-three 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.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 26 km W of Petrolia, CA.

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Parameter	Value	Description
Magnitude	3.25 mb	The magnitude for the event.
Longitude	-124.58499908447° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.291999816895° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	18.010000228882 km	Depth of the event in kilometers.
Place	26 km W 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	2024-12-20 23:18:56	Time when the event occurred. UTC/GMT
Updated	2024-12-20 23:20:59	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	162	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	27	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.1855	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.08 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	275	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	nc75106051	Id of event.
Event Code	75106051	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc75106051,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.25 mag was detected near Petrolia in CA

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