Minor earthquake, 3.73 mag was detected near Petrolia in CA

A minor earthquake with magnitude 3.73 (ml/mb) was detected on Thursday, 11 kilometers (7 miles) from Petrolia in CA. Exact time and date of earthquake 05/12/24 / 2024-12-05 19:05:54 / December 5, 2024 @ 7:05 pm UTC/GMT. The temblor was reported at 19:05:54 / 7:05 pm (local time epicenter). Id of earthquake: nc75095936. Event ids that are associated: nc75095936. Exact location of earthquake, -124.40816497803° West, 40.341667175293° North, depth 11.890000343323 km. The epicenter of the earthquake was roughly 11.890000343323 km (7 miles) below the earth’s surface.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was McKinleyville, Arcata, Bayside. Event epicenter was 55 km (34 miles) from Eureka (c. 27 200 pop), 64 km (40 miles) from Arcata (c. 17 200 pop), 63 km (39 miles) from Bayside (c. 17 100 pop), 72 km (45 miles) from McKinleyville (c. 15 200 pop), 36 km (22 miles) from Fortuna (c. 11 900 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

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

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 11 km WNW of Petrolia, CA.

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Parameter	Value	Description
Magnitude	3.73 mb	The magnitude for the event.
Longitude	-124.40816497803° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.341667175293° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	11.890000343323 km	Depth of the event in kilometers.
Place	11 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 19:05:54	Time when the event occurred. UTC/GMT
Updated	2024-12-05 19:12:41	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	2.7	The maximum reported intensity for the event.
MMI	2.553	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	214	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	10	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.09671	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.2 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	302	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	nc75095936	Id of event.
Event Code	75095936	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc75095936,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.73 mag was detected near Petrolia in CA

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