Minor earthquake, 3.12 mag strikes near Petrolia in CA

A minor earthquake magnitude 3.12 (ml/mb) has occurred on Sunday, 16 kilometers (10 miles) from Petrolia in CA. The earthquake was roughly at a depth of 8.6599998474121 km (5 miles). Global time and date of event 08/12/24 / 2024-12-08 09:22:45 / December 8, 2024 @ 9:22 am UTC/GMT. The temblor was picked up at 09:22:45 / 9:22 am (local time epicenter). Exact location, longitude -124.47316741943° West, latitude 40.299835205078° North, depth = 8.6599998474121 km. Id of earthquake: nc75099406. Event ids that are associated: nc75099406.

Epicenter of the earthquake was 62 km (38 miles) from Eureka (c. 27 200 pop), 71 km (44 miles) from Arcata (c. 17 200 pop), 70 km (43 miles) from Bayside (c. 17 100 pop), 78 km (49 miles) from McKinleyville (c. 15 200 pop), 43 km (26 miles) from Fortuna (c. 11 900 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was McKinleyville, Arcata, Bayside. Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been seven, in the last 10 days one hundred, in the past 30 days one hundred and one and in the last 365 days one hundred and thirty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 130,000 minor quakes in the world each year.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 16 km W of Petrolia, CA.

More information

Parameter	Value	Description
Magnitude	3.12 mb	The magnitude for the event.
Longitude	-124.47316741943° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.299835205078° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	8.6599998474121 km	Depth of the event in kilometers.
Place	16 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	2024-12-08 09:22:45	Time when the event occurred. UTC/GMT
Updated	2024-12-08 09:24:54	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	150	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	25	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.1005	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.09 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	260	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	nc75099406	Id of event.
Event Code	75099406	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc75099406,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.12 mag strikes near Petrolia in CA

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