Minor earthquake: M3.09 quake has struck near Petrolia in CA

A minor earthquake with magnitude 3.09 (ml/mb) was detected on Monday, 64 kilometers (40 miles) from Petrolia in CA. The 3.09-magnitude earthquake has occurred at 07:05:31 / 7:05 am (local time epicenter). Global date and time of event UTC/GMT: 16/12/24 / 2024-12-16 07:05:31 / December 16, 2024 @ 7:05 am. The epicenter of the earthquake was roughly 8.3500003814697 km (5 miles) below the earth’s surface. Unique identifier: nc75103841. Ids that are associated to the event: nc75103841. Exact location of event, longitude -125.03500366211 West, latitude 40.385665893555 North, depth = 8.3500003814697 km.

Closest city/cities/towns to epicentrum/hypocenter was Fortuna (min 5000 pop). The epicenter was 78 km (48 miles) from Fortuna (c. 11 900 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

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

Did you feel the quake?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 64 km WNW of Petrolia, CA.

CA Fortuna Petrolia United States

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Parameter	Value	Description
Magnitude	3.09 mb	The magnitude for the event.
Longitude	-125.03500366211° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.385665893555° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	8.3500003814697 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	2024-12-16 07:05:31	Time when the event occurred. UTC/GMT
Updated	2024-12-16 07:12:17	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	147	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	43	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.5381	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.24 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	262	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	nc75103841	Id of event.
Event Code	75103841	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc75103841,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.09 quake has struck near Petrolia in CA

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