Minor earthquake, 3.14 mag strikes near Petrolia in CA

A minor earthquake with magnitude 3.14 (ml/mb) was reported 158 km WNW of Petrolia, CA (98 miles) on Friday. The earthquake occurred at a depth of 10 km (6 miles). Event id: nc75182647. Ids that are associated to the earthquake: nc75182647. The temblor was detected at 01:23:29 / 1:23 am (local time epicenter). Exact location of event, depth 10 km, -126.14816666667° West, 40.446333333333° North. Exact time and date of earthquake 16/05/25 / 2025-05-16 01:23:29 / May 16, 2025 @ 1:23 am UTC/GMT.

There are an estimated 130,000 minor quakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days eleven and in the last 365 days one hundred and seventy-five earthquakes of magnitude 3.0 or greater that has occurred nearby.

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Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 158 km WNW of Petrolia, CA.

CA Petrolia

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Parameter	Value	Description
Magnitude	3.14 mb	The magnitude for the event.
Longitude	-126.14816666667° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.446333333333° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	158 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	2025-05-16 01:23:29	Time when the event occurred. UTC/GMT
Updated	2025-05-16 18:40:31	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	reviewed	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	152	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	62	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.371	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.22 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	274	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	nc75182647	Id of event.
Event Code	75182647	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc75182647,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.14 mag strikes near Petrolia in CA

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