Minor earthquake, 2.89 mag was detected near Petrolia in CA

A minor earthquake magnitude 2.89 (ml/mb) has occurred on Tuesday, 66 km WNW of Petrolia, CA (41 miles). The 2.89-magnitude earthquake was detected at 21:46:26 / 9:46 pm (local time epicenter). Exact location, longitude -125.06300354004° West, latitude 40.380832672119° North, depth = 15.770000457764 km. The earthquake occurred at a depth of 15.770000457764 km (10 miles) below the earth’s surface. Unique identifier: nc75187371. Ids that are associated to the event: nc75187371. Global date and time of event UTC/GMT: 27/05/25 / 2025-05-27 21:46:26 / May 27, 2025 @ 9:46 pm.

Each year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been 0, in the last 10 days seven, in the past 30 days fourteen and in the last 365 days two hundred and eighty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 66 km WNW of Petrolia, CA. This information comes from the USGS Earthquake Notification Service.

CA Petrolia

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Parameter	Value	Description
Magnitude	2.89 mb	The magnitude for the event.
Longitude	-125.06300354004° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.380832672119° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	15.770000457764 km	Depth of the event in kilometers.
Place	66 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	2025-05-27 21:46:26	Time when the event occurred. UTC/GMT
Updated	2025-05-27 21:47:52	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	128	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	19	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.5662	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.31 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	285	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	md	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	nc75187371	Id of event.
Event Code	75187371	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc75187371,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 2.89 mag was detected near Petrolia in CA

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