Minor earthquake, 2.86 mag was detected near Petrolia in CA

A minor earthquake with magnitude 2.86 (ml/mb) was reported 19 kilometers (12 miles) from Petrolia in CA on Monday. The temblor was picked up at 05:54:03 / 5:54 am (local time epicenter). Exact location of event, depth 19.85000038147 km, -124.49050140381° West, 40.263832092285° North. The earthquake was roughly at a depth of 19.85000038147 km (12 miles). Exact time and date of earthquake 26/05/25 / 2025-05-26 05:54:03 / May 26, 2025 @ 5:54 am UTC/GMT. All ids that are associated to the event: nc75186566. Unique identifier: nc75186566.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Arcata, Bayside, Eureka. Event epicenter was 66 km (41 miles) from Eureka (c. 27 200 pop), 75 km (47 miles) from Arcata (c. 17 200 pop), 74 km (46 miles) from Bayside (c. 17 100 pop), 47 km (29 miles) from Fortuna (c. 11 900 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected).

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

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How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 19 km W of Petrolia, CA. This data comes from the USGS Earthquake Notification Service.

Arcata Bayside CA Eureka Fortuna Petrolia United States

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Parameter	Value	Description
Magnitude	2.86 mb	The magnitude for the event.
Longitude	-124.49050140381° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.263832092285° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	19.85000038147 km	Depth of the event in kilometers.
Place	19 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	2025-05-26 05:54:03	Time when the event occurred. UTC/GMT
Updated	2025-05-26 05:55:41	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	126	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	8	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.1623	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.1 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	296	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	nc75186566	Id of event.
Event Code	75186566	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc75186566,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 2.86 mag was detected near Petrolia in CA

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