Minor earthquake: M3.15 quake has struck near Petrolia in CA

A minor earthquake magnitude 3.15 (ml/mb) has occurred on Monday, 28 kilometers (17 miles) from Petrolia in CA. The earthquake occurred at a depth of 16.239999771118 km (10 miles) below the earth’s surface. The temblor was reported at 02:28:38 / 2:28 am (local time epicenter). Exact location of event, longitude -124.61100006103 West, latitude 40.298000335693 North, depth = 16.239999771118 km. Unique identifier: nc75146001. Ids that are associated to the event: nc75146001. Exact time and date of earthquake 10/03/25 / 2025-03-10 02:28:38 / March 10, 2025 @ 2:28 am UTC/GMT.

Closest city/cities/towns to epicentrum/hypocenter was Arcata, Bayside, Eureka (min 5000 pop). Epicenter of the event was 68 km (42 miles) from Eureka (c. 27 200 pop), 77 km (48 miles) from Arcata (c. 17 200 pop), 76 km (47 miles) from Bayside (c. 17 100 pop), 51 km (32 miles) from Fortuna (c. 11 900 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

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

Did you feel it?

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. 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: 28 km W of Petrolia, CA.

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Parameter	Value	Description
Magnitude	3.15 mb	The magnitude for the event.
Longitude	-124.61100006103° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.298000335693° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	16.239999771118 km	Depth of the event in kilometers.
Place	28 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	2025-03-10 02:28:38	Time when the event occurred. UTC/GMT
Updated	2025-03-10 02:30:41	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	153	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	46	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.2055	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.19 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	245	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	nc75146001	Id of event.
Event Code	75146001	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc75146001,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.15 quake has struck near Petrolia in CA

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