Light earthquake, 4.1 mag strikes near Petrolia in CA

A light earthquake with magnitude 4.1 (ml/mb) was reported 52 kilometers (32 miles) from Petrolia in CA on Friday. Global date and time of event UTC/GMT: 13/06/25 / 2025-06-13 07:44:46 / June 13, 2025 @ 7:44 am. Event ids that are associated to the earthquake: ew1749800690, nc75195021. Id of event: nc75195021. Exact location, longitude -124.89583587647° West, latitude 40.336334228516° North, depth = 2.2300000190735 km. The 4.1-magnitude earthquake has occurred at 07:44:46 / 7:44 am (local time epicenter). The epicenter was at a depth of 2.2300000190735 km (1 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Epicenter of the earthquake was 81 km (50 miles) from Eureka (c. 27 200 pop), 90 km (56 miles) from Arcata (c. 17 200 pop), 90 km (56 miles) from Bayside (c. 17 100 pop), 69 km (43 miles) from Fortuna (c. 11 900 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Arcata, Bayside, Eureka. Country/countries that might be effected, United States (c. 310 233 000 pop).

Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days sixteen and in the last 365 days two hundred and eighty-five earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 52 km WNW of Petrolia, CA.

More information

Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	-124.89583587647° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.336334228516° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	2.2300000190735 km	Depth of the event in kilometers.
Place	52 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	2025-06-13 07:44:46	Time when the event occurred. UTC/GMT
Updated	2025-06-13 07:49:05	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	4	The total number of felt reports
CDI	2.2	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	259	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	,ew,nc,	A comma-separated list of network contributors.
Number of Stations Used	103	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.4257	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.26 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	242	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	nc75195021	Id of event.
Event Code	75195021	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ew1749800690,nc75195021,	A comma-separated list of event ids that are associated to an event.

Earthquakes today

Current and latest world earthquakes breaking news, activity and articles today

Light earthquake, 4.1 mag strikes near Petrolia in CA

Did you feel the quake?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information