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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.73 mag, 52 km WNW of Petrolia, CA


Earthquake location 40.365833282471S, -124.89433288574WA minor earthquake with magnitude 3.73 (ml/mb) was detected on Tuesday, 52 kilometers (32 miles) from Petrolia in CA. Exact time and date of earthquake 04/02/25 / 2025-02-04 00:55:02 / February 4, 2025 @ 12:55 am UTC/GMT. Exact location of earthquake, longitude -124.89433288574 West, latitude 40.365833282471 North, depth = -0.15000000596046 km. All ids that are associated to the event: ew1738630510, nc75127681. Unique identifier: nc75127681. The earthquake was roughly at a depth of -0.15000000596046 km (-0 miles). The 3.73-magnitude earthquake was detected at 00:55:02 / 12:55 am (local time epicenter).

Earthquake epicenter was 78 km (49 miles) from Eureka (c. 27 200 pop), 67 km (42 miles) from Fortuna (c. 11 900 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Eureka, Fortuna (min 5000 pop).

Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days seven, in the past 30 days nineteen and in the last 365 days two hundred and thirty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 52 km WNW of Petrolia, CA.

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More information

Parameter Value Description
Magnitude 3.73 mb The magnitude for the event.
Longitude -124.89433288574° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.365833282471° North Decimal degrees latitude. Negative values for southern latitudes.
Depth -0.15000000596046 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 2025-02-04 00:55:02 Time when the event occurred. UTC/GMT
Updated 2025-02-04 01:04:05 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 214 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 58 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4288 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.43 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 246 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 nc75127681 Id of event.
Event Code 75127681 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ew1738630510,nc75127681, A comma-separated list of event ids that are associated to an event.

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