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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.85 mag strikes near Petrolia in CA

Posted by admin on May 7, 2025 0 Comments

Earthquake location 40.376998901367S, -125.03099822998WA minor earthquake with magnitude 3.85 (ml/mb) was reported 63 kilometers (39 miles) from Petrolia in CA on Wednesday. Event id: nc75178046. Ids that are associated to the earthquake: nc75178046, ew1746651060. The temblor was picked up at 20:50:47 / 8:50 pm (local time epicenter). The earthquake occurred at a depth of 0.15000000596046 km (0 miles). Global time and date of event 07/05/25 / 2025-05-07 20:50:47 / May 7, 2025 @ 8:50 pm UTC/GMT. Exact location, longitude -125.03099822998° West, latitude 40.376998901367° North, depth = 0.15000000596046 km.

Earthquake epicenter was 87 km (54 miles) from Eureka (c. 27 200 pop), 78 km (48 miles) from Fortuna (c. 11 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was Eureka, Fortuna (min 5000 pop). Nearby 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 two, in the past 30 days ten and in the last 365 days two hundred and seventy-five earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 63 km WNW of Petrolia, CA. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.85 mb The magnitude for the event.
Longitude -125.03099822998° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.376998901367° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 0.15000000596046 km Depth of the event in kilometers.
Place 63 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 2025-05-07 20:50:47 Time when the event occurred. UTC/GMT
Updated 2025-05-07 20:55:34 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 3 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 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 229 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,ew, A comma-separated list of network contributors.
Number of Stations Used 104 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.5336 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 248 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 nc75178046 Id of event.
Event Code 75178046 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75178046,ew1746651060, A comma-separated list of event ids that are associated to an event.

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