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Minor earthquake: M2.84 quake has struck near Petrolia in CA


Earthquake location 40.339168548584S, -124.5556640625WA minor earthquake magnitude 2.84 (ml/mb) has struck on Friday, 23 kilometers (14 miles) from Petrolia in CA. The epicenter of the earthquake was roughly 20.590000152588 km (13 miles) below the earth’s surface. Exact location of earthquake, longitude -124.5556640625 West, latitude 40.339168548584 North, depth = 20.590000152588 km. Global date and time of event UTC/GMT: 07/11/25 / 2025-11-07 22:09:51 / November 7, 2025 @ 10:09 pm. The 2.84-magnitude earthquake was detected at 22:09:51 / 10:09 pm (local time epicenter). All ids that are associated to the event: nc75260306. Unique identifier: nc75260306.

Closest city/cities/towns to epicentrum/hypocenter was Arcata, Bayside, Eureka (min 5000 pop). Epicenter of the earthquake was 61 km (38 miles) from Eureka (c. 27 200 pop), 71 km (44 miles) from Arcata (c. 17 200 pop), 70 km (43 miles) from Bayside (c. 17 100 pop), 44 km (28 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. In the past 24 hours, there have been 0, in the last 10 days one, in the past 30 days four and in the last 365 days two hundred and seventy-nine earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 1,300,000 minor earthquakes in the world.

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: 23 km W of Petrolia, CA.

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More information

Parameter Value Description
Magnitude 2.84 mb The magnitude for the event.
Longitude -124.5556640625° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.339168548584° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.590000152588 km Depth of the event in kilometers.
Place 23 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 2025-11-07 22:09:51 Time when the event occurred. UTC/GMT
Updated 2025-11-07 22:11:28 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 124 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 16 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1706 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.13 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 292 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 nc75260306 Id of event.
Event Code 75260306 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75260306, A comma-separated list of event ids that are associated to an event.

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