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Minor earthquake: M2.86 quake has struck near Petrolia in CA


Earthquake location 40.206665039062S, -124.56716918945WA minor earthquake with magnitude 2.86 (ml/mb) was reported 27 kilometers (17 miles) from Petrolia in CA on Friday. The temblor was reported at 10:49:15 / 10:49 am (local time epicenter). Exact time and date of earthquake 13/12/24 / 2024-12-13 10:49:15 / December 13, 2024 @ 10:49 am UTC/GMT. Exact location of event, depth 15.189999580383 km, -124.56716918945° West, 40.206665039062° North. Event id: nc75102701. Ids that are associated to the earthquake: nc75102701. The epicenter was at a depth of 15.189999580383 km (9 miles).

Epicenter of the event was 74 km (46 miles) from Eureka (c. 27 200 pop), 56 km (35 miles) from Fortuna (c. 11 900 pop). Nearest cities/city/villages to epicentrum/hypocenter was Eureka, Fortuna (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

In the past 24 hours, there have been four, in the last 10 days one hundred and thirty-three, in the past 30 days one hundred and thirty-three and in the last 365 days one hundred and sixty-four earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Questions or comments?

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. 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: 27 km WSW of Petrolia, CA.

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More information

Parameter Value Description
Magnitude 2.86 mb The magnitude for the event.
Longitude -124.56716918945° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.206665039062° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 15.189999580383 km Depth of the event in kilometers.
Place 27 km WSW 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 2024-12-13 10:49:15 Time when the event occurred. UTC/GMT
Updated 2024-12-13 10:50:45 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 126 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 7 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.3006 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.05 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 310 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 nc75102701 Id of event.
Event Code 75102701 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75102701, A comma-separated list of event ids that are associated to an event.

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