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Minor earthquake, 2.87 mag strikes near Petrolia in CA


Earthquake location 40.257331848145S, -124.64616394043WA minor earthquake magnitude 2.87 (ml/mb) strikes 32 kilometers (20 miles) from Petrolia in CA on Thursday. Id of earthquake: nc75096586. Event ids that are associated: nc75096586. Exact location, longitude -124.64616394043° West, latitude 40.257331848145° North, depth = 0.86000001430511 km. The temblor was detected at 22:48:39 / 10:48 pm (local time epicenter). The earthquake was roughly at a depth of 0.86000001430511 km (1 miles). Global time and date of event 05/12/24 / 2024-12-05 22:48:39 / December 5, 2024 @ 10:48 pm UTC/GMT.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Eureka, Fortuna. Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 73 km (45 miles) from Eureka (c. 27 200 pop), 56 km (35 miles) from Fortuna (c. 11 900 pop).

There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been fifty-eight, in the last 10 days sixty, in the past 30 days sixty-two and in the last 365 days eighty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 32 km W of Petrolia, CA. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.87 mb The magnitude for the event.
Longitude -124.64616394043° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.257331848145° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 0.86000001430511 km Depth of the event in kilometers.
Place 32 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 2024-12-05 22:48:39 Time when the event occurred. UTC/GMT
Updated 2024-12-05 22:50:52 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 127 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 17 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2343 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.41 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 276 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 nc75096586 Id of event.
Event Code 75096586 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75096586, A comma-separated list of event ids that are associated to an event.

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