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Minor earthquake 2.83 mag, 32 km W of Petrolia, CA


Earthquake location 40.286834716797S, -124.65633392334WA minor earthquake magnitude 2.83 (ml/mb) has struck on Sunday, 32 kilometers (20 miles) from Petrolia in CA. Event ids that are associated to the earthquake: nc75103431. Id of event: nc75103431. The 2.83-magnitude earthquake has occurred at 10:36:43 / 10:36 am (local time epicenter). Exact location of earthquake, longitude -124.65633392334 West, latitude 40.286834716797 North, depth = 0.60000002384186 km. The earthquake occurred at a depth of 0.60000002384186 km (0 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 15/12/24 / 2024-12-15 10:36:43 / December 15, 2024 @ 10:36 am.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 71 km (44 miles) from Eureka (c. 27 200 pop), 55 km (34 miles) from Fortuna (c. 11 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was Eureka, Fortuna (min 5000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor earthquakes in the world each year. In the past 24 hours, there have been five, in the last 10 days one hundred and fourty-five, in the past 30 days one hundred and fourty-eight and in the last 365 days one hundred and seventy-seven earthquakes of magnitude 3.0 or greater that have been detected nearby.

Questions or comments?

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. 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: 32 km W of Petrolia, CA.

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More information

Parameter Value Description
Magnitude 2.83 mb The magnitude for the event.
Longitude -124.65633392334° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.286834716797° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 0.60000002384186 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 2024-12-15 10:36:43 Time when the event occurred. UTC/GMT
Updated 2024-12-15 10:38:18 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 123 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 15 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.24 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.53 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 nc75103431 Id of event.
Event Code 75103431 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75103431, A comma-separated list of event ids that are associated to an event.

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