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Minor earthquake, 2.83 mag was detected near Petrolia in CA


Earthquake location 40.307834625244S, -124.57516479492WA minor earthquake magnitude 2.83 (ml/mb) strikes 25 kilometers (16 miles) from Petrolia in CA on Tuesday. Exact location of event, longitude -124.57516479492 West, latitude 40.307834625244 North, depth = 16.510000228882 km. The 2.83-magnitude earthquake was detected at 00:37:54 / 12:37 am (local time epicenter). Unique identifier: nc75104201. Ids that are associated to the event: nc75104201. The epicenter was at a depth of 16.510000228882 km (10 miles). Exact time and date of earthquake 17/12/24 / 2024-12-17 00:37:54 / December 17, 2024 @ 12:37 am UTC/GMT.

Country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 65 km (40 miles) from Eureka (c. 27 200 pop), 75 km (46 miles) from Arcata (c. 17 200 pop), 73 km (46 miles) from Bayside (c. 17 100 pop), 48 km (30 miles) from Fortuna (c. 11 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was Arcata, Bayside, Eureka (min 5000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days fifty-three, in the past 30 days one hundred and fifty-four and in the last 365 days one hundred and eighty-three 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.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 25 km W of Petrolia, CA. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.83 mb The magnitude for the event.
Longitude -124.57516479492° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.307834625244° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.510000228882 km Depth of the event in kilometers.
Place 25 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 2024-12-17 00:37:54 Time when the event occurred. UTC/GMT
Updated 2024-12-17 00:39:29 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 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1789 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 304 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 nc75104201 Id of event.
Event Code 75104201 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75104201, A comma-separated list of event ids that are associated to an event.

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