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Minor earthquake, 2.83 mag was detected near Petrolia in CA


Earthquake location 40.2775S, -124.5605WA minor earthquake magnitude 2.83 (ml/mb) strikes 24 kilometers (15 miles) from Petrolia in CA on Thursday. Exact location of event, longitude -124.5605 West, latitude 40.2775 North, depth = 21.71 km. Event ids that are associated to the earthquake: nc75001988. Id of event: nc75001988. The temblor was reported at 19:25:27 / 7:25 pm (local time epicenter). Exact time and date of event in UTC/GMT: 05/12/24 / 2024-12-05 19:25:27 / December 5, 2024 @ 7:25 pm. The epicenter of the earthquake was roughly 21.71 km (13 miles) below the earth’s surface.

Event epicenter was 67 km (42 miles) from Eureka (c. 27 200 pop), 77 km (48 miles) from Arcata (c. 17 200 pop), 76 km (47 miles) from Bayside (c. 17 100 pop), 49 km (31 miles) from Fortuna (c. 11 900 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Closest city/cities/towns to epicentrum/hypocenter was Arcata, Bayside, Eureka (min 5000 pop).

In the past 24 hours, there have been one hundred and fourty-six, in the last 10 days one hundred and fourty-eight, in the past 30 days one hundred and fifty and in the last 365 days one hundred and seventy-nine earthquakes of magnitude 3.0 or greater that have been detected nearby. Every 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.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 24 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 -124.5605° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.2775° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.71 km Depth of the event in kilometers.
Place 24 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 19:25:27 Time when the event occurred. UTC/GMT
Updated 2024-12-16 05:47:17 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 reviewed 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1671 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 258 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 nc75001988 Id of event.
Event Code 75001988 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75001988, A comma-separated list of event ids that are associated to an event.

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