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Minor earthquake, 2.82 mag strikes near Petrolia in CA


Earthquake location 40.318332672119S, -124.58266448975WA minor earthquake magnitude 2.82 (ml/mb) has struck on Saturday, 25 kilometers (16 miles) from Petrolia in CA. Unique identifier: nc75098236. Ids that are associated to the event: nc75098236. The earthquake was roughly at a depth of 11.89999961853 km (7 miles). Global time and date of event 07/12/24 / 2024-12-07 00:57:40 / December 7, 2024 @ 12:57 am UTC/GMT. Exact location, longitude -124.58266448975° West, latitude 40.318332672119° North, depth = 11.89999961853 km. The temblor was picked up at 00:57:40 / 12:57 am (local time epicenter).

Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Arcata, Bayside, Eureka (min 5000 pop). Epicenter of the event was 64 km (40 miles) from Eureka (c. 27 200 pop), 74 km (46 miles) from Arcata (c. 17 200 pop), 73 km (45 miles) from Bayside (c. 17 100 pop), 48 km (30 miles) from Fortuna (c. 11 900 pop).

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

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 25 km W of Petrolia, CA.

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More information

Parameter Value Description
Magnitude 2.82 mb The magnitude for the event.
Longitude -124.58266448975° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.318332672119° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.89999961853 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 2024-12-07 00:57:40 Time when the event occurred. UTC/GMT
Updated 2024-12-07 00:59:16 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 122 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 0.186 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 282 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 nc75098236 Id of event.
Event Code 75098236 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75098236, A comma-separated list of event ids that are associated to an event.

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