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Light earthquake, 4.23 mag has occurred near Petrolia in CA

Posted by admin on December 4, 2024 0 Comments

Earthquake location 40.4705S, -125.87183333333WA light earthquake magnitude 4.23 (ml/mb) has occurred on Wednesday, 135 km WNW of Petrolia, CA (84 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.23-magnitude earthquake was detected at 13:10:22 / 1:10 pm (local time epicenter). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location, longitude -125.87183333333° West, latitude 40.4705° North, depth = 10 km. Date and time of earthquake in UTC/GMT: 04/12/24 / 2024-12-04 13:10:22 / December 4, 2024 @ 1:10 pm. Event ids that are associated to the earthquake: us7000nvwj, nc75094976. Id of event: nc75094976.

In the past 24 hours, there have been four, in the last 10 days four, in the past 30 days six and in the last 365 days twenty-eight earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 135 km WNW of Petrolia, CA.

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More information

Parameter Value Description
Magnitude 4.23 mb The magnitude for the event.
Longitude -125.87183333333° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.4705° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 135 km WNW 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 2024-12-04 13:10:22 Time when the event occurred. UTC/GMT
Updated 2024-12-04 19:17:07 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 1 The maximum reported intensity for the event.
MMI 1.619 The maximum estimated instrumental intensity for the event.
Alert Level green 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 275 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 ,us,nc, A comma-separated list of network contributors.
Number of Stations Used 103 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.17 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.3 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 256 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mw The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc75094976 Id of event.
Event Code 75094976 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000nvwj,nc75094976, A comma-separated list of event ids that are associated to an event.

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