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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.43 mag has occurred near Petrolia in CA


Earthquake location 40.339666666667S, -124.756WA light earthquake with magnitude 4.43 (ml/mb) was detected on Thursday, 40 kilometers (25 miles) from Petrolia in CA. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 05/12/24 / 2024-12-05 20:04:45 / December 5, 2024 @ 8:04 pm. The epicenter of the earthquake was roughly 12.46 km (8 miles) below the earth’s surface. Exact location of earthquake, longitude -124.756 West, latitude 40.339666666667 North, depth = 12.46 km. The temblor was picked up at 20:04:45 / 8:04 pm (local time epicenter). Unique identifier: nc75001648. Ids that are associated to the event: nc75001648, us7000nw9c.

Epicenter of the earthquake was 72 km (45 miles) from Eureka (c. 27 200 pop), 82 km (51 miles) from Arcata (c. 17 200 pop), 81 km (50 miles) from Bayside (c. 17 100 pop), 87 km (54 miles) from McKinleyville (c. 15 200 pop), 58 km (36 miles) from Fortuna (c. 11 900 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was McKinleyville, Arcata, Bayside. Close country/countries that might be effected, United States (c. 310 233 000 pop).

In the past 24 hours, there have been fifty-four, in the last 10 days fifty-eight, in the past 30 days sixty and in the last 365 days eighty-nine earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

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: 40 km WNW of Petrolia, CA. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.43 mb The magnitude for the event.
Longitude -124.756° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.339666666667° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.46 km Depth of the event in kilometers.
Place 40 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 2024-12-05 20:04:45 Time when the event occurred. UTC/GMT
Updated 2024-12-06 01:57:14 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 6 The total number of felt reports
CDI 3.4 The maximum reported intensity for the event.
MMI 3.191 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 304 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,us, 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 0.3472 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 279 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc75001648 Id of event.
Event Code 75001648 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75001648,us7000nw9c, A comma-separated list of event ids that are associated to an event.

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