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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.24 mag strikes near Petrolia in CA


Earthquake location 40.388168334961S, -124.89099884033WA light earthquake magnitude 4.24 (ml/mb) strikes 52 kilometers (32 miles) from Petrolia in CA on Thursday. Global time and date of event 05/12/24 / 2024-12-05 19:10:07 / December 5, 2024 @ 7:10 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 0.10000000149012 km, -124.89099884033° West, 40.388168334961° North. The epicenter was at a depth of 0.10000000149012 km (0 miles). The temblor was reported at 19:10:07 / 7:10 pm (local time epicenter). Unique identifier: nc75095961. Ids that are associated to the event: nc75095961.

Earthquake epicenter was 77 km (48 miles) from Eureka (c. 27 200 pop), 86 km (54 miles) from Arcata (c. 17 200 pop), 86 km (54 miles) from Bayside (c. 17 100 pop), 91 km (57 miles) from McKinleyville (c. 15 200 pop), 66 km (41 miles) from Fortuna (c. 11 900 pop). Closest city/cities/towns to epicentrum/hypocenter was McKinleyville, Arcata, Bayside (min 5000 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected).

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been six, in the last 10 days ten, in the past 30 days twelve and in the last 365 days fourty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 52 km WNW of Petrolia, CA. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.24 mb The magnitude for the event.
Longitude -124.89099884033° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.388168334961° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 0.10000000149012 km Depth of the event in kilometers.
Place 52 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 19:10:07 Time when the event occurred. UTC/GMT
Updated 2024-12-05 19:16:24 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 2.403 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 277 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 35 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4683 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.38 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 257 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 nc75095961 Id of event.
Event Code 75095961 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75095961, A comma-separated list of event ids that are associated to an event.

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