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Light earthquake, 4.33 mag strikes near Petrolia in CA


Earthquake location 40.28783416748S, -124.30083465576WA light earthquake magnitude 4.33 (ml/mb) strikes 4 kilometers (2 miles) from Petrolia in CA on Thursday. Exact location of earthquake, -124.30083465576° West, 40.28783416748° North, depth 10.279999732971 km. A tsunami warning has been issued near Petrolia in CA (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 24/10/24 / 2024-10-24 06:58:47 / October 24, 2024 @ 6:58 am. The 4.33-magnitude earthquake was detected at 06:58:47 / 6:58 am (local time epicenter). Event id: nc75077996. Ids that are associated to the earthquake: ew1729753130, nc75077996, at00slum1y. The epicenter of the earthquake was roughly 10.279999732971 km (6 miles) below the earth’s surface.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was McKinleyville, Arcata, Bayside. Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Earthquake epicenter was 58 km (36 miles) from Eureka (c. 27 200 pop), 67 km (42 miles) from Arcata (c. 17 200 pop), 65 km (40 miles) from Bayside (c. 17 100 pop), 75 km (47 miles) from McKinleyville (c. 15 200 pop), 37 km (23 miles) from Fortuna (c. 11 900 pop).

In the past 24 hours, there have been four, in the last 10 days five, in the past 30 days seven and in the last 365 days twenty-four 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. Each year there are an estimated 13,000 light earthquakes in the world.

How would you describe the shaking?

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. 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: 4 km SSW of Petrolia, CA.

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More information

Parameter Value Description
Magnitude 4.33 mb The magnitude for the event.
Longitude -124.30083465576° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.28783416748° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10.279999732971 km Depth of the event in kilometers.
Place 4 km SSW 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 2024-10-24 06:58:47 Time when the event occurred. UTC/GMT
Updated 2024-10-24 07:04:47 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 7 The total number of felt reports
CDI 3.1 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 1 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 291 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 ,ew,nc,at, A comma-separated list of network contributors.
Number of Stations Used 37 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 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 135 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 nc75077996 Id of event.
Event Code 75077996 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ew1729753130,nc75077996,at00slum1y, A comma-separated list of event ids that are associated to an event.

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