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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.67 quake has struck near Petrolia in CA


Earthquake location 40.349S, -124.915WA light earthquake with magnitude 4.67 (ml/mb) was reported 53 kilometers (33 miles) from Petrolia in CA on Thursday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us7000nwbj, nc75001903. Unique identifier: nc75001903. Exact location of event, depth 12.51 km, -124.915° West, 40.349° North. The 4.67-magnitude earthquake was detected at 18:46:29 / 6:46 pm (local time epicenter). The epicenter of the earthquake was roughly 12.51 km (8 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 05/12/24 / 2024-12-05 18:46:29 / December 5, 2024 @ 6:46 pm.

The epicenter was 81 km (50 miles) from Eureka (c. 27 200 pop), 91 km (56 miles) from Arcata (c. 17 200 pop), 90 km (56 miles) from Bayside (c. 17 100 pop), 96 km (59 miles) from McKinleyville (c. 15 200 pop), 70 km (43 miles) from Fortuna (c. 11 900 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was McKinleyville, Arcata, Bayside (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one hundred and thirty-nine, in the last 10 days one hundred and fourty-three, in the past 30 days one hundred and fourty-five and in the last 365 days one hundred and seventy-five earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 13,000 light quakes in the world.

Did you feel anything?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 53 km WNW of Petrolia, CA.

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More information

Parameter Value Description
Magnitude 4.67 mb The magnitude for the event.
Longitude -124.915° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.349° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.51 km Depth of the event in kilometers.
Place 53 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 18:46:29 Time when the event occurred. UTC/GMT
Updated 2024-12-13 19:07:40 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 17 The total number of felt reports
CDI 4.1 The maximum reported intensity for the event.
MMI 3.311 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 342 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 54 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4418 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 241 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 nc75001903 Id of event.
Event Code 75001903 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000nwbj,nc75001903, A comma-separated list of event ids that are associated to an event.

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