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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.17 mag, 57 km WNW of Petrolia, CA


Earthquake location 40.381000518799S, -124.94850158691WA light earthquake magnitude 4.17 (ml/mb) has struck on Thursday, 57 kilometers (35 miles) from Petrolia in CA. Event ids that are associated to the earthquake: nc75096071, ew1733427410. Id of event: nc75096071. The 4.17-magnitude earthquake was detected at 19:36:38 / 7:36 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 05/12/24 / 2024-12-05 19:36:38 / December 5, 2024 @ 7:36 pm UTC/GMT. The earthquake occurred at a depth of 4.2300000190735 km (3 miles) below the earth’s surface. Exact location of event, depth 4.2300000190735 km, -124.94850158691° West, 40.381000518799° North.

Nearest cities/city/villages to epicentrum/hypocenter was Arcata, Bayside, Eureka (min 5000 pop). The epicenter was 81 km (50 miles) from Eureka (c. 27 200 pop), 91 km (56 miles) from Arcata (c. 17 200 pop), 91 km (56 miles) from Bayside (c. 17 100 pop), 71 km (44 miles) from Fortuna (c. 11 900 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

In the past 24 hours, there have been eleven, in the last 10 days fifteen, in the past 30 days seventeen and in the last 365 days fourty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. 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.

Did you feel the quake?

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. 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: 57 km WNW of Petrolia, CA.

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More information

Parameter Value Description
Magnitude 4.17 mb The magnitude for the event.
Longitude -124.94850158691° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.381000518799° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.2300000190735 km Depth of the event in kilometers.
Place 57 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 19:36:38 Time when the event occurred. UTC/GMT
Updated 2024-12-05 19:40:59 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 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 268 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,ew, A comma-separated list of network contributors.
Number of Stations Used 55 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4723 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 259 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 nc75096071 Id of event.
Event Code 75096071 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75096071,ew1733427410, A comma-separated list of event ids that are associated to an event.

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