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Minor earthquake 2.89 mag, 52 km WNW of Petrolia, CA


Earthquake location 40.421166666667S, -124.8875WA minor earthquake magnitude 2.89 (ml/mb) strikes 52 kilometers (32 miles) from Petrolia in CA on Thursday. The earthquake occurred at a depth of 4.48 km (3 miles). The 2.89-magnitude earthquake was detected at 19:57:24 / 7:57 pm (local time epicenter). Exact location of earthquake, -124.8875° West, 40.421166666667° North, depth 4.48 km. Event id: nc75096131. Ids that are associated to the earthquake: nc75096131. Date and time of earthquake in UTC/GMT: 05/12/24 / 2024-12-05 19:57:24 / December 5, 2024 @ 7:57 pm.

Earthquake epicenter was 74 km (46 miles) from Eureka (c. 27 200 pop), 65 km (40 miles) from Fortuna (c. 11 900 pop). Nearest cities/city/villages to epicentrum/hypocenter was Eureka, Fortuna (min 5000 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been one hundred and fifty-seven, in the last 10 days one hundred and sixty-two, in the past 30 days one hundred and sixty-four and in the last 365 days one hundred and ninety-five earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 1,300,000 minor quakes in the world each year.

Did you feel it?

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

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More information

Parameter Value Description
Magnitude 2.89 mb The magnitude for the event.
Longitude -124.8875° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.421166666667° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.48 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 19:57:24 Time when the event occurred. UTC/GMT
Updated 2024-12-16 17:26:48 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 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 128 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 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.5746 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.16 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 263 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc75096131 Id of event.
Event Code 75096131 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75096131, A comma-separated list of event ids that are associated to an event.

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