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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 2.93 mag was detected near Petrolia in CA


Earthquake location 40.311666666667S, -124.658WA minor earthquake magnitude 2.93 (ml/mb) has occurred on Thursday, 32 kilometers (20 miles) from Petrolia in CA. Event id: nc75096166. Ids that are associated to the earthquake: nc75096166. Exact time and date of earthquake 05/12/24 / 2024-12-05 20:06:08 / December 5, 2024 @ 8:06 pm UTC/GMT. Exact location, longitude -124.658° West, latitude 40.311666666667° North, depth = 7.32 km. The temblor was detected at 20:06:08 / 8:06 pm (local time epicenter). The epicenter of the earthquake was roughly 7.32 km (5 miles) below the earth’s surface.

Nearest cities/city/villages to epicentrum/hypocenter was Arcata, Bayside, Eureka (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 69 km (43 miles) from Eureka (c. 27 200 pop), 79 km (49 miles) from Arcata (c. 17 200 pop), 77 km (48 miles) from Bayside (c. 17 100 pop), 53 km (33 miles) from Fortuna (c. 11 900 pop).

Each year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one hundred and fifty-three, in the last 10 days one hundred and fifty-six, in the past 30 days one hundred and fifty-eight and in the last 365 days one hundred and eighty-five earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 32 km W of Petrolia, CA. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.93 mb The magnitude for the event.
Longitude -124.658° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.311666666667° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.32 km Depth of the event in kilometers.
Place 32 km W 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 20:06:08 Time when the event occurred. UTC/GMT
Updated 2024-12-16 21:56:27 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 132 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 36 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2423 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 252 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 nc75096166 Id of event.
Event Code 75096166 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75096166, A comma-separated list of event ids that are associated to an event.

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