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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 2.91 mag has occurred near Petrolia in CA

Earthquake location 40.2798347S, -124.564003WA minor earthquake with magnitude 2.91 (ml/mb) was detected on Sunday, 24 kilometers (15 miles) from Petrolia in CA. The earthquake occurred at a depth of 16.43 km (10 miles). The 2.91-magnitude earthquake has occurred at 06:39:19 / 6:39 am (local time epicenter). Exact location of event, longitude -124.564003 West, latitude 40.2798347 North, depth = 16.43 km. Event ids that are associated to the earthquake: nc73522931. Id of event: nc73522931. Exact time and date of earthquake 14/02/21 / 2021-02-14 06:39:19 / February 14, 2021 @ 6:39 am UTC/GMT.

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Arcata, Bayside, Eureka. The epicenter was 67 km (42 miles) from Eureka (c. 27 200 pop), 77 km (48 miles) from Arcata (c. 17 200 pop), 75 km (47 miles) from Bayside (c. 17 100 pop), 49 km (31 miles) from Fortuna (c. 11 900 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days fifty-one 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. 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: 24 km WSW of Petrolia, CA.

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More information

Parameter Value Description
Magnitude 2.91 mb The magnitude for the event.
Longitude -124.564003° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.2798347° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.43 km Depth of the event in kilometers.
Place 24km WSW 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 2021-02-14 06:39:19 Time when the event occurred. UTC/GMT
Updated 2021-02-14 06:40:55 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 130 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2292 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 255 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 nc73522931 Id of event.
Event Code 73522931 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73522931, A comma-separated list of event ids that are associated to an event.

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