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Minor earthquake, 2.88 mag was detected near Petrolia in CA

Earthquake location 40.3288345S, -124.3304977WA minor earthquake magnitude 2.88 (ml/mb) strikes 4 kilometers (2 miles) from Petrolia in CA on Friday. Global date and time of event UTC/GMT: 22/02/20 / 2020-02-22 06:09:44 / February 22, 2020 @ 6:09 am. Id of earthquake: nc73344490. Event ids that are associated: nc73344490. Exact location of earthquake, -124.3304977° West, 40.3288345° North, depth 6.58 km. The temblor was picked up at 22:09:44 / 10:09 pm (local time epicenter). The earthquake occurred at a depth of 6.58 km (4 miles) below the earth’s surface.

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was McKinleyville, Arcata, Bayside (min 5000 pop). Event epicenter was 54 km (34 miles) from Eureka (c. 27 200 pop), 63 km (39 miles) from Arcata (c. 17 200 pop), 61 km (38 miles) from Bayside (c. 17 100 pop), 71 km (44 miles) from McKinleyville (c. 15 200 pop), 33 km (21 miles) from Fortuna (c. 11 900 pop).

In the past 24 hours, there have been 0, in the last 10 days one, in the past 30 days four and in the last 365 days fifty earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor earthquakes in the world each year.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 4 km W of Petrolia, CA. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.88 mb The magnitude for the event.
Longitude -124.3304977° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.3288345° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.58 km Depth of the event in kilometers.
Place 4km 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 2020-02-22 06:09:44 Time when the event occurred. UTC/GMT
Updated 2020-02-22 06:45:04 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 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 6 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.03598 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 282 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 nc73344490 Id of event.
Event Code 73344490 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73344490, A comma-separated list of event ids that are associated to an event.

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