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Minor earthquake, 2.8 mag was detected near Petrolia in CA

Posted by admin on August 23, 2019 0 Comments

Earthquake location 40.2714996S, -124.7391663WA minor earthquake magnitude 2.8 (ml/mb) strikes 39 kilometers (24 miles) from Petrolia in CA on Friday. The temblor was reported at 08:21:32 / 8:21 am (local time epicenter). Global time and date of event 23/08/19 / 2019-08-23 16:21:32 / August 23, 2019 @ 4:21 pm UTC/GMT. Exact location of event, longitude -124.7391663 West, latitude 40.2714996 North, depth = 22.89 km. The epicenter was at a depth of 22.89 km (14 miles). Event id: nc73256975. Ids that are associated to the earthquake: nc73256975.

The epicenter was 76 km (48 miles) from Eureka (c. 27 200 pop), 61 km (38 miles) from Fortuna (c. 11 900 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Eureka, Fortuna (min 5000 pop).

In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days two and in the last 365 days fifty-four 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. Every year there are an estimated 1,300,000 minor earthquakes in the world.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 39 km W of Petrolia, CA.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -124.7391663° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.2714996° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.89 km Depth of the event in kilometers.
Place 39km 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 2019-08-23 16:21:32 Time when the event occurred. UTC/GMT
Updated 2019-08-23 16:23:33 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 121 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 7 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.02 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 294 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 nc73256975 Id of event.
Event Code 73256975 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73256975, A comma-separated list of event ids that are associated to an event.

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