Minor earthquake, 3.42 mag was detected near Petrolia in CA

A minor earthquake magnitude 3.42 (ml/mb) strikes 18 kilometers (11 miles) from Petrolia in CA on Thursday. The 3.42-magnitude earthquake was detected at 02:05:18 / 2:05 am (local time epicenter). Event ids that are associated to the earthquake: nc73227481. Id of event: nc73227481. Global time and date of event 18/07/19 / 2019-07-18 10:05:18 / July 18, 2019 @ 10:05 am UTC/GMT. The epicenter was at a depth of 19.65 km (12 miles). Exact location, longitude -124.4990005° West, latitude 40.2958336° North, depth = 19.65 km.

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 63 km (39 miles) from Eureka (c. 27 200 pop), 73 km (45 miles) from Arcata (c. 17 200 pop), 71 km (44 miles) from Bayside (c. 17 100 pop), 80 km (50 miles) from McKinleyville (c. 15 200 pop), 44 km (28 miles) from Fortuna (c. 11 900 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days six and in the last 365 days fifty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 130,000 minor quakes 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. 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: 18 km W of Petrolia, CA.

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Parameter	Value	Description
Magnitude	3.42 mb	The magnitude for the event.
Longitude	-124.4990005° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.2958336° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	19.65 km	Depth of the event in kilometers.
Place	18km 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	2019-07-18 10:05:18	Time when the event occurred. UTC/GMT
Updated	2019-07-18 10:10:05	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	180	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	21	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	0.11 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	264	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	nc73227481	Id of event.
Event Code	73227481	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc73227481,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.42 mag was detected near Petrolia in CA

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