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Light earthquake, 4.63 mag has occurred near Petrolia in CA

Posted by admin on March 23, 2018 0 Comments

A light earthquake magnitude 4.63 (ml/mb) has occurred on Thursday, 22 kilometers (14 miles) from Petrolia in CA. A tsunami warning has been issued near Petrolia in CA (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 20.97 km (13 miles) below the earth’s surface. Exact location, longitude -124.4905014° West, latitude 40.4483337° North, depth = 20.97 km. Event id: nc72988926. Ids that are associated to the earthquake: nc72988926, at00p60ws1. The 4.63-magnitude earthquake has occurred at 19:09:39 / 7:09 pm (local time epicenter). Exact time and date of event in UTC/GMT: 23/03/18 / 2018-03-23 03:09:39 / March 23, 2018 @ 3:09 am.

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was McKinleyville, Arcata, Bayside. The epicenter was 48 km (30 miles) from Eureka (c. 27 200 pop), 58 km (36 miles) from Arcata (c. 17 200 pop), 57 km (35 miles) from Bayside (c. 17 100 pop), 64 km (40 miles) from McKinleyville (c. 15 200 pop), 33 km (20 miles) from Fortuna (c. 11 900 pop).

In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days six and in the last 365 days fourty-one earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year.

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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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 22 km NW of Petrolia, CA.

Arcata Bayside CA Eureka Fortuna McKinleyville Petrolia United States

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Parameter	Value	Description
Magnitude	4.63 mb	The magnitude for the event.
Longitude	-124.4905014° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.4483337° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	20.97 km	Depth of the event in kilometers.
Place	22km NW 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	2018-03-23 03:09:39	Time when the event occurred. UTC/GMT
Updated	2018-03-23 03:22:36	Time when the event was most recently updated. UTC/GMT
Timezone offset	-480	Timezone offset from UTC in minutes at the event epicenter.
Felt	105	The total number of felt reports
CDI	4.8	The maximum reported intensity for the event.
MMI	4.86	The maximum estimated instrumental intensity for the event.
Alert Level	green	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	1	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	380	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,at,	A comma-separated list of network contributors.
Number of Stations Used	38	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.2018	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	233	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mw	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	nc72988926	Id of event.
Event Code	72988926	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc72988926,at00p60ws1,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.63 mag has occurred near Petrolia in CA

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