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Light earthquake, 4 mag was detected near Petrolia in CA

Posted by admin on February 4, 2019 0 Comments

A light earthquake magnitude 4 (ml/mb) has struck on Sunday, 16 kilometers (10 miles) from Petrolia in CA. The 4-magnitude earthquake was detected at 15:43:22 / 3:43 pm (local time epicenter). Id of earthquake: nc73139366. Event ids that are associated: nc73139366, at00pmdj89. Exact time and date of earthquake 03/02/19 / 2019-02-03 23:43:22 / February 3, 2019 @ 11:43 pm UTC/GMT. The epicenter was at a depth of 7.44 km (5 miles). Exact location, longitude -124.4735031° West, latitude 40.3168335° North, depth = 7.44 km. A tsunami warning has been issued near Petrolia in CA (Does not indicate if a tsunami actually did or will exist).

Nearest cities/city/villages to epicentrum/hypocenter was McKinleyville, Arcata, Bayside (min 5000 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). The epicenter was 60 km (37 miles) from Eureka (c. 27 200 pop), 69 km (43 miles) from Arcata (c. 17 200 pop), 68 km (42 miles) from Bayside (c. 17 100 pop), 77 km (48 miles) from McKinleyville (c. 15 200 pop), 41 km (26 miles) from Fortuna (c. 11 900 pop).

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

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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. 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: 16 km W of Petrolia, CA.

Arcata Bayside CA Eureka Fortuna McKinleyville Petrolia United States

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Parameter	Value	Description
Magnitude	4 mb	The magnitude for the event.
Longitude	-124.4735031° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.3168335° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	7.44 km	Depth of the event in kilometers.
Place	16km 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	2019-02-03 23:43:22	Time when the event occurred. UTC/GMT
Updated	2019-02-03 23:53:24	Time when the event was most recently updated. UTC/GMT
Timezone offset	-480	Timezone offset from UTC in minutes at the event epicenter.
Felt	5	The total number of felt reports
CDI	2.2	The maximum reported intensity for the event.
MMI	4.34	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	247	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	19	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.1697	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	261	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	nc73139366	Id of event.
Event Code	73139366	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc73139366,at00pmdj89,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4 mag was detected near Petrolia in CA

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