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Minor earthquake: M3.81 quake has struck near Redwood Valley in California

Posted by admin on September 28, 2015 0 Comments

A minor earthquake with magnitude 3.81 (ml/mb) was detected on Monday, 27 kilometers (17 miles) from Redwood Valley in California. The earthquake was roughly at a depth of 6.54 km (4 miles). The 3.81-magnitude earthquake has occurred at 14:36:40 / 2:36 pm (local time epicenter). Exact location of earthquake, longitude -122.9856644 West, latitude 39.4451675 North, depth = 6.54 km. Global time and date of event 28/09/15 / 2015-09-28 21:36:40 / September 28, 2015 @ 9:36 pm UTC/GMT. All ids that are associated to the event: nc72532161. Unique identifier: nc72532161.

Epicenter of the earthquake was 38 km (24 miles) from Ukiah (c. 16 100 pop), 62 km (39 miles) from Clearlake (c. 15 300 pop), 71 km (44 miles) from Cloverdale (c. 8 600 pop), 87 km (54 miles) from Corning (c. 7 700 pop), 76 km (47 miles) from Orland (c. 7 300 pop), 70 km (44 miles) from Fort Bragg (c. 7 300 pop). 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 Colusa, Corning, Hidden Valley Lake.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days seven and in the last 365 days fourty-one earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel it?

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: 27 km NE of Redwood Valley, California.

More information

Parameter	Value	Description
Magnitude	3.81 mb	The magnitude for the event.
Longitude	-122.9856644° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	39.4451675° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	6.54 km	Depth of the event in kilometers.
Place	27km NE of Redwood Valley, California	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-09-28 21:36:40	Time when the event occurred. UTC/GMT
Updated	2015-09-28 21:43:05	Time when the event was most recently updated. UTC/GMT
Timezone offset	-420	Timezone offset from UTC in minutes at the event epicenter.
Felt	3	The total number of felt reports
CDI	3.1	The maximum reported intensity for the event.
MMI	3.08	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	224	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	45	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.06569	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.1 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	33	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	nc72532161	Id of event.
Event Code	72532161	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc72532161,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.81 quake has struck near Redwood Valley in California

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