Light earthquake, 4.6 mag strikes near Layka in China

A light earthquake with magnitude 4.6 (ml/mb) was detected on Monday, 175 km SW of Layka, China (109 miles). The epicenter was at a depth of 10 km (6 miles). Global date and time of event UTC/GMT: 21/02/16 / 2016-02-21 16:31:59 / February 21, 2016 @ 4:31 pm. The 4.6-magnitude earthquake was detected at 00:31:59 / 12:31 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us10004rj4. Ids that are associated to the event: us10004rj4. Exact location, longitude 78.139° East, latitude 36.148° North, depth = 10 km.

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 one, in the last 10 days one, in the past 30 days one and in the last 365 days seven earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 175 km SW of Layka, China. This information comes from the USGS Earthquake Notification Service.

China Layka

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Parameter	Value	Description
Magnitude	4.6 mb	The magnitude for the event.
Longitude	78.139° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.148° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	175km SW of Layka, China	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2016-02-21 16:31:59	Time when the event occurred. UTC/GMT
Updated	2016-02-21 18:29:43	Time when the event was most recently updated. UTC/GMT
Timezone offset	480	Timezone offset from UTC in minutes at the event epicenter.
Felt	0	The total number of felt reports
CDI	1	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	reviewed	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	326	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	us	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,us,	A comma-separated list of network contributors.
Number of Stations Used		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	4.714	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.99 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	94	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mb	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us10004rj4	Id of event.
Event Code	10004rj4	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us10004rj4,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.6 mag strikes near Layka in China

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