Light earthquake, 4.8 mag was detected near Qiagai in China

A light earthquake with magnitude 4.8 (ml/mb) was detected on Tuesday, 14 kilometers (9 miles) from Qiagai in China. Exact location of event, depth 11.21 km, 103.314° East, 34.9031° North. The temblor was detected at 21:52:21 / 9:52 pm (local time epicenter). Event id: us1000az11. Ids that are associated to the earthquake: us1000az11. Exact time and date of earthquake 31/10/17 / 2017-10-31 13:52:21 / October 31, 2017 @ 1:52 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 11.21 km (7 miles).

Epicenter of the earthquake was 78 km (49 miles) from Linxia Chengguanzhen (c. 202 400 pop). Nearest cities/city/towns to hypocenter/epicentrum was Linxia Chengguanzhen (min 5000 pop). Close country/countries that might be effected, China (c. 1 330 044 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes 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 one earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 14 km WNW of Qiagai, China.

More information

Parameter	Value	Description
Magnitude	4.8 mb	The magnitude for the event.
Longitude	103.314° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	34.9031° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	11.21 km	Depth of the event in kilometers.
Place	14km WNW of Qiagai, China	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-10-31 13:52:21	Time when the event occurred. UTC/GMT
Updated	2017-10-31 15:53:34	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	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	354	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	13.125	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.51 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	68	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	us1000az11	Id of event.
Event Code	1000az11	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000az11,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.8 mag was detected near Qiagai in China

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