Light earthquake 4.9 mag, 131 km NE of Arzak, China

A light earthquake with magnitude 4.9 (ml/mb) was reported 131 km NE of Arzak, China (81 miles) on Thursday. Exact location, longitude 77.3271° East, latitude 40.4065° North, depth = 10 km. The earthquake occurred at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us2000dyta. Unique identifier: us2000dyta. Global date and time of event UTC/GMT: 12/04/18 / 2018-04-12 10:41:51 / April 12, 2018 @ 10:41 am. The temblor was picked up at 18:41:51 / 6:41 pm (local time epicenter).

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

Did you feel it?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 131 km NE of Arzak, China.

Arzak China

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Parameter	Value	Description
Magnitude	4.9 mb	The magnitude for the event.
Longitude	77.3271° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.4065° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	131km NE of Arzak, China	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-04-12 10:41:51	Time when the event occurred. UTC/GMT
Updated	2018-04-12 10:55:58	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	369	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	1.369	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.35 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	62	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	us2000dyta	Id of event.
Event Code	2000dyta	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000dyta,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.9 mag, 131 km NE of Arzak, China

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