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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Domartang in China


Earthquake location 30.5084S, 95.0448WA light earthquake magnitude 4.2 (ml/mb) has occurred on Sunday, 47 km SSE of Domartang, China (29 miles). The earthquake occurred at a depth of 39.61 km (25 miles). The temblor was picked up at 01:46:39 / 1:46 am (local time epicenter). Exact location of event, longitude 95.0448 East, latitude 30.5084 North, depth = 39.61 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 12/08/17 / 2017-08-12 17:46:39 / August 12, 2017 @ 5:46 pm. Unique identifier: us2000a8u0. Ids that are associated to the event: us2000a8u0.

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

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 47 km SSE of Domartang, China.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 95.0448° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 30.5084° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 39.61 km Depth of the event in kilometers.
Place 47km SSE of Domartang, China Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-12 17:46:39 Time when the event occurred. UTC/GMT
Updated 2017-09-02 18:44:05 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 271 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 3.488 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 143 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 us2000a8u0 Id of event.
Event Code 2000a8u0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a8u0, A comma-separated list of event ids that are associated to an event.

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