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Light earthquake: M4 quake has struck near Dazhasi in China


Earthquake location 33.3986S, 103.4146WA light earthquake magnitude 4 (ml/mb) strikes 46 km ESE of Dazhasi, China (29 miles) on Wednesday. Exact time and date of earthquake 08/08/17 / 2017-08-08 21:16:05 / August 8, 2017 @ 9:16 pm UTC/GMT. The temblor was reported at 05:16:05 / 5:16 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us2000a7c8. Ids that are associated to the event: us2000a7c8. Exact location of earthquake, 103.4146° East, 33.3986° North, depth 10 km. The earthquake occurred at a depth of 10 km (6 miles).

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

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 46 km ESE of Dazhasi, China. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 103.4146° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 33.3986° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 46km ESE of Dazhasi, China Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-08 21:16:05 Time when the event occurred. UTC/GMT
Updated 2017-08-20 04:50:06 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 246 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 12.732 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.29 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 180 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 us2000a7c8 Id of event.
Event Code 2000a7c8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a7c8, A comma-separated list of event ids that are associated to an event.

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