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Light earthquake, 4.1 mag was detected near Roshtqal’a in Tajikistan


Earthquake location 37.3784S, 72.1255WA light earthquake magnitude 4.1 (ml/mb) has struck on Sunday, 29 kilometers (18 miles) from Roshtqal’a in Tajikistan. The temblor was detected at 13:37:59 / 1:37 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 72.1255 East, latitude 37.3784 North, depth = 217.85 km. Event id: us1000bygt. Ids that are associated to the earthquake: us1000bygt. The epicenter was at a depth of 217.85 km (135 miles). Global date and time of event UTC/GMT: 31/12/17 / 2017-12-31 08:37:59 / December 31, 2017 @ 8:37 am.

Nearby country/countries that might be effected, Afghanistan (c. 29 121 000 pop), Tajikistan (c. 7 487 000 pop). Event epicenter was 52 km (32 miles) from Khorugh (c. 30 000 pop), 86 km (53 miles) from Ishqoshim (c. 26 000 pop), 50 km (31 miles) from Khandūd (c. 5 500 pop). Nearest cities/city/towns to hypocenter/epicentrum was Ishqoshim, Khorugh, Khandūd (min 5000 pop).

Each year there are an estimated 13,000 light quakes in the world. 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 three and in the last 365 days fifty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

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 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: 29 km ENE of Roshtqal’a, Tajikistan.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 72.1255° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.3784° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 217.85 km Depth of the event in kilometers.
Place 29km ENE of Roshtqal'a, Tajikistan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-31 08:37:59 Time when the event occurred. UTC/GMT
Updated 2017-12-31 09:33:05 Time when the event was most recently updated. UTC/GMT
Timezone offset 300 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 259 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 1.261 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.82 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 61 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 us1000bygt Id of event.
Event Code 1000bygt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000bygt, A comma-separated list of event ids that are associated to an event.

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