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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near Gharm in Tajikistan


Earthquake location 38.6921S, 70.7017WA light earthquake magnitude 4.2 (ml/mb) strikes 46 kilometers (29 miles) from Gharm in Tajikistan on Thursday. The temblor was reported at 02:48:47 / 2:48 am (local time epicenter). Exact location of earthquake, longitude 70.7017 East, latitude 38.6921 North, depth = 48.02 km. Date and time of earthquake in UTC/GMT: 21/02/18 / 2018-02-21 21:48:47 / February 21, 2018 @ 9:48 pm. Unique identifier: us2000d64k. Ids that are associated to the event: us2000d64k. 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 48.02 km (30 miles) below the earth’s surface.

Close country/countries, Tajikistan (c. 7 487 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Mŭ’minobod, Obigarm, Roghun (min 5000 pop). The epicenter was 87 km (54 miles) from Mŭ’minobod (c. 12 000 pop), 47 km (29 miles) from Rasht (c. 10 800 pop), 86 km (54 miles) from Obigarm (c. 10 000 pop), 73 km (45 miles) from Roghun (c. 7 700 pop), 59 km (37 miles) from Novobod (c. 5 400 pop).

Every year there are an estimated 13,000 light earthquakes 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 two, in the last 10 days two, in the past 30 days two and in the last 365 days thirty-two earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

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. 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: 46 km SE of Gharm, Tajikistan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 70.7017° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.6921° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 48.02 km Depth of the event in kilometers.
Place 46km SE of Gharm, Tajikistan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-21 21:48:47 Time when the event occurred. UTC/GMT
Updated 2018-03-09 01:58:58 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 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 1.325 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.04 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 us2000d64k Id of event.
Event Code 2000d64k An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000d64k, A comma-separated list of event ids that are associated to an event.

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