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

A light earthquake magnitude 4.1 (ml/mb) has occurred on Sunday, 18 kilometers (11 miles) from Roshtqal’a in Tajikistan. The 4.1-magnitude earthquake has occurred at 21:25:52 / 9:25 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 245.21 km (152 miles). Date and time of earthquake in UTC/GMT: 21/10/18 / 2018-10-21 16:25:52 / October 21, 2018 @ 4:25 pm. Unique identifier: us1000hfa6. Ids that are associated to the event: us1000hfa6. Exact location of event, longitude 71.9766 East, latitude 37.1384 North, depth = 245.21 km.

Epicenter of the earthquake was 54 km (34 miles) from Khorugh (c. 30 000 pop), 56 km (35 miles) from Ishqoshim (c. 26 000 pop), 64 km (40 miles) from Ashkāsham (c. 12 100 pop), 37 km (23 miles) from Khandūd (c. 5 500 pop). Country/countries that might be effected, Afghanistan (c. 29 121 000 pop), Tajikistan (c. 7 487 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Ashkāsham, Ishqoshim, Khorugh.

Each 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 one, in the last 10 days one, in the past 30 days six and in the last 365 days eighty-seven earthquakes of magnitude 3.0 or greater that was reported nearby.

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 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: 18 km SE of Roshtqal’a, Tajikistan.

More information

Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	71.9766° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	37.1384° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	245.21 km	Depth of the event in kilometers.
Place	18km SE 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	2018-10-21 16:25:52	Time when the event occurred. UTC/GMT
Updated	2018-10-21 18:24:18	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	0.465	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.56 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	93	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	us1000hfa6	Id of event.
Event Code	1000hfa6	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000hfa6,	A comma-separated list of event ids that are associated to an event.

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

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