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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4 quake has struck near Roshtqal’a in Tajikistan

Earthquake location 37.2786S, 71.9275WA light earthquake magnitude 4 (ml/mb) has struck on Tuesday, 9 kilometers (6 miles) from Roshtqal’a in Tajikistan. All ids that are associated to the event: us20005fj9. Unique identifier: us20005fj9. The 4-magnitude earthquake was detected at 12:49:47 / 12:49 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 05/04/16 / 2016-04-05 07:49:47 / April 5, 2016 @ 7:49 am. Exact location of earthquake, 71.9275° East, 37.2786° North, depth 152.99 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 152.99 km (95 miles).

Event epicenter was 41 km (25 miles) from Khorugh (c. 30 000 pop), 68 km (42 miles) from Ishqoshim (c. 26 000 pop), 75 km (47 miles) from Ashkāsham (c. 12 100 pop), 50 km (31 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 cities/city/towns to hypocenter/epicentrum was Ashkāsham, Ishqoshim, Khandūd (min 5000 pop).

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been five, in the last 10 days five, in the past 30 days thirteen and in the last 365 days seventy-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 9 km ENE of Roshtqal’a, Tajikistan.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 71.9275° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.2786° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 152.99 km Depth of the event in kilometers.
Place 9km 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 2016-04-05 07:49:47 Time when the event occurred. UTC/GMT
Updated 2016-04-19 10:14:02 Time when the event was most recently updated. UTC/GMT
Timezone offset 300 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 0.329 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 119 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 us20005fj9 Id of event.
Event Code 20005fj9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005fj9, A comma-separated list of event ids that are associated to an event.

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