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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 17 km W of Roshtqal’a, Tajikistan


Earthquake location 37.2882S, 71.6274WA light earthquake magnitude 4.2 (ml/mb) strikes 17 kilometers (11 miles) from Roshtqal’a in Tajikistan on Wednesday. The temblor was reported at 02:42:49 / 2:42 am (local time epicenter). Exact location of earthquake, longitude 71.6274 East, latitude 37.2882 North, depth = 115.04 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us2000cka9. Ids that are associated to the earthquake: us2000cka9. Exact time and date of earthquake 02/01/18 / 2018-01-02 21:42:49 / January 2, 2018 @ 9:42 pm UTC/GMT. The earthquake occurred at a depth of 115.04 km (71 miles).

Closest city/cities/towns to epicentrum/hypocenter was Jurm, Khandūd, Ashkāsham (min 5000 pop). Close country/countries that might be effected, Afghanistan (c. 29 121 000 pop), Tajikistan (c. 7 487 000 pop). Earthquake epicenter was 23 km (15 miles) from Khorugh (c. 30 000 pop), 63 km (39 miles) from Ishqoshim (c. 26 000 pop), 68 km (42 miles) from Ashkāsham (c. 12 100 pop), 85 km (53 miles) from Jurm (c. 12 100 pop), 72 km (45 miles) from Khandūd (c. 5 500 pop).

In the past 24 hours, there have been three, in the last 10 days nine, in the past 30 days thirteen and in the last 365 days one hundred and five 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. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel the quake?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 17 km W of Roshtqal’a, Tajikistan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 71.6274° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.2882° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 115.04 km Depth of the event in kilometers.
Place 17km W 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 2018-01-02 21:42:49 Time when the event occurred. UTC/GMT
Updated 2018-01-19 03:55:11 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 0.854 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 72 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 us2000cka9 Id of event.
Event Code 2000cka9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000cka9, A comma-separated list of event ids that are associated to an event.

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