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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 83 km ENE of Shughnon, Tajikistan


Earthquake location 37.8619S, 72.4117WA light earthquake magnitude 4.6 (ml/mb) strikes 83 kilometers (52 miles) from Shughnon in Tajikistan on Tuesday. The 4.6-magnitude earthquake was detected at 05:49:23 / 5:49 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 72.4117° East, latitude 37.8619° North, depth = 132.18 km. Unique identifier: us1000h931. Ids that are associated to the event: us1000h931. The earthquake was roughly at a depth of 132.18 km (82 miles). Exact time and date of event in UTC/GMT: 09/10/18 / 2018-10-09 00:49:23 / October 9, 2018 @ 12:49 am.

Epicenter of the event was 86 km (54 miles) from Khorugh (c. 30 000 pop). Close country/countries that might be effected, Tajikistan (c. 7 487 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Khorugh (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days six and in the last 365 days fifty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 83 km ENE of Shughnon, Tajikistan.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 72.4117° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.8619° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 132.18 km Depth of the event in kilometers.
Place 83km ENE of Shughnon, Tajikistan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-09 00:49:23 Time when the event occurred. UTC/GMT
Updated 2018-10-28 00:48:02 Time when the event was most recently updated. UTC/GMT
Timezone offset 300 Timezone offset from UTC in minutes at the event epicenter.
Felt 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 326 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 0.682 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 85 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 us1000h931 Id of event.
Event Code 1000h931 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h931, A comma-separated list of event ids that are associated to an event.

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