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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Khorugh in Tajikistan

Earthquake location 37.5261S, 72.0935WA light earthquake magnitude 4 (ml/mb) strikes 47 kilometers (29 miles) from Khorugh in Tajikistan on Saturday. Event id: us6000dd03. Ids that are associated to the earthquake: us6000dd03. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 132.79 km (83 miles) below the earth’s surface. Exact location, longitude 72.0935° East, latitude 37.5261° North, depth = 132.79 km. The temblor was picked up at 04:39:30 / 4:39 am (local time epicenter). Date and time of earthquake in UTC/GMT: 23/01/21 / 2021-01-23 04:39:30 / January 23, 2021 @ 4:39 am.

Nearest cities/city/villages to epicentrum/hypocenter was Khandūd, Khorugh (min 5000 pop). Nearby country/countries that might be effected, Afghanistan (c. 29 121 000 pop), Tajikistan (c. 7 487 000 pop). Earthquake epicenter was 48 km (30 miles) from Khorugh (c. 30 000 pop), 67 km (42 miles) from Khandūd (c. 5 500 pop).

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days five and in the last 365 days fifty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. 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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 47 km E of Khorugh, Tajikistan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 72.0935° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.5261° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 132.79 km Depth of the event in kilometers.
Place 47 km E of Khorugh, Tajikistan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-23 04:39:30 Time when the event occurred. UTC/GMT
Updated 2021-01-30 00:22:21 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 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 1.967 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.83 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 79 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 us6000dd03 Id of event.
Event Code 6000dd03 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000dd03, A comma-separated list of event ids that are associated to an event.

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