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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Gafargaon in Bangladesh

Earthquake location 24.4134S, 90.5812WA light earthquake magnitude 4 (ml/mb) has occurred on Tuesday, 2 kilometers (1 miles) from Gafargaon in Bangladesh. Global date and time of event UTC/GMT: 21/12/15 / 2015-12-21 23:52:28 / December 21, 2015 @ 11:52 pm. 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 14.16 km (9 miles) below the earth’s surface. Exact location of event, longitude 90.5812 East, latitude 24.4134 North, depth = 14.16 km. Event id: us100048nw. Ids that are associated to the earthquake: us100048nw. The 4-magnitude earthquake has occurred at 05:52:28 / 5:52 am (local time epicenter).

Close country/countries that might be effected, Bangladesh (c. 156 118 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Nārāyanganj, Sirājganj, Sherpur (min 5000 pop). The epicenter was 80 km (50 miles) from Dhaka (c. 10 356 500 pop), 61 km (38 miles) from Tungi (c. 337 600 pop), 56 km (35 miles) from Narsingdi (c. 281 100 pop), 82 km (51 miles) from Nāgarpur (c. 238 400 pop), 42 km (26 miles) from Mymensingh (c. 225 100 pop), 89 km (55 miles) from Nārāyanganj (c. 223 600 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days one earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

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 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: 2 km SSE of Gafargaon, Bangladesh.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 90.5812° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 24.4134° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14.16 km Depth of the event in kilometers.
Place 2km SSE of Gafargaon, Bangladesh Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-21 23:52:28 Time when the event occurred. UTC/GMT
Updated 2016-01-10 01:04:02 Time when the event was most recently updated. UTC/GMT
Timezone offset 360 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 1.63 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.45 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 178 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 us100048nw Id of event.
Event Code 100048nw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100048nw, A comma-separated list of event ids that are associated to an event.

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