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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Chhatak in Bangladesh

Earthquake location 25.0632S, 91.6394WA light earthquake magnitude 4.5 (ml/mb) has struck on Tuesday, 4 kilometers (2 miles) from Chhatak in Bangladesh. The epicenter was at a depth of 34.06 km (21 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 18/04/17 / 2017-04-18 14:01:34 / April 18, 2017 @ 2:01 pm UTC/GMT. Unique identifier: us10008n34. Ids that are associated to the event: us10008n34. The temblor was reported at 20:01:34 / 8:01 pm (local time epicenter). Exact location of event, depth 34.06 km, 91.6394° East, 25.0632° North.

Earthquake epicenter was 30 km (18 miles) from Sylhet (c. 237 000 pop), 61 km (38 miles) from Shillong (c. 132 800 pop), 79 km (49 miles) from Habiganj (c. 88 800 pop), 94 km (58 miles) from Netrakona (c. 79 000 pop), 65 km (41 miles) from Maulavi Bāzār (c. 57 400 pop), 75 km (47 miles) from Karīmganj (c. 55 300 pop), 5 km (3 miles) from Chhātak (c. 39 200 pop). Nearby country/countries that might be effected, Bangladesh (c. 156 118 000 pop), India (c. 1 173 108 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Nongpoh, Dharmanagar, Netrakona (min 5000 pop).

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

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 4 km NW of Chhatak, Bangladesh.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 91.6394° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 25.0632° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34.06 km Depth of the event in kilometers.
Place 4km NW of Chhatak, Bangladesh Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-04-18 14:01:34 Time when the event occurred. UTC/GMT
Updated 2017-05-03 14:18:18 Time when the event was most recently updated. UTC/GMT
Timezone offset 360 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 312 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 0.538 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.29 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 129 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 us10008n34 Id of event.
Event Code 10008n34 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008n34, A comma-separated list of event ids that are associated to an event.

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