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Light earthquake: M4 quake has struck near Bojnurd in Iran


Earthquake location 37.2994S, 56.6539WA light earthquake magnitude 4 (ml/mb) has occurred on Monday, 62 kilometers (39 miles) from Bojnurd in Iran. The 4-magnitude earthquake was detected at 18:48:17 / 6:48 pm (local time epicenter). Event id: us10008n91. Ids that are associated to the earthquake: us10008n91. Global date and time of event UTC/GMT: 24/04/17 / 2017-04-24 15:18:17 / April 24, 2017 @ 3:18 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 56.6539° East, latitude 37.2994° North, depth = 10 km. The epicenter was at a depth of 10 km (6 miles).

Nearby country/countries that might be effected, Iran (c. 76 923 000 pop). Earthquake epicenter was 63 km (39 miles) from Bojnūrd (c. 192 000 pop), 80 km (50 miles) from Esfarāyen (c. 59 700 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Esfarāyen, Bojnūrd.

There are an estimated 13,000 light quakes in the world each year. 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 five earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 62 km WSW of Bojnurd, Iran. 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 56.6539° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.2994° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 62km WSW of Bojnurd, Iran Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-04-24 15:18:17 Time when the event occurred. UTC/GMT
Updated 2017-05-07 19:17:58 Time when the event was most recently updated. UTC/GMT
Timezone offset 210 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 1.321 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 192 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 us10008n91 Id of event.
Event Code 10008n91 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008n91, A comma-separated list of event ids that are associated to an event.

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