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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Behbahan in Iran

Earthquake location 30.7007S, 50.2853WA light earthquake magnitude 4 (ml/mb) strikes 12 kilometers (7 miles) from Behbahan in Iran on Friday. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Global date and time of event UTC/GMT: 23/03/18 / 2018-03-23 14:09:33 / March 23, 2018 @ 2:09 pm. Exact location of event, longitude 50.2853 East, latitude 30.7007 North, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 17:39:33 / 5:39 pm (local time epicenter). Event ids that are associated to the earthquake: us1000dapx. Id of event: us1000dapx.

Epicenter of the earthquake was 62 km (39 miles) from Dogonbadan (c. 94 600 pop), 12 km (8 miles) from Behbahān (c. 79 300 pop), 29 km (18 miles) from Dehdasht (c. 69 700 pop), 56 km (35 miles) from Omīdīyeh (c. 47 000 pop), 43 km (27 miles) from Aghajari (c. 21 800 pop), 86 km (54 miles) from Rāmshīr (c. 19 500 pop). Close country/countries that might be effected, Iran (c. 76 923 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Rāmshīr, Dogonbadan, Omīdīyeh.

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

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 12 km NNE of Behbahan, 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 50.2853° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 30.7007° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 12km NNE of Behbahan, Iran Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-03-23 14:09:33 Time when the event occurred. UTC/GMT
Updated 2018-03-31 15:56:30 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 5.841 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 80 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 us1000dapx Id of event.
Event Code 1000dapx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dapx, A comma-separated list of event ids that are associated to an event.

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