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Light earthquake: M4.7 quake has struck near Sarpol-e Zahab in Iran


Earthquake location 34.4279S, 45.7971WA light earthquake with magnitude 4.7 (ml/mb) was reported 7 kilometers (4 miles) from Sarpol-e Zahab in Iran on Wednesday. Event ids that are associated to the earthquake: us1000c0pw. Id of event: us1000c0pw. The earthquake was roughly at a depth of 10 km (6 miles). Exact location, longitude 45.7971° East, latitude 34.4279° North, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.7-magnitude earthquake has occurred at 23:31:05 / 11:31 pm (local time epicenter). Global date and time of event UTC/GMT: 20/12/17 / 2017-12-20 20:01:05 / December 20, 2017 @ 8:01 pm.

Country/countries that might be effected, Iraq (c. 29 672 000 pop), Iran (c. 76 923 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Al Miqdādīyah, Pāveh, (min 5000 pop). The epicenter was 85 km (53 miles) from (c. 57 300 pop), 7 km (4 miles) from Sarpol-e Z̄ahāb (c. 51 600 pop), 94 km (58 miles) from Al Miqdādīyah (c. 50 700 pop), 78 km (48 miles) from Javānrūd (c. 38 700 pop), 82 km (51 miles) from Kifrī (c. 30 100 pop), 79 km (49 miles) from Mandalī (c. 29 800 pop), 85 km (53 miles) from Pāveh (c. 17 800 pop).

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been four, in the last 10 days eight, in the past 30 days nineteen and in the last 365 days fifty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 7 km WSW of Sarpol-e Zahab, Iran.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 45.7971° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.4279° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 7km WSW of Sarpol-e Zahab, Iran Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-20 20:01:05 Time when the event occurred. UTC/GMT
Updated 2018-01-04 18:08:28 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 340 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 1.23 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.7 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 66 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 us1000c0pw Id of event.
Event Code 1000c0pw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000c0pw, A comma-separated list of event ids that are associated to an event.

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