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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Sarpol-e Zahab in Iran


Earthquake location 34.7169S, 45.7205WA light earthquake magnitude 4 (ml/mb) has struck on Tuesday, 31 kilometers (19 miles) from Sarpol-e Zahab in Iran. Event ids that are associated to the earthquake: us1000bszm. Id of event: us1000bszm. The epicenter was at a depth of 12.4 km (8 miles). Exact location of event, longitude 45.7205 East, latitude 34.7169 North, depth = 12.4 km. The 4-magnitude earthquake has occurred at 12:45:46 / 12:45 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 19/12/17 / 2017-12-19 09:15:46 / December 19, 2017 @ 9:15 am UTC/GMT.

Event epicenter was 57 km (35 miles) from (c. 57 300 pop), 31 km (19 miles) from Sarpol-e Z̄ahāb (c. 51 600 pop), 73 km (46 miles) from Javānrūd (c. 38 700 pop), 70 km (43 miles) from Kifrī (c. 30 100 pop), 68 km (43 miles) from Pāveh (c. 17 800 pop). Nearest cities/city/villages to epicentrum/hypocenter was Javānrūd, Kifrī, Pāveh (min 5000 pop). Country/countries that might be effected, Iraq (c. 29 672 000 pop), Iran (c. 76 923 000 pop).

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days eighteen and in the last 365 days fifty 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?

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: 31 km NNW of Sarpol-e Zahab, 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 45.7205° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.7169° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.4 km Depth of the event in kilometers.
Place 31km NNW 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 2017-12-19 09:15:46 Time when the event occurred. UTC/GMT
Updated 2017-12-22 14:50:14 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 0.399 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.4 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 132 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 us1000bszm Id of event.
Event Code 1000bszm An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000bszm, A comma-separated list of event ids that are associated to an event.

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