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Light World Earthquakes Magnitude 4-4.9

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


Earthquake location 34.5944S, 46.127WA light earthquake with magnitude 4 (ml/mb) was detected on Saturday, 28 kilometers (17 miles) from Sarpol-e Zahab in Iran. Exact time and date of earthquake 20/10/18 / 2018-10-20 11:33:36 / October 20, 2018 @ 11:33 am UTC/GMT. The earthquake was roughly at a depth of 10 km (6 miles). The temblor was reported at 15:03:36 / 3:03 pm (local time epicenter). Exact location of earthquake, 46.127° East, 34.5944° North, depth 10 km. Id of earthquake: us1000hgxz. Event ids that are associated: us1000hgxz. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearest cities/city/towns to hypocenter/epicentrum was Kahrīz, Kāmyārān, (min 5000 pop). Nearby country/countries, Iraq (c. 29 672 000 pop), Iran (c. 76 923 000 pop) (That might be effected). Epicenter of the event was 88 km (55 miles) from Kahrīz (c. 766 700 pop), 77 km (48 miles) from Kāmyārān (c. 61 600 pop), 66 km (41 miles) from (c. 57 300 pop), 28 km (18 miles) from Sarpol-e Z̄ahāb (c. 51 600 pop), 42 km (26 miles) from Javānrūd (c. 38 700 pop), 54 km (34 miles) from Pāveh (c. 17 800 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. 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 one hundred and thirteen earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 28 km ENE 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 46.127° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.5944° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 28km ENE 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 2018-10-20 11:33:36 Time when the event occurred. UTC/GMT
Updated 2018-10-26 07:15:53 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 0.619 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.06 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 113 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 us1000hgxz Id of event.
Event Code 1000hgxz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000hgxz, A comma-separated list of event ids that are associated to an event.

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