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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag has occurred near Ramhormoz in Iran

Earthquake location 31.4464S, 50.0887WA light earthquake magnitude 4.1 (ml/mb) strikes 49 kilometers (30 miles) from Ramhormoz in Iran on Sunday. Date and time of earthquake in UTC/GMT: 08/04/18 / 2018-04-08 19:35:11 / April 8, 2018 @ 7:35 pm. Event ids that are associated to the earthquake: us2000dwk4. Id of event: us2000dwk4. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 10 km (6 miles). Exact location of event, depth 10 km, 50.0887° East, 31.4464° North. The temblor was detected at 23:05:11 / 11:05 pm (local time epicenter).

Epicenter of the event was 85 km (53 miles) from Dehdasht (c. 69 700 pop), 85 km (53 miles) from Omīdīyeh (c. 47 000 pop), 50 km (31 miles) from Rāmhormoz (c. 38 800 pop), 86 km (54 miles) from Aghajari (c. 21 800 pop), 89 km (55 miles) from Rāmshīr (c. 19 500 pop). Nearest cities/city/towns to hypocenter/epicentrum was Rāmshīr, Aghajari, Dehdasht (min 5000 pop). Close country/countries that might be effected, Iran (c. 76 923 000 pop).

There are an estimated 13,000 light earthquakes in the world each year. 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 one, in the past 30 days three and in the last 365 days nine earthquakes of magnitude 3.0 or greater that have been detected in the same area.

How would you describe the shaking?

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. 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: 49 km ENE of Ramhormoz, Iran.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 50.0887° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 31.4464° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 49km ENE of Ramhormoz, Iran Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-04-08 19:35:11 Time when the event occurred. UTC/GMT
Updated 2018-05-07 16:23:42 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 259 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 8.427 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 70 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 us2000dwk4 Id of event.
Event Code 2000dwk4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000dwk4, A comma-separated list of event ids that are associated to an event.

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