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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Semnan in Iran


Earthquake location 35.2905S, 52.9923WA light earthquake with magnitude 4.5 (ml/mb) was reported 48 kilometers (30 miles) from Semnan in Iran on Saturday. The earthquake occurred at a depth of 10 km (6 miles). Date and time of earthquake in UTC/GMT: 05/10/24 / 2024-10-05 19:15:33 / October 5, 2024 @ 7:15 pm. Exact location of event, depth 10 km, 52.9923° East, 35.2905° North. Event ids that are associated to the earthquake: us6000nwr9. Id of event: us6000nwr9. The 4.5-magnitude earthquake was detected at 19:15:33 / 7:15 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Event epicenter was 48 km (30 miles) from Semnān (c. 124 800 pop), 62 km (39 miles) from Īstgāh-e Rāh Āhan-e Garmsār (c. 49 500 pop), 96 km (60 miles) from Damāvand (c. 29 100 pop), 57 km (35 miles) from Mahdishahr (c. 21 000 pop). Country/countries that might be effected, Iran (c. 76 923 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Damāvand, Īstgāh-e Rāh Āhan-e Garmsār, Mahdishahr (min 5000 pop).

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 one and in the last 365 days one earthquakes of magnitude 3.0 or greater that have been detected 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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 48 km SW of Semnan, Iran.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 52.9923° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.2905° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 48 km SW of Semnan, Iran Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-10-05 19:15:33 Time when the event occurred. UTC/GMT
Updated 2024-10-05 20:06:13 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 312 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 52 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 5.035 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.95 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 142 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 us6000nwr9 Id of event.
Event Code 6000nwr9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000nwr9, A comma-separated list of event ids that are associated to an event.

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