Light earthquake, 4.1 mag has occurred near Shahrud in Iran

Posted by admin on August 27, 2025 0 Comments

A light earthquake with magnitude 4.1 (ml/mb) was reported 23 kilometers (14 miles) from Shahrud in Iran on Monday. Exact location of event, depth 10 km, 54.8547° East, 36.603° North. Unique identifier: us7000qrdp. Ids that are associated to the event: us7000qrdp. Global date and time of event UTC/GMT: 04/08/25 / 2025-08-04 21:09:46 / August 4, 2025 @ 9:09 pm. The temblor was reported at 21:09:46 / 9:09 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface.

Nearest cities/city/towns to hypocenter/epicentrum was Āq Qāyeh, Gonbad-e Kāvūs, Dāmghān (min 5000 pop). Earthquake epicenter was 45 km (28 miles) from Gorgān (c. 244 900 pop), 23 km (14 miles) from Shahrud (c. 131 900 pop), 77 km (48 miles) from Gonbad-e Kāvūs (c. 131 400 pop), 67 km (41 miles) from Dāmghān (c. 67 700 pop), 61 km (38 miles) from Āzādshahr (c. 47 600 pop), 79 km (49 miles) from Āq Qāyeh (c. 5 100 pop). Close country/countries, Iran (c. 76 923 000 pop) (That might be effected).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days four and in the last 365 days five earthquakes of magnitude 3.0 or greater that was reported nearby. Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 23 km NNW of Shahrud, Iran. This data comes from the USGS Earthquake Notification Service.

Āq Qāyeh Āzādshahr Damghan Gonbad-e Kāvūs Gorgān Iran Shahrud

More information

Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	54.8547° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.603° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	23 km NNW of Shahrud, Iran	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-08-04 21:09:46	Time when the event occurred. UTC/GMT
Updated	2025-08-27 22:56:06	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	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	40	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	7.864	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.75 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	111	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	us7000qrdp	Id of event.
Event Code	7000qrdp	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000qrdp,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.1 mag has occurred near Shahrud in Iran

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