Earthquakes by city Iran 100 km
Seismic city profile

Semnan

Semnan, Iran: 76 earthquakes of magnitude 4.0+ detected within 100 km.

Population
124,826
Residents in the indexed city record.
Earthquakes
76
Earthquakes at M4.0+ nearby.
Max magnitude
6.6
Strongest recorded event in the current radius.
Timezone
Asia/Tehran
Coordinates 35.577, 53.392
Nearby activity pulse
Last 30 days
0
Last 12 months
1
Last nearby event: 2025-06-20 17:49 UTC
Strongest nearby event
M 6.6
IR
1957-07-02 00:42 UTC

Map

Earthquakes within 100 km of Semnan

The map centers on Semnan and highlights the most recent earthquakes detected within 100 km.

Average magnitude
4.6
Average depth
20.0 km

Timeline

Recent seismic activity

Latest 25 events shown
UTC Magnitude Region Depth
2025-06-20 17:49 M 4.9
Semnan
Iran
10.0 km
2024-12-13 18:28 M 4.7
Sari
Iran
10.0 km
2024-10-05 19:15 M 4.5
Semnan
Iran
10.0 km
2022-03-10 02:58 M 4.1
Sari
Iran
10.0 km
2020-09-13 03:04 M 4.5
Sari
Iran
10.0 km
2020-07-12 07:19 M 4.0
Sari
Iran
10.0 km
2019-10-31 14:58 M 4.3
Semnan
Iran
10.0 km
2019-07-04 06:27 M 4.7
Dāmghān
Iran
10.0 km
2018-09-27 09:25 M 4.1
Sari
Iran
10.0 km
2018-04-01 18:26 M 4.0
Īstgāh-e Rāh Āhan-e Garmsār
Iran
10.0 km
2018-03-20 02:40 M 4.0
Semnan
Iran
10.0 km
2018-01-27 12:40 M 4.1
Sari
Iran
10.0 km
2018-01-15 13:50 M 4.4
Sari
Iran
10.0 km
2017-06-22 02:00 M 4.1
Dāmghān
Iran
10.0 km
2016-01-26 04:55 M 4.0
Semnan
Iran
10.0 km
2015-08-25 17:36 M 4.6
Īstgāh-e Rāh Āhan-e Garmsār
Iran
6.7 km
2014-01-30 22:12 M 4.0
Semnan
Iran
11.0 km
2013-08-03 15:25 M 4.5
Semnan
Iran
8.0 km
2013-07-24 16:51 M 4.1
Semnan
Iran
33.8 km
2013-03-21 19:37 M 4.8
Sari
Iran
10.0 km
2012-08-06 07:04 M 4.2
Semnan
Iran
15.0 km
2012-05-05 04:46 M 4.2
Sari
Iran
7.0 km
2012-04-30 01:33 M 4.0
Semnan
Iran
19.0 km
2012-02-10 08:59 M 4.7
Īstgāh-e Rāh Āhan-e Garmsār
Iran
14.3 km
2010-08-28 00:29 M 4.9
Semnan
Iran
6.0 km

Monthly profile

Recent monthly trend

2025-06 1 events

Historic snapshot

Earthquakes history

Year Max magnitude Earthquakes