Every recorded earthquake near

Earthquakes near East Helena, MT

M 2.7

Latest: 3:38 pm MDT on 9 March 2025 · 6 km (4 mi) WNW of East Helena, MT

The most recent earthquake of M2.5 or more near East Helena was M 2.7, 6 km (4 mi) WNW of East Helena, MT, at 3:38 pm MDT on 9 March 2025. 267 people reported feeling it to USGS. 8 smaller earthquakes have been recorded nearby since; the newest is first in the list below.

Within 30 km since 2016: 77 earthquakes of M1.5 or more
In the last 12 months: 5
Largest since 2016: M 3.7 on 4 February 2016, 13 km (8 mi) SW of East Helena, MT
Reported felt: 10 of them have felt reports to USGS

USGS · feed checked 1 seconds ago · newest earthquake in our database 14 minutes ago · this page 03:23 UTC

The latest 50

1.5 28 km (18 mi) N of East Helena, MT Sep 2, 2026
5:06 pm MDT
1.5 8 km (5 mi) SW of East Helena, MT Aug 5, 2026
2:34 pm MDT
1.7 7 km (4 mi) WSW of East Helena, MT Jul 29, 2026
12:27 pm MDT
1.9 8 km (5 mi) SW of East Helena, MT Jun 12, 2026
7:36 am MDT
2.4 15 km (9 mi) SSW of East Helena, MT May 20, 2026
1:12 am MDT
1.7 16 km (10 mi) E of East Helena, MT Jun 21, 2025
9:15 pm MDT
1.5 10 km (6 mi) WNW of East Helena, MT May 18, 2025
3:20 pm MDT
2.3 28 km (17 mi) WNW of East Helena, MT · felt by 1 Mar 23, 2025
3:32 am MDT
2.7 6 km (4 mi) WNW of East Helena, MT · felt by 267 Mar 9, 2025
3:38 pm MDT
1.8 6 km (4 mi) W of East Helena, MT · felt by 2 Mar 1, 2025
10:29 am MST
2.0 29 km (18 mi) WNW of East Helena, MT Jan 5, 2025
8:33 pm MST
2.2 in East Helena, MT Nov 20, 2024
7:44 pm MST
2.4 13 km (8 mi) WNW of East Helena, MT · felt by 47 Dec 4, 2023
5:19 am MST
1.5 5 km (3 mi) SW of East Helena, MT Aug 4, 2023
10:34 am MDT
1.7 5 km (3 mi) SW of East Helena, MT Jun 28, 2023
10:44 am MDT
1.8 8 km (5 mi) NW of East Helena, MT Sep 16, 2022
8:38 am MDT
1.6 5 km (3 mi) SW of East Helena, MT May 25, 2022
12:10 pm MDT
1.6 5 km (3 mi) SW of East Helena, MT Apr 20, 2022
10:06 am MDT
1.8 29 km (18 mi) WNW of East Helena, MT Apr 11, 2022
10:22 pm MDT
1.6 19 km (12 mi) NW of East Helena, MT · felt by 1 Apr 3, 2022
5:36 pm MDT
1.6 8 km (5 mi) SW of East Helena, MT Mar 11, 2022
9:47 am MST
1.6 7 km (5 mi) SW of East Helena, MT · felt by 1 Feb 24, 2022
11:07 am MST
1.7 4 km (2 mi) SW of East Helena, MT Dec 8, 2021
10:43 am MST
2.2 19 km (12 mi) WNW of East Helena, MT Nov 12, 2021
2:40 pm MST
2.4 25 km (15 mi) NNW of East Helena, MT Oct 4, 2021
4:36 pm MDT
2.9 25 km (16 mi) SSE of East Helena, MT · felt by 4 Aug 28, 2021
5:10 pm MDT
2.3 3 km (2 mi) WNW of East Helena, MT · felt by 2 May 29, 2021
5:03 am MDT
1.6 5 km (3 mi) SW of East Helena, MT Apr 21, 2021
1:42 pm MDT
1.8 29 km (18 mi) SSW of East Helena, MT Feb 15, 2021
12:21 am MST
1.7 12 km (7 mi) WSW of East Helena, MT Dec 3, 2020
12:08 pm MST
2.4 17 km (10 mi) NNW of East Helena, MT Oct 25, 2020
9:23 am MDT
1.7 7 km (4 mi) SW of East Helena, MT Aug 20, 2020
9:51 am MDT
2.1 16 km (10 mi) N of East Helena, MT Aug 11, 2020
4:55 am MDT
2.3 29 km (18 mi) N of East Helena, MT Apr 20, 2020
4:13 pm MDT
1.6 5 km (3 mi) SW of East Helena, MT Oct 23, 2019
1:36 pm MDT
1.5 6 km (4 mi) S of East Helena, MT Jul 16, 2019
12:05 pm MDT
1.7 7 km (4 mi) SW of East Helena, MT Jun 18, 2019
11:14 am MDT
1.7 7 km (5 mi) SW of East Helena, MT May 2, 2019
10:38 am MDT
1.6 8 km (5 mi) WSW of East Helena, MT May 1, 2019
12:20 pm MDT
1.8 6 km (4 mi) WSW of East Helena, MT Mar 13, 2019
2:20 pm MDT
1.6 30 km (19 mi) NW of East Helena, MT Oct 26, 2018
10:53 pm MDT
1.6 7 km (4 mi) SW of East Helena, MT Sep 28, 2018
11:32 am MDT
2.1 4 km (3 mi) W of East Helena, MT · felt by 2 Jun 6, 2018
8:40 pm MDT
1.5 6 km (4 mi) SW of East Helena, MT May 31, 2018
11:10 am MDT
2.3 26 km (16 mi) N of East Helena, MT Mar 10, 2018
12:32 pm MST
1.8 6 km (3 mi) SW of East Helena, MT Dec 14, 2017
12:41 pm MST
1.8 7 km (4 mi) SW of East Helena, MT Nov 16, 2017
12:15 pm MST
1.6 7 km (4 mi) SW of East Helena, MT Nov 1, 2017
12:06 pm MDT
1.7 23 km (14 mi) W of East Helena, MT Sep 29, 2017
2:15 pm MDT
1.5 7 km (4 mi) SW of East Helena, MT Apr 26, 2017
1:48 pm MDT

From the QuakeIndex database, which reads the USGS feed every 30 seconds and holds the USGS catalogue for the US from 2016 (M1.5+). Times are East Helena time. Distances are from the town centre. Quakes USGS named after East Helena are listed even when they are further out.

On the map

Map loads when it scrolls into view

The white circle is East Helena; dots are the 50 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.

Before 2016

The USGS record since 1900 lists 4 earthquakes of M5 or more within 50 km of East Helena:

6.1 The 1935 Helena, Montana Earthquakes (Mainshock) · 20 km E of East Helena 1935
5.9 2 km ENE of Helena, Montana · 7 km W of East Helena 1935
5.9 The 1935 Helena, Montana Earthquakes (Largest Aftershock) · 7 km SE of East Helena 1935
5.0 2 km ENE of Helena, Montana · 7 km W of East Helena 1935

USGS ComCat, M5+ from 1900 to 2016. This is the record, not a forecast.

Nearby towns

Helena 9 km · Helena Valley Northeast 12 km · Helena Valley West Central 14 km · Clancy 15 km · Helena Valley Northwest 19 km

If you felt one

Was that an earthquake? — checks what was recorded near you in the last hour
Report what you felt to USGS — reports go to USGS, not to us
Earthquakes in Montana, with the state's activity score

QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.