Moderate mag. 4.0 earthquake - 10.1 mi south of Whitehall, Jefferson County, Montana, USA, on 2016-09-03 17:44:13 -06:00

Moderate magnitude 4.0 earthquake at 8 km depth

4 Sep 02:16 UTC: First to report: USGS after 2 hours and 32 minutes.
Hypocenter depth recalculated from 1.5 to 8.0 km.

Earthquake details

Date & time	Sep 3, 2016 23:44:13 UTC
Local time at epicenter	2016-09-03 17:44:13 -06:00
Status	Confirmed
Magnitude	4
Depth	8.0 km
Epicenter latitude / longitude	45.7253°N / 112.1262°W (Madison, Montana, United States)
Antipode	45.725°S / 67.874°E
Shaking intensity	Light shaking
Felt	3 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Yellowstone (184 km / 114 mi)
Nearby towns and cities	16 km (10 mi) S of Whitehall (pop: 1,090) \| Show on map \| Quakes nearby 44 km (28 mi) SE of Butte (pop: 34,200) \| Show on map \| Quakes nearby 46 km (28 mi) ESE of Butte-Silver Bow (Balance) (pop: 33,500) \| Show on map \| Quakes nearby 48 km (30 mi) WSW of Three Forks (pop: 1,930) \| Show on map \| Quakes nearby 57 km (35 mi) S of Boulder (pop: 1,210) \| Show on map \| Quakes nearby 63 km (39 mi) WSW of Manhattan (pop: 1,630) \| Show on map \| Quakes nearby 69 km (43 mi) NE of Dillon (pop: 4,210) \| Show on map \| Quakes nearby 85 km (53 mi) W of Bozeman (pop: 43,400) \| Show on map \| Quakes nearby 97 km (60 mi) S of Helena (Lewis and Clark County) (pop: 30,600) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	6.3 x 10¹⁰ joules (17.5 megawatt hours, equivalent to 15.1 tons of TNT) \| about seismic energy

Show interactive Map

[smaller] [bigger]

Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.

Mag.	Depth	Location	Source
4.0	8 km	- 17km S of Whitehall, Montana	USGS
4.0	2 km	WESTERN MONTANA	EMSC

(shakemap: USGS)

Most recent quakes Top 20 past 24 hrs Quakes in the US

User reports for this quake (4)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!

Translate

waterloo / Moderate shaking (MMI V) : was standing outside heard loud boom then felt ground shake for about 5 seconds and heard windows rattling on house noticed power lines and poles moving.

Eureka, MT / Light shaking (MMI IV) : I woke up to a light shake and the sound of a lamp rocking.

Whitehall (17.4 km N of epicenter) [Map] / Light shaking (MMI IV) : Loud rumbling Tremors shaking large house!

Helena (United States, 96 km N of epicenter) : Felt a small quick rocking while sitting at the desk in a chair with wheels, the chair was still at that moment. (reported through EMSC)

Try our free app!

Android | iOS version

Earlier earthquakes in the same area

Click here to search our database for earlier earthquakes in the same area since 1900!

Try our free app!

Android | iOS version

Why is there advertising on this site?

Support us - Help us upgrade our services!

We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:

Improved multilanguage support
Tsunami alerts
Faster responsiveness

Thanks to your past donations, these features have been added recently:

Earthquake archive from 1900 onwards
Detailed quake stats
Additional seismic data sources

Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS

Thank you!

Sources: VolcanoDiscovery / VolcanoAdventures and other sources as noted.
Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.

Volcanoes & Earthquakes