Contact | RSS | EN | DE | EL | ES | FR | IT | RU

Minor mag. 0.8 earthquake - 37 Km NE of Amboy, Washington, on Wednesday, Nov 30, 2022 at 12:50 pm (GMT -8) -

Minor magnitude 0.8 earthquake at 8 km depth

30 Nov 22:30 UTC: First to report: USGS after 1 hour and 40 minutes.

Earthquake details

Date & time	Nov 30, 2022 20:50:11 UTC -
Local time at epicenter	Wednesday, Nov 30, 2022 at 12:50 pm (GMT -8)
Status	Confirmed
Magnitude	0.8
Depth	7.6 km
Epicenter latitude / longitude	46.18233°N / 122.16283°W (Washington, United States)
Antipode	46.182°S / 57.837°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Mount St. Helens (2 km / 1 mi)
Nearby towns and cities	37 km (23 mi) NE of Amboy (pop: 1,610) \| Show on map \| Quakes nearby 53 km (33 mi) NNE of Battle Ground (Clark County) (pop: 19,400) \| Show on map \| Quakes nearby 60 km (37 mi) E of Longview (Cowlitz County) (pop: 36,800) \| Show on map \| Quakes nearby 65 km (40 mi) NE of Salmon Creek (pop: 19,700) \| Show on map \| Quakes nearby 69 km (43 mi) NNE of La Camas (pop: 21,800) \| Show on map \| Quakes nearby 72 km (45 mi) NNE of Vancouver (pop: 172,900) \| Show on map \| Quakes nearby 83 km (52 mi) NNE of Portland (Oregon) (pop: 632,300) \| Show on map \| Quakes nearby 97 km (61 mi) NE of Hillsboro (Oregon) (pop: 102,300) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	1 x 10⁶ joules (0.278 kilowatt hours) \| 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
0.8	7.6 km	37 Km NE of Amboy, Washington	USGS

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

Seismograms

Seismic station: Rembrant, Mount St. Helens (REM/CC network) | Distance from quake: 3 km / 2 mi | Show on map | Station Info

Seismic station Rembrant, Mount St. Helens: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Show less

Seismic station Rembrant, Mount St. Helens: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Rembrant, Mount St. Helens: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Sugar Bowl (SUG/CC network) | Distance from quake: 4 km / 2 mi | Show on map | Station Info

Seismic station Sugar Bowl: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Sugar Bowl: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Sugar Bowl: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Loowit (LOO/CC network) | Distance from quake: 5 km / 3 mi | Show on map | Station Info

Seismic station Loowit: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Loowit: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Loowit: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Upper South Fork Repeater (USFR/CC network) | Distance from quake: 7 km / 4 mi | Show on map | Station Info

Seismic station Upper South Fork Repeater: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Upper South Fork Repeater: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Upper South Fork Repeater: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: North Fork Toutle (NFT/CC network) | Distance from quake: 12 km / 8 mi | Show on map | Station Info

Seismic station North Fork Toutle: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station North Fork Toutle: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station North Fork Toutle: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

At magnitude 0.8, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

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:

Design upgrade
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