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Moderate mag. 4.3 earthquake - North Pacific Ocean, Oregon, USA, on Thursday, Mar 16, 2023 at 11:16 pm (GMT -9) -

Moderate magnitude 4.3 earthquake at 10 km depth

17 Mar 08:32 UTC: First to report: USGS after 16 minutes.

Earthquake details

Date & time	Mar 17, 2023 08:16:05 UTC -
Local time at epicenter	Thursday, Mar 16, 2023 at 11:16 pm (GMT -9)
Status	Confirmed
Magnitude	4.3
Depth	10.0 km
Epicenter latitude / longitude	43.6578°N / 128.1969°W (North Pacific Ocean, Oregon, United States)
Antipode	43.658°S / 51.803°E
Shaking intensity	Light shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	North Gorda Ridge (159 km / 99 mi)
Nearby towns and cities
Weather at epicenter at time of quake	Overcast Clouds 7°C (45 F), humidity: 73%, wind: 1 m/s (2 kts) from SSW
Estimated seismic energy released	1.8 x 10¹¹ joules (49.4 megawatt hours, equivalent to 42.5 tons of TNT) \| about seismic energy

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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
4.3	10 km	Off the Coast of Oregon	USGS
4.3	10 km	Off Coast of Oregon	RaspberryShake
4.3	10 km	Off Coast Of Oregon	IRIS
4.3	10 km	OFF COAST OF OREGON	EMSC

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

Seismograms

Seismic station: RSN Hydrate Summit 1-4 (HYS14/OO network) | Distance from quake: 264 km / 164 mi | Show on map | Station Info

Seismic station RSN Hydrate Summit 1-4: 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: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake (1)

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

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Medford Oregon / not felt (reported through our app)

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