Earthquake · reviewed by a seismologist
M 1.9ml
12 km NNW of Amanda Park, Washington
Yes. A magnitude 1.9 earthquake was recorded 12 km NNW of Amanda Park, Washington, at 8:10 pm PST on 16 November 2023 (04:10 UTC), 28 km deep.
- When
- Magnitude
- M 1.9 (ml)
- Depth
- 28 km below the surface
- Felt
- no reports yet
- Nearest
- Jefferson County, 40 km NE
- Nearest mapped fault
- Cascadia fold and fault belt, 20 km from its surface trace — near is not the same as on
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 1092 days ago
Earthquake alerts for Forks, WA
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Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.
At this magnitude and depth it was probably too small to be felt, even directly above it. Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.
How big was it?
This earthquake released about 19 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.9 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 790,000× the energy of this one
- Magna, Utah 2020 M 5.7 560,000× the energy of this one
- Around the size people start to feel M 3.0 50× the energy of this one
- This earthquake M 1.9 about 19 lb of TNT
Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.
For this area
The largest earthquake within 50 km since 2016 was M 4.1 on 2018-11-19 — about 2,100 times the energy of this one.
Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.
Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.
Where
Epicentre 47.5702, -123.9395. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Jefferson County, WA | 40 km (25 mi) | NE | earthquakes near Jefferson County |
| Grays Harbor County, WA | 51 km (32 mi) | S | earthquakes near Grays Harbor County |
| Clallam County, WA | 60 km (37 mi) | N | earthquakes near Clallam County |
| Mason County, WA | 63 km (39 mi) | ESE | earthquakes near Mason County |
| Kitsap County, WA | 97 km (60 mi) | E | earthquakes near Kitsap County |
| Thurston County, WA | 109 km (68 mi) | SE | earthquakes near Thurston County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
56 earthquakes have been recorded within 50 km since this one.
- 1.0 34 km SSW of Port Angeles, Washington
- 1.0 17 km E of Humptulips, Washington
- 1.8 34 km NE of Amanda Park, Washington
- 1.7 35 km NE of Amanda Park, Washington
- 1.6 16 km NNW of Queets, Washington
- 1.7 12 km S of Forks, Washington
- 2.4 40 km NE of Amanda Park, Washington
- 1.5 6 km E of Queets, Washington
- 1.6 11 km E of Forks, Washington
- 2.0 35 km NE of Amanda Park, Washington
- 1.6 20 km N of Queets, Washington
- 1.7 12 km NNW of Humptulips, Washington
- 2.2 12 km ENE of Humptulips, Washington
- 1.6 5 km WNW of Humptulips, Washington
- 1.5 2 km ESE of Humptulips, Washington
Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.
On USGS
- The official USGS event page — the source of record for every value above
- Did you feel it? Report it to USGS — reports go to USGS, not to us
- ShakeMap for this event, when USGS has produced one
QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.