Earthquake near Wauna, WA

A magnitude 1.9 earthquake was recorded 6 km (4 mi) WNW of Wauna, WA, at 8:16 pm PDT on 29 September 2026 (03:16 UTC). 3 people have reported feeling it to USGS. This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

Earthquakes near other towns within 30 km: Burley, Purdy, Key Center, Allyn, Belfair, Rosedale.

How big was it?

This earthquake released about 23 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.

1. Mineral, Virginia 2011 M 5.8 660,000× the energy of this one
2. Magna, Utah 2020 M 5.7 470,000× the energy of this one
3. Around the size people start to feel M 3.0 42× the energy of this one
4. This earthquake M 1.9 about 23 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 4.2 on 2026-09-29 — about 2,200 times the energy of this one.

Before 2016, the USGS record lists 7 earthquakes of M5 or more within 50 km; the five largest:

1. 6.8 The 2001 Nisqually, Washington Earthquake · 29 km S of this epicentre Feb 28, 2001
2. 6.7 4 km WNW of Roy, Washington · 45 km SSE of this epicentre Apr 13, 1949
3. 6.7 1 km ENE of Dash Point, Washington · 25 km ESE of this epicentre Apr 29, 1965
4. 6.1 Puget Sound region, Washington · 3 km WSW of this epicentre Nov 13, 1939
5. 5.8 Puget Sound area, Washington · 20 km SW of this epicentre Feb 15, 1946

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 47.4073, -122.7165. Map © OpenStreetMap contributors.

Nearby places

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

4 earthquakes have been recorded within 50 km since this one.

1. 1.0 3 km E of Bethel, Washington 04:28 UTC
2. 1.3 4 km WNW of Wauna, Washington 14:18 UTC
3. 1.1 11 km S of Shelton, Washington 18:29 UTC
4. 1.6 5 km W of Burley, Washington 14:30 UTC

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of 01:04 UTC. QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

Revisions

USGS refines a solution as more stations report. Every change we have seen is listed here.

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.