Earthquake · Reviewed by USGS
M1.6 earthquake 12 km WSW of Alder, Washington
A magnitude 1.6 earthquake struck 12 km WSW of Alder, Washington at Oct 18, 2026, 16:34 UTC, at a depth of 25 km. The epicentre was 36 km (22 mi) SSW of Graham.
Details
| Magnitude | 1.6 ml |
|---|---|
| Time | Oct 18, 2026, 16:34 UTC |
| Depth | 25.1 km |
| Coordinates | 46.745, -122.431 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 1.3 | 22 km ENE of Ashford, Washington | 52 km / 32 mi | depth 0 km | |
| 1.0 | 22 km ENE of Ashford, Washington | 52 km / 32 mi | depth 0 km | |
| 1.4 | 38 km NNE of Amboy, Washington | 62 km / 39 mi | depth 7 km | |
| 1.3 | 38 km NNE of Amboy, Washington | 62 km / 39 mi | depth 7 km | |
| 1.3 | 38 km NNE of Amboy, Washington | 63 km / 39 mi | depth 6 km | |
| 1.2 | 38 km NNE of Amboy, Washington | 63 km / 39 mi | depth 3 km | |
| 1.6 | 16 km NNE of Ashford, Washington | 42 km / 26 mi | depth 10 km | |
| 1.7 | 24 km S of Morton, Washington | 47 km / 29 mi | depth 11 km | |
| 1.4 | 1 km SE of Kapowsin, Washington | 31 km / 19 mi | depth 0 km | |
| 1.3 | 2 km ENE of Southworth, Washington | 87 km / 54 mi | depth 28 km | |
| 1.6 | 8 km NE of Ashford, Washington | 38 km / 23 mi | depth 7 km | |
| 1.1 | 12 km NE of Ashford, Washington | 40 km / 25 mi | depth 4 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.