M2.3 earthquake 33 km NE of Amboy, Washington

Magnitude

2.3 (md), micro

Local time

Mon, Jul 28, 1980, 1:30 PM PDT

UTC

1980-07-28 20:30:22 UTC

Depth

3.8 km (2.4 mi), shallow

Epicenter

46.107° N, 122.124° W

Region

Washington

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.0 km horizontally, 1.4 km in depth

Magnitude uncertainty

±0.07

Depth from

From location

Station coverage gap

59°

Stations used

14

• Amboy, WashingtonPopulation 1,608. Forecast33 kmNE
• Battle Ground, WashingtonPopulation 19,407. Forecast48 kmNE
• Vancouver, WashingtonPopulation 196,442. Forecast67 kmNE
• Calgary, CanadaPopulation 1,306,784. Forecast807 kmSW

After

1. 2.133 km NE of Amboy, WashingtonMon, Jul 28, 1:30 PM PDT · 16862 days ago · 5 km deep · 2 km away
2. 2.232 km NE of Amboy, WashingtonTue, Jul 29, 3:58 AM PDT · 16861 days ago · 5 km deep · 1 km away
3. 2.233 km NE of Amboy, WashingtonTue, Jul 29, 11:06 AM PDT · 16861 days ago · 6 km deep · 1 km away
4. 2.21 km NW of Columbia City, OregonTue, Jul 29, 1:41 PM PDT · 16861 days ago · 20 km deep · 58 km away
5. 2.333 km NE of Amboy, WashingtonThu, Jul 31, 5:29 AM PDT · 16859 days ago · 5 km deep · 0 km away
6. 1.732 km NE of Amboy, WashingtonMon, Aug 4, 12:45 PM PDT · 16855 days ago · 6 km deep · 1 km away
7. 2.532 km NE of Amboy, WashingtonMon, Aug 4, 5:36 PM PDT · 16855 days ago · 4 km deep · 1 km away
8. 1.732 km NE of Amboy, WashingtonTue, Aug 5, 4:49 AM PDT · 16854 days ago · 5 km deep · 1 km away
9. 2.332 km NE of Amboy, WashingtonTue, Aug 5, 5:17 AM PDT · 16854 days ago · 7 km deep · 1 km away
10. 2.433 km NE of Amboy, WashingtonThu, Aug 7, 12:38 PM PDT · 16852 days ago · 6 km deep · 2 km away
11. 2.133 km NE of Amboy, WashingtonThu, Aug 7, 2:52 PM PDT · 16852 days ago · 5 km deep · 0 km away
12. 2.035 km NE of Amboy, WashingtonFri, Aug 8, 2:04 PM PDT · 16851 days ago · 11 km deep · 2 km away
13. 1.624 km ENE of Ashford, WashingtonSat, Aug 9, 6:24 AM PDT · 16850 days ago · 4 km deep · 89 km away
14. 1.97 km SW of Felida, WashingtonMon, Aug 11, 9:59 AM PDT · 16848 days ago · 22 km deep · 71 km away
15. 1.725 km ENE of Ashford, WashingtonMon, Aug 11, 11:55 AM PDT · 16848 days ago · 8 km deep · 89 km away
16. 2.17 km WSW of Lake Shore, WashingtonMon, Aug 11, 12:06 PM PDT · 16848 days ago · 24 km deep · 71 km away
17. 1.938 km NE of Amboy, WashingtonThu, Aug 14, 5:29 PM PDT · 16845 days ago · 8 km deep · 7 km away
18. 2.27 km WSW of Lake Shore, WashingtonThu, Aug 14, 10:11 PM PDT · 16845 days ago · 23 km deep · 70 km away
19. 2.334 km WSW of Tampico, WashingtonThu, Aug 21, 8:13 PM PDT · 16838 days ago · 6 km deep · 74 km away
20. 2.17 km NNE of Morton, WashingtonFri, Aug 22, 5:28 PM PDT · 16837 days ago · 0 km deep · 58 km away
21. 1.710 km SW of Mineral, WashingtonSun, Aug 24, 11:02 AM PDT · 16835 days ago · 15 km deep · 63 km away
22. 1.733 km NE of Amboy, WashingtonWed, Aug 27, 12:21 AM PDT · 16833 days ago · 6 km deep · 1 km away
23. 1.611 km WNW of Warren, OregonMon, Sep 1, 4:02 PM PDT · 16827 days ago · 26 km deep · 72 km away
24. 2.728 km S of Morton, WashingtonThu, Sep 4, 8:46 PM PDT · 16824 days ago · 2 km deep · 23 km away
25. 1.728 km S of Morton, WashingtonThu, Sep 4, 8:55 PM PDT · 16824 days ago · 2 km deep · 23 km away
26. 2.32 km NW of Wapanitia, OregonWed, Sep 17, 4:46 PM PDT · 16811 days ago · 5 km deep · 98 km away

Before

1. 2.132 km NE of Amboy, WashingtonSun, Jul 27, 7:45 PM PDT · 16863 days ago · 5 km deep · 1 km away
2. 1.525 km ENE of Ashford, WashingtonSat, Jul 26, 10:35 PM PDT · 16864 days ago · 2 km deep · 89 km away
3. 2.218 km SSW of Mossyrock, WashingtonSat, Jul 26, 8:11 AM PDT · 16864 days ago · 5 km deep · 44 km away
4. 1.712 km SSE of Morton, WashingtonFri, Jul 25, 8:47 AM PDT · 16865 days ago · 2 km deep · 39 km away
5. 2.527 km S of Morton, WashingtonThu, Jul 24, 10:42 PM PDT · 16866 days ago · 2 km deep · 24 km away
6. 1.732 km NE of Amboy, WashingtonWed, Jul 23, 4:53 AM PDT · 16867 days ago · 6 km deep · 2 km away
7. 2.732 km NE of Amboy, WashingtonWed, Jul 23, 3:38 AM PDT · 16867 days ago · 5 km deep · 2 km away
8. 1.712 km SSE of Morton, WashingtonTue, Jul 22, 10:53 PM PDT · 16868 days ago · 2 km deep · 39 km away
9. 2.139 km NNE of Amboy, WashingtonTue, Jul 22, 6:17 PM PDT · 16868 days ago · -1 km deep · 12 km away
10. 1.537 km NNE of Amboy, WashingtonTue, Jul 22, 5:03 PM PDT · 16868 days ago · 1 km deep · 12 km away
11. 2.137 km S of Morton, WashingtonTue, Jul 22, 4:59 PM PDT · 16868 days ago · -1 km deep · 14 km away
12. 2.338 km NNE of Amboy, WashingtonTue, Jul 22, 4:56 PM PDT · 16868 days ago · 0 km deep · 13 km away
13. 2.139 km S of Morton, WashingtonTue, Jul 22, 4:53 PM PDT · 16868 days ago · 0 km deep · 13 km away
14. 2.138 km S of Morton, WashingtonTue, Jul 22, 4:48 PM PDT · 16868 days ago · 0 km deep · 13 km away
15. 2.338 km NNE of Amboy, WashingtonTue, Jul 22, 4:43 PM PDT · 16868 days ago · 1 km deep · 12 km away
16. 2.138 km NNE of Amboy, WashingtonTue, Jul 22, 4:40 PM PDT · 16868 days ago · -1 km deep · 12 km away
17. 1.737 km NNE of Amboy, WashingtonTue, Jul 22, 4:21 PM PDT · 16868 days ago · 0 km deep · 12 km away
18. 2.138 km NNE of Amboy, WashingtonTue, Jul 22, 4:20 PM PDT · 16868 days ago · -1 km deep · 13 km away
19. 2.138 km NNE of Amboy, WashingtonTue, Jul 22, 4:09 PM PDT · 16868 days ago · 0 km deep · 12 km away
20. 2.138 km NNE of Amboy, WashingtonTue, Jul 22, 4:01 PM PDT · 16868 days ago · 0 km deep · 12 km away

From the USGS Earthquake Hazards Program and its partner networks, event uw10085973. Read Sun, Sep 27, 2026, 10:02 PM UTC.