M2.2 earthquake 20 km W of Volcano, Hawaii

Magnitude

2.2 (ml), micro

Local time

Sat, Sep 16, 1978, 3:29 PM HST

UTC

1978-09-17 01:29:58 UTC

Depth

6.4 km (4.0 mi), shallow

Epicenter

19.412° N, 155.427° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.06

Depth from

From location

Station coverage gap

39°

Stations used

35

• Volcano, HawaiiPopulation 2,575. Forecast20 kmW
• Hilo, HawaiiPopulation 43,263. Forecast50 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast330 kmSE

After

1. 2.913 km SSE of Volcano, HawaiiSat, Sep 16, 5:47 PM HST · 17544 days ago · 8 km deep · 26 km away
2. 2.516 km SSE of Volcano, HawaiiSat, Sep 16, 9:02 PM HST · 17544 days ago · 8 km deep · 30 km away
3. 2.713 km SE of Fern Forest, HawaiiSat, Sep 16, 9:41 PM HST · 17544 days ago · 6 km deep · 39 km away
4. 2.013 km SSE of Volcano, HawaiiSun, Sep 17, 12:55 AM HST · 17544 days ago · 6 km deep · 28 km away
5. 2.87 km SW of Volcano, HawaiiSun, Sep 17, 3:07 AM HST · 17544 days ago · 2 km deep · 16 km away
6. 2.615 km SW of Leilani Estates, HawaiiSun, Sep 17, 3:51 AM HST · 17544 days ago · 9 km deep · 45 km away
7. 2.17 km SW of Volcano, HawaiiSun, Sep 17, 9:06 AM HST · 17543 days ago · 2 km deep · 16 km away
8. 2.012 km S of Fern Forest, HawaiiSun, Sep 17, 9:21 AM HST · 17543 days ago · 4 km deep · 33 km away
9. 2.014 km SSE of Volcano, HawaiiSun, Sep 17, 4:56 PM HST · 17543 days ago · 5 km deep · 28 km away
10. 2.116 km SE of Fern Forest, HawaiiMon, Sep 18, 5:00 AM HST · 17542 days ago · 5 km deep · 41 km away
11. 2.211 km S of Volcano, HawaiiMon, Sep 18, 8:32 AM HST · 17542 days ago · 7 km deep · 23 km away
12. 1.712 km S of Volcano, HawaiiMon, Sep 18, 10:49 AM HST · 17542 days ago · 5 km deep · 24 km away
13. 1.98 km SW of Volcano, HawaiiMon, Sep 18, 11:21 AM HST · 17542 days ago · 2 km deep · 16 km away
14. 2.116 km SE of Fern Forest, HawaiiMon, Sep 18, 5:30 PM HST · 17542 days ago · 5 km deep · 41 km away
15. 2.518 km WSW of Volcano, HawaiiMon, Sep 18, 5:33 PM HST · 17542 days ago · 10 km deep · 2 km away
16. 2.814 km SSE of Fern Forest, HawaiiMon, Sep 18, 10:04 PM HST · 17542 days ago · 8 km deep · 35 km away
17. 2.012 km NE of P?hala, HawaiiMon, Sep 18, 11:03 PM HST · 17542 days ago · 4 km deep · 15 km away
18. 3.57 km SW of Volcano, HawaiiMon, Sep 18, 11:44 PM HST · 17542 days ago · 3 km deep · 16 km away
19. 1.87 km SW of Volcano, HawaiiMon, Sep 18, 11:46 PM HST · 17542 days ago · 2 km deep · 16 km away
20. 2.413 km SSE of Fern Forest, HawaiiTue, Sep 19, 12:24 AM HST · 17542 days ago · 8 km deep · 36 km away
21. 2.48 km SW of Volcano, HawaiiTue, Sep 19, 1:03 AM HST · 17542 days ago · 2 km deep · 16 km away
22. 2.213 km NNE of P?hala, HawaiiTue, Sep 19, 3:04 AM HST · 17542 days ago · 7 km deep · 10 km away
23. 1.88 km SW of Volcano, HawaiiTue, Sep 19, 3:19 AM HST · 17542 days ago · 1 km deep · 16 km away
24. 3.08 km WSW of Wai‘?hinu, HawaiiTue, Sep 19, 8:43 AM HST · 17541 days ago · 42 km deep · 50 km away
25. 2.416 km SSE of Volcano, HawaiiTue, Sep 19, 10:48 AM HST · 17541 days ago · 8 km deep · 28 km away
26. 2.19 km SSE of Volcano, HawaiiTue, Sep 19, 12:42 PM HST · 17541 days ago · 1 km deep · 24 km away
27. 3.417 km W of Volcano, HawaiiTue, Sep 19, 3:41 PM HST · 17541 days ago · 9 km deep · 4 km away
28. 1.918 km W of Volcano, HawaiiTue, Sep 19, 6:01 PM HST · 17541 days ago · 4 km deep · 2 km away
29. 2.313 km SSE of Volcano, HawaiiWed, Sep 20, 12:56 AM HST · 17541 days ago · 8 km deep · 26 km away
30. 2.46 km SSW of P?hala, HawaiiWed, Sep 20, 1:01 AM HST · 17541 days ago · 39 km deep · 31 km away
31. 2.47 km SSW of P?hala, HawaiiWed, Sep 20, 1:06 AM HST · 17541 days ago · 41 km deep · 31 km away
32. 1.817 km N of P?hala, HawaiiWed, Sep 20, 4:10 AM HST · 17540 days ago · 6 km deep · 7 km away
33. 3.115 km SSE of Volcano, HawaiiWed, Sep 20, 10:28 AM HST · 17540 days ago · 8 km deep · 27 km away
34. 2.116 km SW of Leilani Estates, HawaiiWed, Sep 20, 11:36 AM HST · 17540 days ago · 6 km deep · 43 km away
35. 2.312 km SE of Fern Forest, HawaiiWed, Sep 20, 12:17 PM HST · 17540 days ago · 11 km deep · 39 km away
36. 3.25 km ENE of Captain Cook, HawaiiWed, Sep 20, 1:20 PM HST · 17540 days ago · 8 km deep · 48 km away
37. 2.67 km SW of Volcano, HawaiiWed, Sep 20, 3:12 PM HST · 17540 days ago · 13 km deep · 16 km away
38. 2.19 km S of Volcano, HawaiiThu, Sep 21, 12:05 AM HST · 17540 days ago · 7 km deep · 20 km away
39. 3.11 km NNW of Honomu, HawaiiThu, Sep 21, 2:15 AM HST · 17540 days ago · 41 km deep · 62 km away
40. 2.710 km E of Honaunau-Napoopoo, HawaiiThu, Sep 21, 10:43 AM HST · 17539 days ago · 4 km deep · 35 km away
41. 2.518 km SSW of Volcano, HawaiiThu, Sep 21, 2:28 PM HST · 17539 days ago · 8 km deep · 22 km away
42. 2.015 km NE of P?hala, HawaiiThu, Sep 21, 4:15 PM HST · 17539 days ago · 5 km deep · 14 km away
43. 2.814 km SSE of Volcano, HawaiiThu, Sep 21, 8:27 PM HST · 17539 days ago · 9 km deep · 27 km away
44. 3.415 km SSE of Volcano, HawaiiFri, Sep 22, 1:27 AM HST · 17539 days ago · 9 km deep · 28 km away
45. 2.513 km SSE of Volcano, HawaiiFri, Sep 22, 1:53 AM HST · 17539 days ago · 7 km deep · 27 km away
46. 2.115 km SSE of Volcano, HawaiiFri, Sep 22, 12:00 PM HST · 17538 days ago · 5 km deep · 29 km away
47. 2.213 km SSE of Volcano, HawaiiFri, Sep 22, 2:56 PM HST · 17538 days ago · 6 km deep · 27 km away
48. 2.014 km SSE of Volcano, HawaiiFri, Sep 22, 7:04 PM HST · 17538 days ago · 7 km deep · 28 km away
49. 2.412 km SE of Fern Forest, HawaiiFri, Sep 22, 7:55 PM HST · 17538 days ago · 7 km deep · 40 km away
50. 3.023 km W of Volcano, HawaiiFri, Sep 22, 8:05 PM HST · 17538 days ago · 9 km deep · 4 km away
51. 2.317 km W of Volcano, HawaiiFri, Sep 22, 11:40 PM HST · 17538 days ago · 6 km deep · 3 km away
52. 2.214 km S of Fern Forest, HawaiiSat, Sep 23, 12:07 AM HST · 17538 days ago · 8 km deep · 31 km away
53. 2.15 km SSW of Volcano, HawaiiSat, Sep 23, 2:03 AM HST · 17538 days ago · 2 km deep · 18 km away
54. 2.318 km NNE of P?hala, HawaiiSat, Sep 23, 7:05 AM HST · 17537 days ago · 8 km deep · 6 km away
55. 2.417 km W of Volcano, HawaiiSat, Sep 23, 7:14 AM HST · 17537 days ago · 6 km deep · 4 km away
56. 1.86 km SSW of Volcano, HawaiiSat, Sep 23, 9:21 AM HST · 17537 days ago · 1 km deep · 17 km away
57. 2.46 km SSW of Volcano, HawaiiSat, Sep 23, 12:57 PM HST · 17537 days ago · 2 km deep · 17 km away
58. 2.112 km S of Fern Forest, HawaiiSat, Sep 23, 2:04 PM HST · 17537 days ago · 7 km deep · 33 km away
59. 1.911 km S of Volcano, HawaiiSat, Sep 23, 4:36 PM HST · 17537 days ago · 6 km deep · 24 km away
60. 2.314 km SSE of Volcano, HawaiiSat, Sep 23, 9:59 PM HST · 17537 days ago · 7 km deep · 27 km away

The first 60 of 200.

Before

1. 3.15 km SSW of Volcano, HawaiiSat, Sep 16, 6:30 AM HST · 17544 days ago · 3 km deep · 18 km away
2. 2.113 km SSE of Fern Forest, HawaiiSat, Sep 16, 2:01 AM HST · 17545 days ago · 6 km deep · 35 km away
3. 2.413 km NE of P?hala, HawaiiFri, Sep 15, 11:30 PM HST · 17545 days ago · 7 km deep · 16 km away
4. 1.912 km SSE of Volcano, HawaiiFri, Sep 15, 12:38 PM HST · 17545 days ago · 6 km deep · 25 km away
5. 2.55 km SW of Volcano, HawaiiFri, Sep 15, 11:37 AM HST · 17545 days ago · 2 km deep · 17 km away
6. 3.34 km WSW of Volcano, HawaiiFri, Sep 15, 7:23 AM HST · 17545 days ago · 1 km deep · 16 km away
7. 3.34 km WSW of Volcano, HawaiiFri, Sep 15, 5:15 AM HST · 17545 days ago · 1 km deep · 16 km away
8. 2.64 km WSW of Volcano, HawaiiFri, Sep 15, 5:14 AM HST · 17545 days ago · 1 km deep · 16 km away
9. 2.213 km SSE of Volcano, HawaiiFri, Sep 15, 3:32 AM HST · 17546 days ago · 6 km deep · 27 km away
10. 2.814 km SSE of Fern Forest, HawaiiFri, Sep 15, 1:14 AM HST · 17546 days ago · 8 km deep · 34 km away
11. 2.614 km SSE of Fern Forest, HawaiiFri, Sep 15, 12:06 AM HST · 17546 days ago · 8 km deep · 35 km away
12. 2.38 km SW of Volcano, HawaiiThu, Sep 14, 11:56 AM HST · 17546 days ago · 2 km deep · 16 km away
13. 2.08 km SSW of Volcano, HawaiiThu, Sep 14, 11:47 AM HST · 17546 days ago · 2 km deep · 16 km away
14. 2.015 km SE of Fern Forest, HawaiiThu, Sep 14, 8:33 AM HST · 17546 days ago · 6 km deep · 42 km away
15. 2.316 km SW of Leilani Estates, HawaiiThu, Sep 14, 3:22 AM HST · 17547 days ago · 5 km deep · 43 km away
16. 2.114 km SSE of Eden Roc, HawaiiThu, Sep 14, 2:53 AM HST · 17547 days ago · 6 km deep · 41 km away
17. 2.515 km W of Volcano, HawaiiThu, Sep 14, 2:08 AM HST · 17547 days ago · 9 km deep · 5 km away
18. 2.212 km SSE of Volcano, HawaiiWed, Sep 13, 11:28 PM HST · 17547 days ago · 7 km deep · 25 km away
19. 3.023 km N of P?hala, HawaiiWed, Sep 13, 10:38 PM HST · 17547 days ago · 7 km deep · 7 km away
20. 2.323 km N of P?hala, HawaiiWed, Sep 13, 10:33 PM HST · 17547 days ago · 4 km deep · 7 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19781549. Read Tue, Sep 29, 2026, 1:31 AM UTC.