M2.1 earthquake 10 km S of Volcano, Hawaii

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Mon, Mar 9, 1987, 10:10 AM HST

UTC

1987-03-09 20:10:26 UTC

Depth

1.2 km (0.8 mi), shallow

Epicenter

19.349° N, 155.252° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.01

Depth from

From location

Station coverage gap

223°, poorly surrounded by stations

Stations used

10

• Volcano, HawaiiPopulation 2,575. Forecast11 kmS
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast40 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast348 kmSE

After

1. 2.25 km WSW of Volcano, HawaiiMon, Mar 9, 11:22 AM HST · 14451 days ago · 25 km deep · 9 km away
2. 2.01 km SW of Hilo, HawaiiMon, Mar 9, 12:29 PM HST · 14451 days ago · 6 km deep · 44 km away
3. 2.29 km WSW of Volcano, HawaiiMon, Mar 9, 12:54 PM HST · 14451 days ago · 12 km deep · 9 km away
4. 1.923 km N of P?hala, HawaiiTue, Mar 10, 5:44 AM HST · 14450 days ago · 7 km deep · 27 km away
5. 2.321 km E of P?hala, HawaiiTue, Mar 10, 2:14 PM HST · 14450 days ago · 50 km deep · 18 km away
6. 2.09 km SW of Volcano, HawaiiTue, Mar 10, 3:32 PM HST · 14450 days ago · 11 km deep · 7 km away
7. 2.116 km S of Volcano, HawaiiTue, Mar 10, 4:54 PM HST · 14450 days ago · 6 km deep · 7 km away
8. 2.015 km S of Fern Forest, HawaiiTue, Mar 10, 6:51 PM HST · 14450 days ago · 6 km deep · 14 km away
9. 4.03 km ENE of P?hala, HawaiiWed, Mar 11, 1:59 AM HST · 14449 days ago · 9 km deep · 25 km away
10. 1.717 km S of Volcano, HawaiiWed, Mar 11, 9:22 PM HST · 14449 days ago · 6 km deep · 8 km away
11. 2.713 km SSE of Fern Forest, HawaiiWed, Mar 11, 10:00 PM HST · 14449 days ago · 9 km deep · 19 km away
12. 1.811 km S of Volcano, HawaiiThu, Mar 12, 1:00 PM HST · 14448 days ago · 6 km deep · 4 km away
13. 2.227 km SSW of Leilani Estates, HawaiiThu, Mar 12, 1:47 PM HST · 14448 days ago · 5 km deep · 32 km away
14. 2.411 km SW of Leilani Estates, HawaiiThu, Mar 12, 2:45 PM HST · 14448 days ago · 7 km deep · 28 km away
15. 2.1Island of Hawaii, HawaiiThu, Mar 12, 6:41 PM HST · 14448 days ago · 8 km deep · 24 km away
16. 1.823 km WNW of Volcano, HawaiiFri, Mar 13, 11:01 AM HST · 14447 days ago · 3 km deep · 27 km away
17. 2.114 km SE of Fern Forest, HawaiiFri, Mar 13, 1:05 PM HST · 14447 days ago · 7 km deep · 21 km away
18. 2.7Island of Hawaii, HawaiiFri, Mar 13, 4:38 PM HST · 14447 days ago · 9 km deep · 6 km away
19. 1.95 km NNW of P?hala, HawaiiSat, Mar 14, 5:36 AM HST · 14446 days ago · 8 km deep · 29 km away
20. 2.010 km WSW of Volcano, HawaiiSat, Mar 14, 9:04 AM HST · 14446 days ago · 5 km deep · 10 km away
21. 1.74 km SSW of Volcano, HawaiiSat, Mar 14, 1:55 PM HST · 14446 days ago · 3 km deep · 6 km away
22. 2.310 km WSW of Volcano, HawaiiSat, Mar 14, 5:32 PM HST · 14446 days ago · 5 km deep · 11 km away
23. 1.99 km WSW of Volcano, HawaiiSat, Mar 14, 8:42 PM HST · 14446 days ago · 5 km deep · 10 km away
24. 1.923 km WNW of Volcano, HawaiiMon, Mar 16, 10:46 AM HST · 14444 days ago · 2 km deep · 27 km away
25. 1.815 km SSE of Volcano, HawaiiMon, Mar 16, 4:46 PM HST · 14444 days ago · 6 km deep · 10 km away
26. 1.9Island of Hawaii, HawaiiTue, Mar 17, 3:02 AM HST · 14443 days ago · 6 km deep · 8 km away
27. 2.22 km SE of P?hala, HawaiiTue, Mar 17, 3:08 AM HST · 14443 days ago · 7 km deep · 28 km away
28. 3.62 km ESE of P?hala, HawaiiTue, Mar 17, 3:12 AM HST · 14443 days ago · 8 km deep · 27 km away
29. 2.82 km ESE of P?hala, HawaiiTue, Mar 17, 6:06 AM HST · 14443 days ago · 6 km deep · 28 km away
30. 1.915 km SSE of Eden Roc, HawaiiTue, Mar 17, 7:01 AM HST · 14443 days ago · 6 km deep · 24 km away
31. 1.817 km NE of P?hala, HawaiiTue, Mar 17, 2:20 PM HST · 14443 days ago · 9 km deep · 14 km away
32. 2.36 km NNW of Volcano, HawaiiWed, Mar 18, 4:52 PM HST · 14442 days ago · 22 km deep · 17 km away
33. 1.617 km SE of Fern Forest, HawaiiWed, Mar 18, 6:50 PM HST · 14442 days ago · 6 km deep · 23 km away
34. 1.712 km SSE of Volcano, HawaiiWed, Mar 18, 8:53 PM HST · 14442 days ago · 7 km deep · 5 km away
35. 1.814 km SW of Leilani Estates, HawaiiThu, Mar 19, 9:21 AM HST · 14441 days ago · 7 km deep · 25 km away
36. 1.916 km SE of Fern Forest, HawaiiThu, Mar 19, 2:42 PM HST · 14441 days ago · 15 km deep · 23 km away
37. 1.817 km N of P?hala, HawaiiThu, Mar 19, 3:39 PM HST · 14441 days ago · 3 km deep · 23 km away
38. 2.018 km WNW of Volcano, HawaiiFri, Mar 20, 3:23 AM HST · 14440 days ago · 8 km deep · 22 km away
39. 1.74 km SW of Volcano, HawaiiFri, Mar 20, 6:07 AM HST · 14440 days ago · 9 km deep · 7 km away
40. 2.325 km N of P?hala, HawaiiSat, Mar 21, 4:21 AM HST · 14439 days ago · 6 km deep · 26 km away
41. 1.910 km NW of P?hala, HawaiiSat, Mar 21, 9:45 AM HST · 14439 days ago · 4 km deep · 32 km away
42. 2.717 km E of P?hala, HawaiiSat, Mar 21, 7:29 PM HST · 14439 days ago · 34 km deep · 18 km away
43. 2.120 km W of Volcano, HawaiiSat, Mar 21, 11:22 PM HST · 14438 days ago · 5 km deep · 22 km away
44. 2.014 km SW of Volcano, HawaiiSun, Mar 22, 4:30 AM HST · 14438 days ago · 10 km deep · 10 km away
45. 2.36 km SSW of Volcano, HawaiiSun, Mar 22, 6:18 AM HST · 14438 days ago · 2 km deep · 6 km away
46. 2.523 km S of Fern Forest, HawaiiSun, Mar 22, 6:43 AM HST · 14438 days ago · 23 km deep · 18 km away
47. 1.515 km S of Fern Forest, HawaiiSun, Mar 22, 11:42 AM HST · 14438 days ago · 6 km deep · 12 km away
48. 1.613 km SSE of Fern Forest, HawaiiSun, Mar 22, 3:36 PM HST · 14438 days ago · 7 km deep · 20 km away
49. 2.225 km SE of Waikoloa, HawaiiMon, Mar 23, 3:41 AM HST · 14437 days ago · 12 km deep · 61 km away
50. 2.610 km S of Volcano, HawaiiMon, Mar 23, 8:03 AM HST · 14437 days ago · 7 km deep · 4 km away
51. 2.412 km SE of Waimea, HawaiiMon, Mar 23, 10:32 AM HST · 14437 days ago · 5 km deep · 75 km away
52. 2.49 km ESE of Waimea, HawaiiMon, Mar 23, 1:34 PM HST · 14437 days ago · 11 km deep · 79 km away
53. 2.319 km W of Volcano, HawaiiMon, Mar 23, 3:16 PM HST · 14437 days ago · 1 km deep · 22 km away
54. 2.33 km ENE of Kealakekua, HawaiiMon, Mar 23, 6:10 PM HST · 14437 days ago · 4 km deep · 70 km away
55. 2.320 km W of Volcano, HawaiiMon, Mar 23, 11:54 PM HST · 14436 days ago · 9 km deep · 23 km away
56. 2.94 km WSW of Waimea, HawaiiTue, Mar 24, 8:25 PM HST · 14436 days ago · 6 km deep · 87 km away
57. 2.413 km SSE of Volcano, HITue, Mar 24, 10:31 PM HST · 14435 days ago · 7 km deep · 7 km away
58. 1.62 km ESE of P?hala, HawaiiTue, Mar 24, 10:50 PM HST · 14435 days ago · 5 km deep · 27 km away
59. 2.613 km N of Wai‘?hinu, HawaiiThu, Mar 26, 6:08 AM HST · 14434 days ago · 8 km deep · 44 km away
60. 2.116 km SW of Leilani Estates, HawaiiThu, Mar 26, 8:08 AM HST · 14434 days ago · 8 km deep · 24 km away

The first 60 of 196.

Before

1. 2.219 km S of Volcano, HawaiiMon, Mar 9, 9:56 AM HST · 14451 days ago · 9 km deep · 9 km away
2. 1.66 km S of Volcano, HawaiiMon, Mar 9, 8:20 AM HST · 14451 days ago · 1 km deep · 4 km away
3. 1.922 km SSE of Leilani Estates, HawaiiMon, Mar 9, 5:41 AM HST · 14451 days ago · 11 km deep · 48 km away
4. 2.017 km SSE of Waimea, HawaiiMon, Mar 9, 4:47 AM HST · 14451 days ago · 9 km deep · 70 km away
5. 1.9Island of Hawaii, HawaiiMon, Mar 9, 3:42 AM HST · 14451 days ago · 7 km deep · 23 km away
6. 1.76 km SSW of Volcano, HawaiiMon, Mar 9, 3:35 AM HST · 14451 days ago · 0 km deep · 5 km away
7. 1.515 km N of P?hala, HawaiiSun, Mar 8, 11:28 PM HST · 14451 days ago · 4 km deep · 24 km away
8. 2.014 km SSW of Volcano, HawaiiSun, Mar 8, 12:26 PM HST · 14452 days ago · 2 km deep · 6 km away
9. 2.08 km SSE of Fern Forest, HawaiiSun, Mar 8, 7:06 AM HST · 14452 days ago · 1 km deep · 16 km away
10. 1.9Island of Hawaii, HawaiiSun, Mar 8, 5:12 AM HST · 14452 days ago · 25 km deep · 62 km away
11. 2.815 km SSW of Waikoloa, HawaiiSun, Mar 8, 5:11 AM HST · 14452 days ago · 13 km deep · 79 km away
12. 2.615 km S of Volcano, HawaiiSat, Mar 7, 4:14 PM HST · 14453 days ago · 8 km deep · 6 km away
13. 2.012 km SSE of Fern Forest, HawaiiSat, Mar 7, 3:53 PM HST · 14453 days ago · 7 km deep · 18 km away
14. 1.913 km S of Volcano, HawaiiSat, Mar 7, 11:13 AM HST · 14453 days ago · 6 km deep · 4 km away
15. 1.915 km SW of Leilani Estates, HawaiiFri, Mar 6, 12:02 PM HST · 14454 days ago · 7 km deep · 24 km away
16. 2.115 km S of Volcano, HawaiiFri, Mar 6, 1:36 AM HST · 14454 days ago · 6 km deep · 6 km away
17. 2.120 km N of P?hala, HawaiiThu, Mar 5, 7:22 AM HST · 14455 days ago · 4 km deep · 21 km away
18. 2.07 km ESE of Pa‘auilo, HawaiiWed, Mar 4, 11:11 PM HST · 14455 days ago · 7 km deep · 75 km away
19. 2.69 km SSE of Pa‘auilo, HawaiiWed, Mar 4, 1:08 AM HST · 14456 days ago · 10 km deep · 69 km away
20. 1.95 km SSW of Volcano, HawaiiTue, Mar 3, 8:46 PM HST · 14457 days ago · 2 km deep · 5 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv234785. Read Thu, Oct 1, 2026, 7:31 PM UTC.