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SeismoAtlas

M2.4 earthquake 42 km ESE of Hōlualoa, Hawaii, United States

A magnitude 2.4 earthquake struck 42 km ESE of Hōlualoa, Hawaii, United States at 08:33 local time (18:33 UTC) on 7 Oct 2026, at a depth of 42 km, according to USGS.

Data: USGS · updated 2026-10-07 19:45 UTC · reviewed

Magnitude
2.4micro
local magnitude (Richter) (ml)
Depth
42.1 km
Status
Reviewed
Origin time
2026-10-07 18:33:57 UTC
Local: 7 Oct 2026, 08:33:57 (Pacific/Honolulu)
Epicentre
19.412° N, 155.616° W

Circles show this event and others within 30 km from 7 days before to 30 days after. Lines: plate boundaries and GEM active faults. Open on the live map

Nearby places

Distance and estimated shaking at nearby places
PlaceDistanceEst. shaking
HōlualoaHawaii, United States · pop. 8,53842 kmINot felt
Kailua-KonaHawaii, United States · pop. 11,97548 kmINot felt
HiloHawaii, United States · pop. 43,26365 kmINot felt
HonoluluHawaii, United States · pop. 350,964315 kmINot felt

Shaking is an estimate from the intensity prediction equation of Allen, Wald & Worden (2012), not an observation. Local ground and buildings can change it by a level or more.

Every agency's solution

Agencies locate earthquakes with their own stations and methods, so their numbers differ. We match reports of the same event by time, distance and magnitude and show them side by side. The headline uses USGS · HV, which has been reviewed by an analyst.

AgencyMagnitudeDepthEpicentreTime offsetStatus
USGS · HVheadlineHawaiian Volcano Observatory via U.S. Geological Survey2.4 ml42.1 km19.41° N, 155.62° W–Reviewed

How big was it?

Usually not felt. Recorded by nearby seismometers; thousands occur worldwide every day.

It released roughly the energy of 56 kg of TNT. Magnitude is logarithmic: each whole step means about 32 times more energy and 10 times larger waves on a seismogram. Depth matters too: at 42 km this was a shallow earthquake, which is felt more strongly at the surface than a deeper one of the same size.

M2.4 releases about 30× the energy of M1.4, and its waves are about 9.5× taller on a seismogram. Energy: 56 kg of TNT vs 2 kg of TNT.

Each square is the energy of one M1.4. Energy from log₁₀E = 1.5M + 4.8.

Aftershocks and nearby activity

151 later earthquakes within 30 km; the largest was M3.3 20 days ago. 33 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M2.4

151 later earthquakes nearby. Aftershock rates typically fall off roughly as 1/time (Omori's law).

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
3.741.732
7.751.82
15.381.742
20.561.82
25.711.928
31.911.927
35.892.410
44.472.55
47.601.88
48.262.644
58.302.6-2
60.931.631
61.931.133
62.392.241
66.411.8-3
67.581.928
72.481.942
88.211.741
90.702.132
112.111.730
118.011.830
118.451.931
121.791.631
122.371.733
124.232.137
130.461.734
138.252.049
139.911.734
140.811.733
144.701.930
148.781.934
150.042.232
150.551.930
152.811.50
161.231.80
167.221.428
167.361.728
173.512.139
180.042.433
185.801.935
193.931.820
201.611.828
203.791.829
204.302.139
205.212.10
209.401.89
214.941.833
219.281.434
220.211.10
221.471.77
222.112.134
223.891.70
228.222.132
231.131.431
231.551.729
231.831.129
232.821.728
234.001.89
235.971.50
237.421.433
244.072.322
244.351.831
250.152.117
253.251.71
254.371.729
262.910.90
263.911.930
265.773.0-1
270.222.339
273.561.929
275.101.830
276.681.99
282.781.833
284.981.731
291.071.38
291.461.931
297.702.1-1
300.611.930
301.701.929
318.212.345
321.761.730
322.811.713
338.371.929
343.232.235
351.011.632
351.602.132
354.001.710
360.971.50
360.972.7-1
369.951.75
377.751.83
380.261.829
381.313.329
385.211.428
387.221.9-1
388.731.830
392.901.86
392.921.97
395.322.3-1
414.801.99
415.632.133
416.471.928
419.491.847
419.732.132
424.022.339
432.221.830
438.721.931
440.531.731
450.982.129
460.271.829
463.871.830
465.211.831
473.422.49
476.942.133
480.272.530
484.732.60
498.281.233
502.941.828
506.501.78
524.862.232
549.571.930
557.571.832
558.902.132
562.401.830
565.492.00
568.521.430
571.761.62
571.801.92
572.051.72
574.401.71
588.101.930
590.202.432
601.970.83
605.331.67
606.431.331
624.172.122
650.271.97
656.141.112
659.542.440
662.571.329
675.433.1-2
675.851.8-2
681.891.933
686.021.77
689.861.76
691.541.830
699.471.732
709.111.830
712.252.473
714.932.441
714.931.923
  1. 3.369 km SE of Hōlualoa, Hawaii, United States10-23 15:52
  2. 3.143 km SE of Hōlualoa, Hawaii, United States11-04 21:59
  3. 3.056 km SSE of Hōlualoa, Hawaii, United States10-18 20:19
  4. 2.742 km ESE of Hōlualoa, Hawaii, United States10-22 19:32
  5. 2.646 km WSW of Hilo, Hawaii, United States10-27 23:17
  6. 2.643 km ESE of Hōlualoa, Hawaii, United States10-09 18:49
  7. 2.633 km SSE of Hōlualoa, Hawaii, United States10-10 04:51
  8. 2.535 km SSE of Hōlualoa, Hawaii, United States10-09 15:02
  9. 2.566 km SE of Hōlualoa, Hawaii, United States10-27 18:50
  10. 2.469 km SE of Hōlualoa, Hawaii, United States10-15 06:36
  11. 2.442 km ESE of Hōlualoa, Hawaii, United States11-04 06:06
  12. 2.468 km SE of Hōlualoa, Hawaii, United States11-01 08:46
  13. 2.429 km SSE of Hōlualoa, Hawaii, United States11-06 10:48
  14. 2.439 km ESE of Hōlualoa, Hawaii, United States10-27 11:58
  15. 2.427 km E of Hōlualoa, Hawaii, United States10-09 06:27
  16. 2.443 km ESE of Hōlualoa, Hawaii, United States11-06 13:29
  17. 2.343 km ESE of Hōlualoa, Hawaii, United States10-19 00:47
  18. 2.342 km ESE of Hōlualoa, Hawaii, United States10-25 10:34
  19. 2.339 km ESE of Hōlualoa, Hawaii, United States10-21 00:46
  20. 2.314 km SE of Hōlualoa, Hawaii, United States10-17 22:38
  21. 2.348 km WSW of Hilo, Hawaii, United States10-24 05:53
  22. 2.268 km SE of Hōlualoa, Hawaii, United States10-29 15:25
  23. 2.238 km ESE of Hōlualoa, Hawaii, United States10-22 01:47
  24. 2.266 km SW of Hawaiian Paradise Park, United States10-14 00:36
  25. 2.242 km ESE of Hōlualoa, Hawaii, United States10-10 08:57

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Event id hv75051802. First recorded here 7 Oct 2026, 19:49:49 UTC. Solutions: USGS · HV (usgs:hv75051802). Cite as: SeismoAtlas, “M2.4 earthquake 42 km ESE of Hōlualoa, Hawaii, United States”, https://seismoatlas.com/earthquake/hv75051802-m2-4-earthquake-42-km-ese-of-holualoa-hawaii-united-states, data from USGS.

JSON: /api/v1/events/hv75051802. SeismoAtlas is not an official warning service.