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SeismoAtlas

M1.9 earthquake 43 km ESE of Hōlualoa, Hawaii, United States

A magnitude 1.9 earthquake struck 43 km ESE of Hōlualoa, Hawaii, United States at 09:02 local time (19:02 UTC) on 10 Oct 2026, at a depth of 42 km, according to USGS.

revised from M2.2

Data: USGS · updated 2026-10-14 20:08 UTC · reviewed

Magnitude
1.9micro
local magnitude (Richter) (ml)
revised from 2.2
Depth
42.2 km
Status
Reviewed
Origin time
2026-10-10 19:02:29 UTC
Local: 10 Oct 2026, 09:02:29 (Pacific/Honolulu)
Epicentre
19.431° N, 155.589° 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. 8,53843 kmINot felt
Kailua-KonaHawaii, United States · pop. 11,97549 kmINot felt
HiloHawaii, United States · pop. 43,26362 kmINot felt
HonoluluHawaii, United States · pop. 350,964316 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 Survey1.9 mlwas 2.242.2 km19.43° N, 155.59° W–Reviewed · 1 revision

How big was it?

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

It released roughly the energy of 12 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.

M1.9 releases about 25× the energy of M1.0, and its waves are about 8.5× taller on a seismogram. Energy: 12 kg of TNT vs 477 g of TNT.

Each square is the energy of one M1.0. Energy from log₁₀E = 1.5M + 4.8.

Aftershocks and nearby activity

134 later earthquakes within 30 km; the largest was M3.1 8 days ago. 35 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M1.9

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
15.741.741
18.222.132
39.641.730
49.321.631
49.891.733
51.762.137
57.981.734
65.782.049
76.301.934
77.562.232
78.081.930
80.331.50
88.751.80
94.751.428
94.881.728
101.032.139
103.151.729
129.131.828
131.311.829
131.822.139
132.732.10
136.921.89
142.461.833
146.811.434
147.731.10
148.991.77
151.421.70
155.752.132
158.661.431
159.071.729
159.361.129
160.351.728
164.951.433
168.351.10
171.871.831
180.771.71
181.891.729
190.430.90
191.441.930
193.293.0-1
197.752.339
201.091.929
202.621.830
204.201.99
210.311.833
212.511.731
218.601.38
218.991.931
225.232.1-1
228.141.930
229.231.929
245.732.345
249.291.730
250.331.713
265.891.929
270.752.235
281.521.710
288.491.50
288.502.7-1
297.481.75
305.271.83
307.781.829
312.741.428
314.741.9-1
316.251.830
320.421.86
320.451.97
322.852.3-1
342.331.99
343.152.133
343.991.928
347.021.847
347.262.132
351.542.339
358.701.228
359.741.830
366.251.931
368.051.731
378.502.129
387.801.829
400.942.49
407.792.530
412.252.60
412.881.230
425.811.233
430.461.828
434.021.78
452.392.232
462.251.930
485.091.832
486.432.132
493.012.00
495.851.829
496.041.430
499.291.62
499.331.92
499.581.72
501.931.71
515.631.930
517.732.432
529.500.83
532.851.67
533.951.331
551.702.122
577.801.97
583.671.112
587.072.440
590.091.329
602.963.1-2
603.381.8-2
613.541.77
617.381.76
619.071.830
627.001.732
636.631.830
639.782.473
642.452.441
642.461.923
650.291.60
654.381.928
655.292.117
666.291.930
667.041.93
667.681.950
668.781.928
669.261.730
674.041.329
675.381.930
676.842.18
678.461.933
686.212.50
692.522.415
712.612.531
712.672.231
  1. 3.143 km SE of Hōlualoa, Hawaii, United States11-04 21:59
  2. 3.056 km SSE of Hōlualoa, Hawaii, United States10-18 20:19
  3. 2.742 km ESE of Hōlualoa, Hawaii, United States10-22 19:32
  4. 2.646 km WSW of Hilo, Hawaii, United States10-27 23:17
  5. 2.566 km SE of Hōlualoa, Hawaii, United States10-27 18:50
  6. 2.547 km SW of Hilo, Hawaii, United States11-08 09:14
  7. 2.567 km SE of Hōlualoa, Hawaii, United States11-09 11:39
  8. 2.442 km ESE of Hōlualoa, Hawaii, United States11-04 06:06
  9. 2.468 km SE of Hōlualoa, Hawaii, United States11-01 08:46
  10. 2.435 km SSE of Hōlualoa, Hawaii, United States11-08 15:33
  11. 2.429 km SSE of Hōlualoa, Hawaii, United States11-06 10:48
  12. 2.439 km ESE of Hōlualoa, Hawaii, United States10-27 11:58
  13. 2.443 km ESE of Hōlualoa, Hawaii, United States11-06 13:29
  14. 2.343 km ESE of Hōlualoa, Hawaii, United States10-19 00:47
  15. 2.342 km ESE of Hōlualoa, Hawaii, United States10-25 10:34
  16. 2.339 km ESE of Hōlualoa, Hawaii, United States10-21 00:46
  17. 2.348 km WSW of Hilo, Hawaii, United States10-24 05:53
  18. 2.268 km SE of Hōlualoa, Hawaii, United States10-29 15:25
  19. 2.238 km ESE of Hōlualoa, Hawaii, United States10-22 01:47
  20. 2.266 km SW of Hawaiian Paradise Park, United States10-14 00:36
  21. 2.267 km SE of Hōlualoa, Hawaii, United States11-09 11:42
  22. 2.142 km ESE of Hōlualoa, Hawaii, United States10-11 13:15
  23. 2.138 km SE of Hōlualoa, Hawaii, United States10-16 06:51
  24. 2.169 km SE of Hōlualoa, Hawaii, United States10-25 02:11
  25. 2.167 km SE of Hōlualoa, Hawaii, United States10-31 01:28

Did you feel it?

Reports from people help show where shaking was strong. They are anonymous and shown here in aggregate.

Reports close 14 days after an earthquake.

Reports on SeismoAtlas

No reports yet.

Event id hv75053602. First recorded here 10 Oct 2026, 19:06:03 UTC. Solutions: USGS · HV (usgs:hv75053602). Cite as: SeismoAtlas, “M1.9 earthquake 43 km ESE of Hōlualoa, Hawaii, United States”, https://seismoatlas.com/earthquake/hv75053602-m1-9-earthquake-43-km-ese-of-holualoa-hawaii-united-states, data from USGS.

JSON: /api/v1/events/hv75053602. SeismoAtlas is not an official warning service.