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M2.4 earthquake 68 km SE of Hōlualoa, Hawaii, United States

A magnitude 2.4 earthquake struck 68 km SE of Hōlualoa, Hawaii, United States at 22:46 local time (08:46 UTC) on 31 Oct 2026, at a depth of 32 km, according to USGS.

Data: USGS · updated 2026-11-02 19:14 UTC · reviewed

Magnitude
2.4micro
local magnitude (Richter) (ml)
Depth
31.6 km
Status
Reviewed
Origin time
2026-11-01 08:46:14 UTC
Local: 31 Oct 2026, 22:46:14 (Pacific/Honolulu)
Epicentre
19.183° N, 155.499° 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. 8,53868 kmINot felt
Hawaiian Paradise ParkHawaii, United States · pop. 11,40472 kmINot felt
HiloHawaii, United States · pop. 43,26374 kmINot felt
HonoluluHawaii, United States · pop. 350,964341 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 mlwas 2.531.6 km19.18° N, 155.50° 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 62 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 32 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 33× the energy of M1.4, and its waves are about 10× taller on a seismogram. Energy: 62 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

93 later earthquakes within 30 km; the largest was M3.1 8 days ago. 60 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M2.4

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
0.301.728
0.851.828
6.811.913
9.191.827
9.541.829
12.241.829
15.121.67
16.221.331
28.051.829
29.461.726
30.901.831
30.931.732
39.781.927
43.111.726
52.771.829
56.051.731
60.071.97
67.621.729
67.941.931
69.342.440
72.361.329
78.431.828
85.233.1-2
85.651.8-2
89.902.132
91.681.933
91.851.829
95.811.77
98.591.731
99.651.76
101.341.830
107.271.739
109.271.732
118.781.529
118.911.830
119.441.733
124.732.441
124.731.923
125.102.028
130.771.729
136.651.928
142.811.830
148.271.917
148.561.930
149.321.93
151.051.928
151.531.730
153.781.929
156.311.329
157.661.930
157.921.928
159.112.18
160.731.933
164.801.842
171.881.911
172.481.937
176.091.831
176.771.929
181.301.932
188.241.736
188.251.935
188.262.344
188.532.040
188.842.612
189.031.713
194.882.531
194.942.231
194.991.834
203.941.929
209.062.629
210.531.929
212.261.732
214.231.930
218.152.131
219.281.736
219.711.829
220.101.931
224.371.732
224.941.829
228.301.827
228.411.930
238.611.530
240.301.727
241.081.727
255.611.929
259.741.731
263.971.931
271.341.828
272.871.928
273.181.736
274.002.129
274.512.629
276.081.729
  1. 3.143 km SE of Hōlualoa, Hawaii, United States11-04 21:59
  2. 2.667 km SE of Hōlualoa, Hawaii, United States11-12 19:17
  3. 2.672 km SE of Hōlualoa, Hawaii, United States11-09 05:36
  4. 2.661 km SW of Hawaiian Paradise Park, United States11-10 01:49
  5. 2.567 km SE of Hōlualoa, Hawaii, United States11-09 11:39
  6. 2.442 km ESE of Hōlualoa, Hawaii, United States11-04 06:06
  7. 2.443 km ESE of Hōlualoa, Hawaii, United States11-06 13:29
  8. 2.368 km SE of Hōlualoa, Hawaii, United States11-09 05:01
  9. 2.267 km SE of Hōlualoa, Hawaii, United States11-09 11:42
  10. 2.158 km SW of Hawaiian Paradise Park, United States11-12 18:46
  11. 2.174 km SW of Hawaiian Paradise Park, United States11-10 10:55
  12. 2.170 km SW of Hawaiian Paradise Park, United States11-05 02:40
  13. 2.152 km WSW of Hawaiian Paradise Park, United States11-07 23:53
  14. 2.058 km SW of Hawaiian Paradise Park, United States11-06 13:51
  15. 2.072 km SW of Hawaiian Paradise Park, United States11-09 05:17
  16. 1.964 km SW of Hawaiian Paradise Park, United States11-12 17:38
  17. 1.951 km ESE of Hōlualoa, Hawaii, United States11-03 20:50
  18. 1.967 km SE of Hōlualoa, Hawaii, United States11-07 15:49
  19. 1.962 km SW of Hawaiian Paradise Park, United States11-08 22:04
  20. 1.970 km SW of Hawaiian Paradise Park, United States11-09 05:01
  21. 1.967 km SE of Hōlualoa, Hawaii, United States11-12 08:44
  22. 1.957 km SW of Hawaiian Paradise Park, United States11-07 22:25
  23. 1.969 km SE of Hōlualoa, Hawaii, United States11-08 01:30
  24. 1.974 km SE of Hōlualoa, Hawaii, United States11-08 12:39
  25. 1.968 km SE of Hōlualoa, Hawaii, United States11-10 21:10

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Reports on SeismoAtlas

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Event id hv75067206. First recorded here 1 Nov 2026, 08:49:53 UTC. Solutions: USGS · HV (usgs:hv75067206). Cite as: SeismoAtlas, “M2.4 earthquake 68 km SE of Hōlualoa, Hawaii, United States”, https://seismoatlas.com/earthquake/hv75067206-m2-4-earthquake-68-km-se-of-holualoa-hawaii-united-states, data from USGS.

JSON: /api/v1/events/hv75067206. SeismoAtlas is not an official warning service.