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M2.0 earthquake 70 km SE of Hōlualoa, Hawaii, United States

A magnitude 2.0 earthquake struck 70 km SE of Hōlualoa, Hawaii, United States at 08:37 local time (18:37 UTC) on 22 Sept 2026, at a depth of 32 km, according to USGS.

Data: USGS · updated 2026-09-23 19:59 UTC · reviewed

Magnitude
2.0micro
local magnitude (Richter) (ml)
Depth
32.1 km
Status
Reviewed
Origin time
2026-09-22 18:37:37 UTC
Local: 22 Sept 2026, 08:37:37 (Pacific/Honolulu)
Epicentre
19.166° N, 155.492° 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. 8,53870 kmINot felt
Hawaiian Paradise ParkHawaii, United States · pop. 11,40472 kmINot felt
HiloHawaii, United States · pop. 43,26376 kmINot felt
HonoluluHawaii, United States · pop. 350,964343 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 Survey2.0 ml32.1 km19.17° N, 155.49° W–Reviewed

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How big was it?

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

It released roughly the energy of 13 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.

M2.0 releases about 28× the energy of M1.0, and its waves are about 9.1× taller on a seismogram. Energy: 13 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

67 later earthquakes within 30 km; the largest was M2.8 13 h ago. 16 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M2.0

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
0.881.928
3.681.930
11.541.928
14.721.811
15.971.928
16.022.031
17.061.629
18.832.610
19.741.810
22.211.629
22.311.726
22.342.033
22.811.728
22.961.829
22.981.728
25.021.830
27.191.632
28.241.928
28.491.932
29.642.232
30.101.630
32.062.133
32.211.830
35.121.533
38.171.836
44.901.831
48.832.129
51.912.05
51.991.731
52.351.232
55.271.79
55.571.830
58.231.927
59.441.830
62.341.935
62.811.730
63.152.228
64.591.612
79.611.610
80.731.831
83.932.328
92.811.930
93.422.08
94.692.430
97.062.136
97.072.632
101.952.031
111.041.930
111.541.827
119.341.910
122.041.928
125.741.729
127.732.129
133.001.727
135.712.132
135.981.732
136.962.835
137.022.133
137.322.433
137.741.830
137.902.134
138.122.333
138.281.732
138.822.333
147.662.332
148.781.833
148.842.037
  1. 2.869 km SE of Hōlualoa, Hawaii, United States09-28 11:35
  2. 2.652 km SW of Hawaiian Paradise Park, United States09-26 19:41
  3. 2.671 km SE of Hōlualoa, Hawaii, United States09-23 13:27
  4. 2.471 km SE of Hōlualoa, Hawaii, United States09-28 11:57
  5. 2.457 km SW of Hawaiian Paradise Park, United States09-26 17:19
  6. 2.368 km SW of Hawaiian Paradise Park, United States09-28 22:17
  7. 2.369 km SE of Hōlualoa, Hawaii, United States09-26 06:33
  8. 2.371 km SE of Hōlualoa, Hawaii, United States09-28 12:45
  9. 2.371 km SE of Hōlualoa, Hawaii, United States09-28 13:27
  10. 2.249 km SW of Hawaiian Paradise Park, United States09-25 09:46
  11. 2.276 km SW of Hawaiian Paradise Park, United States09-24 00:15
  12. 2.167 km SE of Hōlualoa, Hawaii, United States09-24 19:27
  13. 2.171 km SE of Hōlualoa, Hawaii, United States09-28 12:31
  14. 2.172 km SE of Hōlualoa, Hawaii, United States09-28 11:38
  15. 2.164 km SW of Hawaiian Paradise Park, United States09-28 02:21
  16. 2.171 km SE of Hōlualoa, Hawaii, United States09-28 10:20
  17. 2.171 km SE of Hōlualoa, Hawaii, United States09-24 02:41
  18. 2.166 km SE of Hōlualoa, Hawaii, United States09-26 19:41
  19. 2.067 km SE of Hōlualoa, Hawaii, United States09-23 10:38
  20. 2.052 km SW of Hawaiian Paradise Park, United States09-24 22:32
  21. 2.069 km SE of Hōlualoa, Hawaii, United States09-23 16:57
  22. 2.057 km ESE of Hōlualoa, Hawaii, United States09-26 16:02
  23. 2.069 km SE of Hōlualoa, Hawaii, United States09-28 23:27
  24. 2.067 km SE of Hōlualoa, Hawaii, United States09-27 00:34
  25. 1.958 km SW of Hawaiian Paradise Park, United States09-22 19:30

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Reports on SeismoAtlas

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Event id hv75042017. First recorded here 28 Sept 2026, 17:32:11 UTC. Solutions: USGS · HV (usgs:hv75042017). Cite as: SeismoAtlas, “M2.0 earthquake 70 km SE of Hōlualoa, Hawaii, United States”, https://seismoatlas.com/earthquake/hv75042017-m2-0-earthquake-70-km-se-of-holualoa-hawaii-united-states, data from USGS.

JSON: /api/v1/events/hv75042017. SeismoAtlas is not an official warning service.