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M1.7 earthquake 39 km WSW of Hawaiian Paradise Park, United States

A magnitude 1.7 earthquake struck 39 km WSW of Hawaiian Paradise Park, United States at 13:30 local time (23:30 UTC) on 31 Oct 2026, at a depth of 2 km, according to USGS.

revised from M2.4

Data: USGS · updated 2026-11-02 19:07 UTC · reviewed

Magnitude
1.7micro
local magnitude (Richter) (ml)
revised from 2.4
Depth
1.7 km
Status
Reviewed
Origin time
2026-10-31 23:30:27 UTC
Local: 31 Oct 2026, 13:30:27 (Pacific/Honolulu)
Epicentre
19.393° N, 155.281° 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
Hawaiian Paradise ParkHawaii, United States · pop. 11,40439 kmINot felt
HiloHawaii, United States · pop. 43,26342 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. Likely felt out to about 4 km.

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 Survey1.7 mlwas 2.41.7 km19.39° N, 155.28° 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 6 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 2 km this was a shallow earthquake, which is felt more strongly at the surface than a deeper one of the same size.

M1.7 releases about 12× the energy of M1.0, and its waves are about 5.1× taller on a seismogram. Energy: 6 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

50 later earthquakes within 30 km; the largest was M2.6 3 days ago. 33 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M1.7

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
0.012.22
3.501.846
3.502.052
18.451.827
21.030.83
21.501.829
24.391.67
35.772.02
37.311.829
38.721.726
65.321.731
69.331.97
77.201.931
77.822.02
81.631.329
85.872.02
105.071.77
108.911.76
110.601.830
118.302.51
128.051.529
128.171.830
133.991.923
134.362.028
141.831.60
145.921.928
150.222.338
157.821.930
158.581.93
163.041.929
165.571.329
166.921.930
168.382.18
174.061.842
177.742.50
190.561.932
197.861.811
218.322.629
221.521.732
223.491.930
233.631.732
234.211.829
250.341.727
261.641.93
264.881.929
278.632.036
282.141.928
283.262.129
288.721.74
289.582.58
  1. 2.661 km SW of Hawaiian Paradise Park, United States11-10 01:49
  2. 2.547 km SW of Hilo, Hawaii, United States11-08 09:14
  3. 2.540 km SW of Hawaiian Paradise Park, United States11-05 21:48
  4. 2.553 km SW of Hilo, Hawaii, United States11-13 01:05
  5. 2.346 km SSW of Hawaiian Paradise Park, United States11-07 05:43
  6. 2.239 km SW of Hawaiian Paradise Park, United States10-31 23:31
  7. 2.158 km SW of Hawaiian Paradise Park, United States11-12 18:46
  8. 2.152 km WSW of Hawaiian Paradise Park, United States11-07 23:53
  9. 2.034 km SSW of Hawaiian Paradise Park, United States11-04 13:22
  10. 2.058 km SW of Hawaiian Paradise Park, United States11-06 13:51
  11. 2.039 km SW of Hawaiian Paradise Park, United States11-02 11:16
  12. 2.019 km SW of Hawaiian Paradise Park, United States11-12 14:08
  13. 2.056 km SSW of Hawaiian Paradise Park, United States11-01 03:00
  14. 2.040 km SW of Hawaiian Paradise Park, United States11-04 05:19
  15. 1.964 km SW of Hawaiian Paradise Park, United States11-12 17:38
  16. 1.951 km ESE of Hōlualoa, Hawaii, United States11-03 20:50
  17. 1.962 km SW of Hawaiian Paradise Park, United States11-08 22:04
  18. 1.957 km SW of Hawaiian Paradise Park, United States11-07 22:25
  19. 1.967 km SE of Hōlualoa, Hawaii, United States11-10 07:00
  20. 1.959 km SW of Hawaiian Paradise Park, United States11-07 18:32
  21. 1.938 km WSW of Hawaiian Paradise Park, United States11-11 21:09
  22. 1.959 km SW of Hawaiian Paradise Park, United States11-12 00:23
  23. 1.961 km SW of Hawaiian Paradise Park, United States11-04 04:42
  24. 1.958 km SW of Hawaiian Paradise Park, United States11-07 01:25
  25. 1.950 km ESE of Hōlualoa, Hawaii, United States11-06 13:29

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Reports on SeismoAtlas

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Event id hv75066971. First recorded here 31 Oct 2026, 23:34:28 UTC. Solutions: USGS · HV (usgs:hv75066971). Cite as: SeismoAtlas, “M1.7 earthquake 39 km WSW of Hawaiian Paradise Park, United States”, https://seismoatlas.com/earthquake/hv75066971-m1-7-earthquake-39-km-wsw-of-hawaiian-paradise-park-united-states, data from USGS.

JSON: /api/v1/events/hv75066971. SeismoAtlas is not an official warning service.