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M1.9 earthquake 75 km SW of Hawaiian Paradise Park, United States

A magnitude 1.9 earthquake struck 75 km SW of Hawaiian Paradise Park, United States at 00:49 local time (10:49 UTC) on 31 Oct 2026, at a depth of 32 km, according to USGS. The solution is preliminary and may be revised.

Data: USGS · updated 2026-10-31 10:53 UTC · automatic solution

Magnitude
1.9micro
duration magnitude (md)
Depth
31.5 km
Status
Automatic
Origin time
2026-10-31 10:49:57 UTC
Local: 31 Oct 2026, 00:49:57 (Pacific/Honolulu)
Epicentre
19.033° N, 155.373° 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. 11,40475 kmINot felt
HiloHawaii, United States · pop. 43,26383 kmINot felt
HonoluluHawaii, United States · pop. 350,964363 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.

AgencyMagnitudeDepthEpicentreTime offsetStatus
USGS · HVheadlineHawaiian Volcano Observatory via U.S. Geological Survey1.9 md31.5 km19.03° N, 155.37° W–Automatic

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 32 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 26× the energy of M1.0, and its waves are about 8.7× 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

93 later earthquakes within 30 km; the largest was M2.6 12 h ago. 53 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M1.9

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
0.061.829
0.251.430
0.341.934
1.001.636
1.052.130
16.171.846
16.182.052
19.701.932
19.841.930
21.942.432
22.241.728
22.791.828
28.751.913
31.121.827
31.481.829
34.181.829
38.161.331
49.991.829
52.841.831
52.871.732
61.711.927
65.051.726
74.711.829
77.991.731
89.561.729
89.871.931
94.301.329
100.371.828
102.782.036
111.842.132
113.621.933
113.791.829
120.531.731
123.281.830
129.211.739
131.211.732
140.721.529
140.841.830
141.381.733
147.032.028
152.701.729
164.751.830
170.211.917
170.501.930
171.251.93
172.991.928
173.471.730
175.721.929
178.251.329
179.591.930
179.861.928
182.671.933
186.741.842
193.821.911
194.411.937
198.031.831
198.711.929
200.942.435
203.241.932
210.181.736
210.191.935
210.202.344
210.472.040
210.772.612
210.971.713
216.822.531
216.882.231
216.931.834
225.881.929
231.002.629
232.471.929
236.171.930
240.092.131
241.221.736
241.651.829
242.031.931
246.311.732
246.881.829
250.241.827
250.351.930
260.551.530
262.231.727
263.021.727
277.551.929
281.681.731
285.911.931
290.002.628
293.281.828
294.811.928
295.121.736
295.942.129
296.452.231
298.021.729
  1. 2.691 km SSW of Hawaiian Paradise Park, United States11-12 12:50
  2. 2.672 km SE of Hōlualoa, Hawaii, United States11-09 05:36
  3. 2.661 km SW of Hawaiian Paradise Park, United States11-10 01:49
  4. 2.567 km SE of Hōlualoa, Hawaii, United States11-09 11:39
  5. 2.498 km SSE of Hōlualoa, Hawaii, United States11-08 19:46
  6. 2.468 km SE of Hōlualoa, Hawaii, United States11-01 08:46
  7. 2.368 km SE of Hōlualoa, Hawaii, United States11-09 05:01
  8. 2.267 km SE of Hōlualoa, Hawaii, United States11-12 19:17
  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. 2.175 km SW of Hawaiian Paradise Park, United States10-31 11:52
  14. 2.095 km SSE of Hōlualoa, Hawaii, United States11-04 17:36
  15. 2.058 km SW of Hawaiian Paradise Park, United States11-06 13:51
  16. 2.072 km SW of Hawaiian Paradise Park, United States11-09 05:17
  17. 2.056 km SSW of Hawaiian Paradise Park, United States11-01 03:00
  18. 1.964 km SW of Hawaiian Paradise Park, United States11-12 17:38
  19. 1.967 km SE of Hōlualoa, Hawaii, United States11-07 15:49
  20. 1.962 km SW of Hawaiian Paradise Park, United States11-08 22:04
  21. 1.981 km SSW of Hawaiian Paradise Park, United States11-01 06:32
  22. 1.970 km SW of Hawaiian Paradise Park, United States11-09 05:01
  23. 1.967 km SE of Hōlualoa, Hawaii, United States11-12 08:44
  24. 1.957 km SW of Hawaiian Paradise Park, United States11-07 22:25
  25. 1.969 km SE of Hōlualoa, Hawaii, United States11-08 01:30

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Reports on SeismoAtlas

No reports yet.

Event id hv75066716. First recorded here 31 Oct 2026, 10:54:55 UTC. Solutions: USGS · HV (usgs:hv75066716). Cite as: SeismoAtlas, “M1.9 earthquake 75 km SW of Hawaiian Paradise Park, United States”, https://seismoatlas.com/earthquake/hv75066716-m1-9-earthquake-75-km-sw-of-hawaiian-paradise-park-united-states, data from USGS.

JSON: /api/v1/events/hv75066716. SeismoAtlas is not an official warning service.