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M2.1 earthquake 39 km SW of Hawaiian Paradise Park, United States

A magnitude 2.1 earthquake struck 39 km SW of Hawaiian Paradise Park, United States at 11:08 local time (21:08 UTC) on 13 Oct 2026, at a depth of 2 km, according to USGS.

Data: USGS · updated 2026-10-13 21:23 UTC · reviewed

Magnitude
2.1micro
local magnitude (Richter) (ml)
Depth
1.7 km
Status
Reviewed
Origin time
2026-10-13 21:08:51 UTC
Local: 13 Oct 2026, 11:08:51 (Pacific/Honolulu)
Epicentre
19.389° N, 155.279° 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. 43,26343 kmINot felt
HonoluluHawaii, United States · pop. 350,964344 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 6 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 Survey2.1 ml1.7 km19.39° N, 155.28° W–Reviewed

How big was it?

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

It released roughly the energy of 20 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.

M2.1 releases about 30× the energy of M1.1, and its waves are about 9.5× taller on a seismogram. Energy: 20 kg of TNT vs 674 g of TNT.

Each square is the energy of one M1.1. Energy from log₁₀E = 1.5M + 4.8.

Aftershocks and nearby activity

177 later earthquakes within 30 km; the largest was M2.6 16 days ago. 50 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M2.1

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
0.282.02
3.420.92
3.462.232
3.761.01
3.971.930
4.971.95
8.942.02
11.511.840
13.641.337
13.701.839
13.791.738
14.651.80
15.481.628
18.051.930
20.641.428
20.781.728
29.010.92
29.022.227
29.041.729
40.992.02
50.601.845
55.031.828
55.511.625
57.871.830
58.101.67
58.881.52
60.411.57
62.811.89
72.701.434
73.141.80
74.531.731
74.891.77
77.311.70
81.642.132
82.111.741
84.551.431
84.971.729
85.251.129
86.241.728
89.191.77
90.841.433
92.372.20
92.641.02
93.711.90
93.911.81
94.251.10
94.251.31
95.751.80
97.771.831
106.671.71
107.781.729
113.242.18
113.391.48
116.330.90
116.332.16
116.631.70
117.191.62
118.371.76
121.402.241
126.981.929
128.521.830
130.101.99
144.491.38
144.881.931
155.121.929
155.381.80
155.521.736
155.531.942
160.401.828
173.451.46
175.181.730
186.671.23
186.681.63
191.781.929
217.002.22
218.471.97
223.371.75
226.631.51
231.161.83
233.671.829
236.591.631
236.691.130
238.631.428
238.671.81
240.641.9-1
241.471.82
241.811.838
246.321.86
246.341.97
248.742.3-1
252.411.4-1
270.171.76
272.911.847
284.591.228
290.541.740
291.282.11
291.651.9-1
292.141.931
304.111.840
311.641.828
316.541.841
331.281.931
335.911.325
338.152.60
338.771.230
351.701.233
356.361.828
359.381.47
359.921.78
367.302.026
370.071.929
379.381.41
379.392.01
388.141.930
390.781.84
391.711.91
404.101.90
412.322.132
418.912.00
420.181.79
421.741.829
421.931.430
425.181.62
425.221.92
425.471.72
425.531.92
427.821.71
434.361.72
434.372.22
437.861.846
437.862.052
452.811.827
455.390.83
455.861.829
458.751.67
470.132.02
471.671.829
473.081.726
483.401.927
499.681.731
503.691.97
511.561.931
512.182.02
515.991.329
520.232.02
539.431.77
543.271.76
544.961.830
552.662.51
562.411.529
562.531.830
568.351.923
568.722.028
576.191.60
580.281.928
584.582.338
592.181.930
592.941.93
597.401.929
599.931.329
601.281.930
602.742.18
608.421.842
612.102.50
624.921.932
632.221.811
652.682.629
655.881.732
657.861.930
667.991.732
668.571.829
684.701.727
696.001.93
699.241.929
712.992.036
716.501.928
717.622.129
  1. 2.646 km WSW of Hilo, Hawaii, United States10-27 23:17
  2. 2.661 km SW of Hawaiian Paradise Park, United States11-10 01:49
  3. 2.547 km SW of Hilo, Hawaii, United States11-08 09:14
  4. 2.540 km SW of Hawaiian Paradise Park, United States11-05 21:48
  5. 2.346 km SSW of Hawaiian Paradise Park, United States11-07 05:43
  6. 2.348 km WSW of Hilo, Hawaii, United States10-24 05:53
  7. 2.247 km SSW of Hawaiian Paradise Park, United States10-18 22:32
  8. 2.239 km SW of Hawaiian Paradise Park, United States10-31 23:31
  9. 2.266 km SW of Hawaiian Paradise Park, United States10-14 00:36
  10. 2.264 km SW of Hawaiian Paradise Park, United States10-15 02:10
  11. 2.243 km SW of Hawaiian Paradise Park, United States10-22 22:08
  12. 2.238 km WSW of Hawaiian Paradise Park, United States10-17 17:31
  13. 2.137 km SW of Hawaiian Paradise Park, United States10-18 17:28
  14. 2.141 km SW of Hawaiian Paradise Park, United States10-18 14:23
  15. 2.167 km SE of Hōlualoa, Hawaii, United States10-31 01:28
  16. 2.158 km SW of Hawaiian Paradise Park, United States11-12 18:46
  17. 2.152 km WSW of Hawaiian Paradise Park, United States11-07 23:53
  18. 2.167 km SE of Hōlualoa, Hawaii, United States10-17 06:47
  19. 2.137 km SW of Hawaiian Paradise Park, United States10-26 00:25
  20. 2.039 km WSW of Hawaiian Paradise Park, United States10-15 14:08
  21. 2.067 km SW of Hawaiian Paradise Park, United States10-31 08:03
  22. 2.040 km SW of Hawaiian Paradise Park, United States10-29 16:32
  23. 2.034 km SSW of Hawaiian Paradise Park, United States11-04 13:22
  24. 2.058 km SW of Hawaiian Paradise Park, United States11-06 13:51
  25. 2.039 km SW of Hawaiian Paradise Park, United States11-02 11:16

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Reports on SeismoAtlas

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Event id hv75055537. First recorded here 13 Oct 2026, 21:24:06 UTC. Solutions: USGS · HV (usgs:hv75055537). Cite as: SeismoAtlas, “M2.1 earthquake 39 km SW of Hawaiian Paradise Park, United States”, https://seismoatlas.com/earthquake/hv75055537-m2-1-earthquake-39-km-sw-of-hawaiian-paradise-park-united-states, data from USGS.

JSON: /api/v1/events/hv75055537. SeismoAtlas is not an official warning service.