M2.1 earthquake 75 km SW of Hawaiian Paradise Park, United States
A magnitude 2.1 earthquake struck 75 km SW of Hawaiian Paradise Park, United States at 01:52 local time (11:52 UTC) on 31 Oct 2026, at a depth of 30 km, according to USGS.
revised from M2.2
Data: USGS · updated 2026-11-03 19:29 UTC · reviewed
- Magnitude
- 2.1micro
local magnitude (Richter) (ml)
revised from 2.2 - Depth
- 29.7 km
- Status
- Reviewed
- Origin time
- 2026-10-31 11:52:40 UTC
- Local: 31 Oct 2026, 01:52:40 (Pacific/Honolulu)
- Epicentre
- 19.035° N, 155.369° 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
| Place | Distance | Est. shaking |
|---|---|---|
| Hawaiian Paradise ParkHawaii, United States · pop. 11,404 | 75 km | INot felt |
| HiloHawaii, United States · pop. 43,263 | 83 km | INot felt |
| HonoluluHawaii, United States · pop. 350,964 | 363 km | INot 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.
| Agency | Magnitude | Depth | Epicentre | Time offset | Status |
|---|---|---|---|---|---|
| USGS · HVheadlineHawaiian Volcano Observatory via U.S. Geological Survey | 2.1 mlwas 2.2 | 29.7 km | 19.03° N, 155.37° 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 19 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 30 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 28× the energy of M1.1, and its waves are about 9.1× taller on a seismogram. Energy: 19 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
88 later earthquakes within 30 km; the largest was M2.6 4 h 55 min ago. 58 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.
Mainshock M2.1
88 later earthquakes nearby. Aftershock rates typically fall off roughly as 1/time (Omori's law).
| Time after mainshock (hours) | Magnitude | Depth (km) |
|---|---|---|
| 15.13 | 1.8 | 46 |
| 15.13 | 2.0 | 52 |
| 18.66 | 1.9 | 32 |
| 18.79 | 1.9 | 30 |
| 20.89 | 2.4 | 32 |
| 21.19 | 1.7 | 28 |
| 21.74 | 1.8 | 28 |
| 27.70 | 1.9 | 13 |
| 30.08 | 1.8 | 27 |
| 30.43 | 1.8 | 29 |
| 33.13 | 1.8 | 29 |
| 37.12 | 1.3 | 31 |
| 48.94 | 1.8 | 29 |
| 51.79 | 1.8 | 31 |
| 51.82 | 1.7 | 32 |
| 60.67 | 1.9 | 27 |
| 64.00 | 1.7 | 26 |
| 73.66 | 1.8 | 29 |
| 76.95 | 1.7 | 31 |
| 88.52 | 1.7 | 29 |
| 88.83 | 1.9 | 31 |
| 93.26 | 1.3 | 29 |
| 99.32 | 1.8 | 28 |
| 101.73 | 2.0 | 36 |
| 110.79 | 2.1 | 32 |
| 112.58 | 1.9 | 33 |
| 112.74 | 1.8 | 29 |
| 119.48 | 1.7 | 31 |
| 122.23 | 1.8 | 30 |
| 128.16 | 1.7 | 39 |
| 130.16 | 1.7 | 32 |
| 139.68 | 1.5 | 29 |
| 139.80 | 1.8 | 30 |
| 140.33 | 1.7 | 33 |
| 145.99 | 2.0 | 28 |
| 151.66 | 1.7 | 29 |
| 163.71 | 1.8 | 30 |
| 169.16 | 1.9 | 17 |
| 169.45 | 1.9 | 30 |
| 170.21 | 1.9 | 3 |
| 171.94 | 1.9 | 28 |
| 172.42 | 1.7 | 30 |
| 174.67 | 1.9 | 29 |
| 177.20 | 1.3 | 29 |
| 178.55 | 1.9 | 30 |
| 178.81 | 1.9 | 28 |
| 181.63 | 1.9 | 33 |
| 185.69 | 1.8 | 42 |
| 192.78 | 1.9 | 11 |
| 193.37 | 1.9 | 37 |
| 196.98 | 1.8 | 31 |
| 197.67 | 1.9 | 29 |
| 199.89 | 2.4 | 35 |
| 202.19 | 1.9 | 32 |
| 209.14 | 1.7 | 36 |
| 209.14 | 1.9 | 35 |
| 209.15 | 2.3 | 44 |
| 209.42 | 2.0 | 40 |
| 209.73 | 2.6 | 12 |
| 209.92 | 1.7 | 13 |
| 215.77 | 2.5 | 31 |
| 215.83 | 2.2 | 31 |
| 215.88 | 1.8 | 34 |
| 224.84 | 1.9 | 29 |
| 229.95 | 2.6 | 29 |
| 231.42 | 1.9 | 29 |
| 235.12 | 1.9 | 30 |
| 239.04 | 2.1 | 31 |
| 240.18 | 1.7 | 36 |
| 240.61 | 1.8 | 29 |
| 240.99 | 1.9 | 31 |
| 245.26 | 1.7 | 32 |
| 245.84 | 1.8 | 29 |
| 249.19 | 1.8 | 27 |
| 249.30 | 1.9 | 30 |
| 259.51 | 1.5 | 30 |
| 261.19 | 1.7 | 27 |
| 261.97 | 1.7 | 27 |
| 276.51 | 1.9 | 29 |
| 280.63 | 1.7 | 31 |
| 284.86 | 1.9 | 31 |
| 288.96 | 2.6 | 28 |
| 292.24 | 1.8 | 28 |
| 293.77 | 1.9 | 28 |
| 294.07 | 1.7 | 36 |
| 294.89 | 2.1 | 29 |
| 295.41 | 2.6 | 29 |
| 296.98 | 1.7 | 29 |
- 2.667 km SE of Hōlualoa, Hawaii, United States11-12 19:17
- 2.691 km SSW of Hawaiian Paradise Park, United States11-12 12:50
- 2.672 km SE of Hōlualoa, Hawaii, United States11-09 05:36
- 2.661 km SW of Hawaiian Paradise Park, United States11-10 01:49
- 2.567 km SE of Hōlualoa, Hawaii, United States11-09 11:39
- 2.498 km SSE of Hōlualoa, Hawaii, United States11-08 19:46
- 2.468 km SE of Hōlualoa, Hawaii, United States11-01 08:46
- 2.368 km SE of Hōlualoa, Hawaii, United States11-09 05:01
- 2.267 km SE of Hōlualoa, Hawaii, United States11-09 11:42
- 2.158 km SW of Hawaiian Paradise Park, United States11-12 18:46
- 2.174 km SW of Hawaiian Paradise Park, United States11-10 10:55
- 2.170 km SW of Hawaiian Paradise Park, United States11-05 02:40
- 2.095 km SSE of Hōlualoa, Hawaii, United States11-04 17:36
- 2.058 km SW of Hawaiian Paradise Park, United States11-06 13:51
- 2.072 km SW of Hawaiian Paradise Park, United States11-09 05:17
- 2.056 km SSW of Hawaiian Paradise Park, United States11-01 03:00
- 1.964 km SW of Hawaiian Paradise Park, United States11-12 17:38
- 1.967 km SE of Hōlualoa, Hawaii, United States11-07 15:49
- 1.962 km SW of Hawaiian Paradise Park, United States11-08 22:04
- 1.981 km SSW of Hawaiian Paradise Park, United States11-01 06:32
- 1.970 km SW of Hawaiian Paradise Park, United States11-09 05:01
- 1.967 km SE of Hōlualoa, Hawaii, United States11-12 08:44
- 1.957 km SW of Hawaiian Paradise Park, United States11-07 22:25
- 1.969 km SE of Hōlualoa, Hawaii, United States11-08 01:30
- 1.974 km SE of Hōlualoa, Hawaii, United States11-08 12:39
Did you feel it?
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Reports on SeismoAtlas
No reports yet.
Event id hv75066756. First recorded here 31 Oct 2026, 11:57:57 UTC. Solutions: USGS · HV (usgs:hv75066756). Cite as: SeismoAtlas, “M2.1 earthquake 75 km SW of Hawaiian Paradise Park, United States”, https://seismoatlas.com/earthquake/hv75066756-m2-1-earthquake-75-km-sw-of-hawaiian-paradise-park-united-states, data from USGS.
JSON: /api/v1/events/hv75066756. SeismoAtlas is not an official warning service.