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M1.9 earthquake 74 km SW of Hawaiian Paradise Park, United States

A magnitude 1.9 earthquake struck 74 km SW of Hawaiian Paradise Park, United States at 18:51 local time (04:51 UTC) on 24 Sept 2026, at a depth of 27 km, according to USGS. The solution is preliminary and may be revised.

Data: USGS · updated 2026-09-25 04:55 UTC · automatic solution

Magnitude
1.9micro
duration magnitude (md)
Depth
26.9 km
Status
Automatic
Origin time
2026-09-25 04:51:35 UTC
Local: 24 Sept 2026, 18:51:35 (Pacific/Honolulu)
Epicentre
19.104° N, 155.446° 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. 11,40474 kmINot felt
HōlualoaHawaii, United States · pop. 8,53878 kmINot felt
HiloHawaii, United States · pop. 43,26379 kmINot felt
HonoluluHawaii, United States · pop. 350,964352 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 md26.9 km19.10° N, 155.45° W–Automatic

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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 9 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 27 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 19× the energy of M1.0, and its waves are about 7.2× taller on a seismogram. Energy: 9 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

31 later earthquakes within 30 km; the largest was M2.8 10 h ago. 47 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M1.9

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

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
1.201.830
4.111.935
4.571.730
4.922.228
6.361.612
21.381.610
22.502.131
25.702.328
34.571.930
35.182.08
36.462.430
38.832.136
38.842.632
43.722.031
52.801.930
53.301.827
61.111.910
63.811.928
67.501.729
69.502.129
74.771.727
77.482.132
77.751.732
78.732.835
78.782.133
79.092.433
79.511.830
79.672.134
79.892.333
80.041.732
80.592.333
  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. 2.471 km SE of Hōlualoa, Hawaii, United States09-28 11:57
  4. 2.457 km SW of Hawaiian Paradise Park, United States09-26 17:19
  5. 2.369 km SE of Hōlualoa, Hawaii, United States09-26 06:33
  6. 2.371 km SE of Hōlualoa, Hawaii, United States09-28 12:45
  7. 2.371 km SE of Hōlualoa, Hawaii, United States09-28 13:27
  8. 2.249 km SW of Hawaiian Paradise Park, United States09-25 09:46
  9. 2.171 km SE of Hōlualoa, Hawaii, United States09-28 12:31
  10. 2.172 km SE of Hōlualoa, Hawaii, United States09-28 11:38
  11. 2.164 km SW of Hawaiian Paradise Park, United States09-28 02:21
  12. 2.167 km SW of Hawaiian Paradise Park, United States09-26 03:21
  13. 2.171 km SE of Hōlualoa, Hawaii, United States09-28 10:20
  14. 2.166 km SE of Hōlualoa, Hawaii, United States09-26 19:41
  15. 2.057 km ESE of Hōlualoa, Hawaii, United States09-26 16:02
  16. 2.067 km SE of Hōlualoa, Hawaii, United States09-27 00:34
  17. 1.959 km ESE of Hōlualoa, Hawaii, United States09-27 17:58
  18. 1.966 km SE of Hōlualoa, Hawaii, United States09-25 08:58
  19. 1.965 km SE of Hōlualoa, Hawaii, United States09-26 15:25
  20. 1.957 km SW of Hawaiian Paradise Park, United States09-27 09:39
  21. 1.965 km SW of Hawaiian Paradise Park, United States09-27 20:39
  22. 1.855 km WSW of Hawaiian Paradise Park, United States09-27 10:09
  23. 1.873 km SE of Hōlualoa, Hawaii, United States09-28 12:21
  24. 1.871 km SE of Hōlualoa, Hawaii, United States09-25 06:03
  25. 1.769 km SW of Hawaiian Paradise Park, United States09-28 00:21

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Reports on SeismoAtlas

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Event id hv75043527. First recorded here 28 Sept 2026, 17:32:10 UTC. Solutions: USGS · HV (usgs:hv75043527). Cite as: SeismoAtlas, “M1.9 earthquake 74 km SW of Hawaiian Paradise Park, United States”, https://seismoatlas.com/earthquake/hv75043527-m1-9-earthquake-74-km-sw-of-hawaiian-paradise-park-united-states, data from USGS.

JSON: /api/v1/events/hv75043527. SeismoAtlas is not an official warning service.