M5.7 earthquake 74 km S of Hirara, Japan
A magnitude 5.7 earthquake struck 74 km S of Hirara, Japan on Tue, Nov 26, 1985, 7:05 PM JST (10:05 UTC), 21 km (13 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (Mw, moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1985-11-26 10:05:03 UTC
- Depth
- 20.6 km (12.8 mi), shallow
- Epicenter
- 24.139° N, 125.177° E
- Region
- Japan
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.7 | Mw, moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.72 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.7 | Mwc, centroid moment | Global CMT project | Preliminary |
What happened
The USGS’s account of the effects of this earthquake.
Felt (II JMA) on Ishigaki-jima and (I JMA) on Miyako-jima. CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 14S, 28C Centroid Location: Origin Time 10:05: 7.3 0.3 Lat 24.11N 0.05 Lon 125.13E 0.07 Dep 10.0 FIX Half-duration 2.0 Moment Tensor; Scale 10**24 D-CM Mrr=0.64 0.11 Mtt=-1.22 0.10 Mff=0.57 0.16 Mrt=3.11 0.30 Mrf=3.37 0.20 Mtf=-0.56 0.10 Principal Axes: (T) Val=4.64 Plg=48 Azm=301 (N) Val=0.18 Plg=11 Azm=44 (P) Val=-4.82 Plg=40 Azm=143 Best Double Couple:Mo=4.7*10**24 NP1:Strike=292 Dip=12 Slip=158 NP2:Strike=43 Dip=86 Slip=79
From the USGS event page for usp0002n85. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
No one has reported feeling this quake to the USGS.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.7 and up: 6 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.0southwestern Ryukyu Islands, Japan · 14921 days ago · 35 km deep · 3 km away
- 5.066 km S of Hirara, Japan · 14921 days ago · 43 km deep · 10 km away
- 4.476 km S of Hirara, Japan · 14920 days ago · 49 km deep · 2 km away
- 5.350 km ESE of Hirara, Japan · 14896 days ago · 57 km deep · 77 km away
- 4.2110 km SE of Hirara, Japan · 14886 days ago · 33 km deep · 81 km away
- 4.851 km SSE of Hirara, Japan · 14870 days ago · 84 km deep · 44 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002n85 (also filed as gcmtb112685c, gcmt19851126100505, iscgem511834). Read Sat, Oct 3, 2026, 5:29 PM UTC.