Japan earthquakes

M5.5 earthquake 166 km E of Noda, Japan

A magnitude 5.5 earthquake struck 166 km E of Noda, Japan on Fri, May 24, 1968, 8:56 AM JST (23:56 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M6.6 141 km ENE of Kuji, Japan. This one was a foreshock.

Miyako forecastMore in Japan

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
5.5 (Mw, moment), moderate
Magnitude from
ISC-GEM global catalog
Local time
UTC
1968-05-23 23:56:23 UTC
Depth
17.4 km (10.8 mi), shallow
Epicenter
40.220° N, 143.763° E
Region
Japan
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Magnitude uncertainty
±0.20
Depth from
From location

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.5 and up: 17 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 6.6141 km ENE of Kuji, Japan · 21314 days ago · 27 km deep · 87 km away
  2. 6.1121 km E of Noda, Japan · 21313 days ago · 36 km deep · 45 km away
  3. 5.6146 km ENE of Kuji, Japan · 21313 days ago · 28 km deep · 66 km away
  4. 5.5175 km E of Noda, Japan · 21309 days ago · 35 km deep · 11 km away
  5. 5.6182 km SSE of Honchō, Japan · 21300 days ago · 26 km deep · 49 km away
  6. 5.5191 km E of Noda, Japan · 21298 days ago · 10 km deep · 27 km away
  7. 5.897 km E of Yamada, Japan · 21295 days ago · 31 km deep · 95 km away
  8. 5.9168 km E of Noda, Japan · 21290 days ago · 20 km deep · 3 km away
  9. 5.899 km E of Yamada, Japan · 21289 days ago · 29 km deep · 98 km away
  10. 6.1166 km E of Noda, Japan · 21286 days ago · 21 km deep · 21 km away
  11. 5.8139 km E of Miyako, Japan · 21282 days ago · 24 km deep · 71 km away
  12. 5.5150 km E of Miyako, Japan · 21275 days ago · 10 km deep · 52 km away
  13. 5.5178 km ENE of Noda, Japan · 21268 days ago · 15 km deep · 43 km away
  14. 5.9134 km E of Noda, Japan · 21267 days ago · 19 km deep · 32 km away
  15. 6.0109 km E of Yamada, Japan · 21266 days ago · 22 km deep · 88 km away
  16. 6.0113 km E of Miyako, Japan · 21266 days ago · 20 km deep · 80 km away
  17. 5.6164 km E of Noda, Japan · 21259 days ago · 24 km deep · 12 km away

Before

  1. 5.6153 km E of Noda, Japan · 21315 days ago · 17 km deep · 17 km away
  2. 5.9170 km ENE of Noda, Japan · 21319 days ago · 24 km deep · 23 km away
  3. 5.8184 km ENE of Miyako, Japan · 21319 days ago · 15 km deep · 19 km away
  4. 6.1137 km SSE of Honchō, Japan · 21319 days ago · 37 km deep · 87 km away
  5. 5.8180 km SSE of Honchō, Japan · 21321 days ago · 23 km deep · 51 km away
  6. 6.1112 km E of Miyako, Japan · 21321 days ago · 38 km deep · 77 km away
  7. 6.4191 km SSE of Hiroo, Japan · 21321 days ago · 14 km deep · 54 km away
  8. 5.6155 km E of Miyako, Japan · 21321 days ago · 21 km deep · 59 km away
  9. 6.2134 km E of Miyako, Japan · 21321 days ago · 35 km deep · 61 km away
  10. 6.5111 km E of Miyako, Japan · 21322 days ago · 48 km deep · 65 km away
  11. 6.7146 km E of Miyako, Japan · 21322 days ago · 25 km deep · 48 km away
  12. 8.21968 Tokachi-Oki Earthquake · 21323 days ago · 27 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem822669. Read Thu, Oct 1, 2026, 6:34 PM UTC.