Japan earthquakes

M5.6 earthquake 164 km E of Noda, Japan

A magnitude 5.6 earthquake struck 164 km E of Noda, Japan on Thu, Jul 18, 1968, 8:20 PM JST (11:20 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M5.7 145 km ENE of Miyako, Japan. This one was a foreshock.

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

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The earthquake

Magnitude
5.6 (mw), moderate
Local time
UTC
1968-07-18 11:20:59 UTC
Depth
24.1 km (15.0 mi), shallow
Epicenter
40.323° N, 143.725° 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: 8 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 5.7145 km ENE of Miyako, Japan · 21245 days ago · 21 km deep · 45 km away
  2. 6.1140 km ENE of Noda, Japan · 21245 days ago · 26 km deep · 25 km away
  3. 5.6184 km E of Noda, Japan · 21237 days ago · 16 km deep · 20 km away
  4. 6.0130 km E of Noda, Japan · 21212 days ago · 25 km deep · 40 km away
  5. 5.7132 km ENE of Miyako, Japan · 21212 days ago · 22 km deep · 41 km away
  6. 5.587 km E of Noda, Japan · 21207 days ago · 32 km deep · 80 km away
  7. 5.6156 km E of Miyako, Japan · 21194 days ago · 21 km deep · 64 km away
  8. 6.1142 km SSE of Honchō, Japan · 21191 days ago · 27 km deep · 72 km away

Before

  1. 6.0113 km E of Miyako, Japan · 21256 days ago · 20 km deep · 88 km away
  2. 6.0109 km E of Yamada, Japan · 21256 days ago · 22 km deep · 96 km away
  3. 5.9134 km E of Noda, Japan · 21258 days ago · 19 km deep · 29 km away
  4. 5.5178 km ENE of Noda, Japan · 21259 days ago · 15 km deep · 32 km away
  5. 5.5150 km E of Miyako, Japan · 21266 days ago · 10 km deep · 63 km away
  6. 5.8139 km E of Miyako, Japan · 21273 days ago · 24 km deep · 81 km away
  7. 6.1166 km E of Noda, Japan · 21276 days ago · 21 km deep · 9 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem819143. Read Tue, Sep 22, 2026, 12:13 PM UTC.