Japan earthquakes

M4.4 earthquake 67 km ESE of Iwaki, Japan

A magnitude 4.4 earthquake struck 67 km ESE of Iwaki, Japan on Mon, Feb 19, 2018, 6:48 PM JST (09:48 UTC), 41 km (25 mi) below the surface.

A larger quake followed: M5.6 65 km E of Namie, Japan. This one was a foreshock.

Iwaki 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-02-19 09:48:54 UTC
Depth
40.5 km (25.2 mi), shallow
Epicenter
36.725° N, 141.519° 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.

Location uncertainty
About 5.0 km horizontally, 11.0 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
160°
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.630 km ESE of Namie, Japan · 3145 days ago · 36 km deep · 71 km away
  2. 5.665 km E of Namie, Japan · 3144 days ago · 31 km deep · 99 km away · felt by 113
  3. 4.479 km E of Namie, Japan · 3144 days ago · 48 km deep · 95 km away
  4. 4.4148 km ESE of Iwaki, Japan · 3143 days ago · 33 km deep · 86 km away
  5. 4.497 km NE of Hasaki, Japan · 3123 days ago · 41 km deep · 51 km away
  6. 5.018 km E of Funaishikawa, Japan · 3112 days ago · 40 km deep · 74 km away · felt by 155
  7. 3.46 km W of Hitachi, Japan · 3110 days ago · 66 km deep · 85 km away · felt by 3
  8. 4.11 km ESE of Kitaibaraki, Japan · 3107 days ago · 96 km deep · 68 km away · felt by 1
  9. 4.569 km E of Namie, Japan · 3106 days ago · 36 km deep · 77 km away · felt by 1
  10. 4.340 km E of Namie, Japan · 3099 days ago · 30 km deep · 89 km away
  11. 4.3130 km ESE of Namie, Japan · 3099 days ago · 10 km deep · 87 km away

Before

  1. 4.354 km SE of Namie, Japan · 3157 days ago · 40 km deep · 50 km away
  2. 4.425 km ESE of Funaishikawa, Japan · 3159 days ago · 46 km deep · 69 km away · felt by 2
  3. 4.210 km ESE of Kitaibaraki, Japan · 3163 days ago · 51 km deep · 59 km away · felt by 3
  4. 4.595 km ESE of Namie, Japan · 3168 days ago · 24 km deep · 69 km away
  5. 4.843 km E of ?arai, Japan · 3170 days ago · 47 km deep · 61 km away · felt by 5
  6. 4.420 km E of Namie, Japan · 3176 days ago · 55 km deep · 84 km away · felt by 1
  7. 4.532 km SE of Hitachi, Japan · 3177 days ago · 24 km deep · 63 km away · felt by 6

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000d4nn. Read Mon, Oct 5, 2026, 1:56 PM UTC.