M5.6 earthquake 6 km ENE of Kasukabe, Japan
A magnitude 5.6 earthquake struck 6 km ENE of Kasukabe, Japan on Sun, Aug 4, 1974, 3:16 AM JST (18:16 UTC), 58 km (36 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.6 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1974-08-03 18:16:34 UTC
- Depth
- 58.0 km (36.0 mi), shallow
- Epicenter
- 35.999° N, 139.819° E
- Region
- Japan
- Strongest shaking
- V, moderate shaking
- 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 |
|---|---|---|---|
| 5.6 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.72 | Mw, moment | ISC-GEM global catalog | Final · ±0.36 |
Deaths and damage
From NOAA NCEI’s Significant Earthquake Database (record 4664), matched to this event by time and place.
- Deaths
- 2
- Injuries
- 17
- Damage
- Moderate (about $1 to $5 million)
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- V, moderate shaking
- Peak ground acceleration
- 5.4% of gravity
- Peak ground velocity
- 1.1 cm/s
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Stations used
- 113
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.6 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.34 km SE of Ishige, Japan · 19054 days ago · 57 km deep · 19 km away
- 3.64 km SW of Ishige, Japan · 19025 days ago · 60 km deep · 14 km away
- 4.56 km W of Funaishikawa, Japan · 18998 days ago · 70 km deep · 79 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00007fr (also filed as iscgem738305, atlas19740803181635). Read Sat, Oct 3, 2026, 8:20 PM UTC.