M 5.3 – 11 km SE of Okunoya, Japan
- 2020-05-31 21:02:10 (UTC)
- 36.217°N 140.510°E
- 90.3 km depth
The depth is 90km, quite deep. But the seismogram shows Explosion rather than Earthquake.
If you cannot find P waves, it should NOT earthquake.
Underground Explosion in Japan?
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Space Traveler in Alabama 