Yonozu
Seen to fall in 1837 in Japan · 32 kg recovered · H4/5
Yonozu is the third-heaviest of the 42 falls recorded in Japan. It is the earliest of the six H4/5 falls. It recovered the most mass of the 21 falls dated to the 1830s.
- Group
- H chondrites
- Recorded position
- 37.750° N, 139.000° E
The map is centred on Yonozu. Rings every 100 km; numbers match the table below.
Nearest recorded falls
The closest recorded fall to Yonozu is Kushiike, 95 km to the south-west. Within 250 km lie 12 other recorded falls.
| # | Fall | Year | Class | Recovered | Distance |
|---|---|---|---|---|---|
| 1 | Kushiike | 1920 | Ordinary chondrite | 4.5 kg | 95 km south-west |
| 2 | Nagai | 1922 | L6 | 1.8 kg | 102 km north-east |
| 3 | Kijima (1906) | 1906 | Unclassified stone | 331 g | 114 km south-west |
| 4 | Otomi | 1867 | H | 6.5 kg | 139 km north-east |
| 5 | Okabe | 1958 | H5 | 194 g | 175 km south |
| 6 | Tomiya | 1984 | H4/5 | 28 g | 177 km north-east |
What H4/5 means
H4/5 is the label for an ordinary chondrite with high total iron, petrologic type 4 or 5 (between the two). By recovered mass Yonozu ranks fourth of the 6 H4/5 falls. The nearest other H4/5 fall is Tomiya in Japan, 177 km away. In date order among H4/5 falls, the one after is Gursum (1981, Ethiopia).
Yonozu in Japan’s record
In date order Yonozu is number 6 of the 42 falls recorded in Japan, which run from 860 to 2003. The fall recorded before Yonozu in Japan is Hachi-oji (1817); the next is Kesen (1850).