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At spring(Apr.?), 1997(?) a "tatami" mat maker owner found a hole in the eaves of the warehouse.
He found a stone under the hole and picked it up.
Dr. S.Yoneda(National Science Museum, Tokyo) researched the stone and judged it as a meteorite in 2001.
The meteorite fell time was estimated at approximately 1985 from the meteorite analyzed results and the warehouse history.
A 4 cm length ordinary chondrite surface suggests fragmentation in a low height atmosphere.
Other fragments might fall around some km area.
Photographed at Towada Civic Culture Center at Aug.2002
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| Flat surface side. | Left upside was thought broken at impact. |
This side was thought broken high altitude. |
Right side was thought broken low altitude. |
Out focus. sorry! |
Meteorite surface rusted red-brown color therefore long time after fell
but it was shown typical meteorite surface characteristics.
The tetrahedron shape meteorite upper three sides have different characteristics.
This characteristic suggests that intermittent fragmentation was experienced
at ablation on passing through the Earth's atmosphere.
The meteorite bottom side could not be seen.
Photographed at Aug.,2002.
The eaves height was about 3-4 m, and which upside was made of steel and downside tatami material.
The hole shape was just the same as the meteorite shape.
Link
Towada civic culture center : Meteorite was photographed here.