28977306.pdf

PROJECT 10073 RECORD CARD

|  1. DATE | 1 March 1958 | 2. LOCATION | Kunashiri Island, Japan  |
| --- | --- | --- | --- |
|  3. DATE-TIME GROUP | Local 2034, 2103 CMT 01/1134Z, 1203Z | 4. TYPE OF OBSERVATION | Ground-Visual ☐ Ground-Rodor Air-Visual ☐ Air-Intercept Rodor  |
|  5. PHOTOS | ☐ Yes ☑ No | 6. SOURCE | Civilian  |
|  7. LENGTH OF OBSERVATION | 1. 10 minutes 2. 20 minutes | 8. NUMBER OF OBJECTS | one ea time not reported  |
|  10. BRIEF SUMMARY OF SIGHTING |   | 11. COMMENTS  |   |
|  1) Luminous body that disappeared after ten minutes at an altitude of 2,000 m. Color not determined.…

Country: Japan/USSR
Subject: Luminous Sightings off the Hokkaido Coast
Source: Maritime Safety Board
Preparing Officer: Anthony M. Pereira, Capt. USAF
Set 1/1, Card 1/3

Info Spec: DE/nd
Distr: AE4g/4F3-3 cys/4Bla
Summary:
1. The information contained in this report was obtained from Mr. Noboru ITO, Chief of the Aviation Administration Section and Mr. Toru SAHARA, Chief of the No. 2 Security Section, MARITIME SAFETY BOARD, as reported to them by Japanese fishermen off the HOKKAIDO Coast.
2. This report contains information on three luminous sightings of unknown origin.

LUMINOUS SIGHTINGS OFF …

Set 1/1, Card 2/3 Japan/USSR MC #: None 7
Rpt #: IR-1886-58 5

6004th AISS, visited Noboru ITO, Chief of the Aviation Administration Section and Toru SAHARA, Chief of the No. 2 Security Section, MARITIME SAFETY BOARD (MSA) for information on an alleged explosion off the SIBERIAN coast on 19 February 1958.

2. Recently, three unknown luminous sightings were made off the coast of HOKKAIDO by fishermen and reported to MSA. MSA has recorded these incidents but will not investigate the matter further. In each instance the sighting was made at night. There is no report indicating an explosion off th…

Set 1/1, Card 3/3 Japan/USSR
MC #: None 7
Rpt #: IR-1886-58 5

COMMENTS OF THE PREPARING OFFICER:

5. At approximately 0959 hours (JST) on 19 February 1958 an unknown phenomena, believed to have been an explosion, was detected at 4430N/13730E at a US radar site in JAPAN. The phenomena lasted approximately two hours. This office checked with the Meteorological Agency for barometric or seismic data on the premise that an explosion was detonated. It was learned that there were no barometric or seismic changes indicative of an explosion at the above time. Negative information was also obtained fro…