HC Deb 16 February 1938 vol 331 cc1863-4
18. Mr. Day

asked the First Lord of the Admiralty whether, on the report of ocean-bed earthquakes in an area roughly indicated by seismographic records, survey ships are or, if not, will be sent out to rechart depths for the safety of navigation?

The First Lord of the Admiralty (Mr. Duff Cooper)

His Majesty's surveying ships have been employed for this purpose in the past and, when circumstances warrant it, will be so employed in the future.

Mr. Day

On how many occasions have His Majesty's ships been sent out for this purpose?

Mr. Cooper

On three occasions in the last 25 years.