with a Japanese Earthquake. 



581 



below, I am indebted to the kindness of Prof. W. D. Alexander, 

 ■ Surveyor-General of the (then) Hawaiian Government Survey, 

 of Mr. T. Pi. Walker, British Vice-Consul at Honolulu, and 

 of Mr. W. W. Duffield, Superintendent of the U.S. Coast and 

 Geodetic Survey. 



Fie. 1. 



Honolulu (lat. 21° 5' K, long. 158° 0' W.).— The tide- 

 gauge at this station is one of the Stierle pattern and has 

 been in operation since 1891. The tide-gauge house is on 

 the Esplanade, north-east of the Oceanic Co/s wharf, where 

 a well was sunk in solid ground to a point below the lowest 

 iides, and connected with the sea by a large horizontal pipe. 

 The scale of the diagram is one inch per hour for the 

 horizontal coordinate, and one inch per foot for vertical dis- 

 placement. The time is mean local time. 



Prof. Alexander writes that " the earthquake-waves were 

 very slightly ielt on Oahu and Maui, were more pronounced 

 at Kauai, and reached their maximum on the north coast of 

 Hawaii, The sea rose at Kailua and Keauhou in Kona, 

 Hawaii, eight feet above ordinary high-watyr mark, flooding 



