...RANDALL L. MOORY; ROBERT H. OSBORNE Abstract Balboa Island was created from 1929 to 1935 by filling a sand shoal with dredge spoil from associated channels and berth areas in Lower Newport Bay. This east-trending island is approximately 1,160 m long and 460 m wide, and is protected by concrete...

... a.m., and the second at 7 : 29 a.m. USCGSSF Balboa, Orange County, California, January 7, 1934An earthquake of intensity I V - V was felt in Balboa at 6 : 12 a.m. on January 7th. USCGSSF Montebello, Los Angeles County, California, Janua,7 9, 1934.~An earthquake of intensity IV-V, causing windows...

... permission. Almirante is situated on Almirante Bay, on the north side of Panama and I75 miles west of Colon, in latitude N. 9 ° 3° ' and longi- tude W. 82 ° 3o'. Bocas del Toro is on an island at the entrance of the bay, and about six miles east by north from Almirante. The O. M. T. of the shocks...

... were in- stalled on Juarapo Island at Gatun in April, 1911. It was found that the records in this location so nearly checked those of the 100-K at Ancon that the expense of two observers was not warranted, and the 25-K instruments were installed at Ancon in February, 1914. In Oc- tober, 1914, both sets...

... seconds, was felt in Los Angeles at 2 : 18 a.m. on October 9th. USCGSSF Balboa, Orange County, California, October 11, 1933At 10:09 p.m. on October llth, an earthquake of intensity V-VI was felt in Bal- boa. The shock was strictly local and was accompanied by a loud rumbling. USCGSSF Lomita~ Los Angeles...

....~The Isthmus of Panama was shaken at 10:44 p.m. on March 7th by an earthquake lasting forty-five seconds. S,eismological Despatches from Georgetown University state that the epicenter of the earthquake has been established as about sixty miles northeast of Balboa, in the neighborhood of the San Blas Islands...

... NOTES 479 Off south coast of Panama, March 28, 1960, 00h13m38 ' GCT, 7 ~ ° N, 82° W. Felt: Balboa Heights and Coiba Island (USCGS). Magnitude 61~-6~ (Pas), 6~-6~ (Berk). New Zealand, March 28, 1960. A series of minor earthquakes shook New Zealand's two main islands, but no maior damage was reported...

...), 7 (Brk). Felt: Balboa Heights. New Hebrides Islands, July 27, 1962, 06hllm55.3~GCT, 14.8°S, 167.6°E, focal depth about 205 kin. (USCGS). Felt: Santo. Samoa Islands region, July 28, 1962, 00h05ml0.8~GCT, 16.2°S, 173.2°W, focal depth about 40 kin. (USCGS). Felt: Apia. New coast of Chiapas, Mexico...

.... (An earlier installation was inaugurated in the University in 1880.) Operated from 191I to 1914. Registration restmaed in i940. (Keeling Islands.) Destroyed by the German cruiser "Emden" on November 9, 1914, and never replaced. See Balboa Heights. Reported in 1921 "to be installed." Discontinued in 1915...

... OF THE SEISMOLOGICAL SOCIETY OF AMERICA Balboa, Canal Zone, June 27, 1931Press reports state that an earthquake strong enough to awaken sleepers was felt in Balboa at 5 : 05 a.m. on June 27th. No damage was caused by the earthquake. Richmond, California, June 28, 1931An earthquake of brief dura- tion shook Richmond...

... the surface projections of their points of reflection are as follows: Balboa, Panama Gulf of Mexico near Mexico-Texas border Caracas, Venezuela Gulf of Mexico Kongsberg, Norway Fox Island, the southwestern part of Baffin Island Aquila, Italy Southern tip of Greenland PcP FROM BILBY EXPLOSION 451 Considering...

...D. T. 290 BULLETIN OF TI-IE SEISMOLOGICAL SOCIETY OF AMERICA Near north coast of New Guinea, April 7, 1957, 10hl4m08 ', GCT, 1° S, 137½ ° E (USCGS). Magnitude 6-6~ (Pus). Panama-Costa Rica border, April 8, 1957, 201~18m09s, GCT, 8½ ° N, 83° W (USCGS). Mag- nitude 6½ (Pus). Felt in Balboa Heights...

... at 11:15 P.M. in Eagle Rock, Glendale, Montrose, and parts of Los Angeles. Balboa, Canal Zone, May 6, 1936A sharp earthquake about 3:25 A.M.sent many residents rushing into the streets. Manila, Philippine Islands, May 7, 1936At 5:13 A.M.a sharp earthquake of 15 seconds' duration was felt. No damage...

... Copyright © 1930, by the Seismological Society of America SEISMOLOGICAL NOTES 237 SEISMOLOGICAL NOTES Queen Charlotte Islands, July 1, 1930The United States Coast and Geodetic Survey, in co-operation with Science Service and the Jesuit Seismological Association, reports an earthquake...

..., which include ten principal stations throughout the area of Russia and Siberia and a large number of secondary stations in regions subject to earthquake. Of special in- terest are included one in Vladivostok and one in the Comandorski Islands west of the Aleutian group. Dr. Roth6, Director...

... was reported. SDGU Hawaiian Islands, October 21, 1933An earthquake was felt on the Hawaiian Islands 200 miles south of Honolulu on October 21st. No damage was caused. Los Angeles , California, October 24, 1933Two earthquakes oc- curring at 11:01 and 11:03 p.m. on October 24th were felt in Los Angeles...

... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197 Athens, Greece . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193, 194 298 BULLETIN OF THE SEIS~IOLOGICAL SOCIETY OF AMERICA Avignon, France PAGE Baker, Oregon 195 114 Bakersfield, California 194, 199 261 Balboa, Panama 55 Barcelona, Spain 259 52, 115 Basra, Asiatic...

... Wilmington, N. C 147° Puerto Deseado, Argentina 331° Nassau, Bahamas 144° 355° South PacfficOcean North PacificOcean 167° 351° 156° Valpariso, Chile 8° Balboa, Canal Zone . . . . . . . . . . . 168° Cairn's Head, Australia 46° San Francisco, Calif 159° Auckland, New Zealand Yokahama, Japan Cebu, Philippine...