SEARCH · Geology Reports
Search indexed USGS publications on groundwater, aquifers, geologic maps, mineral resources and earthquakes. Explore source records by subject and place.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
No major earthquakes (7.0-7.9) occurred during this reporting period. earthquake-rated deaths were reported from Italy, the Dominican Republic, and Yugoslavia. A number of earthquakes occurred in the United States but none caused casualties or any significant damage.
There were two major earthquakes (magnitude 7.0-7.9) during this reporting period, the first on March 19 in Uzbek SSR and the second in the Kuril Islands on March 24. Six deaths were reported during the period in Japan and Italy. In the United States a destructive earthquake occurred in central California on April 24. pennsylvania and several adjoining or nearby States were shaken by a light earthquake on April 23.
There were three major earthquakes (7.0-7.9) during this reporting period, but all were in sparsely populated areas. The first occurred on July 11 in the South Shetland Islands, the second in the Aegean Sea on August 6, and the third on August 17 in Kamchatka. Earthquake-related deaths from other quakes were reported from Costa Rica, Iran, Japan, Turkey, the Philippine Islands, and Sicily. In the United States, aftershocks continued in the Coalinga, California, area; the largest was a magnitude (M) 6.0 on July 21. A magntidue 6.3 earthquake occurred in southern Alaska on July 12.
The first major earthquake (7.0-7.9) of the year struck in teh Solomon Islands in the PacificOcean on February 7, causing damage but no casualties. Deaths were reported in Sulawesi, Afghanistan, Pakistan, and Japan. There were no significant earthquakes in the United States during this reporting period.
Seismically speaking the months of September and October were very quiet. There were no major (magnitude 7.0-7.9) earthquakes. Guatemala was struck by a moderate earthquake on September 29 causing fatalities and considerable damage. In the United States, a number of earthquakes occurred, but only slight damage was reported.
The months of November and December were quite active, seismically speaking, compared to the preceding months. The most devastating earthquake of the year occurred in Yemen on December 13 and killed hundreds of people. the largest earthquake of the year, a magnitude 7.7, occurred in the Pacific Tonga Islands on December 19. Again, a number of earthquakes occurred in the United States, but only minor damage was reported.
Explore the source record for details and available documents.
March and April were quite active with widespread deaths and damage from earthquakes. There were two major (magnitude 7.0-7.9) earthquakes, one in the New Ireland region and the other in Costa Rica. The most devastating earthquake occurred in Colombia. deaths from earthquakes also occurred in Iran, Costa Rica, and Peru. The United States experienced a number of earthquakes during this reporting period, but only slight damage was reported from some of the earthquakes.
During this reporting period, there were three major (7.0-7.9) earthquakes all in unpopulated areas. The quakes occurred north of Macquarie Island on July 7, in the Santa Cruz Islands on August 5, and south of Panama on August 19. In the United Stats, a number of earthquakes occurred, but no damage was reported.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
The first 2 months of the year were somewhat active, seismically speaking. Two major earthquakes (magnitude 7.0-7.9) occurred during the month of January, a magnitude 7.1 Japan on the 8th and a magntidue 7.1 in the Aleutian Islands on the 30th. Fatalities and damage were experienced in Irian Jaya (formerly West New Guinea) on January 19, in China on January 23, in Italy on February 14, and in Greece on February 24. In the United States, there were a number of earthquakes, the largest, a magnitude 7.1, in the Aleutian Islands, but none of the quakes caused injuries or serious damage.
The months of September and October were quite active, seismically speaking, compared to the previous 2 months. One great earthquake, a magnitude (M) 8.1, was centered in the West Irian region on September 12. Two major (M=7.0-7.9) earthquakes occurred, one on October 12, a M=7.3 off the west coast of South Island, New Zealand, and one on October 23, a M=7.2 in the Solomon Islands. Damaging earthquakes hit central Italy and Guatemala. In the United States, California experienced the strongest earthquake in that State since 1971. The quake, a M=6.8, occurred on October 15, in Baja California, Mexico, near the California border and caused injuries and damage.
Explore the source record for details and available documents.
Explore the source record for details and available documents.