LDEO Seismology Research: Surface Wave Event Locations


Surface-wave event locations derived from Near Real Time Data

The map below show the locations of surface-wave sources identified by a systematic analysis of seismograms from the Global Seismographic Network and from other seismographic networks and stations. The figure shows the detections for the last week and is updated a few times daily.

Link to recent NEIC locations



     2021  9 19  4 24  0.0  -13.25  167.25 33.0  5.0  VANUATU ISLANDS                 
     2021  9 19  0 19 12.0  -19.75 -175.25 33.0  5.1  TONGA ISLANDS                   
     2021  9 18 20 47 12.0  -10.25  148.25 33.0  5.4  EASTERN NEW GUINEA REG., P.N.G. 
     2021  9 18 18 29  4.0   -7.75  128.75 33.0  4.9  BANDA SEA                       
     2021  9 18 17 13  4.0  -10.75  162.25 33.0  4.9  SOLOMON ISLANDS                 
     2021  9 18 15 47 20.0  -49.75  119.75 33.0  5.0  WESTERN INDIAN-ANTARCTIC RIDGE  
     2021  9 18 14 44  0.0   13.50  -89.50 33.0  5.1  EL SALVADOR                     
     2021  9 18 10 29 36.0  -24.50 -115.50 33.0  4.8  SOUTHERN EAST PACIFIC RISE      
     2021  9 18  0 56 24.0  -15.50 -173.50 33.0  5.2  TONGA ISLANDS                   
     2021  9 17 22  6 56.0   38.50   73.50 33.0  4.9  TAJIKISTAN-XINJIANG BORDER REG. 
     2021  9 17 19 36  8.0   48.25  154.25 33.0  4.9  KURIL ISLANDS                   
     2021  9 17 19 12  8.0   29.75   69.25 33.0  5.1  PAKISTAN                        
     2021  9 17 18 45  4.0  -10.75  162.25 33.0  5.2  SOLOMON ISLANDS                 
     2021  9 17 16 50 48.0  -28.25 -177.75 33.0  5.4  KERMADEC ISLANDS REGION         
     2021  9 17 16 20 40.0  -28.50 -177.50 33.0  4.9  KERMADEC ISLANDS REGION         
     2021  9 17 13 23 28.0   -2.75  147.75 33.0  5.1  ADMIRALTY ISLANDS REGION, P.N.G.
     2021  9 17 10 48 16.0  -13.75  167.25 33.0  5.1  VANUATU ISLANDS                 
     2021  9 17 10 28 48.0  -13.25  167.25 33.0  5.8  VANUATU ISLANDS                 
     2021  9 17  6 59 36.0  -13.00  -15.00 33.0  4.8  SOUTHERN MID-ATLANTIC RIDGE     
     2021  9 17  3  4 48.0  -36.75   78.25 33.0  5.2  MID-INDIAN RIDGE                
     2021  9 17  0  5  4.0  -10.75  162.25 33.0  5.0  SOLOMON ISLANDS                 
     2021  9 16 23  5 12.0   55.25 -156.25 33.0  5.2  SOUTH OF ALASKA                 
     2021  9 16 22 45 52.0   17.50  -95.50 33.0  4.9  OAXACA, MEXICO                  
     2021  9 16 17 52  0.0   55.25 -156.25 33.0  5.5  SOUTH OF ALASKA                 
     2021  9 16 14 29  4.0  -67.00  109.00 33.0  4.9  ANTARCTICA                      
     2021  9 16  9 42 32.0   37.75  137.75 33.0  5.1  NEAR WEST COAST OF HONSHU, JAPAN
     2021  9 16  4 58 40.0  -60.00  -26.00 33.0  5.2  SOUTH SANDWICH ISLANDS REGION   
     2021  9 16  4 26 56.0  -27.25 -179.75 33.0  4.9  KERMADEC ISLANDS REGION         
     2021  9 16  1 20 48.0  -56.75  -35.75 33.0  5.1  SOUTH GEORGIA ISLAND REGION     
     2021  9 16  0  6 16.0  -27.75 -177.75 33.0  5.1  KERMADEC ISLANDS REGION         
     2021  9 15 22 31 36.0   14.75  -93.25 33.0  4.9  NEAR COAST OF CHIAPAS, MEXICO   
     2021  9 15 20 33 36.0   29.25  105.75 33.0  5.8  SICHUAN, CHINA                  
     2021  9 15 20 14 56.0  -28.25 -177.75 33.0  5.5  KERMADEC ISLANDS REGION         
     2021  9 15 13 47 36.0   30.75  139.75 33.0  4.8  SOUTHEAST OF HONSHU, JAPAN      
     2021  9 15 12 44 24.0  -28.00 -178.00 33.0  5.1  KERMADEC ISLANDS REGION         
     2021  9 15 10 22 56.0  -58.25  -22.75 33.0  5.2  SOUTH SANDWICH ISLANDS REGION   
     2021  9 15  9 36 40.0   -1.25  -15.75 33.0  5.3  NORTH OF ASCENSION ISLAND       
     2021  9 15  8 46 56.0  -32.75  -72.25 33.0  5.0  OFF COAST OF CENTRAL CHILE      
     2021  9 15  8  8 32.0  -59.75  -26.25 33.0  5.0  SOUTH SANDWICH ISLANDS REGION   
     2021  9 15  4 43 12.0  -59.00  -23.00 33.0  5.0  SOUTH SANDWICH ISLANDS REGION   
     2021  9 15  3 31 28.0  -58.75  -26.75 33.0  5.3  SOUTH SANDWICH ISLANDS REGION   
     2021  9 15  0 49 52.0    1.25  122.25 33.0  5.1  MINAHASSA PENINSULA, SULAWESI   
     2021  9 14 23 44 24.0  -10.75  165.75 33.0  5.1  SANTA CRUZ ISLANDS              
     2021  9 14 20 13 52.0    2.50   95.50 33.0  5.3  OFF W COAST OF NORTHERN SUMATRA 
     2021  9 14 19 57 36.0   53.75  162.25 33.0  5.0  OFF EAST COAST OF KAMCHATKA     
     2021  9 14 10 28 24.0  -14.75 -173.75 33.0  5.1  SAMOA ISLANDS REGION            
     2021  9 14  5 56 40.0   64.50 -146.50 33.0  5.0  CENTRAL ALASKA                  
     2021  9 14  5  8  8.0   -2.75  147.25 33.0  5.1  ADMIRALTY ISLANDS REGION, P.N.G.
     2021  9 14  3 54  0.0   -2.75  147.25 33.0  5.1  ADMIRALTY ISLANDS REGION, P.N.G.
     2021  9 13 17 18 32.0   -3.25  147.25 33.0  4.9  BISMARCK SEA                    
     2021  9 13 16 22 56.0   -2.75  147.25 33.0  5.2  ADMIRALTY ISLANDS REGION, P.N.G.
     2021  9 13 14 11 36.0  -60.50  -26.50 33.0  4.9  SOUTH SANDWICH ISLANDS REGION   
     2021  9 13 10 41 28.0   24.25  120.25 33.0  5.1  TAIWAN                          
     2021  9 13  5 18 24.0  -24.25  -67.25 33.0  6.0  CHILE-ARGENTINA BORDER REGION   
     2021  9 13  4  2 32.0   37.00   59.00 33.0  5.2  TURKMENISTAN-IRAN BORDER REGION 
     2021  9 13  2 34  0.0  -60.50  -26.50 33.0  5.0  SOUTH SANDWICH ISLANDS REGION   
     2021  9 12 22 57  4.0   12.25  143.75 33.0  5.1  SOUTH OF MARIANA ISLANDS        
     2021  9 12 17  3 12.0   53.75 -163.25 33.0  4.8  UNIMAK ISLAND REGION, ALASKA    
     2021  9 12 11 57 44.0  -15.25 -173.75 33.0  5.0  TONGA ISLANDS                   
     2021  9 12  9 32 48.0   15.25  -93.75 33.0  4.8  NEAR COAST OF CHIAPAS, MEXICO   
     2021  9 12  9  2 24.0   -0.50   99.50 33.0  5.0  SOUTHERN SUMATRA, INDONESIA     
     2021  9 12  2 57 44.0  -12.75  166.25 33.0  5.4  SANTA CRUZ ISLANDS              
Created 2021-09-19
Göran Ekström, Department of Earth and Environmental Sciences, Columbia University