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



     2023  3 27 22 19 20.0   -8.25  159.25 33.0  6.2  SOLOMON ISLANDS                 
     2023  3 27 18 20 40.0   -0.75   28.75 33.0  4.8  DEMOCRATIC REPUBLIC OF CONGO    
     2023  3 27 16 21 12.0  -44.75  -82.25 33.0  5.0  WEST CHILE RISE                 
     2023  3 27  9 24 40.0   -8.50  159.50 33.0  4.8  SOLOMON ISLANDS                 
     2023  3 27  5 25 20.0   49.75 -177.75 33.0  4.7  SOUTH OF ALEUTIAN ISLANDS       
     2023  3 27  2 53 44.0  -22.75  172.25 33.0  4.8  SOUTHEAST OF LOYALTY ISLANDS    
     2023  3 27  0 45  4.0    5.00  125.00 33.0  4.7  MINDANAO, PHILIPPINES           
     2023  3 26 18 40  0.0   -7.50  130.50 33.0  5.1  TANIMBAR ISLANDS REG., INDONESIA
     2023  3 26 15  4 24.0   38.25  141.75 33.0  5.1  NEAR EAST COAST OF HONSHU, JAPAN
     2023  3 26 11 39 12.0  -25.50  -69.50 33.0  4.9  NORTHERN CHILE                  
     2023  3 26 10 43 52.0   -7.50  130.50 33.0  5.1  TANIMBAR ISLANDS REG., INDONESIA
     2023  3 26  0  2 56.0  -21.25  -68.75 33.0  5.3  CHILE-BOLIVIA BORDER REGION     
     2023  3 25 23 29  4.0  -17.75  168.25 33.0  5.0  VANUATU ISLANDS                 
     2023  3 25 21 55 36.0  -16.25 -174.25 33.0  4.9  TONGA ISLANDS                   
     2023  3 25 19 34 32.0    7.25  -34.25 33.0  5.3  CENTRAL MID-ATLANTIC RIDGE      
     2023  3 25 19 13 28.0   32.25   47.25 33.0  4.7  IRAN-IRAQ BORDER REGION         
     2023  3 25 13 57 44.0   33.50  -39.50 33.0  4.7  NORTHERN MID-ATLANTIC RIDGE     
     2023  3 25  9 58 40.0  -21.25  173.25 33.0  5.0  VANUATU ISLANDS REGION          
     2023  3 24  7 25 44.0   36.25  140.25 33.0  4.9  NEAR EAST COAST OF HONSHU, JAPAN
     2023  3 24  4 38  8.0   30.25  141.75 33.0  4.9  SOUTHEAST OF HONSHU, JAPAN      
     2023  3 24  4 25 36.0   29.75  141.75 33.0  5.3  SOUTHEAST OF HONSHU, JAPAN      
     2023  3 24  3 16 56.0   38.25   44.25 33.0  5.5  TURKEY-IRAN BORDER REGION       
     2023  3 24  0 39 52.0   37.75   36.25 33.0  4.7  TURKEY                          
     2023  3 23  9 19 52.0   37.75   36.25 33.0  5.4  TURKEY                          
     2023  3 23  5 52 24.0  -10.50  164.50 33.0  5.1  SANTA CRUZ ISLANDS REGION       
     2023  3 23  3 37 52.0  -42.75  -83.25 33.0  4.9  WEST CHILE RISE                 
     2023  3 23  2 56 48.0  -43.25  -82.75 33.0  5.2  WEST CHILE RISE                 
     2023  3 23  1 43 20.0   40.25   20.75 33.0  4.9  GREECE-ALBANIA BORDER REGION    
     2023  3 23  0 17 44.0   -4.50  144.50 33.0  5.7  NEAR N COAST OF NEW GUINEA, PNG.
     2023  3 22 23 32  0.0   19.25  121.75 33.0  5.6  PHILIPPINE ISLANDS REGION       
     2023  3 22 20  7 44.0   39.50   69.50 33.0  6.0  TAJIKISTAN                      
     2023  3 22 16  0 48.0  -23.50  -66.50 33.0  6.2  JUJUY PROVINCE, ARGENTINA       
     2023  3 22 15 19  4.0  -23.75  -65.75 33.0  5.1  JUJUY PROVINCE, ARGENTINA       
     2023  3 22 14 16 48.0  -30.25 -176.75 33.0  5.3  KERMADEC ISLANDS REGION         
     2023  3 22  7 37  4.0   40.25  142.75 33.0  5.6  NEAR EAST COAST OF HONSHU, JAPAN
     2023  3 22  4 28 24.0    6.75  125.75 33.0  4.8  MINDANAO, PHILIPPINES           
     2023  3 22  2 25 28.0  -59.75  -26.75 33.0  5.0  SOUTH SANDWICH ISLANDS REGION   
     2023  3 21 20 46 56.0   28.75  -43.75 33.0  5.4  NORTHERN MID-ATLANTIC RIDGE     
     2023  3 21 20 41 12.0   28.75  -43.75 33.0  5.6  NORTHERN MID-ATLANTIC RIDGE     
     2023  3 21 16 47 28.0   36.25   70.75 33.0  6.4  HINDU KUSH REGION, AFGHANISTAN  
     2023  3 21  8 15 28.0   -3.50  149.50 33.0  4.8  BISMARCK SEA                    
     2023  3 21  8  0  8.0   -3.25  149.25 33.0  5.3  BISMARCK SEA                    
     2023  3 21  5  1  4.0   -3.50  151.50 33.0  4.9  NEW IRELAND REGION, P.N.G.      
     2023  3 21  1 45 28.0   23.75  121.25 33.0  5.3  TAIWAN                          
     2023  3 21  1 44 16.0    9.75  -84.25 33.0  5.6  COSTA RICA                      
     2023  3 21  0 20 16.0   39.25   21.75 33.0  4.7  GREECE                          
Created 2023-03-28
Göran Ekström, Department of Earth and Environmental Sciences, Columbia University