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  9 22 16 33 28.0   31.25  141.75 33.0  5.0  SOUTHEAST OF HONSHU, JAPAN      
     2023  9 22 16 19 36.0  -14.25  166.75 33.0  5.1  VANUATU ISLANDS                 
     2023  9 22 14 59 20.0   -7.25  130.25 33.0  5.6  TANIMBAR ISLANDS REG., INDONESIA
     2023  9 22 13 57 12.0   -6.25  -11.75 33.0  5.0  ASCENSION ISLAND REGION         
     2023  9 22  9  4 40.0   55.25 -159.75 33.0  4.9  ALASKA PENINSULA                
     2023  9 22  8  1 52.0    1.75 -101.75 33.0  4.8  GALAPAGOS TRIPLE JUNCTION REGION
     2023  9 22  1 11 52.0   -3.50  152.50 33.0  5.1  NEW IRELAND REGION, P.N.G.      
     2023  9 22  0 46 56.0   31.75  142.25 33.0  4.8  SOUTHEAST OF HONSHU, JAPAN      
     2023  9 21 21 22 16.0   31.25  141.75 33.0  5.7  SOUTHEAST OF HONSHU, JAPAN      
     2023  9 21 21 11 52.0  -14.25  166.75 33.0  6.0  VANUATU ISLANDS                 
     2023  9 21 15 20 32.0  -30.75 -178.25 33.0  5.6  KERMADEC ISLANDS, NEW ZEALAND   
     2023  9 21 12 48  8.0   58.25  -32.25 33.0  4.8  REYKJANES RIDGE                 
     2023  9 21 11 34  0.0  -17.75  176.25 33.0  4.9  FIJI ISLANDS REGION             
     2023  9 21 11 27 12.0  -17.50  176.50 33.0  4.9  FIJI ISLANDS REGION             
     2023  9 21  9 48 24.0   13.75  144.75 33.0  5.0  MARIANA ISLANDS                 
     2023  9 21  9 27  4.0  -17.50  176.50 33.0  4.9  FIJI ISLANDS REGION             
     2023  9 21  9 16 48.0  -18.25  176.25 33.0  4.9  FIJI ISLANDS REGION             
     2023  9 21  1 14  0.0   55.50 -159.50 33.0  5.5  ALASKA PENINSULA                
     2023  9 20 19 22 32.0  -44.75   35.75 33.0  5.8  PRINCE EDWARD ISLANDS REGION    
     2023  9 20 15 28 24.0   -4.75 -105.75 33.0  5.3  CENTRAL EAST PACIFIC RISE       
     2023  9 20 15  3 36.0   -4.75 -105.25 33.0  5.7  CENTRAL EAST PACIFIC RISE       
     2023  9 20 14 46  8.0   -4.75 -105.75 33.0  6.0  CENTRAL EAST PACIFIC RISE       
     2023  9 20 11  0 40.0  -22.50  172.50 33.0  4.8  SOUTHEAST OF LOYALTY ISLANDS    
     2023  9 20  9 32 40.0  -14.75  167.75 33.0  5.0  VANUATU ISLANDS                 
     2023  9 20  0 27 20.0  -37.25  -97.25 33.0  5.0  SOUTHEAST OF EASTER ISLAND      
     2023  9 19 22 17 52.0   31.25  142.25 33.0  5.2  SOUTHEAST OF HONSHU, JAPAN      
     2023  9 19 21 14 56.0  -43.75  170.75 33.0  5.6  SOUTH ISLAND, NEW ZEALAND       
     2023  9 19  6 22 40.0   31.25  142.25 33.0  5.8  SOUTHEAST OF HONSHU, JAPAN      
     2023  9 19  4 31 20.0  -58.25 -147.75 33.0  5.1  PACIFIC-ANTARCTIC RIDGE         
     2023  9 18 19 33 12.0   38.75  141.25 33.0  5.6  NEAR EAST COAST OF HONSHU, JAPAN
     2023  9 18 17  6  8.0  -55.75 -129.25 33.0  5.3  PACIFIC-ANTARCTIC RIDGE         
     2023  9 18 16 49 28.0  -55.75 -129.25 33.0  5.3  PACIFIC-ANTARCTIC RIDGE         
     2023  9 18 13 21 28.0   26.25  125.25 33.0  6.3  NORTHEAST OF TAIWAN             
     2023  9 18 11  2  8.0   13.00  121.00 33.0  4.9  MINDORO, PHILIPPINES            
     2023  9 18  6 24  8.0  -22.75   69.25 33.0  5.0  MID-INDIAN RIDGE                
     2023  9 18  3 10 16.0   44.25   11.75 33.0  5.5  NORTHERN ITALY                  
     2023  9 17 11 28 16.0   51.25 -130.75 33.0  5.8  QUEEN CHARLOTTE ISLANDS REGION  
     2023  9 17  9 59  4.0   50.75 -130.75 33.0  5.0  VANCOUVER ISLAND, CANADA REGION 
     2023  9 17  4  1 52.0  -29.75  -71.75 33.0  5.1  NEAR COAST OF CENTRAL CHILE     
     2023  9 16 19 42 16.0  -43.75   91.75 33.0  5.2  SOUTHEAST INDIAN RIDGE          
     2023  9 16 13 48  0.0  -13.75   66.25 33.0  5.7  MID-INDIAN RIDGE                
     2023  9 16  8 39 36.0   -6.25  151.25 33.0  4.9  NEW BRITAIN REGION, P.N.G.      
     2023  9 16  7 33 44.0  -50.25 -114.75 33.0  4.9  SOUTHERN EAST PACIFIC RISE      
     2023  9 16  5 44 56.0  -54.25    6.25 33.0  5.1  BOUVET ISLAND REGION            
     2023  9 15 18  7 44.0  -27.50  -72.50 33.0  5.6  OFF COAST OF NORTHERN CHILE     
     2023  9 15 13  2 24.0  -30.25 -177.75 33.0  4.8  KERMADEC ISLANDS, NEW ZEALAND   
     2023  9 15 11 44 40.0   13.50   50.50 33.0  4.8  EASTERN GULF OF ADEN            
     2023  9 15  2 37 44.0  -61.50  -23.50 33.0  5.0  SOUTH SANDWICH ISLANDS REGION   
Created 2023-09-22
Göran Ekström, Department of Earth and Environmental Sciences, Columbia University