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  8  3  8 30 40.0  -53.00   19.00 33.0  5.4  SOUTHWEST OF AFRICA             
     2021  8  3  6 42 56.0  -52.75   18.75 33.0  5.5  SOUTHWEST OF AFRICA             
     2021  8  3  3 42 48.0    8.25   93.75 33.0  6.2  NICOBAR ISLANDS, INDIA REGION   
     2021  8  3  1 51 20.0    8.00   94.00 33.0  5.3  NICOBAR ISLANDS, INDIA REGION   
     2021  8  2 22 48 56.0   -3.25  100.25 33.0  5.9  SOUTHERN SUMATRA, INDONESIA     
     2021  8  2 21 39 44.0   32.25   60.75 33.0  4.8  NORTHERN AND CENTRAL IRAN       
     2021  8  2 15 35 28.0   36.25  141.75 33.0  4.8  NEAR EAST COAST OF HONSHU, JAPAN
     2021  8  2 15  4 24.0    1.75  127.75 33.0  5.1  HALMAHERA, INDONESIA            
     2021  8  2  5  1 20.0   -4.25  134.25 33.0  6.2  IRIAN JAYA REGION, INDONESIA    
     2021  8  2  3 29  4.0   44.25  147.75 33.0  5.4  KURIL ISLANDS                   
     2021  8  2  3 28 32.0  -47.25  -10.75 33.0  5.0  SOUTHERN MID-ATLANTIC RIDGE     
     2021  8  2  1 27 44.0  -30.25 -178.25 33.0  5.6  KERMADEC ISLANDS, NEW ZEALAND   
     2021  8  1 22 18  8.0   -8.25  -74.25 33.0  4.9  PERU-BRAZIL BORDER REGION       
     2021  8  1 13  4 56.0  -38.25  176.25 33.0  5.0  NORTH ISLAND, NEW ZEALAND       
     2021  8  1 13  3 12.0   62.75  -25.25 33.0  5.2  ICELAND REGION                  
     2021  8  1 12  6 32.0   62.50  -25.50 33.0  5.0  ICELAND REGION                  
     2021  8  1 10 40 24.0   62.50  -25.50 33.0  5.5  ICELAND REGION                  
     2021  8  1 10 31 52.0   62.75  -25.75 33.0  4.8  ICELAND REGION                  
     2021  8  1 10 24  0.0   62.50  -25.50 33.0  4.8  ICELAND REGION                  
     2021  8  1  9 16 40.0   37.25   70.75 33.0  4.8  AFGHANISTAN-TAJIKISTAN BORD REG.
     2021  8  1  9 14 32.0   36.25   26.75 33.0  4.9  DODECANESE ISLANDS, GREECE      
     2021  8  1  8 37 28.0   35.75   26.75 33.0  4.9  CRETE, GREECE                   
     2021  8  1  8 10 32.0   62.50  -25.50 33.0  4.8  ICELAND REGION                  
     2021  8  1  4 31 28.0   35.75   26.75 33.0  5.9  CRETE, GREECE                   
     2021  8  1  1 50 56.0    4.25  -78.75 33.0  4.9  SOUTH OF PANAMA                 
     2021  8  1  1 25 52.0   62.50  -25.50 33.0  5.3  ICELAND REGION                  
     2021  8  1  1  1  4.0   62.50  -25.50 33.0  4.8  ICELAND REGION                  
     2021  8  1  0 55 36.0   62.75  -25.25 33.0  5.3  ICELAND REGION                  
     2021  8  1  0 51 12.0   62.75  -25.25 33.0  5.2  ICELAND REGION                  
     2021  8  1  0 33 44.0   62.50  -25.50 33.0  5.0  ICELAND REGION                  
     2021  8  1  0 18 24.0   62.75  -25.25 33.0  4.9  ICELAND REGION                  
     2021  7 31 23 59 44.0   31.75  -40.75 33.0  4.8  NORTHERN MID-ATLANTIC RIDGE     
     2021  7 31 23 59 44.0   32.25  -40.25 33.0  4.7  NORTHERN MID-ATLANTIC RIDGE     
     2021  7 31 23 25 44.0   35.75   26.75 33.0  4.8  CRETE, GREECE                   
     2021  7 31 21 19 12.0   30.25 -109.25 33.0  5.3  SONORA, MEXICO                  
     2021  7 31 19 58  0.0   36.25   26.75 33.0  5.0  DODECANESE ISLANDS, GREECE      
     2021  7 31 15 39 20.0   27.75 -111.75 33.0  5.7  GULF OF CALIFORNIA              
     2021  7 31 12 14 24.0  -32.75  -71.75 33.0  4.9  NEAR COAST OF CENTRAL CHILE     
     2021  7 31  8  5 20.0  -15.75  166.25 33.0  4.9  VANUATU ISLANDS                 
     2021  7 31  5 26  8.0   43.50  141.50 33.0  5.1  HOKKAIDO, JAPAN REGION          
     2021  7 31  1 30  0.0   80.25  119.75 33.0  4.7  EAST OF SEVERNAYA ZEMLYA        
     2021  7 31  0 31 52.0   75.50  135.50 33.0  4.8  NEW SIBERIAN ISLANDS, RUSSIA    
     2021  7 30 22 39 44.0  -27.25 -114.25 33.0  5.1  EASTER ISLAND REGION            
     2021  7 30 22 39 28.0  -17.00 -173.00 33.0  5.1  TONGA ISLANDS                   
     2021  7 30 22 11 36.0   55.25 -154.25 33.0  4.9  SOUTH OF ALASKA                 
     2021  7 30 17 10 16.0   -5.00  -81.00 33.0  6.2  NEAR COAST OF NORTHERN PERU     
     2021  7 30  3 52  8.0   55.50 -157.50 33.0  5.4  ALASKA PENINSULA                
     2021  7 29 20 56  0.0  -35.75 -111.75 33.0  5.6  SOUTHERN EAST PACIFIC RISE      
     2021  7 29  6 16  0.0   55.75 -159.25 33.0  7.6  ALASKA PENINSULA                
     2021  7 29  5  0 56.0  -54.25  159.25 33.0  5.4  MACQUARIE ISLAND REGION         
     2021  7 29  3 52 40.0  -13.25  165.25 33.0  5.0  VANUATU ISLANDS                 
     2021  7 29  0 32  8.0   -8.25  -79.75 33.0  5.8  NEAR COAST OF NORTHERN PERU     
     2021  7 28 19 24  8.0   34.75   90.75 33.0  4.7  QINGHAI, CHINA                  
     2021  7 28 14  7  4.0  -63.75  173.25 33.0  5.1  BALLENY ISLANDS REGION          
     2021  7 28 11  6 16.0  -41.75  -16.25 33.0  5.3  SOUTHERN MID-ATLANTIC RIDGE     
     2021  7 28  0 24  0.0   25.75 -110.25 33.0  4.7  GULF OF CALIFORNIA              
     2021  7 27 22 12 16.0   64.75  -17.25 33.0  5.4  ICELAND                         
     2021  7 27 16 22  0.0   -8.25  112.25 33.0  4.9  JAVA, INDONESIA                 
     2021  7 27 16 18 40.0   56.50  -34.50 33.0  4.8  REYKJANES RIDGE                 
     2021  7 27 15 39 52.0   56.25  -34.25 33.0  4.7  REYKJANES RIDGE                 
     2021  7 27 11 18 24.0   -6.25  -11.25 33.0  4.8  ASCENSION ISLAND REGION         
     2021  7 27  6 18  8.0   85.75  116.25 33.0  4.7  NORTH OF SEVERNAYA ZEMLYA       
Created 2021-08-03
Göran Ekström, Department of Earth and Environmental Sciences, Columbia University