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 10 19 23 30  8.0   50.25  178.25 33.0  4.8  RAT ISLANDS, ALEUTIAN ISLANDS   
     2021 10 19 20 18 16.0  -15.75   67.25 33.0  4.9  MID-INDIAN RIDGE                
     2021 10 19 16 25 44.0  -42.25  -15.75 33.0  4.9  TRISTAN DA CUNHA REGION         
     2021 10 19 12 36 48.0   41.00  143.00 33.0  5.3  HOKKAIDO, JAPAN REGION          
     2021 10 19 10 28 48.0  -21.50 -175.50 33.0  5.7  TONGA ISLANDS                   
     2021 10 19  5 32 32.0   34.50   28.50 33.0  6.0  EASTERN MEDITERRANEAN SEA       
     2021 10 19  5 13  4.0    9.25  -86.25 33.0  4.9  OFF COAST OF COSTA RICA         
     2021 10 18 22 23 36.0  -46.25  -77.25 33.0  5.2  OFF COAST OF SOUTHERN CHILE     
     2021 10 18 22 21 28.0   10.25   41.25 33.0  4.8  ETHIOPIA                        
     2021 10 18 21 28 24.0  -49.25   -8.25 33.0  4.9  SOUTHERN MID-ATLANTIC RIDGE     
     2021 10 18 18 32 16.0  -46.50  -77.50 33.0  5.0  OFF COAST OF SOUTHERN CHILE     
     2021 10 18  8 24 48.0   53.75  158.75 33.0  5.3  NEAR EAST COAST OF KAMCHATKA    
     2021 10 18  7 26 56.0  -13.75  166.75 33.0  6.3  VANUATU ISLANDS                 
     2021 10 18  0 23 12.0  -65.00  109.00 33.0  4.9  SOUTH INDIAN OCEAN              
     2021 10 17 20 37  4.0   79.75    3.25 33.0  5.1  GREENLAND SEA                   
     2021 10 17 17 39 20.0   49.75  155.75 33.0  4.9  KURIL ISLANDS                   
     2021 10 17 15 57 36.0  -14.50  167.50 33.0  4.9  VANUATU ISLANDS                 
     2021 10 17 13 17 36.0  -62.75  165.75 33.0  4.8  BALLENY ISLANDS REGION          
     2021 10 17 12  5 28.0   49.50  155.50 33.0  5.0  KURIL ISLANDS                   
     2021 10 17  4 58 16.0    6.50  -82.50 33.0  4.8  SOUTH OF PANAMA                 
     2021 10 17  2 32  8.0   29.75  130.25 33.0  4.9  RYUKYU ISLANDS, JAPAN           
     2021 10 17  2 31  4.0  -29.25 -177.75 33.0  4.9  KERMADEC ISLANDS, NEW ZEALAND   
     2021 10 16 22 56 16.0   16.00  -50.00 33.0  5.1  NORTH ATLANTIC OCEAN            
     2021 10 16 18 27 36.0   18.75  -81.75 33.0  5.5  NORTH OF HONDURAS               
     2021 10 16 17 47 20.0   60.25 -150.75 33.0  4.8  KENAI PENINSULA, ALASKA         
     2021 10 16 17 33 20.0  -52.50   13.50 33.0  5.0  SOUTHWEST OF AFRICA             
     2021 10 16 13 24  8.0  -59.25  -24.75 33.0  5.0  SOUTH SANDWICH ISLANDS REGION   
     2021 10 16 11 46  0.0   30.75   56.75 33.0  5.1  NORTHERN AND CENTRAL IRAN       
     2021 10 16 10  8 32.0    0.50  126.50 33.0  4.8  NORTHERN MOLUCCA SEA            
     2021 10 16  7  7 44.0   11.75  -60.25 33.0  4.9  WINDWARD ISLANDS                
     2021 10 16  2  2 16.0   45.50  149.50 33.0  5.1  KURIL ISLANDS                   
     2021 10 15 20 18 24.0   -8.50  115.50 33.0  4.8  BALI REGION, INDONESIA          
     2021 10 15 19 42 56.0  -41.75   88.25 33.0  4.9  SOUTHEAST INDIAN RIDGE          
     2021 10 15 18 44 40.0   17.25  -85.25 33.0  4.7  NORTH OF HONDURAS               
     2021 10 15 17 42 16.0   10.25   41.25 33.0  4.8  ETHIOPIA                        
     2021 10 15 16 54 48.0    8.75  126.75 33.0  4.8  MINDANAO, PHILIPPINES           
     2021 10 15 15  0 40.0   28.75   89.75 33.0  4.7  XIZANG                          
     2021 10 15  2 45  4.0   -9.50  158.50 33.0  6.3  SOLOMON ISLANDS                 
     2021 10 14 15 16 40.0    0.75  126.75 33.0  5.6  NORTHERN MOLUCCA SEA            
     2021 10 14 12 48  0.0  -58.25  -23.25 33.0  4.9  SOUTH SANDWICH ISLANDS REGION   
     2021 10 14  8 35 12.0  -35.75 -104.75 33.0  4.9  SOUTHEAST OF EASTER ISLAND      
     2021 10 14  5 52  0.0  -15.25  167.25 33.0  5.7  VANUATU ISLANDS                 
     2021 10 14  3 47  4.0  -36.25   52.25 33.0  5.3  SOUTHWEST INDIAN RIDGE          
     2021 10 14  0  4 24.0   33.75   91.75 33.0  4.7  QINGHAI, CHINA                  
     2021 10 13 17 34 24.0  -63.25 -161.75 33.0  5.0  PACIFIC-ANTARCTIC RIDGE         
     2021 10 13 10 52  0.0   -7.50  130.50 33.0  4.8  TANIMBAR ISLANDS REG., INDONESIA
     2021 10 13  7 55 28.0  -50.50  -71.50 33.0  5.5  S. CHILE-ARGENTINA BORDER REGION
     2021 10 13  6 25 44.0   -4.25  152.75 33.0  5.2  NEW BRITAIN REGION, P.N.G.      
     2021 10 13  2 54 32.0    9.75  -84.75 33.0  5.1  COSTA RICA                      
Created 2021-10-19
Göran Ekström, Department of Earth and Environmental Sciences, Columbia University