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 11 29  8 59 36.0  -58.75  -22.75 33.0  5.0  SOUTH SANDWICH ISLANDS REGION   
     2021 11 29  6 24 40.0   30.75 -113.75 33.0  5.0  GULF OF CALIFORNIA              
     2021 11 28 10 52 32.0   -4.75  -76.25 33.0  7.4  NORTHERN PERU                   
     2021 11 28  6 32 32.0  -12.25  -78.25 33.0  4.9  OFF COAST OF PERU               
     2021 11 28  5 45 44.0  -52.25  100.75 33.0  4.8  SOUTHEAST INDIAN RIDGE          
     2021 11 28  1 38  8.0   33.50   58.50 33.0  4.9  NORTHERN AND CENTRAL IRAN       
     2021 11 27 22 49  4.0   85.50   13.50 33.0  5.1  NORTH OF SVALBARD               
     2021 11 27 20 36 40.0   -9.50  148.50 33.0  5.2  EASTERN NEW GUINEA REG., P.N.G. 
     2021 11 27 18 48  8.0   -7.75  155.75 33.0  5.2  SOLOMON ISLANDS                 
     2021 11 27 12 16 56.0   49.75 -130.75 33.0  4.7  VANCOUVER ISLAND, CANADA REGION 
     2021 11 27  6  2  0.0    4.75  126.25 33.0  5.3  TALAUD ISLANDS, INDONESIA       
     2021 11 27  3 45 52.0   -6.75  154.75 33.0  5.4  SOLOMON ISLANDS                 
     2021 11 27  1 44  8.0   -5.25  151.75 33.0  5.2  NEW BRITAIN REGION, P.N.G.      
     2021 11 26 21 48 40.0   -6.50  -75.50 33.0  4.9  NORTHERN PERU                   
     2021 11 26 18 33 20.0  -15.00 -173.00 33.0  5.4  TONGA ISLANDS                   
     2021 11 26  7 14  8.0   29.25  142.25 33.0  5.6  SOUTHEAST OF HONSHU, JAPAN      
     2021 11 25 23 45 52.0   23.00   93.00 33.0  6.1  MYANMAR-INDIA BORDER REGION     
     2021 11 25 22 50  8.0   29.75 -113.75 33.0  5.0  GULF OF CALIFORNIA              
     2021 11 25 20 42 16.0   29.75 -113.75 33.0  4.8  GULF OF CALIFORNIA              
     2021 11 25 18 47 52.0  -63.50  171.50 33.0  5.0  BALLENY ISLANDS REGION          
     2021 11 25 13 44 24.0  -11.00  167.00 33.0  5.4  SANTA CRUZ ISLANDS              
     2021 11 25 12  4  8.0  -10.75  166.25 33.0  6.4  SANTA CRUZ ISLANDS              
     2021 11 25  1 36 40.0   14.25   51.75 33.0  4.7  EASTERN GULF OF ADEN            
     2021 11 25  1 25  4.0   14.75   52.25 33.0  4.9  EASTERN GULF OF ADEN            
     2021 11 24 23 14 40.0  -20.75  -70.25 33.0  4.7  NEAR COAST OF NORTHERN CHILE    
     2021 11 24 18 20  0.0  -35.75   53.25 33.0  5.2  SOUTHWEST INDIAN RIDGE          
     2021 11 24 14  4 40.0  -29.75 -176.25 33.0  5.0  KERMADEC ISLANDS REGION         
     2021 11 24  9 55 20.0   24.25  122.25 33.0  5.1  TAIWAN REGION                   
     2021 11 24  9 48  0.0   29.75 -113.75 33.0  5.0  GULF OF CALIFORNIA              
     2021 11 24  8  6 48.0   39.75  141.25 33.0  4.8  EASTERN HONSHU, JAPAN           
     2021 11 24  7 38 48.0   -6.75  -11.25 33.0  4.9  ASCENSION ISLAND REGION         
     2021 11 24  5 53 52.0  -16.75  175.25 33.0  5.7  FIJI ISLANDS REGION             
     2021 11 24  4 37 20.0   29.75 -113.75 33.0  5.2  GULF OF CALIFORNIA              
     2021 11 24  4 29  4.0  -17.00  175.00 33.0  5.5  FIJI ISLANDS REGION             
     2021 11 24  4 17 52.0  -16.75  175.25 33.0  5.4  FIJI ISLANDS REGION             
     2021 11 23 21 46 24.0   28.25   59.25 33.0  5.0  SOUTHERN IRAN                   
     2021 11 23 20 48 24.0  -34.25   55.75 33.0  5.5  SOUTHWEST INDIAN RIDGE          
     2021 11 23 16  3 36.0   -0.25  -77.75 33.0  4.8  ECUADOR                         
     2021 11 23 12  4 16.0   82.25  -18.75 33.0  5.5  NEAR NORTH COAST OF GREENLAND   
     2021 11 23 11 54 16.0  -16.25  177.75 33.0  5.1  FIJI ISLANDS                    
     2021 11 23 11 30 24.0   29.75 -113.75 33.0  4.8  GULF OF CALIFORNIA              
     2021 11 23  7  5 36.0    7.50  -78.50 33.0  5.1  PANAMA                          
     2021 11 23  5 56 40.0   12.75  -90.25 33.0  5.5  OFF COAST OF CENTRAL AMERICA    
     2021 11 22 21 36  8.0   -5.75  151.75 33.0  5.1  NEW BRITAIN REGION, P.N.G.      
     2021 11 22 21 13 52.0    0.25   96.75 33.0  5.1  OFF W COAST OF NORTHERN SUMATRA 
     2021 11 22 15 12 16.0   17.25  145.75 33.0  4.7  MARIANA ISLANDS                 
     2021 11 22 10 31  4.0   -9.25   67.25 33.0  5.0  MID-INDIAN RIDGE                
     2021 11 22  8 31 28.0   39.75   41.25 33.0  4.9  TURKEY                          
     2021 11 22  6 17 44.0  -72.25   -8.75 33.0  4.8  ANTARCTICA                      
     2021 11 22  4 22 32.0  -17.25  175.25 33.0  4.8  FIJI ISLANDS REGION             
     2021 11 22  1 22 48.0  -58.25  -26.25 33.0  5.2  SOUTH SANDWICH ISLANDS REGION   
Created 2021-11-29
Göran Ekström, Department of Earth and Environmental Sciences, Columbia University