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 two weeks and is updated a few times daily.

If you make use of these detections, please cite the paper that describes the algorithm: Ekstrom, G., Global Detection and Location of Seismic Sources by Using Surface Waves, Bull. Seism. Soc. Am., 96, 1201-1212, 2006.



     2026  9 22 13 56 16.0   50.75  156.75 33.0  4.7  KURIL ISLANDS                   
     2026  9 22 11 43 44.0   14.25  -90.75 33.0  4.9  GUATEMALA                       
     2026  9 22 10 46 24.0   29.00  129.00 33.0  5.3  RYUKYU ISLANDS, JAPAN           
     2026  9 22  6 11 12.0   22.75  142.25 33.0  5.0  VOLCANO ISLANDS, JAPAN REGION   
     2026  9 22  5 18 24.0   22.75  142.25 33.0  5.2  VOLCANO ISLANDS, JAPAN REGION   
     2026  9 22  3 30 56.0  -56.25 -122.75 33.0  5.0  SOUTHERN EAST PACIFIC RISE      
     2026  9 22  0  8 16.0   19.75  120.75 33.0  4.8  PHILIPPINE ISLANDS REGION       
     2026  9 21 23 48 24.0    5.00  125.00 33.0  5.1  MINDANAO, PHILIPPINES           
     2026  9 21 13 38 32.0   32.50  132.50 33.0  4.9  SHIKOKU, JAPAN                  
     2026  9 21 11 48 40.0  -21.75  -72.25 33.0  4.9  OFF COAST OF NORTHERN CHILE     
     2026  9 21 10 48 16.0   37.75   72.75 33.0  4.8  TAJIKISTAN                      
     2026  9 21  7 31 12.0   -0.50  122.50 33.0  5.2  MINAHASSA PENINSULA, SULAWESI   
     2026  9 21  4 28 40.0  -36.00  178.00 33.0  4.9  OFF E. COAST OF N. ISLAND, N.Z. 
     2026  9 21  1 41 36.0   -8.50  120.50 33.0  5.3  FLORES REGION, INDONESIA        
     2026  9 21  1  2  8.0   37.75   36.25 33.0  5.2  TURKEY                          
     2026  9 20 23 25 36.0   43.25  147.25 33.0  4.9  KURIL ISLANDS                   
     2026  9 20 22 10  8.0  -22.75  171.75 33.0  5.0  SOUTHEAST OF LOYALTY ISLANDS    
     2026  9 20 20 54 32.0  -48.50   31.50 33.0  5.6  SOUTH OF AFRICA                 
     2026  9 20 13  0 48.0  -15.75 -174.75 33.0  5.3  TONGA ISLANDS                   
     2026  9 20 12 46  0.0   -5.75  145.75 33.0  5.5  EASTERN NEW GUINEA REG., P.N.G. 
     2026  9 20  9 17 44.0   -5.75  146.25 33.0  6.5  EASTERN NEW GUINEA REG., P.N.G. 
     2026  9 20  8 48  8.0  -26.50  -66.50 33.0  5.4  CATAMARCA PROVINCE, ARGENTINA   
     2026  9 20  7 28 24.0   28.50  129.50 33.0  5.2  RYUKYU ISLANDS, JAPAN           
     2026  9 20  6 48  0.0   12.75  145.75 33.0  4.8  SOUTH OF MARIANA ISLANDS        
     2026  9 20  5  7 44.0  -15.75 -174.25 33.0  5.3  TONGA ISLANDS                   
     2026  9 20  3 43 36.0   13.25  145.75 33.0  5.3  MARIANA ISLANDS                 
     2026  9 20  1 30 24.0   57.50  -33.50 33.0  4.9  REYKJANES RIDGE                 
     2026  9 20  0 58 16.0   57.25  -33.25 33.0  5.6  REYKJANES RIDGE                 
     2026  9 20  0 33 28.0  -15.75 -174.75 33.0  5.1  TONGA ISLANDS                   
     2026  9 19 20 24 40.0   57.25  -33.25 33.0  5.5  REYKJANES RIDGE                 
     2026  9 19 16 30 32.0   57.50  -33.50 33.0  4.7  REYKJANES RIDGE                 
     2026  9 19 13 44 40.0    4.75  -76.25 33.0  4.8  COLOMBIA                        
     2026  9 19 12 20  8.0   32.25   89.75 33.0  4.7  XIZANG                          
     2026  9 19 10  0  0.0  -54.25  -27.75 33.0  4.7  SOUTH SANDWICH ISLANDS REGION   
     2026  9 19  7 44 24.0   -2.25  139.25 33.0  4.9  NEAR NORTH COAST OF IRIAN JAYA  
     2026  9 19  7 12 32.0   -4.25  -77.75 33.0  5.0  NORTHERN PERU                   
     2026  9 19  4 18 40.0   -1.75  138.75 33.0  5.0  NEAR NORTH COAST OF IRIAN JAYA  
     2026  9 18 23 18 24.0  -28.25 -176.75 33.0  5.4  KERMADEC ISLANDS REGION         
     2026  9 18 16 52  8.0  -33.50  -70.50 33.0  4.8  CHILE-ARGENTINA BORDER REGION   
     2026  9 18 16 15 12.0  -41.25   84.25 33.0  4.8  SOUTHEAST INDIAN RIDGE          
     2026  9 18 15 38 32.0  -61.50  160.50 33.0  4.8  BALLENY ISLANDS REGION          
     2026  9 18 14 36 16.0   -9.25  105.75 33.0  4.8  SOUTH OF JAVA, INDONESIA        
     2026  9 18 13 12 56.0   14.50  -93.50 33.0  4.8  NEAR COAST OF CHIAPAS, MEXICO   
     2026  9 18  7 19 36.0   32.75  141.25 33.0  5.0  SOUTHEAST OF HONSHU, JAPAN      
     2026  9 18  6 42 16.0   39.25   23.75 33.0  4.7  AEGEAN SEA                      
     2026  9 18  6 17 12.0    4.25  -77.25 33.0  4.9  NEAR WEST COAST OF COLOMBIA     
     2026  9 18  3 22  8.0  -49.75 -115.25 33.0  4.8  SOUTHERN EAST PACIFIC RISE      
     2026  9 18  2  0  8.0  -55.75 -124.25 33.0  5.0  SOUTHERN EAST PACIFIC RISE      
     2026  9 17 21 10 32.0    4.75  -76.25 33.0  4.9  COLOMBIA                        
     2026  9 17 19 19 12.0   30.25  -42.25 33.0  5.2  NORTHERN MID-ATLANTIC RIDGE     
     2026  9 17 14 20  0.0   52.75 -171.25 33.0  6.6  FOX ISLANDS, ALEUTIAN ISLANDS   
     2026  9 17 13 30 48.0   52.75  159.75 33.0  4.6  OFF EAST COAST OF KAMCHATKA     
     2026  9 17  6 42 48.0  -14.50 -174.50 33.0  5.4  SAMOA ISLANDS REGION            
     2026  9 17  6 21 20.0    1.25  126.75 33.0  5.0  NORTHERN MOLUCCA SEA            
     2026  9 17  4  7  4.0  -17.75 -172.75 33.0  5.1  TONGA ISLANDS REGION            
     2026  9 17  1 48  0.0  -16.25 -177.75 33.0  4.9  FIJI ISLANDS REGION             
     2026  9 16 20 21 36.0   -6.25  151.75 33.0  4.8  NEW BRITAIN REGION, P.N.G.      
     2026  9 16 20 12 56.0    4.75  -76.25 33.0  4.9  COLOMBIA                        
     2026  9 16 18 57 44.0   18.25  -46.75 33.0  4.8  NORTHERN MID-ATLANTIC RIDGE     
     2026  9 16 18  6 48.0   14.25  145.75 33.0  5.1  MARIANA ISLANDS                 
     2026  9 16 15  7 52.0   35.75  140.25 33.0  4.7  NEAR EAST COAST OF HONSHU, JAPAN
     2026  9 16 11 50 24.0    7.75  126.75 33.0  4.8  MINDANAO, PHILIPPINES           
     2026  9 16  8 37  4.0   14.25  147.25 33.0  4.8  MARIANA ISLANDS REGION          
     2026  9 16  7  2 24.0    6.25  -77.75 33.0  4.8  NEAR WEST COAST OF COLOMBIA     
     2026  9 16  6 18  8.0    4.25  -77.25 33.0  4.7  NEAR WEST COAST OF COLOMBIA     
     2026  9 16  4 36 32.0   35.25  -35.25 33.0  4.6  NORTHERN MID-ATLANTIC RIDGE     
     2026  9 16  3 45  4.0   13.75  -92.75 33.0  5.1  OFF COAST OF CHIAPAS, MEXICO    
     2026  9 15 23 47  4.0   13.50   50.50 33.0  4.9  EASTERN GULF OF ADEN            
     2026  9 15 21  0 32.0   24.75  123.25 33.0  4.8  SOUTHWESTERN RYUKYU ISL., JAPAN 
     2026  9 15 17 16 56.0   25.25  123.25 33.0  4.7  NORTHEAST OF TAIWAN             
     2026  9 15 16 56 24.0  -43.25  -83.25 33.0  4.8  WEST CHILE RISE                 
     2026  9 15 15 27 36.0  -43.25  -83.75 33.0  4.8  WEST CHILE RISE                 
     2026  9 15 11 35  4.0   -7.50  155.50 33.0  4.7  SOLOMON ISLANDS                 
     2026  9 15  4 12 40.0  -36.25 -100.75 33.0  5.0  SOUTHEAST OF EASTER ISLAND      
     2026  9 14 23 52 48.0  -16.75  176.75 33.0  5.1  FIJI ISLANDS REGION             
     2026  9 14 22 44 48.0  -40.75  174.25 33.0  4.8  COOK STRAIT, NEW ZEALAND        
     2026  9 14 22  6 56.0   -6.50  146.50 33.0  4.8  EASTERN NEW GUINEA REG., P.N.G. 
     2026  9 14 21 13 20.0    4.75  -76.25 33.0  4.9  COLOMBIA                        
     2026  9 14 20 38 56.0   15.25 -104.75 33.0  5.5  OFF COAST OF MICHOACAN, MEXICO  
     2026  9 14 20  2  8.0    4.75  -76.25 33.0  5.0  COLOMBIA                        
     2026  9 14 19 16 56.0   -3.75  -76.25 33.0  4.8  NORTHERN PERU                   
     2026  9 14 16 15  4.0   -9.25  157.75 33.0  5.0  SOLOMON ISLANDS                 
     2026  9 14 10 58  8.0    2.75  128.25 33.0  5.6  HALMAHERA, INDONESIA            
     2026  9 14  9 27 36.0   -8.75  106.25 33.0  5.1  SOUTH OF JAVA, INDONESIA        
     2026  9 14  9  7 28.0   23.25  101.75 33.0  4.8  YUNNAN, CHINA                   
     2026  9 14  2 56 16.0   25.75  -45.25 33.0  5.6  NORTHERN MID-ATLANTIC RIDGE     
     2026  9 14  0 53 44.0  -35.50 -109.50 33.0  4.8  SOUTHERN EAST PACIFIC RISE      
     2026  9 13 22 44 48.0   23.00  121.00 33.0  4.8  TAIWAN                          
     2026  9 13 22 40  8.0   -8.50  120.50 33.0  5.1  FLORES REGION, INDONESIA        
     2026  9 13  8 31 20.0   41.25  141.25 33.0  4.8  HOKKAIDO, JAPAN REGION          
     2026  9 13  7 30 24.0  -22.50  171.50 33.0  5.1  SOUTHEAST OF LOYALTY ISLANDS    
     2026  9 13  7 19 20.0  -15.25  167.75 33.0  5.2  VANUATU ISLANDS                 
     2026  9 12 20 33  4.0   29.75  130.25 33.0  5.1  RYUKYU ISLANDS, JAPAN           
     2026  9 12 17 51 44.0   37.75   19.75 33.0  4.9  IONIAN SEA                      
     2026  9 12 11 16 16.0    4.25  -76.75 33.0  4.8  COLOMBIA                        
     2026  9 11 11 56 32.0   -7.25  129.25 33.0  6.1  BANDA SEA                       
     2026  9 11 10 47 12.0   51.75 -178.75 33.0  5.1  ANDREANOF ISLANDS, ALEUTIAN IS. 
     2026  9 10 20 46 32.0  -24.25 -174.75 33.0  4.9  SOUTH OF TONGA ISLANDS          
     2026  9 10 18 44 40.0   -8.75  127.75 33.0  5.1  TIMOR REGION                    
     2026  9 10 18 21 28.0  -34.75 -109.25 33.0  5.4  SOUTHERN EAST PACIFIC RISE      
     2026  9 10 18  4  8.0    9.75  -84.75 33.0  4.8  COSTA RICA                      
     2026  9 10 14 15 52.0    1.50  -90.50 33.0  4.8  GALAPAGOS ISLANDS REGION        
     2026  9 10 13 38 16.0    1.75  -90.75 33.0  4.8  GALAPAGOS ISLANDS REGION        
     2026  9 10 13 28 56.0   13.75  -93.25 33.0  4.8  OFF COAST OF CHIAPAS, MEXICO    
     2026  9 10 13 28 16.0   11.75  143.75 33.0  5.3  SOUTH OF MARIANA ISLANDS        
     2026  9 10  8 26 56.0    9.25  -84.25 33.0  5.0  COSTA RICA                      
     2026  9 10  6 42 40.0   -4.25  -77.75 33.0  5.3  NORTHERN PERU                   
     2026  9  9 21 30  0.0  -28.25   74.25 33.0  4.8  MID-INDIAN RIDGE                
     2026  9  9 19 15 20.0  -19.75  169.75 33.0  4.9  VANUATU ISLANDS                 
     2026  9  9 17 18 56.0  -19.75  169.75 33.0  5.3  VANUATU ISLANDS                 
     2026  9  9 17  2  0.0  -20.00  170.00 33.0  5.4  VANUATU ISLANDS                 
     2026  9  9 12 18 24.0  -15.25 -172.75 33.0  4.8  SAMOA ISLANDS REGION            
     2026  9  9 10  7 12.0  -26.75  -66.25 33.0  5.0  CATAMARCA PROVINCE, ARGENTINA   
     2026  9  9  2  6 24.0  -56.75 -139.25 33.0  5.3  PACIFIC-ANTARCTIC RIDGE         
     2026  9  9  1 53  4.0   -9.75 -107.75 33.0  5.0  CENTRAL EAST PACIFIC RISE       
     2026  9  8 16  8 48.0   28.25   83.25 33.0  4.8  NEPAL                           
     2026  9  8 15 36 40.0   -8.25  120.75 33.0  5.2  FLORES REGION, INDONESIA        
     2026  9  8 11 51 20.0  -18.50 -173.50 33.0  5.0  TONGA ISLANDS                   
     2026  9  8  6 50 40.0  -58.50  -24.50 33.0  5.3  SOUTH SANDWICH ISLANDS REGION   
     2026  9  8  6 49 44.0   10.25  -68.75 33.0  5.0  NEAR COAST OF VENEZUELA         
     2026  9  8  6  5 52.0  -57.75 -148.25 33.0  5.1  PACIFIC-ANTARCTIC RIDGE         
     2026  9  8  4 40 32.0   -8.25  120.75 33.0  5.3  FLORES REGION, INDONESIA        
     2026  9  8  0 52  8.0  -19.75  170.25 33.0  5.2  VANUATU ISLANDS                 
Created 2026-09-22
Göran Ekström, Department of Earth and Environmental Sciences, Columbia University