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.
2025 5 21 15 19 28.0 -16.50 -173.50 33.0 4.8 TONGA ISLANDS 2025 5 21 11 51 28.0 -23.75 -114.75 33.0 4.9 EASTER ISLAND REGION 2025 5 21 0 38 16.0 -57.50 -67.50 33.0 5.2 DRAKE PASSAGE 2025 5 20 21 9 12.0 -55.25 -129.75 33.0 5.1 PACIFIC-ANTARCTIC RIDGE 2025 5 20 15 6 16.0 -3.25 144.75 33.0 6.6 NEAR N COAST OF NEW GUINEA, PNG. 2025 5 20 5 11 36.0 35.25 -36.25 33.0 5.8 NORTHERN MID-ATLANTIC RIDGE 2025 5 19 23 31 28.0 -31.75 -178.25 33.0 4.9 KERMADEC ISLANDS REGION 2025 5 19 21 36 8.0 -11.25 111.25 33.0 4.9 SOUTH OF JAVA, INDONESIA 2025 5 19 15 24 16.0 -24.75 -174.75 33.0 5.0 SOUTH OF TONGA ISLANDS 2025 5 19 14 1 20.0 -7.25 -13.25 33.0 5.2 ASCENSION ISLAND REGION 2025 5 19 11 17 4.0 -36.25 -102.75 33.0 5.5 SOUTHEAST OF EASTER ISLAND 2025 5 19 5 48 32.0 -30.25 -177.25 33.0 5.3 KERMADEC ISLANDS, NEW ZEALAND 2025 5 19 5 45 36.0 59.00 -31.00 33.0 4.6 REYKJANES RIDGE 2025 5 19 5 25 4.0 59.25 -30.25 33.0 4.7 REYKJANES RIDGE 2025 5 19 5 15 28.0 59.50 -30.50 33.0 4.8 REYKJANES RIDGE 2025 5 19 3 41 36.0 7.75 125.75 33.0 4.8 MINDANAO, PHILIPPINES 2025 5 19 3 14 48.0 37.25 141.25 33.0 4.7 NEAR EAST COAST OF HONSHU, JAPAN 2025 5 19 0 23 28.0 38.50 23.50 33.0 4.8 GREECE 2025 5 18 19 15 28.0 18.25 93.75 33.0 5.0 MYANMAR 2025 5 18 17 31 4.0 33.75 90.75 33.0 4.8 QINGHAI, CHINA 2025 5 18 7 54 48.0 -18.25 -173.75 33.0 5.0 TONGA ISLANDS 2025 5 18 7 26 32.0 56.25 117.25 33.0 4.9 EAST OF LAKE BAYKAL, RUSSIA 2025 5 18 3 46 16.0 9.25 123.25 33.0 4.9 NEGROS, PHILIPPINES 2025 5 17 15 54 56.0 21.25 95.75 33.0 5.3 MYANMAR 2025 5 17 15 9 36.0 53.75 -159.25 33.0 4.8 SOUTH OF ALASKA 2025 5 17 13 31 52.0 17.25 -82.75 33.0 4.9 NORTH OF HONDURAS 2025 5 17 10 22 8.0 -15.25 -74.25 33.0 5.9 NEAR COAST OF PERU 2025 5 17 8 1 4.0 -35.75 -107.25 33.0 5.0 SOUTHERN EAST PACIFIC RISE 2025 5 17 0 45 44.0 -3.25 145.25 33.0 5.5 NEAR N COAST OF NEW GUINEA, PNG. 2025 5 17 0 33 4.0 9.50 121.50 33.0 5.3 SULU SEA 2025 5 16 19 15 12.0 -35.75 -105.75 33.0 5.1 SOUTHERN EAST PACIFIC RISE 2025 5 16 14 57 4.0 -17.75 168.25 33.0 5.0 VANUATU ISLANDS 2025 5 16 5 17 28.0 -35.00 -111.00 33.0 5.2 SOUTHERN EAST PACIFIC RISE 2025 5 16 1 0 16.0 24.75 97.75 33.0 4.8 MYANMAR-CHINA BORDER REGION 2025 5 15 15 29 4.0 -55.25 -135.75 33.0 5.1 PACIFIC-ANTARCTIC RIDGE 2025 5 15 12 59 20.0 -55.25 -135.75 33.0 5.6 PACIFIC-ANTARCTIC RIDGE 2025 5 15 12 46 40.0 39.00 33.00 33.0 5.2 TURKEY 2025 5 15 11 4 16.0 -43.75 -82.75 33.0 4.8 WEST CHILE RISE 2025 5 15 6 45 44.0 -55.25 -129.25 33.0 5.1 PACIFIC-ANTARCTIC RIDGE 2025 5 15 6 6 56.0 -55.25 -129.25 33.0 4.8 PACIFIC-ANTARCTIC RIDGE 2025 5 14 23 48 56.0 67.00 -17.00 33.0 4.7 ICELAND REGION 2025 5 14 23 14 48.0 40.25 -29.75 33.0 5.0 AZORES ISLANDS REGION 2025 5 14 20 13 20.0 -6.25 -81.25 33.0 5.2 NEAR COAST OF NORTHERN PERU 2025 5 14 16 33 4.0 -57.25 -140.75 33.0 5.4 PACIFIC-ANTARCTIC RIDGE 2025 5 14 16 19 36.0 12.75 -88.25 33.0 4.7 OFF COAST OF CENTRAL AMERICA 2025 5 14 14 13 52.0 -28.50 -177.50 33.0 4.8 KERMADEC ISLANDS REGION 2025 5 14 10 47 52.0 -24.75 69.75 33.0 5.0 MID-INDIAN RIDGE 2025 5 14 4 15 52.0 -19.00 -175.00 33.0 6.0 TONGA ISLANDSCreated 2025-05-21