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AQUA System Focal Mechanism Catalog
Focal mechanisms automatically determined by the AQUA system.
Focal mechanisms are available for the period from August, 2004 to January, 2026.
Definition of Terms (Japanese only) Year:   Month:   
Jan, 2026     * Map is displayed when you put a mouse cursor on a list.
Origin time (JST) * Region * Latitude * Longitude * Depth * Mw Strike Dip Rake Varred Number of station(s) Type
2026-01-21 09:52:55 NORTHERN NAGANO PREF 36.8N 138.0E 3km 3.5 338.7˚/239.9˚ 82.6˚/40.2˚ 50.4˚/168.5˚ 66.3 6 C
2026-01-21 09:34:04 SOYA REGION 45.1N 142.3E 2km 3.8 145.2˚/334.1˚ 59.0˚/31.3˚ 85.4˚/97.6˚ 73.8 6 C
2026-01-21 04:40:37 SOYA REGION 45.1N 142.2E 1km 4.0 165.8˚/321.1˚ 38.0˚/54.6˚ 109.9˚/75.1˚ 78.2 5 C
2026-01-21 03:44:41 FAR E OFF SANRIKU 39.4N 143.8E 22km 4.1 215.7˚/13.7˚ 34.7˚/57.3˚ 108.4˚/77.7˚ 88.8 3 C
2026-01-21 02:51:45 E OFF AOMORI PREF 41.5N 142.0E 53km 5.3 187.4˚/23.0˚ 19.4˚/71.3˚ 75.2˚/95.1˚ 80.5 9 C
2026-01-20 18:17:34 SOYA REGION 45.1N 142.2E 1km 4.0 180.5˚/330.9˚ 82.4˚/8.7˚ 94.3˚/60.7˚ 61.6 4 C
2026-01-20 01:30:24 FAR S OFF TOKAI DISTRICT 33.7N 138.5E 6km 4.2 49.9˚/293.9˚ 62.1˚/50.4˚ 46.2˚/142.6˚ 55.0 9 C
2026-01-19 05:34:02 FAR E OFF IBARAKI PREF 36.4N 141.6E 17km 3.9 204.0˚/347.7˚ 74.2˚/19.3˚ -78.7˚/-124.7˚ 85.3 6 C
2026-01-18 18:46:56 OFF NEMURO PENINSULA 42.4N 145.2E 27km 4.5 27.9˚/249.2˚ 70.0˚/25.8˚ 73.3˚/128.3˚ 88.4 6 C
2026-01-18 03:46:45 NORTHERN GIFU PREF 36.0N 137.4E 3km 3.5 325.5˚/57.6˚ 51.0˚/87.4˚ -3.4˚/-141.0˚ 86.6 5 C
2026-01-18 01:49:49 CENTRAL CHIBA PREF 35.6N 140.2E 65km 3.8 185.5˚/354.3˚ 29.7˚/60.8˚ 99.8˚/84.5˚ 91.8 4 C
2026-01-17 17:37:44 EBINO REGION S KYUSHU 31.9N 130.8E 3km 4.0 34.8˚/269.4˚ 40.6˚/63.6˚ -136.9˚/-58.0˚ 90.9 8 C
2026-01-17 04:34:18 E OFF AOMORI PREF 41.2N 142.7E 32km 5.2 206.4˚/31.3˚ 13.4˚/76.6˚ 85.2˚/91.1˚ 75.3 9 C
2026-01-17 00:39:05 KAMIKAWA-SORACHI REGION 44.4N 142.3E 3km 4.0 161.1˚/21.7˚ 31.4˚/65.1˚ 53.8˚/109.8˚ 82.8 8 C
2026-01-16 10:56:23 SOYA REGION 45.1N 142.2E 1km 3.9 121.2˚/3.6˚ 45.3˚/64.9˚ 36.6˚/129.1˚ 79.0 5 C
2026-01-16 03:16:38 OFF NEMURO PENINSULA 42.9N 145.6E 47km 3.6 234.6˚/19.0˚ 33.9˚/61.3˚ 120.7˚/71.1˚ 71.8 5 C
2026-01-16 02:58:07 OFF NEMURO PENINSULA 42.9N 145.6E 43km 3.7 222.1˚/32.7˚ 22.5˚/67.8˚ 98.7˚/86.4˚ 83.7 5 C
2026-01-15 14:57:24 HIDA MOUNTAINS REGION 36.4N 137.6E 4km 3.9 177.0˚/267.5˚ 87.5˚/79.3˚ -10.7˚/-177.5˚ 71.0 7 C
2026-01-15 14:48:08 HIDA MOUNTAINS REGION 36.4N 137.6E 6km 5.1 176.3˚/267.8˚ 71.2˚/85.6˚ -4.7˚/-161.1˚ 89.5 10 C
2026-01-15 14:44:00 HIDA MOUNTAINS REGION 36.4N 137.6E 8km 4.4 280.3˚/186.8˚ 69.0˚/80.9˚ -170.3˚/-21.3˚ 86.0 10 C
2026-01-15 14:40:18 HIDA MOUNTAINS REGION 36.4N 137.6E 9km 4.7 276.1˚/185.6˚ 63.4˚/88.9˚ -178.8˚/-26.6˚ 85.6 10 C
2026-01-15 07:13:21 OFF NEMURO PENINSULA 42.7N 145.4E 36km 5.5 237.2˚/27.5˚ 27.5˚/65.7˚ 116.8˚/76.8˚ 86.6 5 C
2026-01-13 05:09:51 NOTO PENINSULA REGION 37.5N 137.3E 8km 4.1 85.8˚/214.1˚ 61.2˚/41.6˚ 121.4˚/46.5˚ 87.5 8 C
2026-01-13 01:58:56 SOYA REGION 45.1N 142.1E 2km 4.8 158.0˚/4.0˚ 69.3˚/22.8˚ 80.2˚/114.2˚ 90.6 7 C
2026-01-13 01:10:16 SOYA REGION 45.1N 142.2E 2km 4.4 142.2˚/6.9˚ 67.8˚/29.9˚ 69.5˚/130.6˚ 86.5 7 C
2026-01-13 00:02:45 E OFF MIYAGI PREF 38.3N 141.9E 39km 3.8 152.3˚/21.0˚ 28.2˚/70.5˚ 44.9˚/110.8˚ 65.1 5 C
2026-01-12 09:58:39 SOYA REGION 45.1N 142.2E 4km 4.2 156.1˚/356.2˚ 56.2˚/35.5˚ 78.5˚/106.6˚ 65.6 6 C
2026-01-12 09:50:18 SOYA REGION 45.1N 142.2E 1km 4.6 125.4˚/343.2˚ 28.4˚/66.9˚ 55.7˚/106.9˚ 83.8 5 C
2026-01-12 09:48:40 SOYA REGION 45.1N 142.2E 3km 4.2 163.2˚/337.7˚ 71.0˚/19.1˚ 91.8˚/84.8˚ 63.2 5 C
2026-01-11 13:15:35 NORTHERN IWATE PREF 39.6N 142.0E 68km 4.9 186.2˚/69.9˚ 76.2˚/29.0˚ 64.2˚/150.6˚ 80.7 7 C
2026-01-11 09:48:04 SE OFF TOKACHI 42.2N 144.3E 51km 3.9 146.2˚/48.5˚ 84.9˚/33.5˚ 56.8˚/170.7˚ 59.2 4 C
2026-01-10 11:22:14 OFF NOTO PENINSULA 37.4N 136.9E 6km 3.8 346.4˚/242.1˚ 65.3˚/61.7˚ 31.4˚/151.7˚ 85.2 9 C
2026-01-09 20:35:09 NORTHERN AKITA PREF 40.3N 140.8E 4km 3.9 135.6˚/338.3˚ 69.8˚/21.7˚ 81.8˚/111.2˚ 69.1 3 C
2026-01-09 20:08:01 KUJUKURI COAST BOSO PEN 35.4N 140.5E 33km 4.6 73.2˚/262.4˚ 86.3˚/3.7˚ 89.4˚/99.2˚ 85.8 8 C
2026-01-09 18:56:56 NORTHERN AKITA PREF 40.3N 140.9E 4km 4.2 198.4˚/352.3˚ 51.9˚/41.1˚ 106.8˚/69.8˚ 89.8 3 C
2026-01-08 13:01:49 TOKACHI REGION 42.8N 143.4E 82km 4.0 146.4˚/23.4˚ 51.8˚/55.3˚ 46.4˚/131.2˚ 87.1 3 C
2026-01-07 18:39:08 NE SHIMANE PREF 35.4N 133.2E 8km 3.7 140.5˚/49.4˚ 86.4˚/73.1˚ 16.9˚/176.2˚ 94.5 6 C
2026-01-07 03:04:48 E OFF AOMORI PREF 41.5N 142.1E 51km 4.8 187.3˚/20.0˚ 19.9˚/70.6˚ 78.0˚/94.3˚ 80.3 9 C
2026-01-07 00:20:21 WESTERN TOTTORI PREF 35.3N 133.2E 6km 3.5 336.0˚/237.8˚ 73.7˚/64.0˚ 27.2˚/161.8˚ 94.9 6 C
2026-01-06 22:23:23 WESTERN TOTTORI PREF 35.3N 133.2E 5km 3.7 102.8˚/357.4˚ 50.1˚/72.3˚ -156.7˚/-42.3˚ 97.5 6 C
2026-01-06 19:53:14 WESTERN TOTTORI PREF 35.3N 133.2E 9km 3.7 348.5˚/256.5˚ 86.7˚/58.6˚ 31.5˚/176.1˚ 83.0 5 C
2026-01-06 19:21:42 WESTERN TOTTORI PREF 35.3N 133.3E 12km 3.4 343.5˚/252.6˚ 87.6˚/69.5˚ 20.5˚/177.4˚ 90.2 6 C
2026-01-06 15:38:22 WESTERN TOTTORI PREF 35.3N 133.2E 6km 3.4 149.2˚/239.8˚ 88.9˚/60.4˚ -29.6˚/-178.7˚ 85.3 6 C
2026-01-06 12:43:51 WESTERN TOTTORI PREF 35.3N 133.3E 11km 3.4 274.3˚/183.7˚ 79.7˚/87.0˚ -176.9˚/-10.3˚ 84.6 5 C
2026-01-06 12:34:03 NE OFF IWATE PREF 40.4N 142.4E 45km 4.1 192.0˚/16.2˚ 22.6˚/67.5˚ 86.1˚/91.6˚ 82.5 3 C
2026-01-06 10:37:35 WESTERN TOTTORI PREF 35.3N 133.2E 18km 4.9 335.2˚/65.4˚ 83.9˚/88.0˚ 178.0˚/6.1˚ 54.8 13 C
2026-01-06 10:28:50 WESTERN TOTTORI PREF 35.3N 133.2E 13km 4.7 171.4˚/262.0˚ 85.7˚/82.1˚ -7.9˚/-175.7˚ 81.3 11 C
2026-01-06 10:18:51 WESTERN TOTTORI PREF 35.3N 133.2E 12km 5.7 347.1˚/256.5˚ 87.9˚/72.9˚ 17.1˚/177.8˚ 91.8 16 C
2026-01-04 18:16:51 SW GIFU PREF 35.3N 136.7E 40km 3.6 126.4˚/14.7˚ 67.6˚/48.1˚ -133.8˚/-30.8˚ 71.9 12 C
2026-01-02 07:49:37 SE OFF SHIKOKU 33.6N 134.7E 44km 3.8 114.7˚/205.3˚ 76.3˚/87.7˚ 177.6˚/13.7˚ 53.1 9 C
2026-01-01 06:29:24 NE KUMAMOTO PREF 33.0N 131.1E 6km 3.4 17.0˚/267.0˚ 59.7˚/59.7˚ -144.2˚/-35.8˚ 93.2 5 C
2026-01-01 01:30:25 E OFF AOMORI PREF 40.8N 143.0E 33km 4.9 218.8˚/24.5˚ 14.9˚/75.5˚ 103.8˚/86.4˚ 77.2 8 C
* It is a position and the time of centroid when classification is C.     class C = AQUA-CMT     class M = AQUA-MT


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