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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 July, 2025.
Definition of Terms (Japanese only) Year:   Month:   
Jul, 2025     * 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
2025-07-19 01:36:04 SE OFF TOKACHI 42.3N 144.6E 25km 4.0 31.5˚/254.6˚ 40.7˚/57.9˚ 54.6˚/116.5˚ 86.6 8 C
2025-07-18 18:58:36 NORTHERN OITA PREF 33.1N 131.4E 88km 4.1 188.6˚/56.9˚ 32.8˚/66.8˚ 46.7˚/113.8˚ 65.6 8 C
2025-07-18 03:44:10 E OFF AOMORI PREF 40.7N 142.8E 31km 4.7 113.6˚/20.9˚ 30.2˚/88.4˚ -176.9˚/-59.8˚ 88.1 3 C
2025-07-16 11:12:10 SW OFF HOKKAIDO 42.0N 139.6E 195km 4.5 249.3˚/8.7˚ 39.7˚/67.8˚ -36.2˚/-123.8˚ 89.0 7 C
2025-07-15 23:47:13 NORTHERN IBARAKI PREF 36.5N 140.7E 53km 4.8 182.6˚/22.5˚ 23.8˚/67.5˚ 71.7˚/97.9˚ 93.9 8 C
2025-07-13 16:23:06 SATSUMA PENINSULA REGION 31.3N 130.4E 150km 3.7 145.0˚/20.0˚ 78.8˚/19.0˚ -105.5˚/-36.5˚ 62.5 3 C
2025-07-12 10:07:38 E OFF AOMORI PREF 41.5N 142.0E 51km 3.9 174.8˚/22.6˚ 21.4˚/70.9˚ 63.9˚/99.8˚ 71.5 9 C
2025-07-12 03:44:02 TOKACHI REGION 42.6N 143.4E 14km 3.9 126.0˚/19.4˚ 54.9˚/67.9˚ 27.4˚/141.6˚ 83.5 8 C
2025-07-12 00:59:00 E OFF FUKUSHIMA PREF 37.3N 142.0E 30km 4.2 115.7˚/249.5˚ 57.4˚/42.7˚ -60.7˚/-127.4˚ 94.5 5 C
2025-07-11 05:20:10 EASTERN FUKUSHIMA PREF 37.0N 140.7E 5km 3.5 146.7˚/292.7˚ 63.0˚/31.6˚ -73.0˚/-119.8˚ 90.3 5 C
2025-07-10 08:16:54 CENTRAL CHIBA PREF 35.6N 140.4E 39km 3.8 96.7˚/187.2˚ 88.7˚/70.9˚ -19.1˚/-178.6˚ 66.5 9 C
2025-07-09 12:39:48 NEAR KUNASHIRI ISLAND 43.5N 146.3E 95km 4.3 152.1˚/244.8˚ 27.7˚/88.6˚ -3.1˚/-117.7˚ 66.4 6 C
2025-07-09 11:21:36 FAR E OFF NORTH HONSHU 37.6N 144.6E 7km 4.5 196.1˚/28.1˚ 53.6˚/37.0˚ -97.2˚/-80.4˚ 71.1 6 C
2025-07-07 17:29:52 OFF NEMURO PENINSULA 42.8N 145.2E 86km 4.1 99.6˚/306.6˚ 63.8˚/28.9˚ 77.3˚/114.1˚ 86.3 6 C
2025-07-07 16:55:40 E OFF MIYAGI PREF 38.8N 142.1E 41km 3.4 175.5˚/17.8˚ 32.6˚/59.4˚ 70.9˚/101.8˚ 65.2 4 C
2025-07-06 18:40:20 E OFF HOKKAIDO 43.5N 147.9E 64km 4.8 148.5˚/8.0˚ 56.5˚/40.6˚ 65.5˚/122.1˚ 81.5 3 C
2025-07-06 13:42:29 SE OFF MIYAGI PREF 37.8N 141.9E 62km 3.7 214.2˚/331.2˚ 40.6˚/68.7˚ 146.1˚/54.6˚ 68.7 5 C
2025-07-05 03:14:37 E OFF FUKUSHIMA PREF 36.7N 142.1E 26km 4.8 211.9˚/25.0˚ 20.3˚/69.8˚ 96.5˚/87.6˚ 94.3 5 C
2025-07-04 16:56:45 E OFF IWATE PREF 39.6N 142.2E 60km 3.9 174.3˚/299.4˚ 66.9˚/36.6˚ 119.2˚/41.2˚ 72.7 5 C
2025-07-03 21:28:36 HYUGANADA REGION 32.7N 132.3E 33km 4.2 213.8˚/347.6˚ 77.3˚/18.0˚ -77.1˚/-134.7˚ 89.5 11 C
2025-07-03 07:33:18 SOUTHERN AKITA PREF 39.5N 140.4E 2km 3.6 177.4˚/86.5˚ 88.7˚/55.2˚ -145.2˚/-1.6˚ 93.4 5 C
2025-07-02 05:18:10 E OFF TANEGASHIMA ISLAND 30.3N 131.3E 31km 4.6 79.2˚/220.0˚ 28.8˚/66.9˚ 125.6˚/72.3˚ 72.6 5 C
2025-07-01 08:15:27 TOYAMA PREF 36.8N 137.7E 2km 3.9 76.3˚/237.1˚ 79.0˚/11.6˚ -86.2˚/-108.8˚ 81.7 7 C
2025-07-01 01:13:08 SW IBARAKI PREF 36.1N 140.0E 49km 3.7 123.8˚/276.3˚ 67.0˚/25.6˚ 101.5˚/64.8˚ 90.1 5 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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