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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 March, 2023.
Definition of Terms (Japanese only) Year:   Month:   
Mar, 2023     * 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
2023-03-21 06:28:40 HIDAKA MOUNTAINS REGION 42.4N 143.1E 71km 4.0 151.5˚/51.9˚ 47.9˚/79.6˚ 14.1˚/137.0˚ 84.5 5 M
2023-03-21 03:52:56 NEAR MATSUSHIRO 36.4N 138.0E 8km 3.2 286.0˚/29.4˚ 56.2˚/70.9˚ 156.8˚/36.1˚ 86.8 4 M
2023-03-20 10:59:24 NEAR CHOSHI CITY 35.5N 141.1E 44km 4.7 106.1˚/315.1˚ 50.3˚/43.5˚ 70.5˚/111.9˚ 79.2 7 C
2023-03-18 20:08:08 SW IBARAKI PREF 36.3N 140.0E 65km 3.7 178.2˚/358.7˚ 23.8˚/66.2˚ 89.5˚/90.2˚ 60.4 5 M
2023-03-14 13:36:47 SE OFF MIYAGI PREF 37.9N 141.8E 55km 3.8 185.3˚/52.3˚ 63.3˚/36.4˚ 64.3˚/130.8˚ 85.0 3 C
2023-03-14 05:35:37 NORTHERN IWATE PREF 39.8N 141.7E 75km 4.0 190.7˚/67.7˚ 71.9˚/31.0˚ 64.4˚/142.9˚ 97.5 3 C
2023-03-14 04:29:52 NORTHERN IBARAKI PREF 36.8N 140.5E 6km 3.8 224.1˚/20.1˚ 61.8˚/30.4˚ -78.1˚/-111.0˚ 86.5 7 C
2023-03-13 05:25:36 E OFF IWATE PREF 39.6N 142.2E 86km 3.8 192.1˚/285.2˚ 89.7˚/5.6˚ -84.4˚/-176.9˚ 78.9 3 C
2023-03-12 22:43:50 NORTHERN IBARAKI PREF 36.8N 140.6E 5km 3.2 200.0˚/354.8˚ 63.9˚/28.4˚ -78.3˚/-112.5˚ 67.2 3 C
2023-03-12 10:06:08 NEMURO REGION 43.5N 144.8E 135km 3.6 148.2˚/275.2˚ 10.1˚/83.9˚ -37.4˚/-98.1˚ 77.9 3 C
2023-03-11 18:18:38 SOUTHERN MIYAGI PREF 38.0N 140.5E 95km 3.7 151.8˚/353.2˚ 45.4˚/46.6˚ 74.6˚/105.1˚ 63.4 4 M
2023-03-11 05:13:44 CENTRAL CHIBA PREF 35.7N 140.0E 59km 4.3 124.3˚/218.8˚ 28.7˚/87.6˚ -5.1˚/-118.6˚ 95.2 3 M
2023-03-11 05:12:43 HIDAKA MOUNTAINS REGION 42.2N 143.0E 54km 4.7 200.6˚/28.9˚ 23.2˚/67.0˚ 82.4˚/93.2˚ 81.9 10 C
2023-03-07 21:13:29 NE AICHI PREF 35.0N 137.7E 30km 3.2 125.0˚/32.7˚ 74.7˚/81.6˚ 8.7˚/164.5˚ 63.8 4 C
2023-03-07 07:24:51 SE OFF TOKACHI 42.3N 144.7E 26km 4.8 64.3˚/222.7˚ 67.6˚/23.9˚ 98.6˚/70.1˚ 84.3 8 C
2023-03-07 06:07:29 S OFF TOMAKOMAI 42.4N 141.8E 104km 3.7 7.1˚/261.4˚ 37.0˚/78.5˚ -160.6˚/-54.6˚ 56.9 5 C
2023-03-03 11:10:25 E OFF FUKUSHIMA PREF 37.7N 141.7E 50km 3.7 174.3˚/28.1˚ 80.5˚/11.4˚ 83.7˚/123.3˚ 78.2 3 C
2023-03-02 02:21:34 E OFF IBARAKI PREF 36.0N 140.8E 78km 3.7 192.0˚/347.7˚ 61.1˚/31.2˚ -77.7˚/-111.1˚ 73.0 3 C
2023-03-01 00:48:08 NEAR CHOSHI CITY 35.7N 140.7E 52km 4.5 183.0˚/1.2˚ 21.8˚/68.2˚ 91.7˚/89.3˚ 92.0 6 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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