Focal Mechanism Catalog

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Focal Mechanism Catalog
Focal mechanisms automatically determined by the AQUA system.
Focal mechanisms are available for the period from August, 2004 to March, 2025.

Definition of Terms (Japanese only)					Year: Month:
Mar, 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
2025-03-20 19:46:08	HIDAKA REGION	42.4N	142.6E	39km	3.8	292.9˚/194.1˚	48.1˚/80.3˚	13.1˚/137.3˚	72.8	7	C
2025-03-20 18:15:41	MID NIIGATA PREF	37.2N	139.0E	185km	4.2	328.6˚/65.5˚	20.7˚/87.4˚	-7.4˚/-110.5˚	89.6	7	C
2025-03-19 13:25:17	OFF NOTO PENINSULA	37.1N	136.6E	2km	4.5	237.9˚/23.2˚	20.1˚/73.2˚	123.0˚/78.7˚	89.0	8	C
2025-03-18 07:30:44	E OFF MIYAGI PREF	38.9N	142.7E	51km	3.7	156.5˚/49.8˚	69.4˚/52.7˚	40.4˚/153.7˚	79.7	3	C
2025-03-18 05:00:38	AMAKUSA REGION	32.5N	130.5E	8km	4.7	121.5˚/233.5˚	67.1˚/48.4˚	-46.1˚/-148.7˚	90.7	8	C
2025-03-17 21:57:16	E OFF IWATE PREF	39.8N	142.4E	56km	4.3	138.6˚/40.3˚	54.9˚/78.3˚	14.3˚/144.0˚	94.8	4	C
2025-03-17 00:49:54	TOKACHI REGION	42.7N	143.2E	110km	4.2	76.1˚/283.5˚	84.0˚/6.8˚	86.9˚/117.2˚	88.2	6	C
2025-03-15 22:50:08	ISHIKARI DEPRESSION	42.9N	141.9E	140km	4.2	159.6˚/39.6˚	57.5˚/51.8˚	47.1˚/136.9˚	88.6	10	C
2025-03-15 15:40:37	NORTHERN IBARAKI PREF	36.5N	140.6E	55km	3.7	187.5˚/21.2˚	25.2˚/65.4˚	77.6˚/95.8˚	80.1	7	C
2025-03-15 00:04:58	WESTERN FUKUSHIMA PREF	37.7N	139.9E	195km	3.9	28.5˚/291.5˚	87.4˚/20.6˚	-110.4˚/-7.4˚	64.3	4	C
2025-03-12 23:20:18	MID FUKUSHIMA PREF	36.9N	140.3E	73km	4.0	68.3˚/317.8˚	66.2˚/51.6˚	-137.2˚/-31.0˚	92.4	6	C
2025-03-11 11:41:25	SE OFF TOKACHI	42.5N	144.1E	59km	4.5	177.0˚/72.2˚	26.3˚/82.8˚	16.4˚/115.4˚	90.9	7	C
2025-03-10 09:51:38	NW OFF SHAKOTAN PEN	43.5N	139.8E	220km	4.6	128.2˚/30.6˚	81.4˚/49.0˚	-138.4˚/-11.4˚	88.4	7	C
2025-03-08 16:12:17	NE OFF IWATE PREF	40.1N	142.5E	41km	5.1	174.6˚/24.6˚	18.9˚/73.5˚	61.4˚/99.3˚	93.2	5	C
2025-03-08 12:31:37	HIDAKA MOUNTAINS REGION	42.3N	143.1E	53km	3.7	32.8˚/238.6˚	61.9˚/30.7˚	77.2˚/112.5˚	67.0	3	C
2025-03-06 12:58:58	SOUTHERN NARA PREF	34.0N	135.6E	30km	3.8	94.5˚/213.1˚	33.4˚/72.5˚	-33.1˚/-118.9˚	88.1	12	C
2025-03-04 15:12:05	SW IBARAKI PREF	36.2N	140.0E	59km	4.0	49.4˚/263.4˚	71.8˚/21.6˚	78.1˚/122.1˚	77.2	7	C
2025-03-03 12:50:59	SOUTHERN TOCHIGI PREF	36.3N	139.5E	150km	4.3	85.0˚/322.0˚	67.2˚/37.6˚	59.2˚/140.6˚	86.8	8	C
2025-03-01 22:17:02	SE OFF MIYAGI PREF	38.1N	141.8E	50km	3.8	210.1˚/16.8˚	18.9˚/71.6˚	102.6˚/85.7˚	82.8	7	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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