Alert Survey - Earthquake parameters in region Off east coast of Honshu, Japan, date 2026-04-20 08:14:45, lat 39.62, lon 143.65

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Earthquake parameters in region Off east coast of Honshu, Japan,
date 2026-04-20 08:14:45, lat 39.62, lon 143.65, depth 25 km, mb: 4.9/15
detemined with station data:

N	Code	Time	Phase	Delta	Azimuth	Residual	Ms	mb	Network
1	ERM	08:15:23.0	P	2.42	351	-0.3	-	-	HSS
2	JKA	08:15:52.6	P	4.56	350	-0.1	-	-	IDC
3	YUK	08:15:54.3	P	4.71	20	-0.4	-	-	SAGSR
4	MAJO	08:16:03.5	P	5.28	236	0.9	-	-	JMA
5	MJAR	08:16:03.8	P	5.29	236	1.0	-	-	JMA
6	YSS	08:16:31.5	P	7.36	355	0.3	-	-	SAGSR
7	USA0B	08:17:05.9	P	9.82	302	0.9	-	-	RIPT
8	USRK	08:17:07.3	P	9.82	302	2.4	-	-	IDC
9	KLR	08:17:48.3	P	12.83	322	2.2	-	-	OBGSR
10	ZEA	08:18:52.0	P	17.99	327	-1.6	-	-	SAGSR
11	MA2	08:19:19.9	P	20.48	10	-1.3	-	4.9	NEGSR
12	TUP	08:19:35.2	P	21.77	321	0.2	-	4.9	BAGSR
13	SEY	08:19:58.1	P	23.93	10	0.8	-	5.0	NEGSR
14	YAK	08:19:57.2	P	24.01	344	-0.8	-	5.1	YAGSR
15	ULN	08:20:28.9	P	27.49	300	-0.7	-	4.7	OBM
16	SONM	08:20:33.4	P	27.93	299	-0.1	-	-	OBM
17	PDYAR	08:20:36.3	P	28.04	326	1.7	-	4.5	RIPT
18	DGZ	08:22:21.8	P	40.37	304	0.9	-	4.8	ASGSR
19	ZAA0B	08:22:29.8	P	41.53	310	-0.7	-	4.8	RIPT
20	ZALV	08:22:30.1	P	41.53	310	-0.4	-	-	RIPT
21	MK31	08:22:52.2	P	44.29	300	-0.6	-	4.8	NNC
22	MKAR	08:22:52.5	P	44.49	300	-1.9	-	-	NNC
23	KURK	08:23:04.0	P	45.77	306	-0.6	-	4.9	NNC
24	ILAR	08:23:10.8	P	46.37	34	1.5	-	-	USAF
25	AAK	08:23:43.6	P	50.84	297	-0.1	-	4.5	KYRG
26	ARTI	08:24:19.6	P	55.72	318	0.0	-	4.9	OBGSR
27	JZAX	08:24:25.0	P	56.54	297	-0.5	-	4.9	IRIS-IDA
28	WRA	08:24:48.6	P	59.89	190	-0.3	-	-	CAN
29	ARCES	08:25:04.6	P	62.20	339	-0.0	-	-	NAO
30	ASAR	08:25:15.3	P	63.61	190	1.2	-	-	AUST
31	FINES	08:25:36.8	P	67.34	333	-1.4	-	-	HEL
32	KIV	08:25:58.5	P	70.54	311	0.4	-	5.5	OBGSR
33	KBZ	08:25:58.8	P	70.55	311	0.7	-	5.2	RIPT
34	NOA	08:26:08.0	P	72.47	338	-1.7	-	-	NAO
35	AKASG	08:26:13.7	P	73.32	323	-1.0	-	-	NSAU