Alert Survey - Earthquake parameters in region Off east coast of Honshu, Japan, date 2026-04-20 08:03:08, lat 40.29, lon 143.81

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Earthquake parameters in region Off east coast of Honshu, Japan,
date 2026-04-20 08:03:08, lat 40.29, lon 143.81, depth 33 km, mb: 5.3/19
detemined with station data:

N	Code	Time	Phase	Delta	Azimuth	Residual	Ms	mb	Network
1	ERM	08:03:37.5	P	1.79	344	0.6	-	-	HSS
2	JKA	08:04:05.3	P	3.93	347	-1.0	-	-	IDC
3	YUK	08:04:09.0	P	4.04	21	1.2	-	-	SAGSR
4	MAJO	08:04:31.9	P	5.77	231	0.3	-	-	JMA
5	YSS	08:04:46.1	P	6.71	354	1.6	-	-	SAGSR
6	USRK	08:05:25.0	P	9.60	298	0.9	-	-	IDC
7	USA0B	08:05:25.1	P	9.60	298	1.0	-	-	RIPT
8	KLR	08:05:59.4	P	12.38	320	-2.8	-	-	OBGSR
9	KSRS	08:06:06.7	P	12.74	262	-0.3	-	-	USAF
10	ZEA	08:07:07.7	P	17.50	326	-2.1	-	-	SAGSR
11	MA2	08:07:37.6	P	19.80	10	1.8	-	-	NEGSR
12	TUP	08:07:52.9	P	21.33	319	0.5	-	5.3	BAGSR
13	SEY	08:08:12.0	P	23.25	10	-0.7	-	5.1	NEGSR
14	YAK	08:08:13.3	P	23.40	343	-0.9	-	5.4	YAGSR
15	ULN	08:08:51.6	P	27.27	298	2.1	-	5.1	OBM
16	PDYAR	08:08:54.1	P	27.56	325	2.0	-	5.4	RIPT
17	BILL	08:09:18.9	P	30.44	17	1.2	-	4.6	NEGSR
18	MOY	08:09:28.7	P	31.42	306	2.4	-	5.6	BAGSR
19	ORL	08:09:35.1	P	32.21	307	1.9	-	5.1	BAGSR
20	TIXI	08:09:33.6	P	32.32	351	-0.6	-	5.0	YAGSR
21	DGZ	08:10:39.6	P	40.11	303	-1.0	-	5.6	ASGSR
22	ZAA0B	08:10:47.0	P	41.20	310	-2.6	-	5.5	RIPT
23	MK31	08:11:09.9	P	44.06	300	-3.0	-	5.3	NNC
24	BORK	08:11:57.8	P	49.86	311	-0.4	-	5.4	NNC
25	AAK	08:12:06.0	P	50.65	297	1.8	-	5.1	KYRG
26	ARTI	08:12:38.2	P	55.30	318	-0.2	-	5.8	OBGSR
27	JZAX	08:12:43.2	P	56.35	297	-2.7	-	5.3	IRIS-IDA
28	KIV	08:14:17.3	P	70.19	311	-0.5	-	6.0	OBGSR
29	ZEI	08:14:16.6	P	70.19	310	-1.1	-	5.4	OBGSR
30	KBZ	08:14:17.8	P	70.20	311	-0.0	-	5.6	RIPT
31	NOA	08:14:28.0	P	71.90	338	-0.1	-	-	NAO