VLF Events – Spring Brook Township, Pennsylvania, USA (41.33N, 75.60W)
pm = power metric (relative signal strength) |
K = dominant frequency bin of the detected signal
30 most recent events,
last updated: — UTC
0 events in last 24 hours,
53 events in last week
UTC: 2026-04-13 19:32:28
PM: 3.4 | K: 5577
UTC: 2026-04-13 12:29:50
PM: 5.2 | K: 4100
UTC: 2026-04-13 12:27:58
PM: 3.0 | K: 4100
UTC: 2026-04-13 12:22:37
PM: 3.7 | K: 4100
UTC: 2026-04-13 12:14:47
PM: 7.0 | K: 3515
UTC: 2026-04-13 12:13:09
PM: 5.4 | K: 4100
UTC: 2026-04-13 12:11:01
PM: 9.2 | K: 4100
UTC: 2026-04-13 11:44:38
PM: 4.9 | K: 3515
UTC: 2026-04-13 11:38:52
PM: 4.2 | K: 3014
UTC: 2026-04-13 11:35:34
PM: 4.7 | K: 5577
UTC: 2026-04-13 11:34:33
PM: 6.4 | K: 3515
UTC: 2026-04-13 11:32:51
PM: 4.4 | K: 4100
UTC: 2026-04-13 11:14:12
PM: 4.7 | K: 4100
UTC: 2026-04-13 11:05:37
PM: 5.1 | K: 4100
UTC: 2026-04-13 07:49:04
PM: 3.0 | K: 6505
UTC: 2026-04-13 06:57:34
PM: 3.6 | K: 4100
UTC: 2026-04-13 05:12:36
PM: 3.0 | K: 6505
UTC: 2026-04-13 05:12:28
PM: 3.9 | K: 4100
UTC: 2026-04-13 05:12:09
PM: 3.3 | K: 5577
UTC: 2026-04-13 05:11:26
PM: 3.4 | K: 7587
UTC: 2026-04-13 04:59:51
PM: 4.0 | K: 5577
UTC: 2026-04-13 04:44:58
PM: 4.3 | K: 6505
UTC: 2026-04-13 04:44:45
PM: 3.2 | K: 4782
UTC: 2026-04-13 04:27:43
PM: 3.3 | K: 6505
UTC: 2026-04-13 04:15:56
PM: 3.0 | K: 3515
UTC: 2026-04-12 11:14:14
PM: 5.6 | K: 4100
UTC: 2026-04-12 08:12:14
PM: 5.8 | K: 4100
UTC: 2026-04-12 07:33:05
PM: 9.9 | K: 3515
UTC: 2026-04-12 06:16:56
PM: 3.7 | K: 3515
UTC: 2026-04-12 03:56:25
PM: 3.2 | K: 5577
Top 50 strongest events (sorted by pm)
UTC: 2026-04-12 07:33:05
PM: 9.9 | K: 3515
UTC: 2026-04-13 12:11:01
PM: 9.2 | K: 4100
UTC: 2026-04-09 02:45:26
PM: 8.1 | K: 4100
UTC: 2026-04-07 08:01:24
PM: 7.7 | K: 4100
UTC: 2026-04-13 12:14:47
PM: 7.0 | K: 3515
UTC: 2026-04-07 07:56:12
PM: 6.7 | K: 3515
UTC: 2026-04-13 11:34:33
PM: 6.4 | K: 3515
UTC: 2026-03-17 22:53:24
PM: 6.1 | K: 5577
UTC: 2026-04-12 08:12:14
PM: 5.8 | K: 4100
UTC: 2026-04-12 11:14:14
PM: 5.6 | K: 4100
UTC: 2026-03-17 23:32:51
PM: 5.5 | K: 4100
UTC: 2026-04-13 12:13:09
PM: 5.4 | K: 4100
UTC: 2026-04-13 12:29:50
PM: 5.2 | K: 4100
UTC: 2026-04-02 05:41:18
PM: 5.1 | K: 4782
UTC: 2026-04-13 11:05:37
PM: 5.1 | K: 4100
UTC: 2026-04-13 11:44:38
PM: 4.9 | K: 3515
UTC: 2026-04-13 11:35:34
PM: 4.7 | K: 5577
UTC: 2026-04-13 11:14:12
PM: 4.7 | K: 4100
UTC: 2026-02-09 08:54:55
PM: 4.6 | K: 5577
UTC: 2026-02-09 02:35:57
PM: 4.5 | K: 4782
UTC: 2026-02-20 21:26:08
PM: 4.5 | K: 10321
UTC: 2026-04-13 11:32:51
PM: 4.4 | K: 4100
UTC: 2026-04-13 04:44:58
PM: 4.3 | K: 6505
UTC: 2026-03-09 17:32:47
PM: 4.3 | K: 4100
UTC: 2026-04-13 11:38:52
PM: 4.2 | K: 3014
UTC: 2026-03-07 16:27:02
PM: 4.2 | K: 4100
UTC: 2026-04-04 10:10:12
PM: 4.1 | K: 4782
UTC: 2026-03-16 16:06:51
PM: 4.1 | K: 5577
UTC: 2026-04-13 04:59:51
PM: 4.0 | K: 5577
UTC: 2026-04-05 14:11:09
PM: 4.0 | K: 3014
UTC: 2026-01-11 18:22:46
PM: 4.0 | K: 10321
UTC: 2026-03-09 17:07:47
PM: 3.9 | K: 4100
UTC: 2026-04-09 01:27:53
PM: 3.9 | K: 4100
UTC: 2026-03-23 20:28:24
PM: 3.9 | K: 4782
UTC: 2026-04-13 05:12:28
PM: 3.9 | K: 4100
UTC: 2026-04-05 04:51:08
PM: 3.8 | K: 4782
UTC: 2026-04-04 09:50:51
PM: 3.7 | K: 4100
UTC: 2026-04-13 12:22:37
PM: 3.7 | K: 4100
UTC: 2026-04-10 06:44:24
PM: 3.7 | K: 6505
UTC: 2026-04-12 06:16:56
PM: 3.7 | K: 3515
UTC: 2026-02-08 13:09:49
PM: 3.7 | K: 8849
UTC: 2026-04-05 06:19:41
PM: 3.7 | K: 8849
UTC: 2026-04-13 06:57:34
PM: 3.6 | K: 4100
UTC: 2026-04-05 14:09:33
PM: 3.6 | K: 4782
UTC: 2026-04-10 04:48:48
PM: 3.6 | K: 4782
UTC: 2026-02-09 02:10:34
PM: 3.5 | K: 4782
UTC: 2026-03-31 15:37:27
PM: 3.5 | K: 4782
UTC: 2026-04-11 05:55:08
PM: 3.5 | K: 6505
UTC: 2026-02-09 11:34:45
PM: 3.5 | K: 5577
UTC: 2026-02-09 03:10:22
PM: 3.5 | K: 6505