| 日期 (UTC) | 20240316 |
|---|---|
| 事件總數 | 53 |
| ↑ up (紅) | 18 |
| ↓ down (橘) | 11 |
| 共模噪音 (綠) | 21 |
| noise_large (洋紅) | 3 |
| CWA 地震 (紫★) | 0 |
| RMS max | 0.000 |
| RMS median | 0.000 |
| RMS mean | 0.000 |


互動版(24 條小時線):點圖例中的小時色塊 → 該小時線變明顯、其餘變半透明;再點一次還原。

點擊上圖的紅色 up 事件以顯示 waterfall plot。



MiDAS Daily RMS peaks — 20240316 Total: 53 events [RMS_below300m 欄位說明] 來源 : 2024 backfill nc(100Hz decimated,Hole A trace 1307–1403,跳過頂部 73 ch,對應深度 ~300–700 m) 前處理: per-file bad-channel masking(median+10×MAD) → bandpass 1–20 Hz(sosfiltfilt,逐檔獨立,非跨檔 causal filter state) 公式 : sqrt( sum(x[ch,t]^2) / (97 ch × 100 samples) ) / DAS_SENSITIVITY 意義 : STA/LTA 偵測峰值那一秒,97 個 channel × 100 個取樣點的 RMS 振幅 單位 : strain rate (1/s),已轉換為物理應變率(DAS_SENSITIVITY=7.0621e+08) 參考值: 典型背景 ~7.08e-10–2.83e-09,大地震 > 1.13e-08 RMS stats mean=6.456e-09 std=1.121e-08 min=1.960e-09 Q25=2.555e-09 median=3.044e-09 Q75=4.525e-09 max=6.710e-08 ID timestamp_tw (UTC+8) RMS_below300m fk_label CWA ------------------------------------------------------------------ 000 2024-03-16 08:02:17 2.473e-09 noise 0 001 2024-03-16 08:16:11 2.555e-09 noise 0 002 2024-03-16 08:21:03 3.052e-09 down 0 003 2024-03-16 08:26:57 7.269e-09 noise 0 004 2024-03-16 08:45:38 2.178e-09 noise 0 005 2024-03-16 09:25:02 4.525e-09 up 0 006 2024-03-16 09:34:56 5.512e-09 up 0 007 2024-03-16 09:35:13 8.049e-09 up 0 008 2024-03-16 10:58:19 1.336e-08 noise_large 0 009 2024-03-16 11:11:32 1.483e-08 noise_large 0 010 2024-03-16 11:35:04 6.511e-09 up 0 011 2024-03-16 12:49:33 3.805e-08 noise_large 0 012 2024-03-16 13:20:51 3.131e-09 up 0 013 2024-03-16 14:53:56 3.610e-09 up 0 014 2024-03-16 14:58:07 2.841e-09 down 0 015 2024-03-16 14:58:38 3.493e-09 down 0 016 2024-03-16 15:16:58 2.939e-09 down 0 017 2024-03-16 15:50:04 3.177e-09 down 0 018 2024-03-16 15:52:09 2.933e-09 down 0 019 2024-03-16 15:52:42 3.310e-09 down 0 020 2024-03-16 16:16:39 2.714e-09 down 0 021 2024-03-16 16:24:41 2.493e-09 down 0 022 2024-03-16 16:31:42 3.291e-09 down 0 023 2024-03-16 17:13:47 4.254e-08 up 0 024 2024-03-16 18:33:57 2.322e-09 up 0 025 2024-03-16 18:35:45 2.654e-09 noise 0 026 2024-03-16 18:38:08 2.804e-09 up 0 027 2024-03-16 18:40:46 2.798e-09 noise 0 028 2024-03-16 18:46:22 6.710e-08 up 0 029 2024-03-16 18:52:40 2.223e-09 noise 0 030 2024-03-16 18:55:17 3.394e-09 noise 0 031 2024-03-16 19:05:26 2.515e-09 up 0 032 2024-03-16 19:45:47 1.018e-08 down 0 033 2024-03-16 19:55:28 1.960e-09 noise 0 034 2024-03-16 19:59:19 3.747e-09 up 0 035 2024-03-16 20:18:39 2.771e-09 up 0 036 2024-03-16 21:00:57 5.046e-09 up 0 037 2024-03-16 21:24:38 3.960e-09 noise 0 038 2024-03-16 21:47:06 3.044e-09 noise 0 039 2024-03-16 21:50:24 2.390e-09 noise 0 040 2024-03-16 22:30:28 2.685e-09 noise 0 041 2024-03-16 23:21:35 2.078e-09 noise 0 042 2024-03-16 23:35:08 2.046e-09 noise 0 043 2024-03-16 23:52:14 5.458e-09 up 0 044 2024-03-17 00:13:44 2.870e-09 up 0 045 2024-03-17 00:21:16 2.096e-09 noise 0 046 2024-03-17 00:23:44 2.075e-09 noise 0 047 2024-03-17 00:47:18 2.919e-09 noise 0 048 2024-03-17 04:03:55 3.341e-09 noise 0 049 2024-03-17 05:17:26 2.180e-09 noise 0 050 2024-03-17 05:59:16 2.832e-09 noise 0 051 2024-03-17 07:28:58 4.748e-09 up 0 052 2024-03-17 07:38:13 3.125e-09 up 0