| 日期 (UTC) | 20240217 |
|---|---|
| 事件總數 | 66 |
| ↑ up (紅) | 25 |
| ↓ down (橘) | 10 |
| 共模噪音 (綠) | 30 |
| noise_large (洋紅) | 1 |
| 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 — 20240217 Total: 66 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=6.459e-09 std=9.850e-09 min=2.167e-09 Q25=3.099e-09 median=3.601e-09 Q75=5.026e-09 max=7.010e-08 ID timestamp_tw (UTC+8) RMS_below300m fk_label CWA ------------------------------------------------------------------ 000 2024-02-17 08:34:44 3.541e-09 noise 0 001 2024-02-17 09:33:21 3.134e-09 noise 0 002 2024-02-17 11:05:59 1.540e-08 up 0 003 2024-02-17 11:23:57 3.561e-09 noise 0 004 2024-02-17 11:46:52 1.941e-08 noise_large 0 005 2024-02-17 11:50:00 3.578e-09 down 0 006 2024-02-17 12:19:51 6.297e-09 noise 0 007 2024-02-17 13:01:16 3.190e-09 noise 0 008 2024-02-17 14:26:11 4.008e-09 down 0 009 2024-02-17 14:34:52 1.343e-08 down 0 010 2024-02-17 14:57:40 5.698e-09 up 0 011 2024-02-17 15:59:35 3.394e-09 down 0 012 2024-02-17 16:06:03 2.583e-09 up 0 013 2024-02-17 16:32:16 3.380e-09 up 0 014 2024-02-17 16:39:49 3.864e-09 down 0 015 2024-02-17 16:53:11 2.913e-09 noise 0 016 2024-02-17 16:55:30 3.616e-09 noise 0 017 2024-02-17 17:15:50 3.699e-09 noise 0 018 2024-02-17 17:18:00 3.585e-09 up 0 019 2024-02-17 17:18:24 9.372e-09 up 0 020 2024-02-17 17:19:39 3.267e-09 noise 0 021 2024-02-17 17:33:46 3.203e-09 down 0 022 2024-02-17 17:35:28 2.974e-09 noise 0 023 2024-02-17 17:46:18 3.022e-09 down 0 024 2024-02-17 18:13:34 4.005e-09 noise 0 025 2024-02-17 18:14:17 4.048e-09 noise 0 026 2024-02-17 18:55:04 3.684e-09 noise 0 027 2024-02-17 18:59:44 3.018e-09 noise 0 028 2024-02-17 19:01:06 3.370e-09 noise 0 029 2024-02-17 19:54:01 3.111e-09 noise 0 030 2024-02-17 19:59:36 1.047e-08 up 0 031 2024-02-17 20:00:09 7.010e-08 up 0 032 2024-02-17 20:00:53 4.248e-08 up 0 033 2024-02-17 20:02:44 1.367e-08 up 0 034 2024-02-17 20:09:53 4.117e-09 noise 0 035 2024-02-17 20:14:08 4.008e-09 noise 0 036 2024-02-17 20:34:18 5.205e-09 up 0 037 2024-02-17 20:54:04 2.573e-09 noise 0 038 2024-02-17 21:04:14 3.096e-09 up 0 039 2024-02-17 21:13:21 7.045e-09 up 0 040 2024-02-17 21:33:45 3.980e-09 noise 0 041 2024-02-17 21:36:27 2.393e-09 up 0 042 2024-02-17 22:07:11 4.202e-09 up 0 043 2024-02-17 22:33:11 2.846e-09 noise 0 044 2024-02-17 22:34:22 2.364e-09 up 0 045 2024-02-17 22:55:12 1.975e-08 up 0 046 2024-02-17 23:10:09 2.494e-09 up 0 047 2024-02-17 23:50:41 2.702e-09 down 0 048 2024-02-18 00:03:12 2.668e-09 up 0 049 2024-02-18 01:51:37 3.315e-09 noise 0 050 2024-02-18 02:18:16 2.239e-09 noise 0 051 2024-02-18 02:23:10 5.484e-09 up 0 052 2024-02-18 03:21:28 2.167e-09 noise 0 053 2024-02-18 03:57:55 3.804e-09 up 0 054 2024-02-18 04:22:24 2.742e-09 noise 0 055 2024-02-18 04:52:11 3.338e-09 up 0 056 2024-02-18 05:33:27 3.839e-09 up 0 057 2024-02-18 05:35:48 4.491e-09 down 0 058 2024-02-18 05:41:38 3.801e-09 down 0 059 2024-02-18 05:44:22 7.333e-09 noise 0 060 2024-02-18 05:44:59 7.317e-09 noise 0 061 2024-02-18 05:52:03 5.401e-09 up 0 062 2024-02-18 07:22:23 3.808e-09 noise 0 063 2024-02-18 07:31:48 3.040e-09 noise 0 064 2024-02-18 07:49:17 3.407e-09 up 0 065 2024-02-18 07:55:34 3.221e-09 noise 0