| 日期 (UTC) | 20240220 |
|---|---|
| 事件總數 | 71 |
| ↑ up (紅) | 23 |
| ↓ down (橘) | 9 |
| 共模噪音 (綠) | 36 |
| 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 — 20240220 Total: 71 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=9.729e-09 std=1.927e-08 min=2.333e-09 Q25=3.265e-09 median=3.903e-09 Q75=5.582e-09 max=1.092e-07 ID timestamp_tw (UTC+8) RMS_below300m fk_label CWA ------------------------------------------------------------------ 000 2024-02-20 08:01:41 3.644e-09 up 0 001 2024-02-20 08:02:15 4.315e-09 up 0 002 2024-02-20 08:02:40 8.939e-09 up 0 003 2024-02-20 08:31:04 4.073e-09 down 0 004 2024-02-20 09:06:05 3.544e-09 noise 0 005 2024-02-20 09:10:50 3.928e-09 noise 0 006 2024-02-20 09:11:57 1.195e-08 noise_large 0 007 2024-02-20 10:00:43 3.999e-09 noise 0 008 2024-02-20 10:29:45 4.232e-09 noise 0 009 2024-02-20 10:37:47 3.970e-09 noise 0 010 2024-02-20 10:51:14 3.853e-09 noise 0 011 2024-02-20 10:55:31 4.289e-09 up 0 012 2024-02-20 10:57:15 4.048e-09 noise 0 013 2024-02-20 11:04:37 5.859e-09 up 0 014 2024-02-20 11:11:35 4.117e-09 noise 0 015 2024-02-20 11:19:29 4.106e-09 noise 0 016 2024-02-20 11:35:05 4.056e-09 noise 0 017 2024-02-20 11:46:34 3.781e-09 down 0 018 2024-02-20 12:23:26 3.125e-09 noise 0 019 2024-02-20 12:56:59 3.276e-09 noise 0 020 2024-02-20 13:32:15 3.424e-09 down 0 021 2024-02-20 13:32:49 3.903e-09 down 0 022 2024-02-20 14:13:40 3.323e-09 up 0 023 2024-02-20 15:08:27 7.894e-09 up 0 024 2024-02-20 16:09:58 4.036e-09 up 0 025 2024-02-20 16:29:55 5.580e-09 up 0 026 2024-02-20 16:33:34 5.933e-09 up 0 027 2024-02-20 16:38:46 7.719e-09 up 0 028 2024-02-20 17:02:51 3.433e-09 noise 0 029 2024-02-20 18:38:50 2.823e-09 noise 0 030 2024-02-20 18:46:58 3.264e-09 noise 0 031 2024-02-20 20:37:14 3.267e-09 noise 0 032 2024-02-20 20:57:14 2.333e-09 noise 0 033 2024-02-20 21:20:50 4.681e-09 up 0 034 2024-02-20 21:56:59 2.934e-08 noise_large 0 035 2024-02-20 21:58:28 3.275e-08 noise_large 0 036 2024-02-20 22:18:44 1.015e-07 up 0 037 2024-02-20 22:48:32 5.585e-09 up 0 038 2024-02-20 22:49:42 4.671e-09 up 0 039 2024-02-20 22:58:19 6.462e-08 up 0 040 2024-02-20 22:59:32 5.345e-08 down 0 041 2024-02-20 23:13:05 9.432e-09 up 0 042 2024-02-20 23:13:19 1.356e-08 up 0 043 2024-02-20 23:14:26 9.587e-09 up 0 044 2024-02-20 23:14:38 6.905e-09 noise 0 045 2024-02-20 23:26:48 1.864e-08 down 0 046 2024-02-20 23:48:14 3.090e-09 noise 0 047 2024-02-20 23:50:02 3.765e-09 up 0 048 2024-02-20 23:52:08 2.520e-09 noise 0 049 2024-02-20 23:53:35 4.116e-09 noise 0 050 2024-02-20 23:53:51 2.609e-09 noise 0 051 2024-02-20 23:55:31 3.746e-09 noise 0 052 2024-02-20 23:56:30 3.687e-09 down 0 053 2024-02-20 23:58:20 3.010e-09 noise 0 054 2024-02-20 23:58:47 2.914e-09 noise 0 055 2024-02-21 00:00:09 3.341e-09 up 0 056 2024-02-21 00:07:40 3.353e-09 noise 0 057 2024-02-21 00:09:04 1.092e-07 up 0 058 2024-02-21 00:15:20 3.037e-09 noise 0 059 2024-02-21 00:17:58 2.451e-09 noise 0 060 2024-02-21 00:39:18 3.538e-09 down 0 061 2024-02-21 00:49:32 2.682e-09 up 0 062 2024-02-21 02:07:11 3.191e-09 noise 0 063 2024-02-21 03:07:40 2.508e-09 noise 0 064 2024-02-21 03:09:15 3.518e-09 noise 0 065 2024-02-21 04:27:43 4.701e-09 down 0 066 2024-02-21 04:48:00 2.656e-09 noise 0 067 2024-02-21 05:08:14 2.927e-09 noise 0 068 2024-02-21 05:21:32 2.948e-09 noise 0 069 2024-02-21 06:21:53 3.768e-09 noise 0 070 2024-02-21 07:42:37 2.773e-09 noise 0