| 日期 (UTC) | 20240223 |
|---|---|
| 事件總數 | 84 |
| ↑ up (紅) | 21 |
| ↓ down (橘) | 19 |
| 共模噪音 (綠) | 44 |
| noise_large (洋紅) | 0 |
| 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 — 20240223 Total: 84 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=5.147e-09 std=4.277e-09 min=2.437e-09 Q25=3.541e-09 median=3.912e-09 Q75=4.422e-09 max=2.488e-08 ID timestamp_tw (UTC+8) RMS_below300m fk_label CWA ------------------------------------------------------------------ 000 2024-02-23 08:13:18 4.747e-09 down 0 001 2024-02-23 08:20:11 4.015e-09 down 0 002 2024-02-23 09:01:05 4.127e-09 noise 0 003 2024-02-23 09:05:17 3.426e-09 noise 0 004 2024-02-23 09:10:51 3.993e-09 noise 0 005 2024-02-23 09:28:50 3.702e-09 noise 0 006 2024-02-23 09:45:23 3.564e-09 noise 0 007 2024-02-23 10:22:29 4.176e-09 noise 0 008 2024-02-23 10:32:20 4.372e-09 noise 0 009 2024-02-23 10:42:59 4.384e-09 noise 0 010 2024-02-23 10:46:59 1.821e-08 up 0 011 2024-02-23 10:47:42 1.533e-08 up 0 012 2024-02-23 10:51:26 3.921e-09 noise 0 013 2024-02-23 11:09:53 3.852e-09 noise 0 014 2024-02-23 11:20:49 3.822e-09 noise 0 015 2024-02-23 11:25:12 3.150e-09 noise 0 016 2024-02-23 11:31:14 1.765e-08 up 0 017 2024-02-23 11:40:12 3.695e-09 noise 0 018 2024-02-23 11:51:01 3.791e-09 noise 0 019 2024-02-23 11:56:42 3.763e-09 noise 0 020 2024-02-23 11:58:38 3.867e-09 up 0 021 2024-02-23 12:30:17 3.691e-09 noise 0 022 2024-02-23 13:07:39 3.908e-09 up 0 023 2024-02-23 13:58:26 4.757e-09 noise 0 024 2024-02-23 14:07:18 5.113e-09 noise 0 025 2024-02-23 14:12:26 3.970e-09 down 0 026 2024-02-23 14:19:17 3.685e-09 noise 0 027 2024-02-23 14:21:55 3.784e-09 noise 0 028 2024-02-23 14:27:50 4.168e-09 down 0 029 2024-02-23 14:30:23 3.781e-09 noise 0 030 2024-02-23 14:31:02 4.048e-09 noise 0 031 2024-02-23 14:38:36 3.589e-09 down 0 032 2024-02-23 14:49:39 4.519e-09 down 0 033 2024-02-23 14:50:13 4.542e-09 down 0 034 2024-02-23 14:50:35 4.640e-09 down 0 035 2024-02-23 14:50:53 4.420e-09 down 0 036 2024-02-23 15:10:34 3.750e-09 noise 0 037 2024-02-23 15:11:24 3.991e-09 noise 0 038 2024-02-23 15:15:08 4.426e-09 noise 0 039 2024-02-23 15:17:00 4.072e-09 noise 0 040 2024-02-23 15:18:32 3.918e-09 noise 0 041 2024-02-23 15:35:25 3.937e-09 noise 0 042 2024-02-23 15:46:58 3.758e-09 noise 0 043 2024-02-23 15:53:40 3.915e-09 down 0 044 2024-02-23 15:56:25 3.897e-09 noise 0 045 2024-02-23 16:26:55 4.238e-09 down 0 046 2024-02-23 16:29:19 5.291e-09 up 0 047 2024-02-23 16:29:37 5.405e-09 up 0 048 2024-02-23 17:02:00 4.290e-09 down 0 049 2024-02-23 17:34:29 3.472e-09 noise 0 050 2024-02-23 17:38:02 3.350e-09 down 0 051 2024-02-23 18:25:49 1.436e-08 up 0 052 2024-02-23 18:35:37 3.639e-09 down 0 053 2024-02-23 18:49:35 4.714e-09 up 0 054 2024-02-23 18:57:44 3.246e-09 noise 0 055 2024-02-23 19:14:48 3.232e-09 down 0 056 2024-02-23 19:32:26 2.614e-09 noise 0 057 2024-02-23 19:47:07 4.027e-09 noise 0 058 2024-02-23 20:25:31 2.983e-09 noise 0 059 2024-02-23 20:40:01 4.148e-09 noise 0 060 2024-02-23 21:08:32 2.795e-09 down 0 061 2024-02-23 21:41:12 3.336e-09 up 0 062 2024-02-23 23:00:00 3.735e-09 noise 0 063 2024-02-23 23:34:09 3.004e-09 up 0 064 2024-02-23 23:40:51 2.887e-09 down 0 065 2024-02-24 00:15:40 7.730e-09 up 0 066 2024-02-24 00:15:56 1.479e-08 up 0 067 2024-02-24 00:18:28 3.129e-09 up 0 068 2024-02-24 01:08:19 5.919e-09 up 0 069 2024-02-24 01:40:58 3.651e-09 noise 0 070 2024-02-24 02:56:16 3.170e-09 noise 0 071 2024-02-24 03:43:29 3.215e-09 up 0 072 2024-02-24 04:46:15 3.199e-09 noise 0 073 2024-02-24 04:58:25 2.437e-09 noise 0 074 2024-02-24 05:13:22 3.571e-09 noise 0 075 2024-02-24 06:10:05 2.731e-09 noise 0 076 2024-02-24 06:45:34 4.211e-09 up 0 077 2024-02-24 07:23:52 2.559e-09 noise 0 078 2024-02-24 07:29:12 2.438e-08 up 0 079 2024-02-24 07:29:37 2.488e-08 up 0 080 2024-02-24 07:36:34 5.299e-09 up 0 081 2024-02-24 07:36:46 6.407e-09 up 0 082 2024-02-24 07:49:25 3.264e-09 down 0 083 2024-02-24 07:52:54 3.176e-09 down 0