| 日期 (UTC) | 20240318 |
|---|---|
| 事件總數 | 77 |
| ↑ up (紅) | 12 |
| ↓ down (橘) | 2 |
| 共模噪音 (綠) | 63 |
| 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 — 20240318 Total: 77 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=4.290e-09 std=2.826e-09 min=2.586e-09 Q25=3.516e-09 median=3.798e-09 Q75=4.058e-09 max=2.512e-08 ID timestamp_tw (UTC+8) RMS_below300m fk_label CWA ------------------------------------------------------------------ 000 2024-03-18 08:02:50 4.708e-09 up 0 001 2024-03-18 08:03:04 5.256e-09 up 0 002 2024-03-18 08:04:30 1.582e-08 up 0 003 2024-03-18 08:07:03 3.480e-09 noise 0 004 2024-03-18 08:20:29 4.788e-09 up 0 005 2024-03-18 08:42:59 4.245e-09 noise 0 006 2024-03-18 08:45:23 3.236e-09 down 0 007 2024-03-18 08:46:07 3.299e-09 noise 0 008 2024-03-18 09:03:54 3.474e-09 noise 0 009 2024-03-18 09:07:07 3.680e-09 noise 0 010 2024-03-18 09:09:35 3.875e-09 noise 0 011 2024-03-18 09:16:40 3.938e-09 noise 0 012 2024-03-18 09:18:44 3.865e-09 noise 0 013 2024-03-18 09:21:01 4.636e-09 noise 0 014 2024-03-18 09:27:33 4.554e-09 noise 0 015 2024-03-18 09:30:10 3.225e-09 noise 0 016 2024-03-18 10:00:11 2.987e-09 down 0 017 2024-03-18 10:07:58 3.954e-09 noise 0 018 2024-03-18 10:14:54 3.858e-09 noise 0 019 2024-03-18 10:19:11 3.871e-09 noise 0 020 2024-03-18 10:28:13 3.744e-09 noise 0 021 2024-03-18 10:30:08 3.605e-09 noise 0 022 2024-03-18 10:33:02 3.829e-09 noise 0 023 2024-03-18 10:38:01 3.749e-09 noise 0 024 2024-03-18 10:39:57 3.723e-09 noise 0 025 2024-03-18 10:47:39 3.735e-09 noise 0 026 2024-03-18 10:57:39 3.532e-09 noise 0 027 2024-03-18 10:57:56 3.658e-09 noise 0 028 2024-03-18 10:58:40 3.650e-09 noise 0 029 2024-03-18 11:00:47 4.104e-09 noise 0 030 2024-03-18 11:15:18 4.329e-09 noise 0 031 2024-03-18 11:19:30 3.752e-09 noise 0 032 2024-03-18 11:22:53 4.090e-09 noise 0 033 2024-03-18 11:38:23 7.112e-09 up 0 034 2024-03-18 12:15:06 3.747e-09 noise 0 035 2024-03-18 12:18:52 3.798e-09 noise 0 036 2024-03-18 12:53:31 4.007e-09 noise 0 037 2024-03-18 12:57:45 4.070e-09 noise 0 038 2024-03-18 13:03:13 4.881e-09 noise 0 039 2024-03-18 13:07:33 4.237e-09 noise 0 040 2024-03-18 13:35:33 4.243e-09 noise 0 041 2024-03-18 14:51:55 2.512e-08 up 0 042 2024-03-18 15:24:56 6.614e-09 up 0 043 2024-03-18 16:52:38 3.855e-09 noise 0 044 2024-03-18 17:02:01 3.932e-09 noise 0 045 2024-03-18 17:28:52 3.445e-09 noise 0 046 2024-03-18 17:32:47 4.062e-09 noise 0 047 2024-03-18 17:35:25 3.943e-09 noise 0 048 2024-03-18 17:35:58 3.631e-09 noise 0 049 2024-03-18 18:01:49 3.936e-09 noise 0 050 2024-03-18 18:09:48 3.785e-09 noise 0 051 2024-03-18 18:13:47 3.607e-09 noise 0 052 2024-03-18 18:24:34 3.374e-09 noise 0 053 2024-03-18 18:29:51 3.851e-09 noise 0 054 2024-03-18 18:32:10 3.080e-09 noise 0 055 2024-03-18 18:33:50 3.801e-09 noise 0 056 2024-03-18 18:34:11 3.759e-09 noise 0 057 2024-03-18 18:41:03 3.836e-09 noise 0 058 2024-03-18 18:59:28 3.922e-09 noise 0 059 2024-03-18 19:30:48 3.095e-09 noise 0 060 2024-03-18 19:31:46 3.488e-09 noise 0 061 2024-03-18 20:10:41 3.965e-09 noise 0 062 2024-03-18 20:43:10 3.372e-09 noise 0 063 2024-03-18 20:45:45 3.516e-09 noise 0 064 2024-03-18 20:55:53 4.058e-09 noise 0 065 2024-03-18 21:14:32 3.891e-09 noise 0 066 2024-03-18 21:24:38 3.224e-09 noise 0 067 2024-03-18 22:21:45 2.586e-09 noise 0 068 2024-03-18 23:17:13 3.283e-09 up 0 069 2024-03-18 23:54:04 4.167e-09 noise 0 070 2024-03-19 02:55:48 3.230e-09 up 0 071 2024-03-19 03:03:25 3.399e-09 up 0 072 2024-03-19 03:34:08 3.586e-09 up 0 073 2024-03-19 04:09:29 3.717e-09 up 0 074 2024-03-19 04:12:55 2.817e-09 noise 0 075 2024-03-19 04:39:02 3.291e-09 noise 0 076 2024-03-19 06:29:24 3.727e-09 noise 0