| 日期 (UTC) | 20240330 |
|---|---|
| 事件總數 | 49 |
| ↑ up (紅) | 12 |
| ↓ down (橘) | 18 |
| 共模噪音 (綠) | 19 |
| 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 — 20240330 Total: 49 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=4.713e-09 std=5.389e-09 min=2.333e-09 Q25=3.038e-09 median=3.505e-09 Q75=4.093e-09 max=3.447e-08 ID timestamp_tw (UTC+8) RMS_below300m fk_label CWA ------------------------------------------------------------------ 000 2024-03-30 08:21:44 3.407e-09 noise 0 001 2024-03-30 08:38:24 4.760e-09 up 0 002 2024-03-30 08:44:03 3.618e-09 up 0 003 2024-03-30 09:05:14 4.370e-09 down 0 004 2024-03-30 09:06:35 3.896e-09 down 0 005 2024-03-30 09:56:07 4.974e-09 down 0 006 2024-03-30 09:58:38 3.991e-09 down 0 007 2024-03-30 09:59:40 3.505e-09 up 0 008 2024-03-30 10:13:58 3.312e-09 noise 0 009 2024-03-30 10:16:00 3.344e-09 noise 0 010 2024-03-30 10:19:34 3.637e-09 down 0 011 2024-03-30 10:49:22 3.945e-09 up 0 012 2024-03-30 11:47:13 3.103e-09 down 0 013 2024-03-30 12:21:03 3.451e-09 down 0 014 2024-03-30 12:25:08 5.013e-09 up 0 015 2024-03-30 12:25:23 6.417e-09 up 0 016 2024-03-30 14:04:31 3.829e-09 noise 0 017 2024-03-30 14:21:34 4.998e-09 noise 0 018 2024-03-30 15:29:57 4.367e-09 down 0 019 2024-03-30 15:39:39 3.941e-09 down 0 020 2024-03-30 16:07:25 2.750e-09 noise 0 021 2024-03-30 16:08:32 3.447e-09 down 0 022 2024-03-30 16:15:51 3.330e-09 noise 0 023 2024-03-30 17:17:24 3.447e-08 up 0 024 2024-03-30 17:19:46 4.497e-09 down 0 025 2024-03-30 18:20:17 2.938e-09 noise 0 026 2024-03-30 18:48:39 2.809e-09 noise 0 027 2024-03-30 19:38:33 2.522e-09 noise 0 028 2024-03-30 20:02:03 4.428e-09 noise 0 029 2024-03-30 22:15:57 2.333e-09 noise 0 030 2024-03-30 22:37:06 3.016e-09 noise 0 031 2024-03-30 23:14:49 2.963e-09 down 0 032 2024-03-30 23:15:57 3.101e-09 down 0 033 2024-03-30 23:52:24 2.721e-09 down 0 034 2024-03-31 00:13:34 3.038e-09 down 0 035 2024-03-31 01:08:26 3.797e-09 noise 0 036 2024-03-31 01:48:08 2.334e-09 noise 0 037 2024-03-31 02:20:21 3.355e-09 noise 0 038 2024-03-31 02:44:57 3.504e-09 down 0 039 2024-03-31 03:03:04 3.701e-09 up 0 040 2024-03-31 03:34:09 2.596e-08 up 0 041 2024-03-31 03:56:01 2.458e-09 noise 0 042 2024-03-31 04:00:57 4.093e-09 noise 0 043 2024-03-31 04:18:00 3.656e-09 down 0 044 2024-03-31 04:23:16 4.683e-09 up 0 045 2024-03-31 04:36:46 3.265e-09 up 0 046 2024-03-31 04:58:32 2.974e-09 noise 0 047 2024-03-31 04:59:16 3.906e-09 down 0 048 2024-03-31 05:21:23 2.998e-09 up 0