Ñaña, Peru (seismic station NNA)
This near-real-time audio stream originates from a seismometer at Ñaña, Peru (IRIS/IDA station NNA). The low-frequency sounds of the solid Earth have been sped up by a factor of 1,800× to make them audible. As a result, frequencies have been transposed upward about 11 octaves. Each successive audio program (separated by a brief pause) compresses the last 168 hours into about 6 minutes (exactly 05:36) of listening time.
Spectrogram loading...
Annotated events during this period:
Technical details:
| Status : | (Operating normally) |
| Manual flags : | (none) |
| Station : | NNA (net: IRIS/IDA) at Ñaña, Peru |
| Sensor : | Streckeisen STS-1 triaxial seismometer |
| Recorder : | Quanterra Q330HR @ 20 Hz |
| Pod : | ms-cygnus@x.x.102.146 | macOS 15.3 | psm v. 180 |
| Last heard from pod : | Fri May 16 21:19:40 UTC 2025 (16 seconds ago) |
| Speedup : | ×1,800 |
| Loop duration (real) : | 168 hours |
| Loop duration (audio) : | 05:36 (stereo) |
| Data channels : | miniseed (II.NNA.00.BH1 II.NNA.00.BH2) |
| Spectrogram type : | raw data |
| Gain correction : | 20 dB |
| SoX post-processing : | highpass -2 90 highpass -2 90 compand 0.001,0.01 6:-80,-50,-40,-10,0,-3 |
| Archives : | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
| Audio Stream : | https://audibleearth.com/proxy/es08/stream (es08@8014) |
| Latest factoids : | nna.6.factoids.txt |
