Gulf of Aden
Between Yemen and Somalia · 204 km east-southeast of Mukalla
- Date27 Aug 2026
- Origin time21:07:38 UTC · 01:07 Yerevan (28 Aug)
- Depth10 km
- Distance to Antarashat2,918 km
Recorded by the CHARNET network · source parameters: EMSC
At 01:07 Yerevan time on the night of 28 August, a magnitude 6.0 earthquake struck under the Gulf of Aden, between Yemen and Somalia (EMSC). The epicentre lies almost 3,000 kilometres from Armenia, yet the CHARNET stations recorded it clearly. Here is the record of Antarashat, our station in the south.
Three kinds of waves
- 21:07:38The earthquake under the Gulf of Aden
- +5:36P-wave, the fastest, through the Earth’s mantle
- +10:14S-wave, slower, shaking the ground sideways
- +17:00Surface waves, long and slow, travelling along the Earth’s surface
Times from the record of the Antarashat station, IGES
The gap between the P- and S-waves is about four and a half minutes. The further away an earthquake is, the longer this gap grows, so a single station can already tell how far the source is: here, about 2,900 km.
Listen to the whole record, half an hour of ground motion sped up a hundred times: a sharp knock of the P-wave, a second blow of the S-wave, and then the long rolling of the surface waves.