As a result of the eruption on 15 January 2022, a magnitude 5.8 earthquake[33] and a 1.2-metre (3.9 ft) tsunami[34] struck the Tongan capital Nukuʻalofa.[6][35] Tide gauges in the city recorded waves 1.5–2 metres (4.9–6.6 ft) in height.[5] Videos posted on the Internet showed a series of waves hitting the shore and homes, sweeping away debris.[37] Other videos show ashfall and a cloud of ash obscuring the sun.[6] According to a resident in the Tongan capital, a series of initial smaller explosions were heard.