Peak ground acceleration
Videos
Peak ground acceleration is equal to the maximum ground acceleration that occurred during earthquake shaking at a location. PGA is equal to the amplitude of the largest absolute acceleration recorded
Seismogram of Sylmar085 earthquake in fractions of gravity acceleration
2016 Kaikōura earthquake
Videos
The 2016 Kaikōura earthquake was a Mw 7.8 earthquake in the South Island of New Zealand that occurred two minutes after midnight on 14 November 2016 NZDT. Ruptures occurred on multiple faults and the
Peak ground acceleration
…sum (H1, H2, V) (max recorded) Magnitude Mw Depth Fatalities Earthquake 4.36 g 6.9 8 km 12 2008 Iwate–Miyagi Nairiku earthquake 3.23 g 7.8 15 km 2 2016 Kaikoura earthquake 2.93 g 3.54 g 9.5 33 km 1,000–6,000 1960 Valdivia earthquake 2.88 g 7.5 16 km 260 2024 Noto earthquake 2.7 g 2.99 g 9.1 30 km 19,759 2011 Tohoku…
Demolition of 61 Molesworth Street in Wellington
Satellite radar image showing ground motion effects during the earthquake
The Elms homestead, pictured here in 2012, collapsed during the earthquake, killing one person
Morning supply run from USS Sampson helicopter