To what extent do you agree that seismic events will always generate more widespread and severe impacts than volcanic events?

Seismic events arguably don't always generate more widespread impacts due to the hazards of volcanoes, such as ash fallout, spreading beyond countries borders. However, severity of impact can vary between either event due to it's dependency on vulnerability as much as natural factors. In the 2010 Eyjaffalljokull eruption, the ash released spread 20,000 km east into Europe after pluming 10km high, grounding thousands of flights and losing airline businesses up to £130 million a day. It even imoacted countries such as Kenya who couldn't fly out fresh produce which consequentially rotted, costing economic benefit. Although, Iceland itself wasn't severely impacted due to evacuation being carried out swiftly and no causualties occured, the impacts were extremely widespread. However, severity of a seismic event such as the 2010 Haitian earthquake, was unodoubtedly large due to 54% living in abject poverty and a lack of life safe buildings. Therefore, 230,000 died and 1.5 million were made homeless, and although this was fairly localised to the capital, its impacts were much more severe due to their level of vulnerability. Therefore, many seismic events may produce more severe impacts than volcanic events depending on the area affected, but volcanic impacts have been proven to generate more widespread events due to the nature of the hazards they produce.