Các từ loại trong đoạn văn:
- Tính từ: northeastern, strongest, devastating, toxic, radioactive
- Động từ: experienced, measured, felt, hit, produced, destroyed, carried, damaged, released, forced
- Danh từ: Japan, earthquake, history, Richter scale, shaking, kilometers, coastline, tsunami, waves, towns, sea, boats, cars, planes, miles, power plant, materials, environment, people, homes
- Đại từ: it, that, their
- Giới từ: on, after, up, to, into, of
- Liên từ: and
- Trạng từ: soon