internal / domestic
84208
observation
62390
historical
89846
greatest / largest / maximum
86383
record / minutes / document
65178
great earthquake (disaster)
123816
passage / expiration / progress / transition
72933
identical / equal to / same (kind) / like / similarity
136236
huge / gigantic / enormous
67552
earthquake
126369
outbreak / spring forth / occurrence / incidence / origin
143639
possible / practicable / feasible
54792
nature (of a person)
111293
investigation / examination / inquiry / enquiry / survey
128839
study / research / investigation
75170
vigor / vigour / active / lively
60332
government / administration
111676
earthquake
126369
investigation / examination / inquiry / enquiry / survey
128839
committee member
45845
meeting / assembly / party
56790
Nansei-shoto (southwestern islands off Kyushu and in the Okinawan archipelago)
138291
open sea
52889
Marianas
38825
archipelago / group of islands
101541
open sea
52889
consideration / examination / investigation / study / scrutiny / discussion
74982
class, grade, rank / school class, grade
67114
huge / gigantic / enormous
67552
earthquake
126369
government / administration
111676
investigation / examination / inquiry / enquiry / survey
128839
hypothesis / supposition / assumption
118756
Hokkaido (northernmost of the four main islands of Japan)
155646
center / centre / middle / heart
127653
danger / peril / hazard
63454
nature (of a person)
111293
pointing out / identification
90806
voice
113092