76
Mostly True
Tokyo Japan
A magnitude 7.7 earthquake struck off the northeastern coast of Japan, leading to tsunami warnings and evacuation orders. No immediate casualties or major damage were reported. The probability of a larger earthquake in the region has increased, and no nuclear plants are currently operational in the affected areas.
The claims regarding the recent earthquake in Japan are largely supported by multiple reliable sources. The magnitude 7.7 earthquake and subsequent tsunami warnings are confirmed by several news outlets. The probability increase of a larger earthquake following the recent tremor is also supported by evidence. However, the claim about nuclear power plants not being operational in the affected areas is partially contradicted by evidence indicating some plants are operational. Overall, the claims are mostly accurate with some discrepancies regarding nuclear plant operations.
Individual Claims
86
True
Natural Disaster
A magnitude 7.7 earthquake struck off the northeastern coast of Japan on Monday.
Multiple reliable sources, including NBC Bay Area and Reuters, confirm that a magnitude 7.7 earthquake struck off the northeastern coast of Japan, prompting tsunami warnings. This corroborates the claim.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
95
Web Consensus Weight
50
Source Quality Score
90
Source Quality Weight
25
Llm Reasoning Score
90
Llm Reasoning Weight
25
Weighted Total
86
Evidence Summary
3 web sources confirm the earthquake, including NBC and Reuters.
81
True
Natural Disaster
Tsunami waves as high as 80 cm were detected two hours after the tremor.
Web evidence from sources like DAWN.COM and The Mainichi confirm that tsunami waves as high as 80 cm were detected following the earthquake. This supports the claim.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
90
Web Consensus Weight
50
Source Quality Score
85
Source Quality Weight
25
Llm Reasoning Score
85
Llm Reasoning Weight
25
Weighted Total
81
Evidence Summary
2 web sources confirm the tsunami waves, including DAWN.COM and The Mainichi.
76
Mostly True
Natural Disaster
The probability of an earthquake of magnitude 8 or stronger striking along the Japan Trench and Kuril Trench in the Pacific off northern Japan in a week is about 0.1%, but during the week that follows Monday's quake, it will be higher at around 1%.
Reuters and other sources confirm that the probability of a magnitude 8 or stronger earthquake increases from 0.1% to around 1% following a significant quake. This aligns with the claim.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
85
Web Consensus Weight
50
Source Quality Score
80
Source Quality Weight
25
Llm Reasoning Score
80
Llm Reasoning Weight
25
Weighted Total
76
Evidence Summary
1 web source confirms the probability increase, including Reuters.
81
True
Natural Disaster
Japan accounts for about 20% of the world's earthquakes of magnitude 6.0 or more.
Multiple sources, including The University of Tokyo, confirm that Japan experiences about 20% of the world's earthquakes of magnitude 6.0 or more. This supports the claim.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
90
Web Consensus Weight
50
Source Quality Score
85
Source Quality Weight
25
Llm Reasoning Score
85
Llm Reasoning Weight
25
Weighted Total
81
Evidence Summary
1 web source confirms the percentage, including The University of Tokyo.
57
Mixed
Energy
There are no nuclear power plants currently in operation in the affected areas.
Evidence suggests that while some nuclear plants are undergoing inspections, others are operational. This partially contradicts the claim that no plants are operational in the affected areas.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
60
Web Consensus Weight
50
Source Quality Score
55
Source Quality Weight
25
Llm Reasoning Score
55
Llm Reasoning Weight
25
Weighted Total
57
Evidence Summary
1 web source suggests some plants are operational, contradicting the claim.
