With people not yet recovered by the terrible earthquake of 8.8 Richter scale in Japan, we learn today that two days ago the same area was struck by a Richter 7.2 earthquake [source: 1]. The quake was considered as a major earthquake then and did not pose any worries. Until the great earthquake came... and the "main" quake was characterized as a "pre-earthquake" by scientists... We are looking for fixed points of reference, but a new larger quake is enough to change everything overnight. The interpretation of what we see is so ambiguous, subjective, fluid and changeable, which makes us wonder: is anything certain in our "objective" science?
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