Research Article

Latitude-Time Total Electron Content Anomalies as Precursors to Japan's Large Earthquakes Associated with Principal Component Analysis

Table 1


2000 October 6 (04:30:19 UTC) (35.45N 133.13°E)Magnitude 6.7 (depth~10 km)
2003 May 26 (09:24:32 UTC) (38.90N 141.45°E)Magnitude 7.0 (depth~68.2 km)
2003 September 25 (19:50:06 UTC) (41.775°N, 143.904°E)Magnitude 8.3 (depth~27 km)
2003 October 08 (09:06:55 UTC) (42.658°N, 144.487°E)Magnitude 6.7 (depth~32 km)
2003 October 31 (01:06:28 UTC) (37.829°N, 142.634°E)Magnitude 7.0 (depth~10 km)
2004 May 29 (20:56:12 UTC) (34.256°N, 141.385°E)Magnitude 6.5 (depth~38 km)
2004 September 5 (10:07:07 UTC) (33.062°N, 136.608°E)Magnitude 7.2 (depth~14 km)
2004 September 5 (14:57:18 UTC) (33.184°N, 137.071°E)Magnitude 7.4 (depth~10 km)
2004 September 6 (23:29:35 UTC) (33.184°N, 137.201°E)Magnitude 6.7 (depth~10 km)
2004 October 23 (08:56:00 UTC) (37.226°N, 138.779°E)Magnitude 6.6 (depth~16 km)
2004 November 28 (18:32:13 UTC) (42.995°N, 145.056°E)Magnitude 7.0 (depth~39 km)
2004 December 6 (14:15:11 UTC) (42.907°N, 145.200°E)Magnitude 6.8 (depth~35 km)
2005 March 20 (01:53:41 UTC)KYUSHU (33.805°N, 130.078°E)Magnitude 6.6 (depth~10 km)
2005 July 22 (07:34:57 UTC) (35.506°N, 139.933°E)Magnitude 6.0 (depth~65.6 km)
2005 August 16 (02:46:28 UTC) (38.251°N, 142.059°E)Magnitude 7.2 (depth~36 km)
2005 October 19 (11:44:43 UTC) (36.383°N, 140.833°E)Magnitude 6.4 (depth~41.5 km)
2005 November 14 (21:38:51 UTC) (38.101°N, 144.925°E)Magnitude 7.0 (depth~11 km)
2005 December 2 (13:13:09 UTC) (38.122°N, 142.118°E)Magnitude 6.5 (depth~29 km)

This table shows the earthquakes (Richter magnitude ≥6.0) from 2000 to 2005 in Japan (Source: U.S. Geological Survey).