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Headlines • Magnitude 7.6 - PAKISTAN, October 8, 2005 • Magnitude 6.1 Near the South Coast of Honshu, Japan, July 23, 2005 • Yet Another, 6.7 Quake Off The Coast Of Northern California, June 16, 2005 • 3rd Quake To Strike California This Week, June 16, 2005 • Tsunami Warning Cancelled After Magnitude 7.2 Off the Coast of Northern California, June 15, 2005 • Magnitude 8.7 - Northern Sumatra, Indonesia, March 28, 2005 • Earthquake Down Under - Magnitude 7.1 rattles Indonesia and Australia, March 2, 2005 • Worlds Strongest Quake in 40 Years Strikes Northern Sumatra: Tsunami Deal Toll Approaching 300,000, December 26, 2004 • Magnitude 7.0 - Hokkaido, Japan Rregion, November 28, 2004 • Magnitude 7.2 - Papua, Indonesia, November 26, 2004 • Magnitude 7.1 - Off West Coast Of The South Island, N.Z., November 22, 2004

Preliminary Earthquake Report

A strong earthquake occurred at 07:34:58 (UTC) on Saturday, July 23, 2005. The magnitude 6.1 event has been located in NEAR THE SOUTH COAST OF HONSHU, JAPAN. The hypocentral depth was estimated to be 72 km (45 miles). (This event has been reviewed by a seismologist.)

Magnitude 6.1 Date-Time Saturday, July 23, 2005 at 07:34:58 (UTC) = Coordinated Universal Time Saturday, July 23, 2005 at 4:34:58 PM = local time at epicenter Time of Earthquake in other Time Zones Location 35.487°N, 139.974°E Depth 72.3 km (44.9 miles) Region NEAR THE SOUTH COAST OF HONSHU, JAPAN Distances 30 km (20 miles) SE of TOKYO, Japan 110 km (65 miles) SSW of Mito, Honshu, Japan 130 km (80 miles) E of Kofu, Honshu, Japan 130 km (80 miles) SE of Maebashi, Honshu, Japan Location Uncertainty horizontal +/- 4.8 km (3.0 miles); depth +/- 6.9 km (4.3 miles) Parameters Nst=190, Nph=190, Dmin=197.9 km, Rmss=0.73 sec, Gp= 43°, M-type=regional moment magnitude (Mw), Version=7 Source USGS NEIC (WDCS-D) Event ID usawas Felt Reports Five people injured in Saitama Prefecture. Slight damage in the Tokyo area.