UPDATE #2: As of 1135 hrs 4/711 - As often happens, the initial readings on earthquakes can bounce around a bit as more data comes in.
Right now, the USGS is showing this as a 7.1 Magnitude with a depth of 49km.
These numbers may well change again before they are finalized.
UPDATE #1: as of 1112hrs 4/7/11 - The USGS has revised the depth of this earthquake to 25.6 km.
NHK World News is broadcasting live from Tokyo on the situation.
# 5475
Scientists have been warning for a month that another 7+ aftershock could strike northern Japan, and a short time ago one did.
This aftershock registered as being 40 km deep, which is considerably deeper than the massive quake that struck on March 11th.
So far, we’ve received no word on damages.
While a local Tsunami advisory has been issued, NO PACIFIC WIDE TSUNAMI THREAT is anticipated.
The following statement comes from the Pacific Tsunami Warning Center.
000
WEHW42 PHEB 071442
TIBHWX
HIZ001>003-005>009-012>014-016>021-023>026-071642-
TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
442 AM HST THU APR 07 2011TO - CIVIL DEFENSE IN THE STATE OF HAWAII
SUBJECT - TSUNAMI INFORMATION STATEMENT
THIS STATEMENT IS FOR INFORMATION ONLY. NO ACTION REQUIRED.
AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS
ORIGIN TIME - 0432 AM HST 07 APR 2011
COORDINATES - 38.2 NORTH 142.0 EAST
LOCATION - NEAR EAST COAST OF HONSHU JAPAN
MAGNITUDE - 7.4 MOMENTEVALUATION
BASED ON ALL AVAILABLE DATA A DESTRUCTIVE PACIFIC-WIDE TSUNAMI IS NOT EXPECTED AND THERE IS NO TSUNAMI THREAT TO HAWAII. REPEAT. A DESTRUCTIVE PACIFIC-WIDE TSUNAMI IS NOT EXPECTED AND THERE IS NO TSUNAMI THREAT TO HAWAII.
THIS WILL BE THE ONLY STATEMENT ISSUED FOR THIS EVENT UNLESS ADDITIONAL DATA ARE RECEIVED.
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