At least for the west coast of the US and Hawaii, the tsunami hazard potential is diminishing. The tsuami watch for Hawaii has been removed and locally measured wave heights (Solomon Isles) are under 1 m. Locally destructive and dangerous.
here is the WCATWC latest notice.
here are the latest observations:
TIME OBSERVED MAX
SITE OF MEASUREMENT TSUNAMI HEIGHT
—————————- ————— ————–
LATA WHARF SOLOMON ISL 0131 UTC 02-06 03.4FT
DART52406PT NE GUADALCA 0211 UTC 02-06 00.3FT
DART55012ST SE CORAL SE 0232 UTC 02-06 00.4FT
HONIARA SOLOMON ISLAND 0307 UTC 02-06 00.2FT
PORT VILA VANUATU 0303 UTC 02-06 00.6FT
HEIGHT – OBSERVED MAX TSUNAMI HEIGHT IS THE WATER LEVEL ABOVE THE
TIDE LEVEL AT THE TIME OF MEASUREMENT.

In California, an informational statement has been issued:
PUBLIC TSUNAMI INFORMATION STATEMENT NUMBER 2
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
625 PM PST TUE FEB 5 2013
…THIS IS A TSUNAMI INFORMATION STATEMENT FOR ALASKA/ BRITISH
COLUMBIA/ WASHINGTON/ OREGON AND CALIFORNIA…
* THIS EARTHQUAKE HAS THE POTENTIAL TO GENERATE A DESCTRUCTIVE
TSUNAMI IN THE SOURCE REGION.
In the Solomon Islands, the first measurement has been recorded:

OBSERVATIONS OF TSUNAMI ACTIVITY - UPDATED
------------------------------------------
                                  TIME             OBSERVED MAX
 SITE                         OF MEASUREMENT       TSUNAMI HEIGHT
 ---------------------------- ---------------      --------------
 LUGANVILLE VU        15.5S 167.2E  0243Z   0.11M /  0.4FT  18MIN
 DART 52406            5.3S 165.1E  0206Z   0.04M /  0.1FT  10MIN
 DART 55012           15.8S 158.5E  0237Z   0.17M /  0.6FT  06MIN
 LATA WHARF SB        10.7S 165.8E  0129Z   0.91M /  3.0FT  18MIN
 HEIGHT - OBSERVED MAX TSUNAMI HEIGHT IS THE WATER LEVEL ABOVE THE
          TIDE LEVEL AT THE TIME OF MEASUREMENT.

The Tide Gage is on the Island immediately east of the epicenter.