WCATWC Information Statement - TW

Web message at http://wcatwc.arh.noaa.gov/2010/09/05/365108/01/message365108-01.htm

SEAK71 PAAQ 050147
EQIAKX

TSUNAMI SEISMIC INFORMATION STATEMENT
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
547 PM AKDT SAT SEP 4 2010

...THIS IS AN INFORMATION STATEMENT...

EVALUATION
AN EARTHQUAKE HAS OCCURRED WITH A MAGNITUDE SUCH THAT A TSUNAMI
WILL NOT BE GENERATED. THIS WILL BE THE ONLY WCATWC MESSAGE
ISSUED FOR THIS EVENT.

PRELIMINARY EARTHQUAKE PARAMETERS
MAGNITUDE - 4.0
TIME - 1745 AKDT SEP 04 2010
1845 PDT SEP 04 2010
0145 UTC SEP 05 2010
LOCATION - 59.8 NORTH 152.9 WEST
50 MILES/80 KM NW OF HOMER ALASKA
140 MILES/225 KM SW OF ANCHORAGE ALASKA
DEPTH - 76 MILES/122 KM

THE LOCATION AND MAGNITUDE ARE BASED ON PRELIMINARY INFORMATION.
FURTHER INFORMATION WILL BE ISSUED BY THE UNITED STATES
GEOLOGICAL SURVEY - EARTHQUAKE.USGS.GOV - OR THE APPROPRIATE
REGIONAL SEISMIC NETWORK.

$$

2010-09-04 08:52:01 UPDATED: (M 6.1) TONGA -17.3 -174.0 (40bce)

== PRELIMINARY EARTHQUAKE REPORT ==
Region: TONGA
Geographic coordinates: 17.270S, 174.000W
Magnitude: 6.1 M
Depth: 37 km
Universal Time (UTC): 4 Sep 2010 08:52:01
Time near the Epicenter: 4 Sep 2010 21:52:01
Local standard time in your area: 4 Sep 2010 03:52:01
Location with respect to nearby cities:
153 km (95 miles) N (359 degrees) of Neiafu, Tonga
450 km (280 miles) NNE (17 degrees) of NUKU'ALOFA, Tonga
455 km (283 miles) SSW (212 degrees) of APIA, Samoa
2591 km (1610 miles) W (267 degrees) of PAPEETE, Tahiti, French Polynesia

ADDITIONAL EARTHQUAKE PARAMETERS
________________________________
event ID : US 2010auay
This event has been reviewed by a seismologist at NEIC
For subsequent updates, maps, and technical information, see:
http://earthquake.usgs.gov/eqcenter/recenteqsww/Quakes/us2010auay.php
or
http://earthquake.usgs.gov/
National Earthquake Information Center
U.S. Geological Survey
http://neic.usgs.gov/

DISCLAIMER: https://sslearthquake.usgs.gov/ens/help.html?page=help#disclaimer

You requested mail for events between -90.0/90.0 latitude and
180.0/-180.0 longitude
for M6.0 at all times.

To change your parameters or unsubscribe, go to:
https://sslearthquake.usgs.gov/ens/