7.3 Earthquake Strikes Russia Tsunami Alert Issued

RUSSIA. (THECOUNT) — A 7.3 earthquake has struck Russia.

TSUNAMI MESSAGE NUMBER 1:

NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI

1711 UTC THU DEC 20 2018

…PTWC TSUNAMI THREAT MESSAGE…

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THIS MESSAGE IS ISSUED FOR INFORMATION ONLY IN SUPPORT OF THE
UNESCO/IOC PACIFIC TSUNAMI WARNING AND MITIGATION SYSTEM AND IS
MEANT FOR NATIONAL AUTHORITIES IN EACH COUNTRY OF THAT SYSTEM.

NATIONAL AUTHORITIES WILL DETERMINE THE APPROPRIATE LEVEL OF
ALERT FOR EACH COUNTRY AND MAY ISSUE ADDITIONAL OR MORE REFINED
INFORMATION.

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PRELIMINARY EARTHQUAKE PARAMETERS
———————————

* MAGNITUDE 7.3
* ORIGIN TIME 1702 UTC DEC 20 2018
* COORDINATES 54.8 NORTH 164.8 EAST
* DEPTH 33 KM / 20 MILES
* LOCATION KOMANDORSKIYE OSTROVA RUSSIA REGION

EVALUATION
———-

* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.3 OCCURRED IN
THE KOMANDORSKIYE OSTROVA, RUSSIA REGION AT 1702 UTC ON
THURSDAY DECEMBER 20 2018.

* BASED ON THE PRELIMINARY EARTHQUAKE PARAMETERS… HAZARDOUS
TSUNAMI WAVES ARE POSSIBLE FOR COASTS LOCATED WITHIN 300 KM
OF THE EARTHQUAKE EPICENTER.

TSUNAMI THREAT FORECAST
———————–

* HAZARDOUS TSUNAMI WAVES FROM THIS EARTHQUAKE ARE POSSIBLE
WITHIN 300 KM OF THE EPICENTER ALONG THE COASTS OF

RUSSIA.

RECOMMENDED ACTIONS
——————-

* GOVERNMENT AGENCIES RESPONSIBLE FOR THREATENED COASTAL AREAS
SHOULD TAKE ACTION TO INFORM AND INSTRUCT ANY COASTAL
POPULATIONS AT RISK IN ACCORDANCE WITH THEIR OWN
EVALUATION… PROCEDURES AND THE LEVEL OF THREAT.

* PERSONS LOCATED IN THREATENED COASTAL AREAS SHOULD STAY ALERT
FOR INFORMATION AND FOLLOW INSTRUCTIONS FROM NATIONAL AND
LOCAL AUTHORITIES.

ESTIMATED TIMES OF ARRIVAL
————————–

* ESTIMATED TIMES OF ARRIVAL -ETA- OF THE INITIAL TSUNAMI WAVE
FOR PLACES WITH A POTENTIAL TSUNAMI THREAT. ACTUAL ARRIVAL
TIMES MAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE
LARGEST. A TSUNAMI IS A SERIES OF WAVES AND THE TIME BETWEEN
WAVES CAN BE FIVE MINUTES TO ONE HOUR.

LOCATION REGION COORDINATES ETA(UTC)
————————————————————
UST KAMCHATSK RUSSIA 56.1N 162.6E 1725 12/20
MEDNNY ISLAND RUSSIA 54.7N 167.4E 1736 12/20

POTENTIAL IMPACTS
—————–

* A TSUNAMI IS A SERIES OF WAVES. THE TIME BETWEEN WAVE CRESTS
CAN VARY FROM 5 MINUTES TO AN HOUR. THE HAZARD MAY PERSIST
FOR MANY HOURS OR LONGER AFTER THE INITIAL WAVE.

* IMPACTS CAN VARY SIGNIFICANTLY FROM ONE SECTION OF COAST TO
THE NEXT DUE TO LOCAL BATHYMETRY AND THE SHAPE AND ELEVATION
OF THE SHORELINE.

* IMPACTS CAN ALSO VARY DEPENDING UPON THE STATE OF THE TIDE AT
THE TIME OF THE MAXIMUM TSUNAMI WAVES.

* PERSONS CAUGHT IN THE WATER OF A TSUNAMI MAY DROWN… BE
CRUSHED BY DEBRIS IN THE WATER… OR BE SWEPT OUT TO SEA.

Nearby Places
Ust’-Kamchatsk Staryy, Kamtsjatka, Russia
216.3 km (134.4 mi) NW Population: 4939
Klyuchi, Kamtsjatka, Russia
301.5 km (187.3 mi) NW Population: 10000
Petropavlovsk-Kamchatsky, Kamtsjatka, Russia
448.6 km (278.7 mi) WSW Population: 187282
Yelizovo, Kamtsjatka, Russia
457.3 km (284.2 mi) WSW Population: 40692
Vilyuchinsk, Kamtsjatka, Russia
469.1 km (291.5 mi) WSW Population: 25204