7.9 magnitude earthquake

2014-06-23 20:53:09 UTC

UTC time: Monday, June 23, 2014 20:53 PM
Your time: 2014-06-23T20:53:09Z
Magnitude Type: mww
USGS status: Reviewed by a seismologist
Reports from the public: 4 people

A

7.9 magnitude earthquake

2014-06-23 20:53:09 UTC at 20:53
June 23, 2014 UTC

Location:
Epicenter at 51.797, 178.76

Rat Islands, Aleutian Islands

Depth: 107 km

Aftershocks:
B

5.2 magnitude earthquake

2014-06-23 21:00:00 UTC at 21:00
June 23, 2014 UTC

Location:
Epicenter at 51.746, 178.54

Rat Islands, Aleutian Islands

Depth: 114 km

C

3.3 magnitude earthquake

2014-06-23 21:03:21 UTC at 21:03
June 23, 2014 UTC

Location:
Epicenter at 51.742, 178.662

Rat Islands, Aleutian Islands

Depth: 95 km

D

4.2 magnitude earthquake

2014-06-23 21:04:17 UTC at 21:04
June 23, 2014 UTC

Location:
Epicenter at 51.885, 178.555

Rat Islands, Aleutian Islands

Depth: 117 km

E

4.2 magnitude earthquake

2014-06-23 21:05:26 UTC at 21:05
June 23, 2014 UTC

Location:
Epicenter at 51.838, 178.69

Rat Islands, Aleutian Islands

Depth: 95 km

F

3.6 magnitude earthquake

2014-06-23 21:07:13 UTC at 21:07
June 23, 2014 UTC

Location:
Epicenter at 51.789, 178.479

Rat Islands, Aleutian Islands

Depth: 103 km

G

3.6 magnitude earthquake

2014-06-23 21:09:56 UTC at 21:09
June 23, 2014 UTC

Location:
Epicenter at 51.843, 178.572

Rat Islands, Aleutian Islands

Depth: 109 km

H

6.0 magnitude earthquake

2014-06-23 21:11:41 UTC at 21:11
June 23, 2014 UTC

Location:
Epicenter at 51.965, 178.412

Rat Islands, Aleutian Islands

Depth: 106 km

I

3.9 magnitude earthquake

2014-06-23 21:13:46 UTC at 21:13
June 23, 2014 UTC

Location:
Epicenter at 51.783, 178.696

Rat Islands, Aleutian Islands

Depth: 90 km

J

3.1 magnitude earthquake

2014-06-23 21:16:16 UTC at 21:16
June 23, 2014 UTC

Location:
Epicenter at 51.82, 178.158

Rat Islands, Aleutian Islands

Depth: 93 km


Tsunami advisory issued by www.tsunami.gov

000 WEPA41 PAAQ 232057 TSUWCA BULLETIN TSUNAMI MESSAGE NUMBER 1 NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK 1257 PM AKDT MON JUN 23 2014 AKZ187-195-191-232157- /O.NEW.PAAQ.TS.W.0012.140623T2057Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING NIKOLSKI ALASKA TO ATTU ALASKA 1257 PM AKDT MON JUN 23 2014 ...A TSUNAMI WARNING IS NOW IN EFFECT WHICH INCLUDES THE COASTAL AREAS OF ALASKA FROM NIKOLSKI ALASKA TO ATTU ALASKA... IF YOU ARE LOCATED IN THIS COASTAL AREA... MOVE INLAND TO HIGHER GROUND. TSUNAMI WARNINGS MEAN THAT A TSUNAMI WITH SIGNIFICANT INUNDATION IS POSSIBLE OR IS ALREADY OCCURRING. TSUNAMIS ARE A SERIES OF WAVES DANGEROUS MANY HOURS AFTER INITIAL ARRIVAL TIME. THE FIRST WAVE MAY NOT BE THE LARGEST. AT 1253 PM ALASKA DAYLIGHT TIME ON JUNE 23 AN EARTHQUAKE WITH PRELIMINARY MAGNITUDE 7.1 OCCURRED 30 MILES NORTHWEST OF AMCHITKA ALASKA. ESTIMATED TSUNAMI START TIMES FOR SELECTED SITES ARE... SHEMYA ALASKA 136 PM AKDT JUNE 23 ADAK ALASKA 149 PM AKDT JUNE 23 SAINT PAUL ALASKA 317 PM AKDT JUNE 23 THE TSUNAMI WARNING WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE. REFER TO THE INTERNET SITE NTWC.ARH.NOAA.GOV FOR MORE INFORMATION.
000 WEAK51 PAAQ 232057 TSUAK1 BULLETIN PUBLIC TSUNAMI MESSAGE NUMBER 1 NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK 1257 PM AKDT MON JUN 23 2014 ...A TSUNAMI WARNING IS NOW IN EFFECT... WARNINGS/ADVISORIES/WATCHES --------------------------- TSUNAMI WARNING IN EFFECT FOR... * THE COASTAL AREAS OF ALASKA FROM NIKOLSKI ALASKA TO ATTU ALASKA * FOR OTHER US AND CANADIAN PACIFIC COASTS IN NORTH AMERICA - THE LEVEL OF TSUNAMI DANGER IS BEING EVALUATED. FURTHER INFORMATION WILL BE PROVIDED IN SUPPLEMENTARY MESSAGES. PRELIMINARY EARTHQUAKE PARAMETERS --------------------------------- * MAGNITUDE 7.1 * ORIGIN TIME 1253 AKDT JUN 23 2014 1353 PDT JUN 23 2014 2053 UTC JUN 23 2014 * COORDINATES 51.9 NORTH 178.8 EAST * DEPTH 58 MILES * LOCATION 30 MILES NW OF AMCHITKA ALASKA 195 MILES W OF ADAK ALASKA IMPACTS FOR TSUNAMI WARNING AREAS --------------------------------- * WIDESPREAD DANGEROUS COASTAL FLOODING ACCOMPANIED BY POWERFUL CURRENTS ARE POSSIBLE AND MAY CONTINUE FOR MANY HOURS AFTER TSUNAMI ARRIVAL. * THE FIRST WAVE MAY NOT BE THE LARGEST. RECOMMENDED ACTIONS ------------------- * IF YOU ARE IN A WARNING AREA - MOVE INLAND TO HIGHER GROUND. * BE ALERT TO INSTRUCTIONS FROM YOUR LOCAL EMERGENCY OFFICIALS. * DO NOT GO TO THE COAST TO OBSERVE THE TSUNAMI. * DO NOT RETURN TO THE COAST UNTIL LOCAL EMERGENCY OFFICIALS INDICATE IT IS SAFE TO DO SO. FORECASTS AND/OR OBSERVATIONS OF TSUNAMI ACTIVITY ------------------------------------------------- FORECAST START OF SITE OF TSUNAMI ---- ---------- * ALASKA SHEMYA 1336 AKDT JUN 23 ADAK 1349 AKDT JUN 23 SAINT PAUL 1517 AKDT JUN 23 NEXT UPDATE AND ADDITIONAL INFORMATION -------------------------------------- * THIS MESSAGE WILL BE UPDATED WITHIN 30 MINUTES. * REFER TO THE INTERNET SITE NTWC.ARH.NOAA.GOV FOR MORE INFORMATION. * PACIFIC COASTAL RESIDENTS OUTSIDE CALIFORNIA... OREGON... WASHINGTON... BRITISH COLUMBIA AND ALASKA SHOULD REFER TO THE PACIFIC TSUNAMI WARNING CENTER MESSAGES AT PTWC.WEATHER.GOV.