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4.5 Magnitude Earthquake Hits Big Island… Residents Wait for Hurricane #Iselle

A 4.5 Magnitude earthquake struck the Waimea area of the Big Island this morning:
4.5 waimeaMany Big Island residents may not have felt it as we are also preparing for Hurricane Iselle to hit us within the next 12 hours:
iselle 87

Rockfall Triggers Explosive Event at Halema’uma’u

Just after 10 AM this morning, the southeastern wall of the Overlook crater, in Halemaʻumaʻu, collapsed and fell into the summit lava lake.

This image is a still taken from the webcam positioned on the rim of Halemaʻumaʻu at that location, showing spatter in the air directly in front of the camera.

This image is a still taken from the webcam positioned on the rim of Halemaʻumaʻu at that location, showing spatter in the air directly in front of the camera.

This triggered a small explosive event that threw spatter bombs onto the rim of Halemaʻumaʻu at the site of the tourist overlook, closed since 2008.

The lava fragments ejected ranged in size from dust-sized particles up to spatter bombs about 70 cm (~30 inches) across.

The larger clasts – the bombs – dotted the ground around the tourist overlook and webcam, giving the area a look reminiscent of a cow pasture.

The larger clasts – the bombs – dotted the ground around the tourist overlook and webcam, giving the area a look reminiscent of a cow pasture.

As has been seen with almost all previous explosive events at Halemaʻumaʻu since 2008, the spatter that was ejected was coated in dust and filled with small lithic fragments – clear evidence of the involvement of lithic wall rock.

The knife is 12 cm (4.5 in) long.

The knife is 12 cm (4.5 in) long.

Spatter landed on wooden fencing laying on the ground at the closed tourist overlook, igniting it in a few places.

hvo87

The part of the Overlook crater wall that collapsed is evident in the center of this photo by its white color.

hvo88

3.1 Magnitude Earthquake Registered Off Maui This Morning

A 3.1 magnitude earthquake was registered off the coast of Maui this morning… no tsunami was generated from it:

maui 31

HI-EMA Encourages Public to Update Emergency Notification Service

The Hawaii Emergency Management Agency (HI-EMA), formerly known as State Civil Defense, encourages members of the public to sign up for local emergency notifications provided by county civil defense and emergency management agencies.

Department of DefenseInstructions for island-specific systems are available at:

On June 30, 2014, Sprint Relay Hawaii discontinued its emergency notification system that the company had been providing free of charge for 6 years. Relay Hawaii was designed to provide Short Message Service (SMS)/text messages on natural disasters and other emergencies to the deaf and hard of hearing community.

“Sprint Relay Hawaii has been a terrific partner in providing warning of approaching hazards and emergencies, and we are grateful for the services it provided,” said Doug Mayne, Administrator for Emergency Management. “Individuals are urged to update notice subscriptions with alternatives. Having a reliable way to get information on local dangers is crucial to making sure an emergency doesn’t turn into a disaster.”

Wireless Emergency Alerts (WEA) are also available through the federal government for people with WEA-enabled phones. Go to http://www.ready.gov/alerts for more information.

3.3 Magnitude Earthquake Shakes Volcano Area of Big Island

A 3.3 magnitude earthquake was registered at 5:37 AM this morning in the Volcano area of the Big Island:
3.3 Volcano

3.3 Magnitude Earthquake Hits Honoka’a

A 3.3 magnitude earthquake shook the Honoka’a area of the Big Island around 1:19 AM this morning:

33 honok

NO TSUNAMI THREAT TO HAWAII After 7.8 Magnitude Earthquake in Solomon Islands

TO - CIVIL DEFENSE IN THE STATE OF HAWAII

SUBJECT - TSUNAMI INFORMATION STATEMENT

THE MAGNITUDE IS REVISED DOWNWARD FROM 8.3 TO 7.8 IN THIS
MESSAGE.  THERE IS NO TSUNAMI THREAT TO HAWAII.

THIS STATEMENT IS FOR INFORMATION ONLY. NO ACTION REQUIRED.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

   ORIGIN TIME - 1015 AM HST 12 APR 2014
   COORDINATES - 11.3 SOUTH  162.3 EAST
   LOCATION    - SOLOMON ISLANDS
   MAGNITUDE   - 7.8  MOMENT

EVALUATION

 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 FINAL STATEMENT ISSUED FOR THIS EVENT UNLESS
ADDITIONAL DATA ARE RECEIVED.

Tsunami Advisory in Effect Until 8 AM

TSUNAMI ADVISORY IN EFFECT TODAY UNTIL 8AM WEDNESDAY, 4/2/2014.

NO LAND EVACUATIONS ARE NECESSARY; HOWEVER WITH THE OCEAN CURRENTS AND FLUCTUATION CITY OFFICIALS ARE ASKING THE PUBLIC TO STAY OUT OF THE OCEAN AND AWAY FROM SHORELINES AND MARINAS. IN ADDITION, STAY AWAY FROM STREAMS AND CANALS THAT FEED DIRECTLY INTO THE OCEAN. BOATERS NEED TO EXERCISE CAUTION ENTERING AND EXITING HARBORS.

DEM EMERGENCY OPERATIONS CENTER WILL ACTIVATE DUE TO THE TSUNAMI AND CONTINUE TO MONITOR CONDITIONS.

Instructions:

TOMORROW, WEDNESDAY 4/2/2014, THE PUBLIC NEEDS TO STAY OUT OF THE OCEAN AND AWAY FROM SHORELINES AND MARINAS. IN ADDITION, STAY AWAY FROM STREAMS AND CANALS THAT FEED DIRECTLY INTO THE OCEAN. BOATERS NEED TO EXERCISE CAUTION ENTERING AND EXITING HARBORS.

Tsunami Advisory Issued for State of Hawaii

TO – CIVIL DEFENSE IN THE STATE OF HAWAII

SUBJECT – TSUNAMI ADVISORY

A TSUNAMI ADVISORY IS ISSUED FOR THE STATE OF HAWAII EFFECTIVE
AT 0545 PM HST.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

ORIGIN TIME – 0147 PM HST 01 APR 2014
COORDINATES – 19.8 SOUTH   70.8 WEST
LOCATION    – OFF THE COAST OF NORTHERN CHILE
MAGNITUDE   – 8.2  MOMENT

MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY

GAUGE LOCATION        LAT   LON    TIME        AMPL         PER
——————-  —– ——  —–  —————  —–
JUAN FERNANDEZ       33.6S  78.8W  0215Z   0.16M /  0.5FT  36MIN
SAN FELIX CL         26.3S  80.1W  0137Z   0.68M /  2.2FT  06MIN
COQUIMBO CL          30.0S  71.3W  0138Z   0.15M /  0.5FT  34MIN
CALDERA CL           27.1S  70.8W  0102Z   0.11M /  0.4FT  30MIN
CHANARAL CL          26.4S  70.6W  0133Z   0.24M /  0.8FT  28MIN
CALLAO LA-PUNTA PE   12.1S  77.2W  0158Z   0.12M /  0.4FT  38MIN
ARICA CL             18.5S  70.3W  0116Z   1.83M /  6.0FT  18MIN
MATARANI PE          17.0S  72.1W  0127Z   0.58M /  1.9FT  08MIN
PAPOSO CL            25.0S  70.5W  0125Z   0.26M /  0.9FT  22MIN
PISAGUA CL           19.6S  70.2W  0055Z   2.01M /  6.6FT  12MIN
MEJILLONES CL        23.1S  70.5W  0103Z   0.86M /  2.8FT  34MIN
TOCOPILLA CL         22.1S  70.2W  0109Z   0.42M /  1.4FT  10MIN
DART 32402           26.7S  74.0W  0044Z   0.05M /  0.2FT  44MIN
ANTOFAGASTA CL       23.7S  70.4W  0034Z   0.25M /  0.8FT  18MIN
PATACHE CL           20.8S  70.2W  0015Z   1.51M /  5.0FT  10MIN
IQUIQUE CL           20.2S  70.1W  0005Z   2.11M /  6.9FT  12MIN

LAT  – LATITUDE (N-NORTH, S-SOUTH)
LON  – LONGITUDE (E-EAST, W-WEST)
TIME – TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME)
AMPL – TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL.
IT IS …NOT… CREST-TO-TROUGH WAVE HEIGHT.
VALUES ARE GIVEN IN BOTH METERS(M) AND FEET(FT).
PER  – PERIOD OF TIME IN MINUTES(MIN) FROM ONE WAVE TO THE NEXT.

NOTE – DART MEASUREMENTS ARE FROM THE DEEP OCEAN AND THEY
ARE GENERALLY MUCH SMALLER THAN WOULD BE COASTAL
MEASUREMENTS AT SIMILAR LOCATIONS.

EVALUATION

BASED ON ALL AVAILABLE DATA A MAJOR TSUNAMI IS NOT EXPECTED TO
STRIKE THE STATE OF HAWAII. HOWEVER…SEA LEVEL CHANGES AND
STRONG CURRENTS MAY OCCUR ALONG ALL COASTS THAT COULD BE A HAZARD
TO SWIMMERS AND BOATERS AS WELL AS TO PERSONS NEAR THE SHORE AT
BEACHES AND IN HARBORS AND MARINAS.  THE THREAT MAY CONTINUE FOR
SEVERAL HOURS AFTER THE INITIAL WAVE ARRIVAL.

THE ESTIMATED TIME OF ARRIVAL OF THE INITIAL WAVE IS

0324 AM HST WED 02 APR 2014

FURTHER MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS
WARRANT UNTIL THE THREAT TO HAWAII HAS PASSED.

Tsunami Threat To Hawaii Still Being Evaluated After 8.0 Magnitude Earthquake Strikes off Chile

TO - CIVIL DEFENSE IN THE STATE OF HAWAII
Civildefense
SUBJECT - TSUNAMI INFORMATION STATEMENT

THIS STATEMENT IS FOR INFORMATION ONLY. NO ACTION IS REQUIRED AT
THIS TIME. HOWEVER... THE TSUNAMI THREAT TO HAWAII IS STILL
BEING EVALUATED.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

   ORIGIN TIME - 0147 PM HST 01 APR 2014
   COORDINATES - 19.8 SOUTH   70.8 WEST
   LOCATION    - OFF THE COAST OF NORTHERN CHILE
   MAGNITUDE   - 8.0  MOMENT

EVALUATION

 THE PACIFIC TSUNAMI WARNING CENTER HAS ISSUED AN EXPANDING
 REGIONAL TSUNAMI WARNING AND WATCH FOR PARTS OF THE PACIFIC
 LOCATED CLOSER TO THE EARTHQUAKE. AN EVALUATION OF THE PACIFIC
 WIDE TSUNAMI THREAT IS UNDERWAY AND THERE IS A POSSIBILITY THAT
 HAWAII COULD BE ELEVATED TO A WATCH OR WARNING STATUS.

 IF TSUNAMI WAVES IMPACT HAWAII THEIR ESTIMATED EARLIEST ARRIVAL
 TIME IS  0324 AM HST WED 02 APR 2014

FURTHER STATEMENTS WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS
WARRANT UNTIL THE THREAT TO HAWAII HAS PASSED.

3.0 Magnitude Earthquake Off the Coast of the Big Island

A 3.0 magnitude earthquake struck off the Kailua side of the Big Island this afternoon.  No tsunami was generated from this.
3.0 Kalaloa

3.3 Magnitude Earthquake in the Leilani Estates Area Earlier Today

A 3.3 magnitude earthquake struck the Leilani Estates area of the Big Island this afternoon:
3.3 Leilani

New Videos Released for Great Alaska Quake 50th Anniversary

The U.S. Geological Survey has released two new videos about the Great Alaska Earthquake of March 27, 1964 to commemorate the upcoming 50th anniversary of the largest earthquake ever recorded in the United States.

The videos include rare vintage film footage and photos of the earthquake damage, combined with modern interviews with some of the same scientists who first investigated the magnitude 9.2 quake. They tell the story about the scientific discovery that was a significant early contribution to the now widely-accepted theory of plate tectonics.

[youtube=http://youtu.be/lE2j10xyOgI]

The two videos, a four-minute, and an 11-minute version of the same story, feature USGS Geologist Emeritus George Plafker who was one of the first geologists on the scene 50 years ago to assess the damage and help with plans for rebuilding. Today, Plafker is still conducting geologic research to better understand the ground response and what the severity of shaking may be during the next big earthquake in Alaska. While the probability of a repeat earthquake of the same magnitude is very low, even a smaller quake of magnitude 7 or 8 can do a significant amount of damage. Plafker’s and other scientists’ research contributes to the safety and resiliency of Alaska communities to future large quakes.

[youtube=http://youtu.be/jvl-4IWjHXo]

“This is an incredible story. We’ve got great old film footage, revolutionary science and some remarkable geologists who’ve really made a difference,” said USGS video producer Stephen M. Wessells. “It’s been exciting to learn how two generations of scientists have sorted out the details and clarified the threats.”

While examining modern sediment cores drilled in Alaska and brought into the laboratory, Plafker reminisces about his first impressions on the scene immediately after the devastating earthquake and tsunami. His current research is helping scientists understand how frequently earthquakes of that size have occurred in the past. Carbon dating the layers in the core sample, reveals the past 5000 years of prehistory, and gives Plafker a clue about the potential of future activity or occurrences of similar events.

As the anniversary approaches, many educational and historic public events are planned. Check the 1964 Great Alaska Earthquake and Tsunami 50th Anniversary website for an up to date schedule and additional resources

3.5 Magnitude Earthquake Shakes Waikoloa Area of Big Island

A 3.5 magnitude earthquake shook the Waikoloa area of the Big Island today around 1:25 this afternoon.  No tsunami was generated from it:
35 Waikoloa

3.1 Magnitude Earthquake Shakes Pahala Tonight

A 3.1 magnitude earthquake shook the Pahala area of the Big Island around 5:42 Hawaii time:

31 Pahala3No tsunami was generated from this event.

3.5 and 3.1 Magnitude Earthquakes Shake the Big Island Today

A 3.5 magnitude earthquake struck the Volcano area of the Big Island this morning:
35 volcanoEarlier today a 3.1 magnitude earthquake struck the Kalaoa area of the Big Island:
31 kalaloa

3.0 Magnitude Earthquake Shakes Lower Part of Volcano Area

A 3.0 magnitude earthquake was registered today at 10:01 this morning in East Hawaii:

3.0 Kalapana

3.2 Magnitude Earthquake Struck the Big Island This Morning

A 3.2 magnitude earthquake struck the Fern Acres area of the Big Island this morning around 2:23 this morning.  It initially registered 3.0 on the Richter scale but has been upgraded to a 3.2 magnitude.

32Fernacres127

3.1 Magnitude Earthquake Registered This Morning in Pahala

A 3.1 magnitude earthquake was registered in Pahala on the Big Island at 4:21 this morning:

3.1 Pahala

3.0 Magnitude Earthquake Shakes Volcano Area of Big Island

A 3.0 magnitude earthquake hit the volcano area of the Big Island around 10:00 this morning:

30 Volcano2