China’s achievement with quantum satellite challenges reporters

0

source

Battering storms caused Antarctic sea ice to shrink at record pace

0
Unusually intense storms could explain why Antarctic sea ice shrank to its smallest observed extent this year.

Drowned wildebeests can feed a river ecosystem for years

0
Only a small percentage of wildebeests drown as they cross the Mara River, but they provide resources for the river ecosystem for years after their deaths.

Floral curve test shows what’s great for a moth is not so good for a flower

0
3-D printed flowers reveal a hidden conflict between a hawk moth and the flowers it pollinates.

Small earthquake swarm in the Truckee region (border area California/Nevada) – June 27, 2017

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Update 13:58 UTC: Based on the present earthquake parameters (Magnitude, Depth, Population, etc) and our experience with earthquake damage impact, earthquake-Report.com does not expect any serious damage from this earthquake

Update 13:52 UTC: Multiple minor earthquakes can be seen on the seismogram recorded at Columbia, CA
Via Anthony Lomax

Schermafbeelding 2017-06-27 om 15.51.49

Update : Focal mechanism of this earthquake (and probably also the other ones).
Do beach balls looks like Chinese or Latin to you, check this article “Understanding Beach Balls

Schermafbeelding 2017-06-27 om 15.40.06-compressed

Update :  Shaking map of the M3.9 (strongest so far) earthquake

Schermafbeelding 2017-06-27 om 15.39.17

Update 13:43:  Staying in Reno? Unless you are a very very sensitive person, you will normally not have felt it :)

Schermafbeelding 2017-06-27 om 15.39.49

Truckee, California – 20.0 km (12.4 mi)
Loyalton, California, 24.0 km (14.9 mi)
Verdi-Mogul, Nevada, 33.0 km (20.5 mi)
Reno, Nevada, 44.0 km (27.3 mi)
South Lake Tahoe, California, 67.0 km (41.6 mi)

Most important Earthquake Data:

Magnitude : 4

Local Time (conversion only below land) : 2017-06-27 02:02:01

GMT/UTC Time : 2017-06-27 09:02:01

Depth (Hypocenter) : 7 km

Depth and Magnitude updates in the list below.

Donation - long - San Francisco

Share your earthquake experience (I Have Felt It) with our readers.
Click on the “I Felt It” button behind the corresponding earthquake. Your earthquake experience is not only important for science, but also for people in the area as well as our global readership.

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I Felt It

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I Felt It

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INFO

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I Felt It

SRC Location UTC Date/time M D INFO
USGS Truckee, California Jun 27 16:17 2.9 -1 MAP
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USGS Truckee, California Jun 27 12:43 2.6 -1 MAP
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  • Placerville – 2 tremors that slightly shook our home around the 2:00 am period. Second one was a bit stronger. Home is on wood frame and secure in bedrock slope. Have Bay Area earthquake experience so we knew the signs!
  • Grass Valley – Felt slight shaking lasting 2-3 seconds at 2:15AM.
  • USGS Truckee, California Jun 27 12:14 3.1 0 MAP
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    USGS Truckee, California Jun 27 10:35 3.0 -1 MAP
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    USGS Truckee, California Jun 27 09:16 3.0 -1 MAP
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    USGS Truckee, California Jun 27 09:09 4.0 -1 MAP
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  • Grass Valley – No damage. Light to moderate shaking. I recognized it was an earthquake this time. Light fixture was swinging. Lamps were rattling. Definitely attention getting.
  • EMSC Northern California Jun 27 09:09 4.1 8 MAP
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    USGS Truckee, California Jun 27 09:04 2.9 -1 MAP
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    USGS Truckee, California Jun 27 09:02 3.7 -1 MAP
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  • Quincy California – Probably a good five seconds the earthquake didn’t happen her but we felt it. None of my friends seam to notice but it was late and I do live on the second story
  • Grass Valley – I felt it light to moderate shaking. Its 2:30 am so not aware any damage but it was definitely attention getting.
  • Placerville – Very lite but enough to realize something had happened. Something small fell in back yard but no damage.
  • Grass Valley – No damage. Thought the cat was going through the cat door pretty loudly.
  • Gold Run – The shaking was enough to wake me up and make the dogs perk up. I was awake for about 5 seconds of light shaking – felt like it trended E-W based on the orientation of my bed.
  • EMSC Northern California Jun 27 09:02 4.0 7 MAP
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    USGS Chester, California Jun 27 04:32 2.5 3 MAP
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    Country where you felt the earthquake * Afghanistanaland IslandsAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBritish Antarctic TerritoryBritish Indian Ocean TerritoryBritish Virgin IslandsBruneiBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCanton and Enderbury IslandsCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos [Keeling] IslandsColombiaComorosCongo – BrazzavilleCongo – KinshasaCook IslandsCosta RicaC?te d?IvoireCroatiaCubaCyprusCzech RepublicDenmarkDjiboutiDominicaDominican RepublicDronning Maud LandEast GermanyEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland IslandsFaroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern and Antarctic TerritoriesFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuamGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard Island and McDonald IslandsHondurasHong Kong SAR ChinaHungaryIcelandIndiaIndonesiaIranIraqIrelandIsle of ManIsraelItalyJamaicaJapanJerseyJohnston IslandJordanKazakhstanKenyaKiribatiKuwaitKyrgyzstanLaosLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacau SAR ChinaMacedoniaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMetropolitan FranceMexicoMicronesiaMidway IslandsMoldovaMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmar [Burma]NamibiaNauruNepalNetherlandsNetherlands AntillesNeutral ZoneNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorth KoreaNorth VietnamNorthern Mariana IslandsNorwayOmanPacific Islands Trust TerritoryPakistanPalauPalestinian TerritoriesPanamaPanama Canal ZonePapua New GuineaParaguayPeople’s Democratic Republic of YemenPeruPhilippinesPitcairn IslandsPolandPortugalPuerto RicoQatarR?unionRomaniaRussiaRwandaSaint Barth?lemySaint HelenaSaint Kitts and NevisSaint LuciaSaint MartinSaint Pierre and MiquelonSaint Vincent and the GrenadinesSamoaSan MarinoS?o Tom? and Pr?ncipeSaudi ArabiaSenegalSerbiaSerbia and MontenegroSeychellesSierra LeoneSingaporeSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia and the South Sandwich IslandsSouth KoreaSpainSri LankaSudanSurinameSvalbard and Jan MayenSwazilandSwedenSwitzerlandSyriaTaiwanTajikistanTanzaniaThailandTimor-LesteTogoTokelauTongaTrinidad and TobagoTunisiaTurkeyTurkmenistanTurks and Caicos IslandsTuvaluU.S. Minor Outlying IslandsU.S. Miscellaneous Pacific IslandsU.S. Virgin IslandsUgandaUkraineUnion of Soviet Socialist RepublicsUnited Arab EmiratesUnited KingdomUnited StatesUnknown or Invalid RegionUruguayUzbekistanVanuatuVatican CityVenezuelaVietnamWake IslandWallis and FutunaWestern SaharaYemenZambiaZimbabwe
    City/Village where you felt the earthquake *
    Street or suburb (area) where you felt the earthquake
    Latitude (area) where you felt the earthquake
    Longitude (area) where you felt the earthquake
    Time that you felt the earthquake (local time)
    Shaking Strength *
    MMI II (Very weak shaking) ?

    People :
    Felt by persons at rest, on upper floors or favorably placed.
    MMI III (Weak shaking) ?

    People :
    Felt indoors; hanging objects may swing, vibration similar to passing of light trucks, duration may be estimated, may not be recognized as an earthquake.
    MMI IV (Light shaking) ?

    People :
    Generally noticed indoors but not outside. Light sleepers may be awakened. Vibration may be likened to the passing of heavy traffic, or to the jolt of a heavy object falling or striking the building.
    Fittings :
    Doors and windows rattle. Glassware and crockery rattle. Liquids in open vessels may be slightly disturbed. Standing motorcars may rock.
    Structures :
    Walls and frames of buildings, and partitions and suspended ceilings in commercial buildings, may be heard to creak.
    MMI V (Moderate shaking) ?

    People :
    Generally felt outside, and by almost everyone indoors. Most sleepers awakened. A few people alarmed.
    Fittings :
    Small unstable objects are displaced or upset. Some glassware and crockery may be broken. Hanging pictures knock against the wall. Open doors may swing. Cupboard doors secured by magnetic catches may open. Pendulum clocks stop, start, or change rate.
    Structures :
    Some large display windows cracked. A few earthenware toilet fixtures cracked.
    MMI VI (Strong shaking) ?

    People
    Felt by all. People and animals alarmed. Many run outside. Difficulty experienced in walking steadily.
    Fittings :
    Objects fall from shelves. Pictures fall from walls. Some furniture moved on smooth floors, some unsecured free-standing fireplaces moved. Glassware and crockery broken. Very unstable furniture overturned. Small church and school bells ring. Appliances move on bench or table tops. Filing cabinets or “easy glide” drawers may open (or shut).
    Structures :
    Slight damage to buildings with low standard. Some stucco or cement plaster falls. Large display windows broken. Damage to a few weak domestic chimneys, some may fall.
    Environment :
    Trees and bushes shake, or are heard to rustle. Loose material may be dislodged from sloping ground, e.g. existing slides, talus slopes, shingle slides.
    MMI VII (Very strong shaking) ?

    People
    General alarm. Difficulty experienced in standing. Noticed by motorcar drivers who may stop.
    Fittings :
    Large bells ring. Furniture moves on smooth floors, may move on carpeted floors. Substantial damage to fragile contents of buildings.
    Structures :
    Unreinforced stone and brick walls cracked. Low standard buildings cracked with some minor masonry falls. A few instances of damage to buildings of ordinary workmanship. Unbraced parapets, unbraced brick gables, and architectural ornaments fall. Roofing tiles, especially ridge tiles may be dislodged. Many unreinforced domestic chimneys damaged, often falling from roof-line. Water tanks Type I burst. A few instances of damage to brick veneers and plaster or cement-based linings. Unrestrained water cylinders (hot-water cylinders) may move and leak. Some common windows cracked. Suspended ceilings damaged.
    Environment :
    Water made turbid by stirred up mud. Small slides such as falls of sand and gravel banks, and small rock-falls from steep slopes and cuttings. Instances of settlement of unconsolidated or wet, or weak soils. Some fine cracks appear in sloping ground. A few instances of liquefaction (i.e. small water and sand ejections).
    MMI VIII (Severe shaking) ?

    People
    Alarm may approach panic. Steering of motorcars greatly affected.

    Structures :
    Low standard buildings heavily damaged, some collapse. ordinary workmanship buildings damaged, some with partial collapse. Reinforced masonry or concrete buildings damaged in some cases. A few instances of damage to buildings and bridges designed and built to resist earthquakes. Monuments and pre-1976 elevated tanks and factory stacks twisted or brought down. Some pre-1965 infill masonry panels damaged. A few post-1980 brick veneers damaged. Decayed timber piles of houses damaged. Houses not secured to foundations may move. Most unreinforced domestic chimneys damaged, some below roof-line, many brought down.

    Environment :
    Cracks appear on steep slopes and in wet ground. Small to moderate slides in roadside cuttings and unsupported excavations. Small water and sand ejections and localized lateral spreading adjacent to streams, canals, lakes, etc.

    MMI IX (Violent shaking) ?

    Structures
    Many low standard buildings destroyed. Ordinary workmanship buildings heavily damaged, some collapse. Reinforced masonry or concrete buildings damaged, some with partial collapse. Buildings and bridges designed and built to resist earthquakes damaged in some cases, some with flexible frames seriously damaged. Damage or permanent distortion to some buildings and bridges, designed and built to normal use standards. Houses not secured to foundations shifted off. Brick veneers fall and expose frames.

    Environment :
    Cracking of ground conspicuous. Landsliding general on steep slopes. Liquefaction effects intensified and more widespread, with large lateral spreading and flow sliding adjacent to streams, canals, lakes, etc.

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    var LANG_extra_text = jQuery(“#quake_c_extra”).text();

    jQuery(document).ready(function( $ ) {

    var captcha_url = “https://earthquake-report.com/wp-content/plugins/quakesos”;
    var xurl = “https://earthquake-report.com/wp-content/plugins/quakesos/experience.php”;
    var url1 = jQuery(“.quake_felt”).first().attr(“href”);
    jQuery(“#qid”).val(url1);
    jQuery(“#comments”).keyup(function(e) {
    var len = jQuery(this).val().trim().length;
    if (len<=500)
    jQuery("#quake_c_count")
    .html((500-len)+" "+LANG_count_text)
    .css("color","blue")
    .show()
    else
    jQuery("#quake_c_count")
    .html((len-500)+" "+LANG_extra_text)
    .css("color","red")
    .show()
    });
    jQuery(".MMI_help").click(function(e) {
    e.preventDefault();

    if (PREV_MII_Help)
    {
    PREV_MII_Help.fadeOut(300);
    }
    var h = jQuery(this).next();
    h
    .css("position","absolute")
    .css("width", "500px")
    .css("left", (parseInt(jQuery(this).css("left"))+50) + "px")
    .css("top", (parseInt(jQuery(this).css("top"))+50) + "px")
    //.hcenter()

    if (PREV_MII_Help && h.html() == PREV_v)
    {
    PREV_MII_Help.fadeOut(300);
    PREV_MII_Help = false;
    PREV_v = false;
    return;
    }
    PREV_MII_Help = h;
    PREV_v = h.html();
    h.fadeIn(300)
    });

    jQuery("#quake_experience").live("submit", function(e)
    {
    e.preventDefault();
    var FORM = this;
    var FORM_DATA = jQuery(this).serialize();

    jQuery("#exp_submit_button").attr("disabled", "true");

    window.setTimeout(function(){
    jQuery("#exp_submit_button").removeAttr("disabled");
    },1000);

    jQuery.post
    (
    xurl,
    FORM_DATA,
    function(data)
    {
    //alert(data);;
    //return
    jQuery("#quake_c_count").html("");
    /*if (data != "Invalid / empty security code entered! Please try again")
    jQuery("#form_overlay")
    .fadeOut(1000);
    */
    if (data != "")
    alert(data);
    else
    {
    jQuery("#comments,#captcha,#location,#local_eq_time").val("");
    jQuery("#form_overlay #qid").val("-1");
    jQuery('input[name="experience"]').removeAttr("checked");
    jQuery("#quake_success").html("
    Earthquake-Report.com appreciates sharing your experience with our readers!”);
    jQuery(“html, body”).animate({ scrollTop: $(“#form_overlay”).offset().top }, 100);
    }
    /*
    if (data == “Invalid / empty security code entered! Please try again”)
    {
    jQuery(“#captcha_img”)
    .attr(“src”, captcha_url + “/captcha.php?” + Date());
    jQuery(“#captcha”)
    .val(“”)
    .focus()
    }
    */
    }
    );

    });
    jQuery(“.quake_felt”).live(“click”, function(e)
    {
    e.preventDefault();
    var url = jQuery(this).attr(“href”);
    var mag = jQuery(this).attr(“mag”);
    var tit = jQuery(this).attr(“title”);
    jQuery(“#quake_title”).html(tit + ” – M ” + mag);

    //jQuery(“#form_overlay”)
    //.css(“z-index”, 2000)
    //.find(“#quake_experience”)

    jQuery(“#qid”).val(url);
    //jQuery(“#form_overlay”)
    //.hcenter()
    //.fadeIn(1000)
    jQuery(“#comments,#captcha”)//,#email
    .val(“”);
    //jQuery(“#email”)
    //.focus();

    //jQuery(“#captcha_img”)
    // .attr(“src”, captcha_url + “/captcha.php?” + Date());
    /*jQuery(“#captcha_reload”)
    .attr(“src”, captcha_url + “/reload.png”)
    .attr(“alt”, “Reload security captcha”)
    .attr(“title”, “Reload security captcha”)
    .css(“cursor”, “pointer”)
    .click(function(e) {
    jQuery(“#captcha_img”)
    .attr(“src”, captcha_url + “/captcha.php?” + Date());
    });
    */
    jQuery(“html, body”).animate({ scrollTop: $(“#form_overlay”).offset().top }, 500,
    function() {
    var fld = “#email”;
    if (jQuery(fld).val() != “”)
    fld = “#form_overlay input[name=”location”]”;
    jQuery(fld)
    .focus()
    .select()
    }
    );
    });
    jQuery(“#experience_close”).click(function(e)
    {
    jQuery(“#form_overlay”)
    .fadeOut(1000);
    }).css(“cursor”, “pointer”)

    });

    source