>> THE RECENT EARTHQUAKE THAT JOLTED THE SOUTHLAND IS SPARKING CONCERN AND HIGHLIGHTING A MUCH SMALLER BUT POTENTIALLY MORE THREATENING FAULT LINE. THE FALLS RUNNING FROM THE PASADENA AREA TO POINT HILLS HAS BEEN VERY ACTIVE IN RECENT MONTHS, KTLA IS RACHEL MENITOFF HAS MORE FROM HIGHLAND PARK. >> ANGELENOS FELT THE JOLT THE SHAKING OF THE 4.4 MAGNITUDE EARTHQUAKE. THIS WEEK IT FELT LIKE A POSSIBLE. SOME PUT THEIR EARTHQUAKE DRILLS TO GOOD USE AND SHELTERED UNDERNEATH KITCHEN TABLES REALLY IS ORIGINATED FROM THE HILLS FAULT WHICH IS 25 MILES LONG AND RUNS FROM GLENDALE TO PASADENA TO HILLS ITS BEEN REALLY ACTIVE IN RECENT MONTHS MUCH MORE SO THAN IN PAST 2 YEARS. LOCATION NEAR APARTMENT BUILDINGS, HOMES AND BUSINESSES IS CONCERNING HAS THE POTENTIAL FOR A VERY LARGE EARTHQUAKE. IT'S BEEN MODELED UP TO MAGNITUDE 7 AND A HALF THE ISSUE OF RETROFITTING IS COMING BACK TO THE FOREFRONT IN 2015 THE LA CITY COUNCIL VOTED TO REQUIRE CERTAIN OLDER BUILDINGS TO UNDERGO RETROFITS TO MAKE THEM MORE RESILIENT OWNERS HAD UNTIL 2023 TO MAKE THOSE CHANGES. ACCORDING TO ANALYSIS FROM THE LA TIMES THERE ARE CURRENTLY 6,000 BUILDINGS POTENTIALLY IN NEED OF EARTHQUAKE UPDATES IN LA COUNTY. KTLA CONSUMER EXPERT DAVID LAZARUS SAYS LUCKILY TECHNOLOGY AND INFRASTRUCTURE HAS IMPROVED ENORMOUSLY OVER THE DECADES BUILDINGS THAT GO UP NOW WILL SIMPLY BE SAFER THAN BUILDINGS THAT WENT UP SAY 2030 YEARS AGO, SO THAT'S AN ELEMENT TO ALL OF THIS. >> AT THE SAME TIME MAKE NO MISTAKE. IT'S A ROLL OF THE DICE IF YOU'RE PLANNING TO SPEND MILLIONS OR BILLIONS OF DOLLARS ON A NEW PROJECT, YOU KNOW FULL WELL THERE COULD BE A CATASTROPHE AROUND THE CORNER FOR COMPARISON 1994 NORTHRIDGE EARTHQUAKE KILLED 57 PEOPLE AND CAUSED 10'S OF BILLIONS OF DOLLARS IN DAMAGE AT A MAGNITUDE 6.7. NOW THE USGS ESTIMATES THAT IF HILLS FAULT LINE PRODUCES A FULL RUPTURE DAMAGE COULD TOP 252 BILLION DOLLARS HUNDREDS OF THOUSANDS OF PEOPLE WOULD BE DISPLACED AND ANYWHERE FROM 3 TO 8,000 PEOPLE COULD DIE THROUGH NORTHRIDGE EARTHQUAKE. SO YOU KNOW THE FIRST THING I SAID IS I THINK THE BIG ONE'S COMING GUYS JUDITH GOLDSTEIN, THE OWNER OF LUKE GUN NATURAL GOODS AND HIGHLAND PARK REMEMBERS THE PROGRESSION OF SMALLER QUAKES. >> LEADING UP TO A VERY DESTRUCTIVE ONE. >> I KNOW THAT THIS IS THE SIGNS THAT A BIG EARTHQUAKE IS PROBABLY GOING TO COME >> I HOPE I'M WRONG IT PASSES BUT IT USUALLY THAT'S HOW IT WAS BEFORE THE NORTH RIDGE EARTHQUAKE SEISMOLOGIST DOCTOR LUCY JONES SAYS SHE HOPES THE SMALLER TREMORS ARE A REMINDER THAT A LARGER QUAKE CAN STRIKE AT ANY TIME BEING PREPARED. SHE SAYS DOESN'T JUST MEAN HAVING SUPPLY STOCKED UP LIKE WATER, IT'S ALSO REALLY IMPORTANT TO HAVE A PLAN IN PLACE WITH YOUR FAMILY