EARTHQUAKE: THE TOLL ON BUSINESS

Here is a partial survey of the earthquake’s impact on Southland businesses as of late Thursday:

Loss estimates

* Insured losses: Estimates approach $2 billion.

* Total damage: Estimated between $15 billion and $30 billion.

Businesses closed or damaged

Gas stations:

* Arco: Twenty-four in the San Fernando Valley and Santa Monica closed.

* Mobil: Three in Northridge and North Hollywood closed.

* Unocal: Two in the West Valley area remain closed.

Financial services:

* Bank of America: Fourteen branches in the San Fernando Valley and Westside closed; 30 ATMs out of service in the Valley.

* First Interstate: Five San Fernando Valley branches closed.

* Great Western Bank: Five San Fernando Valley branches closed; only one of 14 buildings at its Chatsworth headquarters complex open; 2,900 employees idled.

* Union Bank: North Hollywood branch and Beverly Hills regional office closed.

* Wells Fargo: Devonshire-Mason branch in Chatsworth closed; temporary branch in trailer scheduled to be in operation early next week.

Brokerage houses:

* Fidelity Investments and Dreyfus Mutual Funds: Some Southern California investment centers remain closed.

Malls:

* Beverly Center: Closed; will reopen at 10 a.m. Saturday.

* Canoga Park Promenade: Closed; scheduled to reopen by Saturday.

* Fallbrook Mall: Closed; scheduled to reopen by early next week.

* Glendale Galleria: Mall open; parking structure partially closed.

* Laurel Plaza: Closed two to three weeks for repairs.

* Media City Center: Reopened.

* Northridge Fashion Center: Closed; major damage; two parking structures collapsed; may remain closed three to six months.

* Sherman Oaks Fashion Square: Closed; major damage; may remain closed several months.

* Sherman Oaks Galleria: Closed; may reopen in a month.

* Topanga Plaza: Closed; partial reopening early next week; department stores may remain closed four to six months.

* Valencia Town Center: Reopened.

Supermarkets:

* Hughes: All stores now open.

* Lucky: Three West Valley stores closed due to structural damage.

* Ralphs: Three stores in the West Valley closed due to structural damage.

* Vons: Three stores in the San Fernando Valley and one in Santa Monica will remain closed today.

Manufacturing plants:

* Hughes Aircraft: Canoga Park plant closed; 1,500 employees idled.

* Lockheed: All facilities back to normal operation.

* Rockwell International: Rocketdyne plant in Canoga Park partially reopened; 4,900 employees remain idled.

Major San Fernando Valley businesses:

* Packard Bell: Relocating from Chatsworth to Westlake Village; 1,150 employees idled.

* U.S. Postal Service: Van Nuys mail-processing center: Heavy damage, including broken water pipes and cracked floors.

* 20th Century Insurance Co.: Woodland Hills headquarters reopened.

Sources: Wire reports, companies

Researched by ADAM S. BAUMAN / Los Angeles Times