Closer to the explosion it shattered glass in homes, offices and cars.
Gen. John Nicholson, the top USA and North Atlantic Treaty Organisation commander in Afghanistan, visited the site of the blast and consulted with the German ambassador, the spokesman added. The bombing left dozens dead and countless injured.
The blast blew in the doors and windows of the embassy building, Esme Nicholson reports for NPR from Berlin.
"Our embassy is in lockdown", Department of Foreign Affairs and Trade secretary Frances Adamson said following the attack. The explosion occurred near the German embassy at one of the entrances to Kabul's unofficial Green Zone.
The BBC said a driver for the British broadcaster was killed and four of its journalists were wounded. "It is time for an interim government to be formed", said Mirwais Yasini, a member of parliament.
Scores of people waited Thursday in hospitals to hear about the status of family members and friends wounded in Wednesday's attack. She adds that for now, Germany will suspend deportations of rejected Afghan asylum seekers, to ease the workload of the embassy staff in Kabul. "Two Japanese embassy staffers were mildly injured, suffering cuts", a foreign ministry official in Tokyo told AFP. "There's a lot of anger right now directed at officials", he said.
In scale, it was one of the worst such attacks since the US-led campaign to oust the Taliban in 2001 but in kind, it was only the latest in a grim series that has killed thousands of civilians over the years.
The Ghani government, weakened by internal tensions, has faced an uphill battle to fend off an aggressive push by Taliban insurgents in recent months, as well as a number of assaults claimed by the Islamic State.
The Haqqani Network has not responded to the accusation from Afghanistan's intelligence service nor claimed responsibility for the attack.
An Afghan health official has raised the death toll from the massive suicide auto bombing in Kabul earlier in the day, saying the attack killed 80 people. He says the target of the attack was not immediately known but that most of the casualties were civilians, including women and children.
Glasse said the Afghan presidential palace and the Indian Embassy are also nearby. "I've never seen such a powerful explosion in my life", he said. "Our thoughts are with the families of the deceased & prayers with the injured".
Strongly condemn the appalling attack in #Kabul that killed many innocent.
Afghan President Ashraf Ghani also condemned the attack, which came just days into the Muslim holy month of Ramadan.
No group has claimed responsibility for what the authorities say was a suicide auto bombing that struck a highly secure diplomatic area of the Afghan capital. Tolo News said most victims were civilians, a large number of them reportedly from the Roshan mobile company.
The Taliban has denied responsibility and the Afghan affiliate of ISIS, which has recently conducted several high-profile attacks inside Kabul, has not commented on the blast.
The truck, believed to be driven by a suicide bomber, exploded with a deafening roar at 8:22 a.m.in downtown Kabul when the roads were packed with motorists driving to work, the Afghan media reported.
A man who was blocks away from a vehicle bomb in Kabul, Afghanistan that killed at least 90 people and injured about 400 more said that explosions are commonplace in the nation's capital. The target of the bombing wasn't immediately clear.
An Interior Ministry spokesman said more than 30 cars and trucks on the street outside were also destroyed.
President Nazarbayev was deeply saddened by the news of heavy casualties as a result of the terrorist act in the Afghan capital Kabul.
The death toll from the attack, which took place during the first week of the holy fasting month of Ramadan may increase as numerous wounded were in a critical condition, said Health Ministry spokesman Ismail Kawasi.