A magnitude 3.4 natural disaster has been detected in North Korea, China's quake administration says.
"The exchange of threats is quite bad, unacceptable", Sergei Lavrov told reporters at a news conference".
An EU diplomat said around eight new North Korean officials were likely to be added to the EU sanctions list.
Beijing has condemned the North's missile tests, but hopes to resolve the nuclear crisis through diplomatic means, pleading for a resumption of long-dormant six-nation talks. It will also ban imports of textiles from North Korea.
North Korea has one nuclear test site - Punggye-ri.
In a different response, South Korea's main opposition Liberty Korea Party (LKP) urged the Moon Jae-in government to stop "begging for dialogue" with North Korea, saying peace can be achieved only when backed by power.
Trump said the new executive order "significantly expands our authority to target individual companies, financial institutions, that finance and facilitate trade with North Korea" and "will cut off sources of revenue that fund North Korea's efforts to develop the deadliest weapons known to humankind".
Trump wants his own military parade after being wowed by France's
The most benign reason for a procession is the one Trump wants to emulate, marking a national holiday a la France's Bastille Day. During the Cold War, the practice was avoided as it was feared that it would look like the US was mimicking the Soviet Union.
The event follows a turbulent week between the USA and North Korea, with leaders Donald Trump and Kim Jong Un trading insults.
The U.S. Treasury Department now had authority to target those that conduct "significant trade in goods, services or technology with North Korea".
Trump stopped short of going after North Korea's biggest trading partner, China, and praised its central bank for ordering Chinese banks to stop doing business with North Korea.
Miyagi also said funds for maintaining emergency shelters ran out after the Cold War ended.
The United States Geological Survey (USGS) said the quake struck around 20 kilometres (12 miles) away from the North's nuclear test site, where earlier this month it detonated its sixth and largest device, which it claimed to be a hydrogen bomb capable of being launched onto a missile.
China warned on Friday that the situation on the Korean Peninsula was "grave" and called for restraint on all sides after North Korea hinted that it might explode a hydrogen bomb over the Pacific Ocean.