Earth Changes
The tremor, measuring 5.9 magnitude, was centered in western Michoacan state. It was not immediately known whether there were any casualties or serious damage to buildings.
The U.S. National Earthquake Information Center in Colorado gave a preliminary magnitude estimate of 5.9.
"It was very short, but it felt really strong," said 74-year-old Juana Ruiz in Mexico City's historic center, which was devastated by a massive earthquake in 1985
On a visit to the Galician regional capital of Santiago de Compostela Rubalcaba said Friday many fires seemed to be "strategically planned with very evil intentions."
Typhoon Saomai tore into Cangnan county in the eastern province of Zhejiang on Thursday after authorities had moved hundreds of thousands in the densely populated commercial province to safety.
By Friday evening, 104 people were confirmed dead and 190 were missing in Zhejiang and neighboring Fujian province, Xinhua said. Some 54,000 houses were destroyed.
State television put the direct economic loss at 11.3 billion yuan ($1.42 billion).
Tuesday's quake in Groningen at around 7am was registered by all seismic stations in the country. It was centred on the town of Middelstum which lies in the middle of the gas fields in the province.
Reports of spider sightings have dominated local media, triggering hundreds of calls to a Vienna poison hotline and prompting the government to issue a plea for calm.
The depth of the quake was nearly 150 kilometres.
There are no reports of damage.
"Floods from the overflowing Dechatu river hit Dire Dawa town in the middle of Saturday night while residents were sleeping," police inspector Benyam Fikru told Reuters.
"The death toll has now reached 150."
Once dismissed as a nautical myth, freak or "rogue" waves have been recorded by shipping vessels and more accurately measured from oil and gas platforms at sea.
The waves arise by chance when others combine, leading to giant walls of water that momentarily tower above the rest of the ocean, at heights in excess of 30 metres.
The head of the agency's earthquake center, Fauzi, said the 6.6-magnitude quake was centered at a depth of 62 kilometers under the sea, 90 km southeast of the city of Gorontalo.