Earth Changes
The epicenter was about 39 km (24 miles) north-northeast of Ternate.
The tremor occurred at a depth of about 162 km (101 miles), and light shaking was probably felt throughout much of Halmahera and surrounding islands.
There have been no initial reports of damage or casualties as a result of the earthquake; however, significant damage is unlikely. It could take several hours until authorities can conduct comprehensive damage assessments, especially in remote areas. Moderate-to-light aftershocks are likely over the coming days.

A video circulating online which was taken from the top deck of a double-decker bus showed the rampage erupt
The nightmare bite attacks unfolded as the animal's owner was taking it for a walk on Saturday afternoon in Bordesley Green, Birmingham.
A video circulating online which was taken from the top deck of a double-decker bus showed the rampage erupt. The little girl's arms was chomped on by the animal before a man managed to pull the dog off her.

Flood and landslide damage in the Guria Region, Georgia, September 2023.
Roads, bridges and other infrastructure have all been damaged, along with dozens of residential homes. The Emergency Management Service evacuated 122 people from the villages of Ozurgeti and Lanchkhuti municipality on 10 September. Around 10 homes have been completely destroyed.
According to the Ministry of Interior, 3 people have died in three separate incidents. The an elderly woman who died when a landslide destroyed her home in the village of Silauri in Ozurgeti Municipality.
The South Africa Weather Service issued a yellow level 1 alert for damaging wind between Plettenberg Bay and Maputo and along the KwaZulu-Natal coastline.
British Divers Marine Life Rescue was warned of unusual activity in a pod of common dolphins in Dunvegan Bay on Monday. Some of the animals became "stuck in deep mud". This weekend experts will try to find why the dolphins became stranded.
The deaths follow the UK's biggest pilot whale stranding when 54 creatures died on the Isle of Lewis in July. Only one whale was successfully refloated despite the efforts of rescue teams at Traigh Mhor, North Tolsta. Diggers were used to take the dead mammals from the remote beach to a landfill site.
Among the dead was a female pilot whale.
(More here)
It is believed the two dolphins are a mother and calf, and their sighting on the Ouse, around Bluntisham and Earith, has prompted concerns for their wellbeing.
Jon Heath, the county bird recorder for Cambridgeshire, who took these pictures and regularly contribute to the Cambridge Independent's nature coverage, went to see them after they were spotted by photographer Simon Stirrup on Thursday.
The tremor hit at 9:43 pm local time (1443 GMT) at a depth of 9.9 kilometres, according to the USGS.
Indonesia's geophysics agency (BMKG) reported no immediate tsunami but warned of possible aftershocks. It initially reported a magnitude of 6.3.
"I was having a good sleep (when the earthquake jolted). I jumped out of bed immediately," said Qamariah, a 41-year-old housewife in Central Sulawesi's Malei village.

A car is seen resting next to a toppled fence in the wake of Typhoon Yun-yeung following flooding of a river in the Fukushima Prefecture city of Iwaki on Sept. 9, 2023.
At around 6:15 a.m. on Sept. 9, a man apparently aged in his 70s or 80s was found collapsed in a ditch in the Fukushima Prefecture city of Iwaki, and was showing no vital signs. He was later confirmed dead. According to the Iwaki Fire Department and other sources, a woman in her 70s also suffered light injuries when evacuating from her home. The Iwaki Municipal Government reported that one structure was totally destroyed by a landslide, while many cases of flooding were also confirmed.
As of around 12:30 p.m., the storms that produced the twister are rolling onshore from the Atlantic Ocean.
A waterspout is described as "a whirling column of air and water mist" by the National Ocean Service. They can form in fair weather or stormy weather.
When a waterspout reaches land, the National Weather Service issues a tornado warning.
Comment: 3 days earlier: Concern for dolphins spotted 40 miles inland in River Great Ouse in Cambridgeshire, UK