Over the weekend, there were more than 250 earthquakes at Kilauea's summit, with four explosions on Saturday sending ash as high as 3,650-4,575 metres, officials said.
Steve Brantley of the Hawaiian Volcano Observatory said the flow seemed to have halted Sunday morning after moving slowly into the proximity of the well overnight.
Geothermal wells often release small amounts of toxic hydrogen sulfide during normal operations, usually well below emissions limits set by local governments, but lava could destabilize a well and release more, the analysis said.
More residents in some sections of the Leilani Estates neighbourhood were ordered to immediately evacuate shortly before 8 p.m.
The lava has reportedly destroyed at least 82 structures and displaced thousands of people.
CSK Thrash SRH To Lift Vivo IPL 2018
The spectacular flourish that became his trademark has been replaced by tentative jabs at the ball, or fatal pre-determined shots. He was supported by Yusuf Pathan who hit an unbeaten 45 off 25 balls, including four fours and two sixes.
Meanwhile, as was feared for weeks, lava crawled onto the property of the Puna Geothermal Venture plant.
Thousands of residents have been impacted by evacuation orders as lava continues to flow, entering the ocean at three different points as of May 26. Civil Defense says there are also reports of lava fountains on Moku Street.
The sole reported serious injury from the eruption so far came when a man was hit by flying lava.
Meanwhile, about 60,000 gallons of pentane, a highly-flammable chemical, were moved from the PGV site early this month.
Light winds are expected to push volcanic gases westward, increasing the presence of ash and sulfur dioxide downwind of the Kilauea summit, the National Weather Service said on Monday.
Lava-filled fissures have torn apart chunks of the southeastern side of the Big Island over the past three weeks as Kilaeau has become more active.