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Observatory Messages

This page displays the latest volcano observatory short messages issued by the USGS Hawaiian Volcano Observatory. These short messages are quick status updates published on our website, social media, RSS and JSON. They supplement more detailed official products published in the Volcano Notification Service. 

Filter Total Items: 541
Kilauea Message Fri, 15 Jun 2018 15:08:17 HST
On June 15, at about noon HST, an explosive event occurred at Halema`uma`u from which ash and gases rose to nearly 10,000 ft above sea level. The energy of the event was equivalent to a magnitude-5.3 earthquake.
Kilauea Message Thu, 14 Jun 2018 03:42:36 HST
At 3:19 AM HST, another small explosion occurred at Kīlauea's summit, producing a plume which rose to 6,000 ft above sea level. As with previous events, minor ashfall may occur downwind.
Kilauea Message Wed, 13 Jun 2018 11:05:44 HST
Fissure 8 continues to erupt and lava is entering the ocean. A vigorous "laze" plume rises from the active ocean entry. Kīlauea summit area around Halema‘u ma‘u continues to subside and slump toward the crater.
Kilauea Message Wed, 13 Jun 2018 04:00:35 HST
At 3:39 AM HST, another small explosion occurred at Kīlauea's summit. Preliminary magnitude is 5.4. As with previous events, minor ashfall may occur downwind.
Kilauea Message Tue, 12 Jun 2018 17:29:57 HST
HVO field crew detect temperatures as high as 430 deg C (806 deg F) in a non-erupting crack in the Lower East Rift Zone.
Kilauea Message Tue, 12 Jun 2018 10:30:04 HST
HVO's morning overflight confirms no major changes to the Fissure 8 lava flow field. Lava is entering the ocean along a broad front. Kīlauea summit area around Halema‘uma‘u continues to subside.
Kilauea Message Tue, 12 Jun 2018 03:58:21 HST
At 1:52 AM HST, another small explosion occurred at Kīlauea's summit. This event and many of its precursory earthquakes were widely felt in the Volcano area. Ashfall may impact communities in the south part of the island.
Kilauea Message Mon, 11 Jun 2018 04:55:02 HST
Another small explosion occurred at Kīlauea's summit at 4:43 AM HST (the previous event at 12:46 AM was smaller). Preliminary magnitude is 5.4. As with previous events, minor ashfall may occur downwind.
Kilauea Message Mon, 11 Jun 2018 01:03:17 HST
We detected a small explosion at Kīlauea's summit at 12:46 AM HST on June 11. This is typical of past events, and residents downwind might experience minor ashfall as a result.
Kilauea Message Sun, 10 Jun 2018 01:06:22 HST
At 12:51 AM HST, another small explosion occurred at Kīlauea's summit; equivalent magnitude was M5.4; event widely felt in Volcano area; based on past events, minor ashfall may occur on the south part of the island.
Kilauea Message Sat, 09 Jun 2018 05:11:06 HST
Small explosion (typical of past events) at Kīlauea's summit at 4:48 AM HST; PTWC reports M5.2; shaking equal to M4.3. Felt in Volcano area and as far away as Hilo. Ashfall may impact communities in south part of island.
Kilauea Message Sat, 09 Jun 2018 03:17:12 HST
Summit seismicity is elevated, with up to 35 located earthquakes per hour (several of which have been felt in the Volcano area). Based on previous patterns, a small explosion is expected from the summit within hours.
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