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Earthquake Depths - Past Week Kilauea
December 31, 2019

Earthquake Depths - Past Week Kilauea

Earthquake Depths - Past Week Kilauea. Circle-size represents magnitude, and color indicates depth. An interactive earthquake plot can be found on the HVO Earthquakes page.

Global Positioning System - Past Year - Kīlauea
December 31, 2019

Global Positioning System - Past Year - Kīlauea

Change in distance between two stations near Pu‘u ‘Ō‘ō. A rapid increase in distance can be interpreted as inflation of the summit magma reservoir or Pu‘u ‘Ō‘ō magma storage chamber.

Earthquake Depths - Past Week Kilauea
December 31, 2019

Earthquake Depths - Past Week Kilauea

Earthquake Depths - Past Week Kilauea. Depth of earthquakes (circles) during the past week. Circle-size represents magnitude, and color indicates depth.

Sulfur dioxide emission rates - Kīlauea summit - past year
December 31, 2019

Sulfur dioxide emission rates - Kīlauea summit - past year

Sulfur dioxide (SO2) emission rates measured using an upward-looking ultraviolet spectrometer. These data are collected by traversing the gas plume in a vehicle, downwind of Halema‘uma‘u, generally within and south of Kīlauea Caldera. Results from multiple traverses during a day are averaged to yield the emission rates shown here. Successful measurements depend

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Electronic Tilt at Kīlauea Summit and East Rift Zone - Past Week
December 31, 2019

Electronic Tilt at Kīlauea Summit and East Rift Zone - Past Week

Electronic Tilt at Kīlauea Summit and East Rift Zone - Past Week. The blue line shows the radial tilt at Uwekahuna station (UWE), on the western rim of Kīlauea's caldera. The green line is radial tilt at Pu‘u ‘Ō‘ō (POO), north of Pu‘u ‘Ō‘ō cone. These are recorded by continuously operating electronic tiltmeters. Positive changes often indicate inflation of the magma 

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Earthquake Hypocenters Map - Past 5 Years - Kīlauea
December 31, 2019

Earthquake Hypocenters Map - Past 5 Years - Kīlauea

Map showing locations of earthquakes during the past 5 years.

Earthquake Hypocenters Map - Past Month - Kilauea
December 31, 2019

Earthquake Hypocenters Map - Past Month - Kīlauea

Map showing locations of earthquakes during the past month.

Earthquake Hypocenters Cross Section - Past 5 Years - Kīlauea
December 31, 2019

Earthquake Hypocenters Cross Section - Past 5 Years - Kīlauea

 Depth of earthquakes (circles) during the past 5 years. Circle-size represents magnitude, and color indicates depth. 

Depth of Earthquakes - Past Month - Kīlauea
December 31, 2019

Depth of Earthquakes - Past Month - Kīlauea

Depth of earthquakes (circles) during the past month. Circle-size represents magnitude, and color indicates depth.

Earthquake Rates - Past 5 Years - Kīlauea
December 31, 2019

Earthquake Rates - Past 5 Years - Kīlauea

Number of earthquakes per month during the past 5 years (blue bars). The red line is the cumulative moment (energy) release. 

Earthquake Rates and Depths - Past Month - Kīlauea
December 31, 2019

Earthquake Rates and Depths - Past Month - Kīlauea

Number of earthquakes per day during the past month (blue bars). The red line is the cumulative moment (energy) release. 

Global Positioning System - Past 5 Years - Kīlauea Summit
December 31, 2019

Global Positioning System - Past 5 Years - Kīlauea Summit

Change in distance between two Global Positioning System (GPS) stations located on opposite sides of Kīlauea's caldera. A rapid increase in distance can be interpreted as inflation of the summit magma reservoir.