Volcano profile

United States

Ruby.

Volcano profile for Ruby in United States, including its current status, catalog data, nearby earthquakes and live map layers.

Live mapAll volcanoes
Current status
No current eruption report
Volcano type
Stratovolcano
Elevation
-174 m
Last documented eruption
2023
Coordinates
15.605°, 145.572°
GVP number
284202

Live map

Live map around Ruby

Satellites & ash clouds

Map options

Airports and nuclear plants provide geographic context. Being in or near an area does not establish closure, damage or a specific hazard.

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No current eruption report

United States

Ruby

Stratovolcano

Elevation
-174 m
Last documented eruption
2023
No current eruption report

No current report does not mean extinct or safe. Source coverage varies between volcanoes.

Geography & tectonics
Coordinates
15.605°, 145.572°
Volcanic region (GVP)
Mariana Volcanic Arc
Tectonic setting
Subduction zone / Crustal thickness unknown
GVP
284202
Documented eruptions · Nearby earthquakes ↓

Source: Smithsonian Global Volcanism Program

This display is not an official warning. Follow information from the responsible authorities when making local decisions.

Profile

Ruby · United States

Documented eruptions

Latest catalogue records. Historical records are incomplete; missing values are unknown. VEI describes eruption explosivity.

StartEndVEIReport status
14 Sep 202315 Sep 20231Confirmed eruption
11 Oct 199525 Oct 19951Confirmed eruption
21 Apr 196616 May 19661Confirmed eruption

Source: Smithsonian GVP · Dataset date: 2026-09-21

Nearby earthquakes

Last 7 days · 100 km · up to 10 events. Proximity does not establish a volcanic cause.

  • No recorded events in this selection.
Nearby earthquakes ↗

QuakeMap24

Volcano at a glance

Map view with the current report status and volcano elevation.

Ruby · No current eruption report · -174 m

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Saipan International AirportNorthern Mariana Islands · SPN · PGSN
    56.6 kmStraight-line distance
  • Francisco Manglona Borja / Tinian International AirportNorthern Mariana Islands · TIQ · PGWT
    67.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-21

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Nearby places

SaipanNorthern Mariana Islands · 47.8 km

Source: GeoNames · Radius: 50 km · Straight-line distance

Active volcanoes

Active volcanoes

Other volcanoes with a current eruption report.

Eruption reportedAiraJapanCaldera · 1,117 mEruption reportedDukonoIndonesiaVolcanic complex · 1,273 mEruption reportedGreat SitkinUnited StatesStratovolcano · 1,740 mEruption reportedIbuIndonesiaStratovolcano · 1,357 mEruption reportedKanlaonPhilippinesStratovolcano · 2,422 mEruption reportedKarangetangIndonesiaStratovolcano · 1,797 mEruption reportedKlyuchevskoyRussiaStratovolcano · 4,754 mEruption reportedKrakatauIndonesiaCaldera · 285 m

QuakeMap24

Sources & data dates

Core data comes from the Smithsonian Global Volcanism Program and USGS. Map layers and live aircraft are loaded from the sources identified on the page.

This display is not an official warning. Follow information from the responsible authorities when making local decisions.

VAAC / NOAA NWS

Satellite layers · Last successful retrieval: Sep 21, 2026, 1:23 PM UTC