| Country | Indonesia |
| Volcanic Region | Halmahera Volcanic Arc |
| Landform | Volc Type | Composite | Caldera(s) |
| Last Known Eruption | Unknown - Evidence Credible |
| Coordinates | 1.2389°N, 127.4556°E |
| Elevation | 979 m (3,212 ft) |
| Volcano Number | 268050 |
 Google Earth Placemark with Features
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 Cite Volcano Profile
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The Global Volcanism Program has no Weekly Volcanic Activity Reports available for Todoko-Ranu.
The Global Volcanism Program has no Bulletin Reports available for Todoko-Ranu.
The Global Volcanism Program has no Weekly Reports available for Todoko-Ranu.
The Global Volcanism Program has no Bulletin Reports available for Todoko-Ranu.
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The Global Volcanism Program is not aware of any Holocene eruptions from Todoko-Ranu. If this volcano has had large eruptions (VEI >= 4) prior to 12,000 years ago, information might be found on the Todoko-Ranu page in the LaMEVE (Large Magnitude Explosive Volcanic Eruptions) database, a part of the Volcano Global Risk Identification and Analysis Project (VOGRIPA).
This compilation of synonyms and subsidiary features may not be comprehensive. Features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. Synonyms of features appear indented below the primary name. In some cases additional feature type, elevation, or location details are provided.
Synonyms |
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| Todako | Telagaranu | Tokuoko | Todoke | Todoekoe | ||||
Cones |
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| Feature Name | Feature Type | Elevation | Latitude | Longitude |
| Alon, Mount | Cone | 840 m | 1° 18' 49.00" N | 127° 30' 8.00" E |
| Honor, Mount | Cone | 543 m | ||
| Onu | Cone | 1109 m | 1° 16' 25.00" N | 127° 27' 19.00" E |
| Pora, Mount | Cone | 582 m | ||
| Sahu | Cone | 1224 m | 1° 11' 53.00" N | 127° 26' 24.00" E |
Craters |
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| Feature Name | Feature Type | Elevation | Latitude | Longitude |
| Ranu | Caldera | 530 m | 1° 15' 16.00" N | 127° 28' 57.00" E |
| Todoko | Caldera | 1085 m | 1° 13' 25.00" N | 127° 27' 22.00" E |
Three Halmahera Island volcanoes are visible in this view from the SW at the summit of Gamalama volcano on Ternate Island. The twin caldera complex of Todoku-Ranu is on the left, the historically active volcano of Gamkonora is on the skyline at the right center, and Jailolo volcano rises above the clouds at the lower right. These volcanoes are part of a N-S chain extending along the western coast of northern Halmahera Island.
The twin caldera complex of Todoko-Ranu appears in this NASA Landsat image of western Halmahera Island (with north to the top). Todoko caldera (the circular feature just left of center) lies SW of nested calderas at Ranu, the northern of which contains a lake, faintly visible above the clouds above and to the right of the center of the image. No historical eruptions have been reported from the complex, but fumaroles and hot springs are present, and youthful-looking lava flows have reached the sea.
Todoko-Ranu in West Halmahera Island has two calderas visible in this 12 December 2019 Sentinel-2 image (N is at the top), the Ranu caldera to the north with a lake along the eastern wall, and Todoko caldera to the SW. Todoko is approximately 2 km wide.There are no samples for Todoko-Ranu in the Smithsonian's NMNH Department of Mineral Sciences Rock and Ore collection.
| Copernicus Browser | The Copernicus Browser replaced the Sentinel Hub Playground browser in 2023, to provide access to Earth observation archives from the Copernicus Data Space Ecosystem, the main distribution platform for data from the EU Copernicus missions. |
| MIROVA | Middle InfraRed Observation of Volcanic Activity (MIROVA) is a near real time volcanic hot-spot detection system based on the analysis of MODIS (Moderate Resolution Imaging Spectroradiometer) data. In particular, MIROVA uses the Middle InfraRed Radiation (MIR), measured over target volcanoes, in order to detect, locate and measure the heat radiation sourced from volcanic activity. |
| MODVOLC Thermal Alerts | Using infrared satellite Moderate Resolution Imaging Spectroradiometer (MODIS) data, scientists at the Hawai'i Institute of Geophysics and Planetology, University of Hawai'i, developed an automated system called MODVOLC to map thermal hot-spots in near real time. For each MODIS image, the algorithm automatically scans each 1 km pixel within it to check for high-temperature hot-spots. When one is found the date, time, location, and intensity are recorded. MODIS looks at every square km of the Earth every 48 hours, once during the day and once during the night, and the presence of two MODIS sensors in space allows at least four hot-spot observations every two days. Each day updated global maps are compiled to display the locations of all hot spots detected in the previous 24 hours. There is a drop-down list with volcano names which allow users to 'zoom-in' and examine the distribution of hot-spots at a variety of spatial scales. |
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WOVOdat
Single Volcano View Temporal Evolution of Unrest Side by Side Volcanoes |
WOVOdat is a database of volcanic unrest; instrumentally and visually recorded changes in seismicity, ground deformation, gas emission, and other parameters from their normal baselines. It is sponsored by the World Organization of Volcano Observatories (WOVO) and presently hosted at the Earth Observatory of Singapore.
GVMID Data on Volcano Monitoring Infrastructure The Global Volcano Monitoring Infrastructure Database GVMID, is aimed at documenting and improving capabilities of volcano monitoring from the ground and space. GVMID should provide a snapshot and baseline view of the techniques and instrumentation that are in place at various volcanoes, which can be use by volcano observatories as reference to setup new monitoring system or improving networks at a specific volcano. These data will allow identification of what monitoring gaps exist, which can be then targeted by remote sensing infrastructure and future instrument deployments. |
| Volcanic Hazard Maps | The IAVCEI Commission on Volcanic Hazards and Risk has a Volcanic Hazard Maps database designed to serve as a resource for hazard mappers (or other interested parties) to explore how common issues in hazard map development have been addressed at different volcanoes, in different countries, for different hazards, and for different intended audiences. In addition to the comprehensive, searchable Volcanic Hazard Maps Database, this website contains information about diversity of volcanic hazard maps, illustrated using examples from the database. This site is for educational purposes related to volcanic hazard maps. Hazard maps found on this website should not be used for emergency purposes. For the most recent, official hazard map for a particular volcano, please seek out the proper institutional authorities on the matter. |
| EarthScope Consortium SAGE seismic stations/networks | EarthScope Consortium operates the NSF Geodetic Facility for the Advancement of Geoscience (GAGE) and NSF Seismological Facility for the Advancement of Geoscience (SAGE). The linked map shows the location of seismic stations from all available networks (permanent or temporary) within a radius of 0.18° (about 20 km at mid-latitudes) from the given location of Todoko-Ranu. Users can customize a variety of filters and options in the left panel. Note that if there are no stations are known the map will default to show the entire world with a "No data matched request" error notice. |
| Large Eruptions of Todoko-Ranu | Information about large Quaternary eruptions (VEI >= 4) is cataloged in the Large Magnitude Explosive Volcanic Eruptions (LaMEVE) database of the Volcano Global Risk Identification and Analysis Project (VOGRIPA). |
| EarthChem | EarthChem develops and maintains databases, software, and services that support the preservation, discovery, access and analysis of geochemical data, and facilitate their integration with the broad array of other available earth science parameters. EarthChem is operated by a joint team of disciplinary scientists, data scientists, data managers and information technology developers who are part of the NSF-funded data facility Integrated Earth Data Applications (IEDA). IEDA is a collaborative effort of EarthChem and the Marine Geoscience Data System (MGDS). |
