Kamchatka and Kuril Islands Earthquakes

No M1.5+ Kamchatka and Kuril Islands earthquakes have been recorded in the past 24 hours.

Track the latest available earthquakes across Russia’s Kamchatka Peninsula, the Kuril Islands and the surrounding seas. The map and lists show earthquakes of magnitude 1.5 and above from the shared earthquake catalogue. Times are displayed in UTC, and the data refreshes when the page is loaded or refreshed.

Reading Earthquake Activity Along the Kuril–Kamchatka Arc

Each colored circle marks an earthquake epicenter. Select a circle to view its magnitude, reported location, time and depth. Use the time controls to compare activity during the last hour, 24 hours, 7 days or 30 days. A dense cluster may be an aftershock sequence, ordinary background seismicity or activity within the descending Pacific Plate; it does not by itself predict a larger earthquake.

kamchatka and kuril islands earthquakes (map loads with JavaScript)

Regional coverage note: This is a broad tectonic map rather than a political-boundary map. The regional filter can include earthquakes described by the source catalogue as Kamchatka, the Kuril or Kurile Islands, the Sea of Okhotsk, Sakhalin, the Commander Islands or nearby waters. These events do not all occur on the Kuril–Kamchatka megathrust. Earthquakes clearly identified with Japan, Hokkaido, Alaska or the Aleutian Islands are excluded where the catalogue description allows.

Why Kamchatka and the Kuril Islands Have So Many Earthquakes

Kamchatka and the Kuril Islands form a long island-arc and peninsula system along the northwestern edge of the Pacific Ocean. Offshore, the Pacific Plate moves northwest and descends beneath the overriding plate at the Kuril–Kamchatka Trench. Scientists commonly describe the overriding block here as the Okhotsk microplate, although broader plate models may place it within the North American plate system.

The plate boundary can remain locked for decades or centuries while strain accumulates. When a large section suddenly slips, it can produce a megathrust earthquake and vertically displace the seafloor, creating a tsunami. The Pacific Plate continues downward beneath the arc, so earthquakes also occur tens or hundreds of kilometres below Kamchatka and the Sea of Okhotsk. This combination of shallow plate-boundary earthquakes, events inside the descending slab, outer-rise faulting east of the trench and local crustal earthquakes creates an unusually wide range of depths and mechanisms.

Main Seismic Areas

• Kuril–Kamchatka Trench and megathrust: The principal plate boundary lies offshore on the Pacific side of Kamchatka and the Kuril chain. Its shallow thrust earthquakes have the greatest potential to become very large and generate tsunamis.
• Pacific outer rise: East of the trench, the oceanic plate bends before subduction. Normal-fault earthquakes in this zone occur within the Pacific Plate and can sometimes generate tsunamis despite being different from megathrust events.
• Wadati–Benioff zone: Earthquakes trace the descending Pacific slab beneath the island arc and into the mantle. The slab remains seismically active to exceptional depths; a scientific review of the 2006 Kuril earthquake describes activity extending to roughly 700 kilometres beneath the region.
• Northern Kamchatka and the Commander Islands: The geometry becomes more complicated where the Kuril–Kamchatka system approaches the western Aleutian arc. Earthquakes here may involve plate-boundary, transform or intraplate faulting.
• Sea of Okhotsk and Sakhalin: Deep events beneath the Sea of Okhotsk can occur within the subducted Pacific Plate, while shallow earthquakes near Sakhalin belong to different crustal fault systems. Location and depth are therefore essential when interpreting events on the western side of the map.

What Earthquake Depth Reveals

Shallow earthquakes, generally less than 70 kilometres deep, include megathrust, outer-rise and crustal events. They are most likely to produce intense local shaking because the rupture is close to the surface. Large shallow offshore earthquakes deserve particular attention because rapid seafloor movement can generate a tsunami.

Intermediate-depth earthquakes occur within the descending Pacific Plate beneath the arc. They may be felt across a wider area than a shallow earthquake of similar magnitude, but their depth usually reduces the strongest surface shaking.

Deep-focus earthquakes beneath the Sea of Okhotsk can occur hundreds of kilometres below the surface. Their seismic waves may travel enormous distances, yet deep events do not directly lift the seabed and therefore are not the usual source of tsunamis.

Earthquakes That Defined the Kuril–Kamchatka Arc

The Kuril–Kamchatka subduction zone has produced several of the largest earthquakes ever recorded. Instrumental measurements are available for the modern events, but magnitudes assigned to eighteenth- and nineteenth-century earthquakes are reconstructions based on historical accounts, tsunami observations and geological evidence.

• 2025 Kamchatka earthquake sequence — A magnitude 7.4 earthquake on July 20 preceded the magnitude 8.8 mainshock of July 29 UTC, or July 30 locally. The rupture generated a Pacific-wide tsunami and was followed by an extensive aftershock sequence, including magnitude 7.4 and 7.8 earthquakes in September. The NOAA Center for Tsunami Research documents the mainshock and resulting tsunami.
• 2013 Sea of Okhotsk earthquake — This magnitude 8.3 earthquake occurred more than 600 kilometres beneath the Sea of Okhotsk. It was felt across a vast area of Asia despite causing limited surface damage because of its exceptional depth. Research published in Communications Earth & Environment examines the unusual deep-focus rupture.
• 2006–2007 central Kuril earthquake sequence — A magnitude 8.3 megathrust earthquake struck the central Kuril Islands in November 2006. In January 2007, a magnitude 8.1 normal-faulting earthquake occurred seaward of the trench within the bending Pacific Plate. The USGS review of the earthquake sequence explains the relationship between the two ruptures.
• 1994 Shikotan earthquake — This magnitude 8.1–8.3 earthquake ruptured near Shikotan in the southern Kuril Islands. Strong shaking and a destructive local tsunami damaged communities on several islands. The NOAA Shikotan tsunami study records the event and observed wave behaviour.
• 1963 Kuril Islands earthquake — A magnitude 8.5 megathrust earthquake ruptured part of the central Kuril arc on October 13. It generated a tsunami observed throughout the Pacific, with locally recorded waves of several metres along parts of the island chain.
• 1952 Kamchatka earthquake — The magnitude 9.0 earthquake off southern Kamchatka generated a destructive tsunami that crossed the Pacific. Severe coastal flooding occurred in the northern Kuril Islands, while Hawaii also experienced substantial damage. The event remains one of the largest instrumentally recorded earthquakes and is documented in the NOAA historical account.
• 1737 and 1841 Kamchatka earthquakes — Historical descriptions and tsunami evidence indicate that both events may have reached approximately magnitude 9. The 1737 earthquake produced an especially large local tsunami along southern Kamchatka. A peer-reviewed reassessment in the Journal of Geophysical Research estimates magnitudes of about 9.2 for the 1737 event and 9.0 for the 1841 event, although both values remain uncertain.

Tsunami Risk Along the Pacific Coast

The greatest tsunami threat comes from large, shallow earthquakes beneath or close to the seafloor. Kamchatka’s eastern coast and the Pacific-facing shores of the Kuril Islands are close to the megathrust, so locally generated waves can arrive before a distant observer has time to study the earthquake in detail. The 1952, 2006 and 2025 events also show that waves from this arc can cross the Pacific and produce dangerous currents or flooding far from Russia.

Magnitude alone does not determine tsunami size. Depth, faulting style, rupture area, seafloor displacement and coastal shape all influence the result. A very deep Sea of Okhotsk earthquake may be felt over a vast area without generating a tsunami, while a shallower offshore event can require immediate coastal action.

If you are near the coast and feel strong or long-lasting shaking, move inland or to higher ground as soon as it is safe. Do not wait beside the water for confirmation, and do not return until local authorities say the danger has passed. The official Tsunami.gov safety guidance explains natural warning signs, evacuation planning and why the first wave may not be the largest.

Earthquakes and the Volcanic Arc

Subduction also feeds the volcanoes of Kamchatka and the Kuril Islands. Water and other volatile materials released from the descending plate help generate magma in the mantle above it, producing the long volcanic arc. Local volcanic earthquakes can reflect magma movement, fluid pressure or rock fracturing, but most earthquakes shown on this regional map are tectonic.

An earthquake near a volcano does not automatically mean that an eruption is imminent. Volcano specialists use several types of evidence, including local seismic patterns, ground deformation, gas measurements, thermal observations and satellite imagery. For current volcanic information, consult the Kamchatka Volcanic Eruption Response Team and the Smithsonian Global Volcanism Program’s Russia volcano catalogue rather than treating this earthquake map as an eruption forecast.

How the Region Is Monitored

Regional seismic monitoring is led by branches of the Geophysical Survey of the Russian Academy of Sciences. The GS RAS monitoring network supports earthquake, volcanic and geodynamic observations, while stations across Kamchatka, Sakhalin and the Kuril Islands contribute local data. International agencies then combine regional observations with global seismic networks to refine earthquake locations, depths and magnitudes.

Tsunamis are monitored separately with coastal gauges, deep-ocean instruments and forecast models. The Pacific Tsunami Warning and Mitigation System coordinates information among countries around the ocean, but national and local authorities issue the warnings and evacuation instructions for their own coastlines. In neighboring Japan, the Japan Meteorological Agency issues regional tsunami warnings, advisories and forecasts based on expected coastal effects.

Magnitude, Depth and Shaking Intensity

Magnitude estimates the energy released at the source and is reported as one value for the earthquake. Intensity describes the shaking experienced at a particular place, so one earthquake can produce many intensity values. Distance from the rupture, depth, local ground conditions and building characteristics all affect what people feel and how much damage occurs.

Preliminary magnitudes can change after analysts review more data, and different agencies may publish slightly different values because they use different stations or calculation methods. Learn more in the earthquake magnitude scale guide.

Earthquake and Tsunami Preparedness

• During shaking: Drop, Cover and Hold On. Stay away from windows and unsecured heavy objects.
• Near the coast: After strong or prolonged shaking, move inland or to high ground without waiting for an official alert.
• Expect aftershocks: Leave visibly damaged structures and be prepared for further shaking. Aftershocks can continue for days, months or longer after a great earthquake.
• Use official information: Follow national and local emergency authorities for warnings, evacuation routes and instructions. A map marker or automated catalogue entry is not an emergency bulletin.
• Prepare before an emergency: Review the earthquake safety guide and the earthquake preparedness checklist.

🗺️ Related Earthquake Maps

Explore the wider region: Asia Earthquakes

Nearby earthquake map Japan Earthquakes