Subscribe Latest articles
Outbackbrief Daily Report
Outbackbrief.com

Japan Earthquakes Tsunami Warning – Noto Peninsula Facts 2024

William Jack Wilson Taylor • 2026-04-12 • Reviewed by Hanna Berg

A magnitude 7.6 earthquake struck Japan’s Noto Peninsula on January 1, 2024, triggering the first major tsunami warning issued in Japan since the devastating 2011 Tohoku disaster. The tremor, centered in Ishikawa Prefecture, caused widespread damage across multiple communities and prompted evacuations along the country’s western coastline. This incident marked the strongest earthquake to hit Ishikawa Prefecture since 1885 and the most powerful to strike mainland Japan in over a decade.

The Japan Meteorological Agency recorded the earthquake at magnitude 7.6, while the United States Geological Survey measured it at M 7.5. The quake occurred at shallow depth as a result of reverse faulting in the Earth’s crust, with shaking lasting approximately 50 seconds. Initial tsunami warnings predicted waves up to 5 meters along Japan’s western coast, though actual waves observed were significantly smaller. This article provides comprehensive coverage of the earthquake, tsunami warnings, impacts, and ongoing recovery efforts.

Is There a Tsunami Warning in Japan Right Now?

The earthquake triggered the first major tsunami warning in Japan since 2011, with the Japan Meteorological Agency issuing alerts for the country’s western coastline. Initial warnings suggested waves up to 5 meters were possible, prompting widespread evacuations. However, the tsunami warning was subsequently downgraded as actual wave heights proved much smaller than predicted.

Magnitude
7.6 Mw (JMA) / 7.5 (USGS)
Location
Noto Peninsula, Ishikawa Prefecture
Tsunami
Waves up to 5m predicted, ~1m observed
Date
January 1, 2024, 4:10 PM JST
  • First major tsunami warning issued in Japan since the 2011 Tohoku disaster
  • Warnings were downgraded as actual waves measured approximately 1 meter in Ishikawa
  • Only two deaths were connected directly to the tsunamis
  • At least 296 acres (120 hectares) of land flooded according to Japan’s land ministry
  • Thousands of coastal residents were evacuated following the warnings
  • Improved hazard awareness in Japan contributed to lower casualty figures
Fact Detail
Event Time January 1, 2024, 4:10 PM Japan Standard Time (07:10 UTC)
Depth Very shallow (reverse faulting in Earth’s crust)
Epicenter Areas Suzu, Noto, Wajima, and Anamizu towns
Total Casualties 228 direct fatalities, 261 related deaths (as of Dec 24, 2024)
Injuries Nearly 600 people injured
Homes Damaged Nearly 84,000 homes reported damaged
Economic Impact $7.4–$17.6 billion (¥1.1–2.6 trillion)
Maximum Tsunami Predicted 5m, observed ~1m in Ishikawa

How Strong Was the Recent Japan Earthquake and Where Did It Strike?

The January 1, 2024 earthquake registered magnitude 7.6 on the Japan Meteorological Agency scale and magnitude 7.5 according to USGS measurements. The tremor struck at 4:10 PM Japan Standard Time, originating at very shallow depth beneath the Noto Peninsula in Ishikawa Prefecture. This made it the strongest earthquake to hit Ishikawa Prefecture since records began in 1885 and the most powerful to strike mainland Japan since the catastrophic 2011 Tohoku earthquake. Shaking from the quake lasted approximately 50 seconds and was most intense in the towns of Suzu, Noto, Wajima, and Anamizu, which sit closest to the epicenter.

Geological Characteristics and Fault Activity

The earthquake resulted from shallow reverse faulting in the Earth’s crust, a type of tectonic activity common in regions where compression forces build up between adjacent rock plates. Scientists from NASA and other research institutions analyzed satellite data to understand the geological changes caused by the tremor. The Noto Peninsula had been experiencing an ongoing seismic swarm since late 2020, with earthquake activity occurring at approximately 10 times the average regional rate.

Geological Impact

The earthquake caused dramatic geological uplift along the coastline, extending land area by up to 250 meters in some locations. Satellite imagery and aerial photographs revealed that approximately 4.4 square kilometers of land was newly exposed along the Noto Peninsula’s coasts, with certain areas rising as much as 4 meters. Some ports were left completely dry as a result of these permanent landscape changes.

Aftershock Activity

A series of earthquakes exceeding magnitude 4 occurred in the hours immediately following the mainshock, according to the Japan Meteorological Agency. Hundreds of aftershocks were recorded during the week after the initial tremor. Six months later, on June 3, 2024, multiple quakes ranging from magnitude 4.8 to 6.0 struck the Noto region. Seismologists confirmed these subsequent events were directly linked to the January earthquake sequence, demonstrating the prolonged aftershock activity typical of major seismic events.

What Are the Impacts and Casualties from the Japan Earthquake?

The earthquake caused extensive damage across the Noto Peninsula, with at least 30 buildings collapsing immediately in Ishikawa Prefecture. A large fire burned through Wajima city, home to approximately 13,000 households and located in the worst-affected area. Damage to infrastructure ignited fires that spread through multiple communities, compounding the destruction caused by the initial tremor. Debris from collapsed buildings and other disaster waste was estimated at 2.44 million tons.

Casualty Figures

As of August 21, 2024, 281 direct and indirect deaths had been confirmed in connection with the earthquake. One year after the disaster, the death toll stood at 228 direct fatalities with an additional 261 related deaths attributed to the physical and mental toll of evacuation and post-evacuation life in shelters. Nearly 600 people sustained injuries. A government panel determined that at least 30 deaths resulted from conditions indirectly related to the earthquake, with 40% attributed to emotional shock and fear of aftershocks, 29% to harsh living conditions at evacuation centers, and 16% to delayed primary care due to suspended medical institutions. Several deaths were also caused by hypothermia due to harsh winter conditions that followed the quake.

Cascading Hazards

Beyond the primary earthquake, nearly 1,000 landslides were recorded in the first month following the disaster, affecting fewer than 100 buildings but blocking roads and rivers while isolating villages. Heavy snowfall after the quake complicated emergency response efforts and made it difficult for aid to reach certain communities. The June 3, 2024 earthquake destroyed five additional homes that had been damaged in the January 1 event.

Infrastructure and Housing Damage

Nearly 84,000 homes were reported damaged across the affected region. Thousands of people were evacuated from coastal areas following the tsunami warning. Prime Minister Fumio Kishida highlighted that rescuers faced significant challenges due to damaged and blocked roads on the Noto Peninsula, making access to the worst-affected areas extremely difficult. The recovery operation was further complicated by winter weather conditions that included heavy snowfalls.

Is It Safe to Travel to Japan After the Earthquake and Tsunami Warning?

The Noto Peninsula and surrounding areas in Ishikawa Prefecture experienced the most significant impacts from the January 1 earthquake. The tsunami warning that was issued for Japan’s western coastline has since been downgraded and lifted. Travelers planning visits to Japan should verify current conditions with official sources before departing, particularly if their destinations include areas along the Sea of Japan coast.

Major urban centers including Tokyo, Osaka, and Nagoya were not significantly affected by the earthquake and continue to operate normally. These cities, along with popular tourist destinations throughout most of Japan, remain accessible and safe for visitors. The transportation network in unaffected regions functions as usual, with minimal disruption to rail, air, and ferry services.

For those with upcoming travel plans, the NHK World News service provides regular updates on conditions across Japan. Visitors should also consider registering with their embassy’s travel notification systems and downloading reliable disaster notification applications available in Japan.

What Do Official Sources Say About the Japan Earthquake Updates?

Several authoritative sources provide ongoing information about the earthquake and recovery efforts. The Japan Meteorological Agency issues official seismic and tsunami information, while the United States Geological Survey provides technical data on earthquake characteristics. Local coverage from NHK World offers regular updates in multiple languages.

Official Response and Recovery

In May 2024, the Ishikawa Prefectural Government released a nine-year reconstruction plan extending through fiscal year 2032. Recovery measures included construction of 6,800 temporary housing units, with plans to demolish 22,500 damaged homes by October 2025. The government has also implemented digital technology innovations, including transit cards designed to track affected individuals and reduce the burden of repeatedly sharing basic information with multiple agencies.

Prime Minister Fumio Kishida highlighted that rescuers faced significant challenges due to damaged and blocked roads on the Noto Peninsula, making access to the worst-affected areas extremely difficult.

— Government of Japan official statement

Staying Informed

For the most current information on the Noto Peninsula recovery and any remaining travel advisories, consult the Japan Meteorological Agency’s official earthquake reports and the Ishikawa Prefectural Government’s disaster information pages. These sources provide regular updates on reconstruction progress and any residual safety concerns.

Timeline of the Japan Earthquake and Tsunami Warning

The following chronological sequence outlines the major events from the earthquake through the immediate aftermath and subsequent recovery period.

  1. January 1, 2024, 4:10 PM JST: The magnitude 7.6 earthquake strikes the Noto Peninsula. Tsunami warnings are immediately issued for Japan’s western coastline.
  2. January 1, 2024, early evening: Tsunami waves of approximately 1 meter are observed in Ishikawa. The warning is downgraded from major status.
  3. January 1–7, 2024: Hundreds of aftershocks are recorded. Nearly 1,000 landslides occur within the first month.
  4. January 2024: Thousands of coastal residents remain evacuated. Heavy snowfall complicates rescue and relief efforts.
  5. June 3, 2024: Multiple earthquakes ranging from M4.8 to M6.0 strike the Noto region. Experts confirm these are linked to the January 1 event.
  6. May 2024: The Ishikawa Prefectural Government releases its nine-year reconstruction plan through fiscal year 2032.
  7. August 21, 2024: Death toll reaches 281 confirmed direct and indirect fatalities.
  8. December 24, 2024: One year after the disaster, 228 direct fatalities and 261 related deaths are recorded.

What Information Is Established Versus Unclear

Established Information Information Requiring Verification
Earthquake magnitude: 7.6 (JMA) / 7.5 (USGS) Precise fault line identification continues under study
Tsunami waves observed: approximately 1 meter Full extent of geological uplift changes still being mapped
Direct fatalities: 228 (confirmed) Long-term health impacts on evacuees still being assessed
Homes damaged: nearly 84,000 Future aftershock probability models under refinement
Economic impact: $7.4–$17.6 billion Population return rates in affected communities still uncertain
Coastline extended by up to 250 meters Complete environmental impact assessments ongoing

Historical Context of the Noto Peninsula Earthquake

The January 1, 2024 earthquake represented the strongest seismic event to strike Ishikawa Prefecture since systematic record-keeping began in 1885. The tremor also marked the most powerful earthquake to affect mainland Japan since the 2011 Tohoku disaster, which caused catastrophic damage including the Fukushima nuclear plant meltdown. The Noto Peninsula had experienced increasing seismic activity beginning in late 2020, with researchers documenting an earthquake rate approximately 10 times higher than typical regional levels.

Japan’s infrastructure and emergency response systems have been significantly upgraded since the 2011 disaster, with improved tsunami warning protocols and public awareness campaigns. The relatively low number of direct tsunami-related deaths—only two—reflects the effectiveness of these improvements. The country’s building codes and seismic retrofitting programs have also evolved considerably over the past decade, though the age of some structures in rural areas like the Noto Peninsula remains a factor in damage assessments.

Official Sources and Expert Statements

The earthquake triggered the first major tsunami warning since 2011. Initial warnings suggesting waves up to 5 meters were possible along Japan’s western coastline were subsequently downgraded as actual wave heights proved significantly smaller.

— Artemis Insurance Report

Aerial photographs and satellite data indicated the quake exposed a total of 4.4 square kilometers of land along the Noto Peninsula’s coasts, with some parts rising up to 4 meters and shifting coastline positions.

— NASA Earth Observatory

As of December 24, 2024, there were 228 direct fatalities and 261 related deaths caused by the physical and mental toll of evacuation and post-evacuation life in shelters.

— Nippon.com

Summary and Key Takeaways

The magnitude 7.6 earthquake that struck Japan’s Noto Peninsula on January 1, 2024, caused 228 direct fatalities and 261 additional related deaths, with nearly 600 people injured. The triggered tsunami warning—the first major warning issued since 2011—resulted in only two deaths as actual waves reached approximately 1 meter, far below predicted levels. Nearly 84,000 homes were damaged, and debris accumulated to an estimated 2.44 million tons. The earthquake permanently altered the landscape, extending the coastline by up to 250 meters in some areas. Recovery efforts continue under a nine-year reconstruction plan that extends through fiscal year 2032.

The disaster’s $7.4–$17.6 billion economic impact ranks it as the only non-US catastrophic disaster to exceed $1 billion in the first quarter of 2024. For comprehensive updates on Japan’s seismic activity, consulting the Japan Meteorological Agency provides the most reliable information. Those interested in Japanese hotel options in the aftermath of this event may find the Park Hotel Tokyo – Location Rooms Rates Reviews 2025 guide useful for planning future visits to the capital region, which remained unaffected by the earthquake.

Frequently Asked Questions

What caused the tsunami warning in Japan?

The tsunami warning was triggered by the magnitude 7.6 earthquake on January 1, 2024. The earthquake’s shallow depth and location beneath the Noto Peninsula generated concerns about tsunami waves propagating along Japan’s western coastline. The warning was issued as a precautionary measure and subsequently downgraded when observed waves proved much smaller than predicted.

How many aftershocks occurred after the Japan earthquake?

Hundreds of aftershocks were recorded in the week following the mainshock. A series of earthquakes exceeding magnitude 4 occurred in the hours immediately after the initial tremor. Six months later, on June 3, 2024, additional quakes ranging from magnitude 4.8 to 6.0 struck the region, all confirmed by experts to be linked to the January 1 event.

What are the official sources for Japan earthquake updates?

The Japan Meteorological Agency provides official seismic and tsunami information. The United States Geological Survey offers technical earthquake data. NHK World News delivers regular updates in multiple languages. The Ishikawa Prefectural Government publishes disaster recovery information for the affected region.

How long did the earthquake shaking last?

Shaking from the magnitude 7.6 earthquake lasted approximately 50 seconds. The intensity was greatest in the towns of Suzu, Noto, Wajima, and Anamizu, which sit closest to the epicenter on the Noto Peninsula.

What was the economic cost of the earthquake?

The estimated cost of the earthquake ranges between $7.4 billion (¥1.1 trillion) and $17.6 billion (¥2.6 trillion). It was the only non-US catastrophic disaster to exceed $1 billion in the first quarter of 2024.

How many homes were damaged or destroyed?

Nearly 84,000 homes were reported damaged. At least 30 buildings collapsed immediately after the earthquake. Plans exist to demolish 22,500 homes by October 2025. The June 2024 earthquake destroyed five additional homes that had been damaged in the January event.

What geological changes occurred from the earthquake?

The earthquake caused dramatic geological uplift, extending the coastline by up to 250 meters in some locations. Approximately 4.4 square kilometers of land became newly exposed along the Noto Peninsula’s coasts, with certain areas rising as much as 4 meters. Some ports were left dry due to these permanent landscape changes.

William Jack Wilson Taylor

About the author

William Jack Wilson Taylor

Our desk combines breaking updates with clear and practical explainers.