Discover the forces that shape our planet. Interactive maps, real-time earthquake data, and comprehensive information about tectonic plates, seismic zones, and volcanic activity from every corner of the globe.
The theory that explains how Earth's outer shell is divided into massive plates that continuously move, creating earthquakes, volcanoes, and mountain ranges.
Plates move apart, creating new crust as magma rises from below. This process forms mid-ocean ridges and rift valleys.
Plates collide, with one often diving beneath the other (subduction). Creates mountain ranges, trenches, and volcanic arcs.
Plates slide horizontally past each other. Creates major fault lines with powerful earthquakes but no volcanic activity.
| Plate Name | Type | Area (km²) | Movement | Countries & Regions | Risk Level |
|---|---|---|---|---|---|
| Pacific Plate | Oceanic | 103,300,000 | 7-11 cm/yr NW | Hawaii (USA), parts of California, Japan (eastern), Philippines, Indonesia, New Zealand, Pacific Islands (Fiji, Tonga, Samoa, Vanuatu, Solomon Islands) | Extreme |
| North American Plate | Continental | 75,900,000 | 2-3 cm/yr W | USA, Canada, Mexico, Greenland, Cuba, Bahamas, Jamaica, Haiti, Dominican Republic, Iceland (western half), Guatemala, Belize, Honduras | Moderate |
| Eurasian Plate | Continental | 67,800,000 | 0.7-2 cm/yr E | Russia, China, Japan (western), Most of Europe (UK, France, Germany, Spain, Italy, Poland, etc.), India (northern), Southeast Asia, Middle East (partial), Mongolia, Korea | High |
| African Plate | Continental | 61,300,000 | 2-3 cm/yr NE | All 54 African countries, Madagascar, Mediterranean islands (Sicily, Sardinia, Malta), portions of Middle East (Saudi Arabia partial, Yemen partial) | Moderate |
| Antarctic Plate | Continental | 60,900,000 | 1-2 cm/yr various | Antarctica (all research stations: McMurdo (USA), Vostok (Russia), Mawson (Australia), Halley (UK)), surrounding Southern Ocean | Low |
| Indo-Australian Plate | Mixed | 58,900,000 | 6-7 cm/yr N | Australia, India, Pakistan, Bangladesh, Nepal, Bhutan, Sri Lanka, Maldives, New Zealand (partial), Myanmar (partial), Indian Ocean islands (Mauritius, Seychelles, Reunion) | High |
| South American Plate | Continental | 43,600,000 | 3-4 cm/yr W | Brazil, Argentina, Chile, Peru, Colombia, Venezuela, Ecuador, Bolivia, Paraguay, Uruguay, Guyana, Suriname, French Guiana, Falkland Islands (UK) | High |
| Philippine Sea Plate | Oceanic | 5,500,000 | 6-8 cm/yr NW | Philippines, Taiwan, Japan (partial - Ryukyu Islands), Mariana Islands, Palau, Guam (USA) | Extreme |
| Arabian Plate | Continental | 5,000,000 | 2-3 cm/yr NE | Saudi Arabia, Yemen, Oman, UAE, Qatar, Bahrain, Kuwait, Jordan, Iraq (partial), Syria (partial), Israel (partial), Lebanon | Moderate |
| Caribbean Plate | Oceanic | 3,300,000 | 2 cm/yr E | Caribbean islands (Puerto Rico, Jamaica, Cuba partial, Trinidad, Barbados, Martinique, Guadalupe, Antigua, St. Lucia, Dominica), Central America (Costa Rica, Panama, Nicaragua partial, Honduras partial) | High |
| Nazca Plate | Oceanic | 15,600,000 | 4-7 cm/yr E | Oceanic (subducting under South America - affects Peru, Chile, Ecuador, Colombia coastal regions) | Extreme |
| Cocos Plate | Oceanic | 2,900,000 | 7-9 cm/yr NE | Oceanic (subducting under Central America - affects Mexico, Guatemala, El Salvador, Nicaragua, Costa Rica) | High |
| Juan de Fuca Plate | Oceanic | 250,000 | 4-5 cm/yr E | Oceanic (subducting under North America - affects Pacific Northwest: Washington, Oregon (USA), British Columbia (Canada)) | High |
| Scotia Plate | Oceanic | 1,600,000 | 2 cm/yr W | South Georgia Island, South Sandwich Islands, Drake Passage (UK territories, Argentina claims) | Moderate |
| Indian Plate | Continental | 11,900,000 | 5 cm/yr N | India, Pakistan (partial), Bangladesh (partial), Nepal, Bhutan, Sri Lanka (currently merging with Australian Plate) | High |
Understanding the sudden release of energy in Earth's crust that creates seismic waves
Earthquakes occur when stress accumulated along fault lines exceeds the strength of rocks, causing sudden movement and release of energy as seismic waves. The point of rupture inside Earth is called the focus (hypocenter), while the point directly above on the surface is the epicenter.
| Magnitude | Classification | Effects | Annual Frequency | Examples |
|---|---|---|---|---|
| < 2.0 | Micro | Not felt, recorded by instruments only | ~8,000,000 | Constant worldwide activity |
| 2.0 - 2.9 | Minor | Rarely felt by people | ~1,000,000 | Daily occurrences globally |
| 3.0 - 3.9 | Minor | Felt indoors, vibration like passing truck | ~49,000 | Multiple daily worldwide |
| 4.0 - 4.9 | Light | Noticeable shaking, items rattle | ~6,200 | California, Japan - frequent |
| 5.0 - 5.9 | Moderate | Damage to weak buildings, felt widely | ~800 | Iran, Turkey, Greece - regular |
| 6.0 - 6.9 | Strong | Damage in populated areas up to 160km | ~120 | 2023 Turkey (7.8), 2019 Albania (6.4) |
| 7.0 - 7.9 | Major | Serious damage over large areas | ~18 | 2015 Nepal (7.8), 2010 Haiti (7.0) |
| 8.0 - 8.9 | Great | Severe damage hundreds of km from epicenter | ~1 | 2008 Sichuan, China (8.0), 2017 Mexico (8.2) |
| 9.0+ | Mega | Devastating over thousands of km, triggers tsunamis | 1 per 10-50 years | 2011 Japan (9.1), 2004 Sumatra (9.1-9.3) |
| Rank | Date | Location | Country | Magnitude | Deaths | Notable Impact |
|---|---|---|---|---|---|---|
| 1 | May 22, 1960 | Valdivia | Chile | 9.5 Mw | 1,000-6,000 | Largest recorded earthquake; tsunami reached Japan, Philippines, Hawaii |
| 2 | Mar 27, 1964 | Prince William Sound | Alaska, USA | 9.2 Mw | 139 | Largest in North America; ground fissures, tsunamis to California |
| 3 | Dec 26, 2004 | Sumatra | Indonesia | 9.1-9.3 Mw | 227,898 | Deadliest tsunami; affected 14 countries across Indian Ocean |
| 4 | Mar 11, 2011 | Tōhoku | Japan | 9.1 Mw | 15,899 | Fukushima nuclear disaster; tsunami waves up to 40m |
| 5 | Nov 4, 1952 | Kamchatka | Russia | 9.0 Mw | 0 | Remote location; Pacific-wide tsunami |
| 6 | Feb 27, 2010 | Maule | Chile | 8.8 Mw | 525 | Shifted Earth's axis; shortened day by 1.26 microseconds |
| 7 | Jan 31, 1906 | Ecuador-Colombia Coast | Ecuador/Colombia | 8.8 Mw | 500-1,500 | Tsunami reached Japan and Central America |
| 8 | Feb 4, 1965 | Rat Islands | Alaska, USA | 8.7 Mw | 0 | Remote Aleutian Islands; 10m tsunami at Shemya Island |
| 9 | Mar 28, 2005 | Sumatra | Indonesia | 8.6 Mw | 1,313 | Aftershock of 2004 earthquake |
| 10 | Aug 15, 1950 | Assam-Tibet | India/China | 8.6 Mw | 1,526 | Massive landslides; felt across South Asia |
Geographic regions classified by earthquake risk based on historical activity and tectonic setting
A 40,000 km horseshoe-shaped zone encircling the Pacific Ocean where approximately 90% of the world's earthquakes and 75% of active volcanoes occur. Over 500 million people live in this high-risk zone.
| Country | Continent | Tectonic Setting | Major Cities at Risk | Last Major Earthquake (7.0+) | Population at Risk |
|---|---|---|---|---|---|
| 🇯🇵 Japan | Asia | Pacific-Philippine-Eurasian junction; 4 plates meet | Tokyo (37M), Osaka (19M), Nagoya, Kobe, Fukushima, Sendai, Sapporo | 2011 Tōhoku (9.1 Mw) - 15,899 deaths | 126 million |
| 🇮🇩 Indonesia | Asia | Pacific-Indo-Australian-Eurasian junction; most complex zone | Jakarta (34M), Surabaya, Bandung, Medan, Padang, Banda Aceh, Palu | 2018 Sulawesi (7.5 Mw) - 4,340 deaths | 273 million |
| 🇵🇭 Philippines | Asia | Philippine Sea-Eurasian boundary; Philippine Fault Zone | Manila (13M), Davao, Cebu, Mindanao region, Zamboanga | 2023 Mindanao (7.6 Mw) | 110 million |
| 🇨🇱 Chile | South America | Nazca-South American subduction; most active subduction | Santiago (7M), Valparaíso, Concepción, Antofagasta, Talca | 2010 Maule (8.8 Mw) - 525 deaths | 19 million |
| 🇵🇪 Peru | South America | Nazca-South American subduction | Lima (10M), Arequipa, Cusco, Trujillo, Chiclayo | 2019 Loreto (8.0 Mw) | 33 million |
| 🇲🇽 Mexico | North America | Cocos-North American-Pacific triple junction | Mexico City (21M), Guadalajara, Monterrey, Oaxaca, Acapulco | 2017 Chiapas (8.2 Mw) - 98 deaths | 130 million |
| 🇮🇷 Iran | Middle East | Arabian-Eurasian collision zone; complex fault systems | Tehran (15M), Tabriz, Mashhad, Isfahan, Shiraz, Bam | 2017 Iraq-Iran border (7.3 Mw) - 630 deaths | 85 million |
| 🇹🇷 Turkey | Europe/Asia | Arabian-Eurasian-African triple junction; North/East Anatolian Faults | Istanbul (15M), Ankara, İzmir, Gaziantep, Adana, Bursa | 2023 Kahramanmaraş (7.8 Mw) - 50,000+ deaths | 85 million |
| 🇳🇵 Nepal | Asia | Indo-Australian-Eurasian collision; Himalayan thrust | Kathmandu (3M), Pokhara, Lalitpur, Bhaktapur | 2015 Gorkha (7.8 Mw) - 8,964 deaths | 30 million |
| 🇵🇬 Papua New Guinea | Oceania | Pacific-Indo-Australian boundary; complex plate interactions | Port Moresby, Lae, Mount Hagen, Madang | 2018 Highlands (7.5 Mw) - 160 deaths | 9 million |
These regions are located on stable continental cratons, far from plate boundaries.
Earth's volcanoes release pressure from the planet's interior, shaping landscapes and affecting climate
| Rank | Country | Active Volcanoes | Notable Volcanoes | Recent Major Eruptions |
|---|---|---|---|---|
| 1 | 🇺🇸 USA | 173 | Yellowstone, Mt. St. Helens, Kilauea, Mauna Loa, Mt. Rainier, Mt. Shasta | Kilauea (2023), Mauna Loa (2022), Mt. St. Helens (1980) |
| 2 | 🇮🇩 Indonesia | 127 | Krakatoa, Merapi, Tambora, Agung, Sinabung, Semeru, Bromo | Semeru (2023), Merapi (2023), Anak Krakatau (2022) |
| 3 | 🇷🇺 Russia | 117 | Klyuchevskaya, Shiveluch, Bezymianny, Karymsky (all Kamchatka) | Shiveluch (2023), Klyuchevskaya (2023) |
| 4 | 🇯🇵 Japan | 112 | Mt. Fuji, Sakurajima, Mt. Aso, Mt. Unzen, Ontake | Sakurajima (ongoing), Mt. Aso (2021) |
| 5 | 🇨🇱 Chile | 90 | Villarrica, Calbuco, Chaitén, Llaima, Osorno | Villarrica (2023), Calbuco (2015) |
| 6 | 🇪🇹 Ethiopia | 57 | Erta Ale, Dallol, Fantale | Erta Ale (ongoing lava lake) |
| 7 | 🇵🇬 Papua New Guinea | 53 | Manam, Ulawun, Rabaul, Tavurvur | Manam (2023), Ulawun (2019) |
| 8 | 🇵🇭 Philippines | 53 | Pinatubo, Taal, Mayon, Bulusan | Mayon (2023), Taal (2020) |
| 9 | 🇲🇽 Mexico | 42 | Popocatépetl, Colima, Parícutin, El Chichón | Popocatépetl (ongoing - continuous activity) |
| 10 | 🇮🇸 Iceland | 33 | Eyjafjallajökull, Katla, Hekla, Fagradalsfjall, Grímsvötn | Fagradalsfjall (2023, 2022, 2021), Eyjafjallajökull (2010) |
| 11 | 🇪🇨 Ecuador | 31 | Cotopaxi, Tungurahua, Sangay, Reventador | Sangay (ongoing), Cotopaxi (2022) |
| 12 | 🇮🇹 Italy | 14 | Vesuvius, Etna, Stromboli, Vulcano, Campi Flegrei | Etna (ongoing), Stromboli (ongoing) |
| 13 | 🇳🇿 New Zealand | 12 | Ruapehu, Tongariro, White Island, Taranaki | White Island (2019 - 22 deaths) |
| 14 | 🇨🇷 Costa Rica | 11 | Arenal, Poás, Irazú, Turrialba, Rincón de la Vieja | Turrialba (2017), Rincón de la Vieja (2021) |
| 15 | 🇨🇴 Colombia | 11 | Nevado del Ruiz, Galeras, Puracé | Nevado del Ruiz (2023 warnings), 1985 eruption killed 23,000 |
Essential knowledge to protect yourself and your family before, during, and after an earthquake