🗺 Interactive World Seismicity Map — Live (USGS M4+)
Faults / Subduction Zones
Historical Megaquakes
Selected Location
USGS Live (M4+)
Tsunami Risk Coast (high)
Tsunami Risk Coast (medium)
📡 Live Seismicity — USGS (M4+)
📈 Activity Trend (72h, 6h blocks)
📊 Probability Analysis — 30 Years
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Source:
USGS PSHA & national seismic agencies
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📜 Historical Megaquakes — worldwide
1755
Lisbon Earthquake
Portugal · Atlantic Tsunami to Caribbean · ~60,000 deaths
M8.5
1906
San Francisco
USA · San Andreas Fault · Fire · ~3,000 deaths
M7.9
1960
Valdivia Earthquake
Chile · Strongest earthquake ever recorded · Tsunami to Japan · ~6,000 deaths
M9.5
1964
Alaska Good Friday
USA · Aleutian Subduction · Pacific Tsunami · 143 deaths
M9.2
1976
Tangshan
China · Intraplate earthquake · ~242,000 deaths
M7.5
1999
İzmit Earthquake
Turkey · North Anatolian Fault · 17,000 deaths
M7.6
2004
Sumatra Tsunami
Indonesia · Sunda Subduction · 228,000 deaths
M9.1
2008
Sichuan Earthquake
China · Longmenshan Fault · 87,000 deaths
M7.9
2010
Haiti Earthquake
Haiti · Enriquillo Fault · ~316,000 deaths
M7.0
2011
Tōhoku Earthquake
Japan · Japan Trench · Fukushima · 20,000 deaths
M9.1
2015
Gorkha Earthquake
Nepal · Himalayan Thrust · ~9,000 deaths
M7.8
2023
Kahramanmaraş
Turkey/Syria · East Anatolian Fault · 57,000 deaths
M7.8
🌍 EMSC — Europe & Mediterranean Live
Source: EMSC (European-Mediterranean Seismological Centre) · M3.0+ · 48h
🌊 Tsunami Risk — Select city
Global Warning Centers
Pacific Tsunami Warning CenterNOAA / PTWS
Indian Ocean TEWSUNESCO / IOC
EU Tsunami Service (NEAMTWS)INGV / KOERI / NOA
JMA JapanSeismometers + DART Buoys
BMKG IndonesiaIOTWS Partner
Historical Tsunamis — Wave Height & Casualties
2011
Tōhoku, Japan
Waves up to 40 m · Fukushima · 20,000 deaths
40 m
2004
Sumatra-Andaman
Sri Lanka, India, Thailand · 228,000 deaths
30 m
1960
Valdivia, Chile
Pacific Tsunami · Hawaii, Japan · ~6,000 deaths
25 m
1707
Hōei, Japan
Nankai Subduction · entire south/east coast · ~20,000 deaths
20 m
1755
Lisbon, Portugal
Atlantic Tsunami · Morocco, Caribbean · ~60,000 deaths
15 m
1998
Papua New Guinea
Submarine landslide · Aitape · 2,200 deaths
15 m
2022
Hunga Tonga
Volcanic tsunami · Pacific-wide · 6 deaths
15 m
1964
Alaska Good Friday
Pacific Tsunami · Hawaii, Oregon · 139 deaths
67 m*
2018
Sulawesi, Indonesia
Local waves · Palu · 4,340 deaths
11 m
1946
Aleutian, Alaska
Pacific Tsunami · Hawaii (Hilo) · 165 deaths
14 m
* Local run-up height, not open ocean
🧮 Personal Risk Calculator — Select city
TECTONIC BASE RISK (30Y.)
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RISK ASSESSMENT
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🔬 Tectonic Classification — —