Tsunamis | Simple Site

Earth

Natural Disasters

See NASA’s GUARDIAN Catch a Tsunami

A new data visualization illustrates how an experimental NASA technology can provide extra lead time to communities in the path of a tsunami. Called GUARDIAN (GNSS Upper Atmospheric Real-time Disaster Information and Alert Network), the software detects slight distortions in satellite navigation signals to spot hazards on the move..

Posted March 23, 2026

Earth

Jet Propulsion Laboratory

Natural Disasters

Oceans

NASA’s GUARDIAN Tsunami Detection Tech Catches Wave in Real Time

A massive earthquake and subsequent tsunami off Russia in late July tested an experimental detection system that had deployed a critical component just the day before. A recent tsunami triggered by a magnitude 8.8 earthquake off Russia’s Kamchatka Peninsula sent pressure waves to the upper layer of the atmosphere, NASA scientists have reported.

Posted September 12, 2025

Earth

Natural Disasters

NASA Satellite Images Could Provide Early Volcano Warnings

Scientists know that changing tree leaves can indicate when a nearby volcano is becoming more active and might erupt. In a new collaboration between NASA and the Smithsonian Institution, scientists now believe they can detect these changes from space.

Posted May 15, 2025

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Heliophysics Division

61

8

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1

Quesst: The Flights

4

64

Jupiter

37

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1

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6

18

STS-66

1

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18

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41

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8

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81

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3

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231

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1

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5

1

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1

25

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1

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1

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29

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62

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147

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8

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4

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110

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41

Terra

10

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1

24

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12

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16

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20

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1

Apollo 14

2

6

CALIPSO (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite)

1

Red Dwarfs

1

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8

Landsat

15

Centennial Challenges News

8

Sounding Rockets

20

1

Subsonic Vehicle Technologies and Tools

2

Media Resources

1

Night Sky Network

37

Exploration Systems Development Mission Directorate

67

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1

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3

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1

Oceans

43

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4

Virgil I. Grissom

3

Gravitational Lensing

5

Air Traffic Management and Safety

2

Bennu

6

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18

SeaWiFS (Sea-viewing Wide Field-of-view Sensor)

1

Johnson Leadership

2

MAIA (Multi-Angle Imager for Aerosols)

1

6

STS-129

2

Enceladus

4

Native American Heritage Month

7

TRACERS

1

Gemini III

1

2

Artemis

348

People of Johnson

61

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1

In-flight Education Downlinks

27

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142

CIPHER (Complement of Integrated Protocols for Human Exploration Research)

1

Space Operations Mission Directorate

57

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4

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30

Investigation of Convective Updrafts (INCUS)

1

Low Earth Orbit Economy

22

Comets

14

4

Earth Science Technology Office

9

Technology

102

Nancy Grace Roman Space Telescope

69

2

5

Water & Energy Cycle

5

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3

Andrew S.W. Thomas

1

Brewster H. Shaw Jr.

1

Quesst: The Mission

3

Skywatching Tips

34

23

Mars Exploration Program

6

Sojourner (Rover)

1

Dark Matter & Dark Energy

9

STS-68

1

Everyday Extraordinary Stories

1

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29

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3

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2

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3

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2

Advanced Air Mobility

19

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42

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1

RS-25

2

GRACE (Gravity Recovery And Climate Experiment)

6

Aeronautics Technology

8

Atmospheric Temperature

1

4

Science for Everyone

2

Jasmin Moghbeli

11

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1

Compton Gamma Ray Observatory (CGRO)

1

Stennis Test Facility and Support Infrastructure

3

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3

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8

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28

Origin & Evolution of the Universe

17

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153

1

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3

Hubble Space Telescope

224

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1

PACE (Plankton, Aerosol, Cloud, Ocean Ecosystem)

26

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13

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1

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3

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1

Center Innovation Fund

3

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15

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1

Sun-Earth Interactions

1

Meetings, Workshops & Conferences

1

NISAR (NASA-ISRO Synthetic Aperture Radar)

18

Explore

6

Vegetation

4

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