Recent Earthquake Teachable Moments

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April 12, 2014 (20:14:39 UTC)

Quake Location

Magnitude 7.6/7.4 Solomon Islands

A magnitude 7.6 earthquake struck near the Solomon Islands on Sunday morning; there were no immediate reports of damage. The earthquake was centered 100 km (60 miles) south of Kira Kira, a town on the island of Makira, at a depth of 29 km (18 miles). 

A magnitude 7.4 earthquake occurred less than 24 hours later approximately 20 km to the southwest of the magnitude 7.6 earthquake.

Teachable Moment Presentation

12 slide Powerpoint presentation (zipped ppt/animation 13.1 MB / pdf 1.09 MB)

En Español

Presentación en Español (zipped ppt 13.5 MB / pdf 1.07 MB)


April 11, 2014 (07:07:21 UTC)

Quake Location

Magnitude 7.1 Papua New Guinea

A magnitude 7.1 earthquake struck off the western coast of Papua New Guinea on Friday, approximately 57 km (35 miles) west of Panguna, Bougainville Island. 

Teachable Moment Presentation

8 slide Powerpoint presentation (zipped ppt/animation 11.5 MB / pdf 765 kB)

En Español

Presentación en Español (zipped ppt 11.5 MB / pdf 752 kB)

IRIS Data Management Center (DMC) Pages


April 3, 2014 (02:43:14 UTC)

Quake Location

Magnitude 7.6 SW of Iquique, Chile

A powerful aftershock struck off northern Chile prompting an evacuation of the coastal area and raising fears of a tsunami.  This magnitude 7.6 earthquake is the largest of a series of aftershocks following a massive and deadly 8.2 magnitude earthquake that hit late Tuesday.  This earthquake was located 19 km (12 miles) south of the port city of Iquique at a depth 40 km (24.9 miles).

Teachable Moment Presentation

10 slide Powerpoint presentation (zipped ppt 19.4 MB / pdf 1.35 MB)

En Español

Presentación en Español (zipped ppt 19.4 MB / pdf 1.34 MB)


April 1, 2014 (23:46:46 UTC)

Quake Location

Magnitude 8.2 Northwest of Iquique, Chile

An 8.2-magnitude earthquake struck off the coast of northern Chile, generating a local tsunami.  The USGS reported the earthquake was centered 95 km (59 miles) northwest of Iquique at a depth of 20.1km (12.5 miles).

Teachable Moment Presentation

14 slide Powerpoint presentation (zipped ppt/animations 35.4 MB / pdf 1.26 MB)

Animations and Visualizations

MegaThrust Earthquakes (mp4 16.4 MB / YouTube / More Info)
Tectonic Setting and Wave Propagation (mp4 3.89 MB / YouTube)
USArray Ground Motion Visualization (mpeg 11.3 MB / More Info)
Back Projection (mpeg 66.1 kB / More Info)

En Español

Presentación en Español (zipped ppt 35.5 MB / pdf 1.46 MB)

USGS Resources

Earthquake Information

IRIS Data Management Center (DMC) Pages


November 25, 2013 (06:27:33 UTC)

Quake Location

Magnitude 7.0 South Atlantic Ocean

A magnitude 7.0 earthquake occurred 300 km southeast of the Falkland Islands.  There was a M 5.6 earthquake 24 seconds prior to this mainshock and was followed by four aftershocks ranging from M 4.6 to M 5.5.

Teachable Moment Presentation

10 slide Powerpoint presentation (zipped ppt/animation 9.22 MB / pdf 983 kB)

En Español

Presentación en Español (zipped ppt 4.16 MB / pdf 1.07 MB)

USGS Resources

Earthquake Information

IRIS Data Management Center (DMC) Pages


November 17, 2013 (09:04:55 UTC)

Quake Location

Magnitude 7.8 Scotia Sea

A magnitude 7.8 earthquake has occurred in the South Orkney Island region in the Scotia Sea. This earthquake is the latest in a series of moderate-to-large earthquakes to strike this region over the past several days.

Teachable Moment Presentation

11 slide Powerpoint presentation (zipped ppt/animation 7.39 MB / pdf 982 kB)

Animations and Visualizations

USArray Ground Motion Visualization (mpeg 9.2 MB / More Info)

En Español

Presentación en Español (zipped ppt 2.28 MB / pdf 986 kB)

USGS Resources

Earthquake Information

IRIS Data Management Center (DMC) Pages


October 25, 2013 (17:10:16 UTC)

Quake Location

Magnitude 7.1 Off the east coast of Honshu, Japan

A magnitude 7.1 struck early Saturday off Japan's east coast. The quake hit at 2:10 a.m. Tokyo time about 170 miles from Fukushima and was felt in Tokyo, 300 miles away. There were no immediate reports of damage.

Teachable Moment Presentation

9 slide Powerpoint presentation (zipped ppt 3.22 MB / pdf 816 kB)

Animations and Visualizations

USArray Ground Motion Visualization (mpeg 10.3 MB / More Info)

En Español

Presentación en Español (zipped ppt 3.16 MB / pdf 968 kB)

USGS Resources

Earthquake Information


October 15, 2013 (00:12:32 UTC)

Quake Location

Magnitude 7.1 Philippines

A magnitude 7.1 earthquake struck in the southeastern Philippines just after 8 am local time Tuesday morning.  According to the USGS, the quake was centered about 391 miles (629 kilometers) south-southeast of Manila, and its depth was 12 miles (20 kilometers).

Teachable Moment Presentation

UPDATED 8 slide Powerpoint presentation (zipped ppt 3.38 MB / pdf 1.12 MB)

Animations and Visualizations

USArray Ground Motion Visualization (mpeg-4 9.3 MB / More Info)

En Español

Presentación en Español (zipped ppt 3.38 MB / pdf 1.20 MB)

USGS Resources

Earthquake Information


September 25, 2013 (16:42:42 UTC)

Quake Location

Magnitude 7.0 Peru

An earthquake with a magnitude of 7.0 centered off Peru's sparsely populated southwestern coast shook much of the nation Wednesday but only minor damage and light injuries were reported.

Teachable Moment Presentation

8 slide Powerpoint presentation (zipped ppt/animation 19.2 MB / pdf 1.43 MB)

Animations and Visualizations

Tectonic Setting and Wave Propagation (mp4 5.89 MB / YouTube)
USArray Ground Motion Visualization (mpeg-4 11.4 MB / More Info)

En Español

Presentación en Español (zipped ppt 2.1 MB / pdf 1.44 MB)

USGS Resources

Earthquake Information


September 24, 2013 (11:29:48 UTC)

Quake Location

Magnitude 7.7 Pakistan

A powerful earthquake has killed at least 208 people in Pakistan's remote south-west province.  Many houses were flattened and thousands of people have spent the night in the open.

Teachable Moment Presentation

updated 11 slide Powerpoint presentation (zipped ppt/animation 11.8 MB / pdf 1.67 MB)

Animations and Visualizations

Tectonic Setting and Wave Propagation (mp4 4 MB / YouTube)
USArray Ground Motion Visualization (mpeg-4 8.51 MB / More Info)

En Español

Presentación en Español (zipped ppt 3.2 MB / pdf 1.67 MB)

USGS Resources

Earthquake Information


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