Recent Earthquake Teachable Moments

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March 29, 2015 (23:48:31 UTC)

Quake Location

Magnitude 7.5 Papua New Guinea

A magnitude 7.5 earthquake struck off the eastern coast of Papua New Guinea on Sunday, approximately 54 km (33 miles) southeast of Kokopo. 

Teachable Moment Presentation

9 slide Powerpoint presentation (zipped ppt/animation 13.4 MB / pdf 786 kB)

En Español

Presentación en Español (zipped ppt MB / pdf kB)

IRIS Data Management Center (DMC) Pages


February 27, 2015 (13:45:05 UTC)

Quake Location

Magnitude 7.0 Flores Sea

A 7.0 magnitude earthquake shook southern Indonesia, but no major damage or tsunami were expected because of its depth. 

Teachable Moment Presentation

8 slide Powerpoint presentation (zipped ppt 1.56 MB / pdf 661 kB)

En Español

Presentación en Español (zipped ppt 1.56 MB / pdf 758 kB)

IRIS Data Management Center (DMC) Pages


February 13, 2015 (18:59:12 UTC)

Quake Location

Magnitude 7.1 Northern Mid-Atlantic Ridge

A major magnitude 7.1 earthquake occurred on the North America – Eurasia Plate boundary. The epicenter was located ~1170km SE of Greenland in the middle of the North Atlantic Ocean.

Teachable Moment Presentation

10 slide Powerpoint presentation (zipped ppt 4.78 MB / pdf 935 kB)

En Español

Presentación en Español (zipped ppt 4.79 MB / pdf 1.07 MB)

IRIS Data Management Center (DMC) Pages


November 15, 2014 (02:31:40 UTC)

Quake Location

Magnitude 7.1 Molucca Sea

A 7.1 magnitude earthquake occurred 150 kilometers (93 miles) off the coast of Ternate, Indonesia.  The 35 kilometer deep (21.7 miles) earthquake struck at 10:31 a.m. local time.

Teachable Moment Presentation

9 slide Powerpoint presentation (zipped ppt 2.43 MB / pdf 819 kB)

En Español

Presentación en Español (zipped ppt 2.43 MB / pdf 915 kB)

IRIS Data Management Center (DMC) Pages


November 1, 2014 (18:57:22 UTC)

Quake Location

Magnitude 7.1 Fiji

A magnitude 7.1 earthquake struck 141 km (88 miles) northeast of Ndoi Island, Fiji, and 313 km (194 mi) west-northwest of Nuku’alofa, Tonga according to the US Geological Survey, but there were no reports of damage.

Teachable Moment Presentation

7 slide Powerpoint presentation (zipped ppt 1.57 MB / pdf 589 kB)

En Español

Presentación en Español (zipped ppt 1.57 MB / pdf 764 kB)

Animations and Visualizations

Tectonic Setting and Wave Propagation (mp4 4 MB / YouTube)

IRIS Data Management Center (DMC) Pages


October 14, 2014 (03:51:35 UTC)

Quake Location

Magnitude 7.3 Offshore El Salvador

A magnitude 7.3 earthquake struck off the Pacific coast of Central America late Monday night, early reports indicate one death.The earthquake occurred at a depth of 40 km (24.9 miles).  Its epicenter was offshore, 86 km (53 miles) SSW of La Union, El Salvador. The quake was felt widely across the region, with shaking reported in Guatemala, southern Belize, El Salvador, Honduras, Nicaragua, Costa Rica, western Panama, and far southeastern Mexico according to the USGS.

Teachable Moment Presentation

8 slide Powerpoint presentation (zipped ppt 2.16 MB / pdf 829 kB)

En Español

Presentación en Español (zipped ppt 2.16 MB / pdf 997 kB)

IRIS Data Management Center (DMC) Pages


October 9, 2014 (02:14:32 UTC)

Quake Location

Magnitude 7.1 Southern East Pacific Rise

A major magnitude 7.1 earthquake occurred near the intersection of the Pacific, Nazca and Antarctic Plates. The epicenter was located ~3000 km off the Chilean coast.

Teachable Moment Presentation

5 slide Powerpoint presentation (zipped ppt 696 kB / pdf 462 kB)

En Español

Presentación en Español (zipped ppt 697 kB / pdf 640 kB)

IRIS Data Management Center (DMC) Pages


August 24, 2014 (10:20:44 UTC)

Quake Location

Magnitude 6.0 San Francisco Bay Area

Early Sunday morning, the Bay Area was awakened by a magnitude 6.0 earthquake, the biggest earthquake the region has experienced since the Loma Prieta earthquake nearly 25 years ago.  The earthquake was centered 6 miles (10 km) south of the city of Napa, which is located about 50 miles northeast of San Francisco.

Teachable Moment Presentation

10 slide Powerpoint presentation (zipped ppt 5.59 MB / pdf .98 MB)

En Español

Presentación en Español (zipped ppt 5.54 MB / pdf 1.14 MB)

Links

University of California Berkeley - Seismo Blog

USGS Resources

Earthquake Information

IRIS Data Management Center (DMC) Pages


June 23, 2014 (20:53:09 UTC)

Quake Location

Magnitude 7.9 Rat Islands, Aleutian Islands, Alaska

A major magnitude 7.9 earthquake occurred in a remote area of the volcanic Aleutian Islands. The epicenter was located 19 km (11 miles) ESE of Little Sitkin Island, Alaska, while the depth was 108 km below Earth’s surface.

Teachable Moment Presentation

6 slide Powerpoint presentation (zipped ppt/animation 18.6 MB / pdf 462 kB)

En Español

Presentación en Español (zipped ppt 18.6 MB / pdf  384 kB)

IRIS Data Management Center (DMC) Pages


April 19, 2014 (13:27:59 UTC)

Quake Location

Magnitude 7.5 Papua New Guinea

A magnitude 7.5 earthquake struck off the eastern coast of Papua New Guinea on Saturday, approximately 75 km (47 miles) southwest of Panguna, Bougainville Island.  This earthquake is the latest in an ongoing sequence of seismicity in the same region over the past week.

Teachable Moment Presentation

9 slide Powerpoint presentation (zipped ppt/animation 12.4 MB / pdf 824 kB)

En Español

Presentación en Español (zipped ppt 12.4 MB / pdf 1.02 MB)

IRIS Data Management Center (DMC) Pages


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