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Geophysical Events

We provide data and educational content for significant geophysical events like earthquake and volcanic eruptions. Visit the IRIS archive for older Teachable Moments or the UNAVCO archive for older Event Responses. To receive notifications of educational content for notable earthquakes, see the Mailing Lists page.

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Earthquake
16 July 2023

M 7.2 Alaska Peninsula

A magnitude 7.2 earthquake occurred off the Alaska Peninsula.

Earthquake
10 July 2023

M 6.6 near Antigua and Barbuda

A magnitude 6.6 earthquake occurred 277 km northeast of Antigua and Barbuda.

Earthquake
15 June 2023

M 7.2 south of Fiji

A magnitude 7.2 earthquake occurred south of the Fiji Islands at a depth of 167.4 km (104 miles). There is no threat of a tsunami and no reports of damage or injuries.

Earthquake
25 May 2023

M 6.5 Panama-Colombia

A magnitude 6.5 earthquake occurred offshore between Panama and Colombia.

Earthquake
20 May 2023

M 7.1 Loyalty Islands

A magnitude 7.1 earthquake occurred 23 hours after a M7.7 earthquake and was located approximately 33 km to the west of the mainshock.

Earthquake
19 May 2023

M 7.7 Loyalty Islands

A magnitude 7.7 earthquake has occurred 448.2 km (278.5 miles) ESE of Nouméa, New Caledonia at a depth of 37.7 km (23.4 miles).

Earthquake
17 May 2023

M 6.4 Guatemala

A magnitude 6.4 earthquake occurred at a depth of 252 km beneath Canillá, Guatemala.

Earthquake
11 May 2023

M 7.6 Tonga

A magnitude 7.6 earthquake occurred at a depth of 210.1 km (130 miles). The earthquake was followed by a magnitude 5.1 aftershock approximately 30 minutes later. The epicenters of both earthquakes were located northwest of the Tongan island of Niuatoputapu.

Earthquake
25 April 2023

M 7.1 Indonesia

A 7.1 magnitude earthquake occurred 203.5 km (126.4 mi) west of Padang, West Sumatra, Indonesia at a depth of 15.5 km (9.6 mi).

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