M 7.7 - Pagan region, Northern Mariana Islands

Name: M 7.7 - Pagan region, Northern Mariana Islands
Start: 2016-07-29T21:18:24+00:00
Location: Pagan region, Northern Mariana Islands

July 29, 2016 at 21:18:24 UTC

Depth: 196.00 km (Intermediate)

Key Takeaway

This major earthquake (M7.7) occurred 9 years ago near Pagan region, Northern Mariana Islands, at a depth of 196.00 km (intermediate). It was felt by 129 people. A tsunami warning was issued for this event.

M 7.7

Major

Green

PAGER Alert

Yes

Tsunami

129

Felt Reports

Event Details

Magnitude	7.7 mww
Depth	196.00 km (Intermediate)
Location	18.5429N, 145.5073E
Community Intensity	IV (Light)
Mercalli Intensity	VI (Strong)
Felt Reports (DYFI)	129 people
Alert Level (PAGER)	Green — No fatalities or damage expected
Tsunami Warning	Yes
Significance	971 / 3000
Status	Reviewed
Network	us
USGS Event Page	View on USGS →

Frequently Asked Questions

What was the magnitude of this earthquake?

This earthquake had a magnitude of 7.7, classified as "Major". Major earthquakes can cause serious damage over large areas.

How deep was this earthquake?

This earthquake occurred at a depth of 196.00 km, classified as "Intermediate". Intermediate-depth earthquakes are felt over a wider area but typically cause less surface damage than shallow events of the same magnitude.

Where exactly did this earthquake occur?

This earthquake occurred near Pagan region, Northern Mariana Islands, at coordinates 18.5429N, 145.5073E. The location is determined by analyzing seismic wave arrival times at multiple monitoring stations.

Were there aftershocks associated with this event?

Aftershock data for this specific event can be explored by viewing nearby recent earthquakes listed below on this page. Aftershocks are smaller earthquakes that occur in the same area following a larger event, and they can continue for days, weeks, or even months depending on the original earthquake's magnitude.

What does the magnitude of this earthquake mean in practical terms?

A magnitude 7.7 earthquake is classified as "Major" — these can cause serious damage to buildings and infrastructure across a wide area, especially near the epicenter.

Nearby Recent Earthquakes

M 4.4

Maug Islands region, Northern Mariana Islands

9 years ago · 156.61 km deep

M 4.4

Maug Islands region, Northern Mariana Islands

9 years ago · 98.11 km deep

M 4.3

Maug Islands region, Northern Mariana Islands

9 years ago · 181.75 km deep

M 4.2