M 6.4 - 29 km NNW of La Serena, Chile

April 1, 2002 at 19:59:32 UTC

Depth: 71.00 km (Intermediate)

Key Takeaway

This strong earthquake (M6.4) occurred 23 years ago near 29 km NNW of La Serena, Chile, at a depth of 71.00 km (intermediate).

M 6.4

Strong

N/A

PAGER Alert

No

Tsunami

N/A

Felt Reports

Event Details

Magnitude	6.4 mwc
Depth	71.00 km (Intermediate)
Location	-29.6700S, 71.3840W
Mercalli Intensity	V (Moderate)
Tsunami Warning	No
Significance	630 / 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 6.4, classified as "Strong". Strong earthquakes can cause severe damage in areas several tens of miles across.

How deep was this earthquake?

This earthquake occurred at a depth of 71.00 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 29 km NNW of La Serena, Chile, at coordinates -29.6700S, 71.3840W. 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 6.4 earthquake is classified as "Strong" — these can cause significant damage in populated areas, particularly to older or poorly constructed buildings.

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Data from the USGS Earthquake Hazards Program (ComCat). QuakeScan is not affiliated with the USGS. Event details may be updated as new data becomes available.