M6.1

M 6.1 - 10 km NW of Zirándaro de los Chávez, Mexico

Strong Earthquake · August 11, 2006 · 10 km NW of Zirándaro de los Chávez, Mexico

Key Insights

•This M6.1 strong earthquake ranks #160 out of 470 events in the database.
•At M6.1, this is 0.4 points above the database average of M5.7. Each whole magnitude point represents roughly 32x more energy released.
•The 56.0 km focal depth is classified as intermediate (average: 27 km across all events).
•A USGS significance score of 629 places this among the 265 most impactful events tracked, based on magnitude, felt reports, and damage potential.

Depth

56.0 km

Tsunami

Felt Reports

120

Significance

629

Earthquake Details

Magnitude	M6.1(mwb)
Classification	Strong Earthquake
Location	10 km NW of Zirándaro de los Chávez, Mexico
Date & Time	August 11, 2006 23:30:40
Coordinates	18.5410N, 101.0480W
Depth	56.0 km (Intermediate)
Tsunami	No
Felt Reports	120 reports submitted to USGS
CDI (Community Intensity)	4.7
MMI (Modified Mercalli)	5.4
Significance Score	629 / 3,000
Status	reviewed

Magnitude Scale Context

Minor

3-3.9

Light

4-4.9

Moderate

5-5.9

Strong

6-6.9

Major

At M6.1, this is classified as a Strong earthquake. Earthquakes of this size can cause severe damage in populated areas within tens of miles of the epicenter.

Official USGS Page: https://earthquake.usgs.gov/earthquakes/eventpage/usp000eqqe

Frequently Asked Questions

How strong was the 10 km NW of Zirándaro de los Chávez, Mexico earthquake?

The 10 km NW of Zirándaro de los Chávez, Mexico earthquake had a magnitude of 6.1 mwb, classified as a "Strong" earthquake on the magnitude scale. Earthquakes of this size can cause serious damage to buildings and infrastructure over a wide area.

Where exactly did this earthquake occur and how deep was it?

This earthquake struck at coordinates 18.5410N, 101.0480W, at a depth of 56.0 km. This intermediate depth can still produce significant shaking at the surface.

Did this earthquake trigger a tsunami warning?

No tsunami warning was issued for this earthquake. Earthquakes below magnitude 6.5 rarely generate dangerous tsunamis, though localized effects are possible in rare cases.

How many people felt this earthquake?

120 people submitted felt reports to the USGS for this earthquake. The Community Decimal Intensity (CDI) reached 4.7, indicating moderate shaking felt by most people indoors. The Modified Mercalli Intensity (MMI) was estimated at 5.4.

When did this earthquake happen and how significant was it?

This earthquake occurred on August 11, 2006 at 23:30:40. The USGS assigned it a significance score of 629 out of a possible 3,000, which factors in magnitude, felt reports, and potential impact. This is a moderately significant seismic event.

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Key Insights

•This M6.1 strong earthquake ranks #160 out of 470 events in the database.

•At M6.1, this is 0.4 points above the database average of M5.7. Each whole magnitude point represents roughly 32x more energy released.

•The 56.0 km focal depth is classified as intermediate (average: 27 km across all events).

•A USGS significance score of 629 places this among the 265 most impactful events tracked, based on magnitude, felt reports, and damage potential.

Earthquake Details

Magnitude

M6.1(mwb)

Classification

Strong Earthquake

Location

10 km NW of Zirándaro de los Chávez, Mexico

Date & Time

August 11, 2006 23:30:40

Coordinates

18.5410N, 101.0480W

Depth

56.0 km (Intermediate)

Tsunami

Felt Reports

120 reports submitted to USGS

CDI (Community Intensity)

4.7

MMI (Modified Mercalli)

5.4

Significance Score

629 / 3,000

Status

reviewed