M6.5

M 6.5 - 41 km NW of El Habillal, Mexico

Strong Earthquake · April 12, 2012 · 41 km NW of El Habillal, Mexico

Key Insights

•This M6.5 event ranks #63 of 470 earthquakes by magnitude, stronger than 87% of recorded US events.
•At M6.5, this is 0.8 points above the database average of M5.7. Each whole magnitude point represents roughly 32x more energy released.
•The 20.0 km focal depth is classified as intermediate (average: 27 km across all events).
•A USGS significance score of 1171 places this among the 265 most impactful events tracked, based on magnitude, felt reports, and damage potential.

Depth

20.0 km

Tsunami

Felt Reports

802

Significance

1171

Earthquake Details

Magnitude	M6.5(mwb)
Classification	Strong Earthquake
Location	41 km NW of El Habillal, Mexico
Date & Time	April 12, 2012 07:55:10
Coordinates	18.2290N, 102.6890W
Depth	20.0 km (Intermediate)
Tsunami	No
Felt Reports	802 reports submitted to USGS
CDI (Community Intensity)	6.5
MMI (Modified Mercalli)	5.8
Significance Score	1171 / 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 M6.5, 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/usp000jhpj

Frequently Asked Questions

How strong was the 41 km NW of El Habillal, Mexico earthquake?

The 41 km NW of El Habillal, Mexico earthquake had a magnitude of 6.5 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 18.2290N, 102.6890W, at a depth of 20.0 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. While the magnitude was significant, the location and depth characteristics did not warrant a tsunami advisory.

How many people felt this earthquake?

802 people submitted felt reports to the USGS for this earthquake. The Community Decimal Intensity (CDI) reached 6.5, indicating strong to very strong shaking with potential for damage. The Modified Mercalli Intensity (MMI) was estimated at 5.8.

When did this earthquake happen and how significant was it?

This earthquake occurred on April 12, 2012 at 07:55:10. The USGS assigned it a significance score of 1171 out of a possible 3,000, which factors in magnitude, felt reports, and potential impact. This is considered a highly significant seismic event.

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Key Insights

•This M6.5 event ranks #63 of 470 earthquakes by magnitude, stronger than 87% of recorded US events.

•At M6.5, this is 0.8 points above the database average of M5.7. Each whole magnitude point represents roughly 32x more energy released.

•The 20.0 km focal depth is classified as intermediate (average: 27 km across all events).

•A USGS significance score of 1171 places this among the 265 most impactful events tracked, based on magnitude, felt reports, and damage potential.

Earthquake Details

Magnitude

M6.5(mwb)

Classification

Strong Earthquake

Location

41 km NW of El Habillal, Mexico

Date & Time

April 12, 2012 07:55:10

Coordinates

18.2290N, 102.6890W

Depth

20.0 km (Intermediate)

Tsunami

Felt Reports

802 reports submitted to USGS

CDI (Community Intensity)

6.5

MMI (Modified Mercalli)

5.8

Significance Score

1171 / 3,000

Status

reviewed