Heavy Aftershock in Baja California and the USA – Mexico border region

Mexicali at night

Mexicali at night - Image via Wikipedia

Earthquake Report comment :
The powerful aftershock occurred in the middle of the night.
The epicenter of this aftershock (earthquake) is in the same area than the M 7.2 main shock from April 4, 2010. Since that date a number of sometimes very powerful aftershocks have been hammering the border area.
Earthquake report does not think that there will be a lot of damage or injuries as people in this area have very strong building rules and have witnessed much stronger earthquakes the last few months.
Maximum shaking will be moderate to strong in the unpopulated epicenter area. Weak to light in the greater region.
Inhabitants of Tijuana and San Diego will have merely slept through it, with only light sleepers as witnesses from this aftershock.
Mercalli Intensities felt in various towns (in line with our predictions) :
Guadalupe Victoria : V (Moderate)
Greater Mexicali area : III (Weak to light)
San Diego and Tijuana : II to III (Weak)
The current epicenter is less than 20 km away from the April 4 earthquake epicenter and will probably be coming from the same fault line.
Click here for a picture of the sand dunes of the Laguna Salada landscape, extraordinary beautiful!. The Laguna Salada is part of the Yuha desert, where the earthquake epicenter is located.

Most important Earthquake Data:
Magnitude :  Ml 5.4
Tuesday, September 14, 2010 at 03:52:17 AM at epicenter
Depth (Hypocenter) : 11.5  km
Geo-location(s) (after recalculation) :
60 km (35 miles) SW of San Luis Rio Colorado, Sonora, Mexico
80 km (50 miles) SSE of Mexicali, Baja California, Mexico
95 km (60 miles) SSE of El Centro, California

Links to important maps
USGS Did You Feel It Map

Google satellite map of the area showing the kind of terrain the earthquake took place
USGS Shaking map

USGS Pager map

Seismograph of the event on nearby stations

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