The people of Ecuador are digging out today from the strongest earthquake there in decades.
The 7.8 magnitude quake has killed at least 350 and has left thousands homeless.
This following two other powerful quakes which hit south-western Japan last week. A quarter of a million people have now been told to leave their homes as tremors there continue.
For more on all this seismic activity, Take Two's Alex Cohen sat down with Mark Simons, professor of geophysics at Caltech's Seismology Laboratory.
Simons says that while it's tragic that two huge quakes happened with such close timing, that doesn't necessarily mean that seismic activity is ramping up world wide.
To hear the full conversation, click the blue play button above