Multiple Major Quakes in Eastern Turkey

Over the past two days there have been five major earthquakes in the Eastern Turkey region.  The first was a 7.2 earthquake on Sunday, October 23 at 1:41 PM at the epicenter, followed by four quakes (often called aftershocks) ranging from 6.1 to 6.0.  Each of these quakes, (and many more aftershocks registering less than […]

Turkey: One of the Most Active Earthquake Zones

Turkey is one of the most active earthquake zones because it is located in an area where several tectonic plates are converging, and actively in motion.  According to geologists, Turkey consists of the Anatolian Tectonic Plate which is surrounded by the Arabian Plate, The Eurasian Plate, and the African Plate.  The movement of these plates, […]

Extreme Earth: A new science teaching eBook

The second in a series of science teaching eBooks was published today on the Art of Teaching Science Website.  Entitled Extreme Earth, this eBook explores questions such as: Are the extremes of weather related phenomena such as flooding, tornadoes, hurricanes, drought and fires, as well as major and great earthquakes in heavily populated areas the […]

The Importance of Geology in Science Teaching

Since January, we have experienced a number of geological events that have caused havoc and misery to many people around the Earth.  On January 12, Haiti was rocked with a magnitude 7 earthquake causing the destruction of the many cities and towns including the capital, Port-au-Prince.  Then, on February 27, a magnitude 8.8 earthquake occurred […]

How Knowledge of Geology will be Important in Rebuilding Haiti

According to reports from Haiti, the relief effort is in full swing, and although search and rescue efforts were officially stopped, in truth,  they are still happening, and of course this is a hopeful event for the people in Haiti.  According to Christiane Amanpour, the U.N. is beginning to work toward the clearing away of […]

Assessment of the Haiti Earthquake and Aftershocks

The aftershocks that have rocked the region near the 7.0 earthquake of January 12 in Haiti will continue for months, if not years, according to a report by the United States Geological Survey (USGS).  It is important to understand the nature of the seismic activity in this region as this knowledge will be significant in […]

Aftershocks of the Haiti Earthquake: Are they Earthquakes?

Today, Haiti experienced a rather large 6.1 aftershock that was located 56 km from Port-Au-Prince.  Aftershocks are earthquakes.  In Haiti, there have been more than 40 aftershocks ranging from 3.0 to 5.9 as seen in the map here.  Today’s aftershock was the largest one since the 7.0 earthquake last Tuesday.  The relief efforts are underway, […]

The Sichuan, China Earthquake

Yesterday, I wrote briefly about the 7.9 M earthquake that occurred in the mountainous area near the margin of the Sichuan Basin. Rescue workers are having a difficult time reaching villages in this remote and mountanous region. The google earth image below shows the difficulty faced by the rescue workers. Here the mountains average 2400 […]

Teaching The Truth About Global Warming

Teaching Truth. That’s the problem when we discuss and debate the scientific topic of global warming. As Tim Flannery points out, science is about hypotheses (and I would add theories), not truth. One of the long term problems in science teaching is helping students understand the nature of scientific research, and how science develops theories […]

How Are Quakes Related?

I came across an interesting article No, One Quake Did Not Lead to Another, in New York Times Online. The article pointed out that following Hawaii’s 6.7 quake on October 15, two other big quakes occurred, a 6.8 near Papua New Guinea, and a 6.4 off the coast of Peru. People wondered, Are these quakes […]

The Hawaii Quake, or Is It Quakes?

In the wake of the mid-October Hawaii quake, scientists are not sure whether the >6 aftershock was an aftershock, or an independent earthquake. The first quake, which was measured at 6.7 on the Richter scale occurred at 7:07 A.M. at a depth of 24 miles; the second quake was measured at 6.0 on the Richter […]

Earthquakes in Hawaii—Unusual or Part of Hawaii's Geology?

The other day I heard a CNN news-reader, during the time when readers don’t read, but speak for themselves, say right after a story of the October 15th big Hawaii earthquake: “My, what a strange place for an earthquake to take place!” So much for earth science education! Actually we know that the Hawaiian Islands […]

Earthquakes in Hawaii—Unusual or Part of Hawaii’s Geology?

The other day I heard a CNN news-reader, during the time when readers don’t read, but speak for themselves, say right after a story of the October 15th big Hawaii earthquake: “My, what a strange place for an earthquake to take place!” So much for earth science education! Actually we know that the Hawaiian Islands […]

The Earthquake of 1906 and the New Geology

I am in the mood to write about earthquakes. I’ve written about them before, and designed activities for teachers and high school students years ago. I have only experienced three earthquakes (in Columbus, Ohio (1967), San Francisco (1985) and Seattle (2001)). In the fact the last one was a very powerful quake that rocked the […]

California Earthquakes and Science Teaching

I’ve only had a few direct experiences with an earthquake (one each in Oakland, CA, Seattle, WA, and Columbus, OH), and yet this past week, California citizens experienced 4 earthquakes that rattled a number of locations, and one of the earthquakes triggered a tsunami warning. A number of geologists were interviewed on national TV networks, […]