The Changing Shape of Anak Krakatau

A few weeks ago we took a look at an interactive piece from the BBC that used a slider to show before and after photos of Anak Krakatau. For those that forget, that was the volcano that exploded and created a tsunami in Indonesia, which killed over 400 people. Well, geography is always changing and so has the shape of the volcano.

The BBC published a piece about two weeks ago that looked at new details from a Finnish radar satellite. These show how the crater of the volcano has been cut off from the ocean and is now a little lake.

Maybe not the most ideal lounging lagoon
Maybe not the most ideal lounging lagoon

This piece is not really revolutionary in its design. But it does provide a nice follow-up on a story that piqued my interest.

Credit for the piece goes to ICEYE.

The Brexit Deal Vote

Today’s (one of) the day(s). For those of you who haven’t followed Brexit, the British Parliament will vote this evening on whether to accept the deal Prime Minister Theresa May negotiated with the European Union…or not. And if not, well, the government now only has three—instead of the original 21—days to figure out a Plan B.

Of course this vote is only happening today because the government punted back in December when it was clear they were going to suffer a substantial loss. And back then, the BBC prepared this article about Brexit, where it was and where it was going. Funny thing is, after a month, not much has changed.

The screenshot below is of the process. As I noted above, the most critical change is that the government no longer has 21 business days to figure out what’s next. So instead of, to use the American football phrase, running out the clock, May will have to come up with something and present it to Parliament before 29 March, the day the UK leaves by statute.

How neat and orderly it must all seem…
How neat and orderly it must all seem…

I think the thing missing from the graphic is the chaos that happens if the deal is rejected. And while that may have been far from clearly the most obvious result two and a half years ago, it is now. And Parliament is scheduled to start voting around 19.00 GMT, or 14.00 EST for those of us on the East Coast or 13.00 CST for those of you in the Midwest.

Credit for the piece goes to the BBC graphics department.

Anak Krakatau

During my winter holiday to London the volcano Anak Krakatau erupted, sending enormous amounts of material sliding into the ocean. The displaced water had to go somewhere and travelled as a tsunami that devastated the Indonesian coastline.

Of course Anak Krakatau is one of several remnants of the much larger volcano of Krakatoa that erupted several times, perhaps most famously in 1883. Anak Krakatau specifically emerged in the late 1920s and has been building ever since until it collapsed almost two weeks ago. But by how much did it collapse?

Until just a few days ago, the skies above the volcano have not permitted detailed photography. But within the last day or so we have started to get images and the BBC put together this piece that looks at Anak Krakatau before and after.

Before on the left, after on the right
Before on the left, after on the right

It is a fairly common convention these days, the slider overtop the two images. But conceptually it shows clearly how the shape of the island has changed, in particular the new bay that has emerged. The other remarkable feature is the extension of land to the presumably east (right) of the image.

Credit for the piece goes to the BBC graphics department.

Millennials Are the Worst

Happy Friday, everybody. We made it to week’s end. But wouldn’t you know it? Millennials are still terrible. Admittedly this piece is over a year old, but I could not remember ever seeing it before.

If you do not recall, last year there was a debate about the spending habits of millennials and why they are not out there buying homes and properties. The point was that we waste our money on experiences like expensive coffees and, most specifically, avocado toast. So amidst all this, the BBC decided to look at how many pieces of avocado toast would be needed to purchase an apartment in 10 global cities. Neither Philadelphia nor Chicago were on that list, but New York is.

Note they even have local prices for avocado toast to make the index more accurate.
Note they even have local prices for avocado toast to make the index more accurate.

Ultimately, I have never had avocado toast. But it sounds pretty good. But I find it a stretch to think the reason I do not own a home is because I am trying to eat 12,135 slices of avocado toast.

Credit for the piece goes to Piero Zagami.

Swedish Election Results

Sweden went to the polls this past weekend and the results are mostly in, with overseas ballots left to be counted. But the results are clear, a stark rise for the nationalist Sweden Democrats, though not as high as some had feared late last week.

Not surprisingly we had the standard parliamentary seat chart, seen below by the BBC. The nice twist this time is the annotations stating the seat change. (More on that later.)

An unnerving amount of yellow
An unnerving amount of yellow

It does a good job of showing the parties and how they are laid out, though I am sometimes more partial to a straight-up bar chart like below at Reuters.

Here the Sweden Democrats are grey.
Here the Sweden Democrats are grey.

However, both do not do a great job in showing what would traditionally be a kingmaker result for Sweden Democrats. When stacked at each end, neither the centre-left bloc, led by the Social Democrats, nor the centre-right, led by the Moderates, are in control of a majority of seats in the Riksdag. Imagine that neutral colour straddling a 50% benchmark line or sitting in the middle of the seats. It makes it far clearer just how pivotal the Sweden Democrats would usually be. Because, usually, Sweden Democrats or parties like it—in the sense of it won a large number of seats—that help the main coalition cross that 50% threshold would have an enormous sway in the next governing coalition. But here, the Sweden Democrats are an anti-immigrant, nationalist party that both the centre-left and centre-right have said with whom they will not enter talks.

Here the Sweden Democrats are brown.
Here the Sweden Democrats are brown.

But graphically, the thing I always find lacking in charts like those above are just how dramatic the rise of the Sweden Democrats has been. And so for that, we have this little piece of mine that complements the two. Because not all members of the coalitions experienced the declines of their major parties, the Social Democrats and the Moderates. In fact, with the exception of the Green Party, all others rose or, in the case of the Liberals, stayed flat. A more thorough defeat would have probably seen the whole of the coalition falling in the number of seats. Unfortunately for Sweden, in this case, the nationalists took the lion share of the seats lost by the top two parties.

Credit for the BBC piece is mine.

Credit for my work is mine.

The Sinking City of Jakarta

Everyone is probably familiar with Venice, slowly sinking below the Adriatic. But, did you know the city of Jakarta, Indonesia is also sinking?

The BBC published an informative article about the city’s looming problem and the piece includes several nice graphics. The screenshot below is an interactive timeline of the amount of subsidence, or sinking, in the the Jakarta region. It’s been notably worst along the coast. But the striking part are the forecasts for 2025 and 2050 that place the city in danger.

The coastline at the north has experienced the worst of it
The coastline at the north has experienced the worst of it

Photography of the scale of the subsidence feature throughout the story. And about halfway through is a nice motion graphic piece that attempts to explain the sinking. I am not certain it is the best graphic, after all it references two US NBA stars and I wonder how well known they are. (Whereas everyone clearly knows who David Ortiz is.)

I was aware of Jakarta’s peril, but until reading this article, I had not realised just how imperiled the city really is.

Credit for the piece goes to the BBC graphics department.

Revealing the Past Through a Heatwave

The United Kingdom has been…well, enjoying is not the right word for me, so let’s just say witnessing a heatwave. And it is having some unexpected consequences. In short, things like grass will behave differently in extreme conditions when planted on soil vs. when growing atop stone, wood, or other non-natural features. This helps identify foundations and alike for long-forgotten structures. The BBC has a nice piece looking at some work just like this discovered across the British Isles.

The house was known about, but the details are still fascinating.
The house was known about, but the details are still fascinating.

Credit for the piece goes to Paul Hancock and PH Aerial Photograph.

Rescuing a Trapped Thai Football Team

For much of the last two weeks the world has followed the drama unfolding in Thailand, where a youth football team has been trapped underground in a partially flooded cave complex. This weekend, rescuers, who had overcome a daunting challenge of simply finding them, began extracting the boys. And this graphic from the BBC shows just how challenging their extraction will be.

In particular I like this map. It illustrates both the path of the cave, but also shows how uneven the interior structure is. It does that by showing select cross sections with a person to scale. Some parts are so small and narrow that people can barely squeeze through.

I wouldn't like being in there one bit
I wouldn’t like being in there one bit

Credit for the piece goes to the BBC graphics department.

The World Cup Begins

If you live under a rock or in America, the World Cup starts today. (Go England.) So what else to have but a chart-driven piece from the BBC from last week about the World Cup. It features seven charts encapsulating the competition. But the one I want to focus on? It’s all about the host nations, in this case Russia.

To host, or not to host, that is the question of how much can you pay FIFA officials under the table…
To host, or not to host, that is the question of how much can you pay FIFA officials under the table…

On its design, I could go without the football icons to represent points on the dot plot, but I get it. (Though to be fair, they work well as icons depicting the particular World Cup event in another set of graphics elsewhere in the article.) In particular, I really like the decision to include the average difference between a host nation’s points in non-hosting matches vs. hosting matches.

It does look like the host nation scores more points per match than when they are not hosting. And that—shameless plug—reminds me of some work I did a few years back now looking at the Olympics and the host nation advantage in that global competition.

Credit for the piece goes to the BBC Data Team.

Adding to the British Line of Succession

When I woke up this morning, the BBC was reporting that the Duchess of Cambridge was in labour. Clearly by the time I sat down to write today’s blog post, she gave birth to the child, a boy. And so now we have this graphic from the BBC showing how the new child fits into the line of succession to the British throne.

Family trees always fascinate me
Family trees always fascinate me

In all likelihood, the BBC had this graphic prepared well in advance. And once the child’s name is announced, it can be rapidly updated to include that additional information.

An interesting quirk I wanted to point out was the graphic’s use of orange. The graphic clearly shows how purple is used for the line of succession (and the dotted lines for divorce). But, what about the two orange circles, one for Philip, Duke of Edinburgh, and the other Prince Harry? Interestingly, those two are both in the line of succession as well, just not directly.

For example, Harry becomes monarch only if William and his children all die without heirs. But we all sort of knew that. Philip, on the other hand, is a few hundred down on the list, but is himself also eligible. Though the odds of that happening are so remote it’s a wonder it was put on the graphic. But still a neat little piece of trivia.

Credit for the piece goes to the BBC graphics department.