Donga Ilbo Diagram of Yŏnpyŏngdo battle

With a HT to One Free Korea commenter xyzzy, here's a very useful visual of the North Korean attack on Yŏnpyŏng-do Island [aka Yeonpyeong-do].

Click to enlarge so you can see the time stamps and everything. xyzzy's observations are also interesting:

There are a few interesting points that I noticed:

1. The firing started with 76mm from Mudo(?) at the limit of its 12km range. The South was firing 155mm K-9’s, which are modern mobile howitzers with 40km range, and probably much better accuracy and firing rate.

2. After 36 minutes a battery of 130mm and 76mm took over, from Gaemori.

3. The North stopped firing within one minute of jets arriving.

Why the North started with much smaller pieces is beyond me.

Indeed, it seems North Korea does tend to back down when it's actually faced with a someone willing to respond in kind.