Terror Tuesday: Watch Your Step

The streetlight flickered once, and then went dark.
The moon was lost behind the thickest clouds
Of winter. Lena's snow boot scuffed a mark
Hacked into curbside ice. The slightest sound
Would carry through this silence. There was not
A breath of wind. She tensed, stopped in her tracks,
And softly cursed. Already she felt hot.
Beneath the earth and surging through its cracks,
It rose,  a geothermal force endowed
With vast malevolence was now awake,
And Lena knew it. With a scream so loud
It hurt her own ears, she ran, felt a quake,
And all her body's water turned to steam.
No one was there to hear her final scream.