Here is how to complete the deploy Seismographs in Misty Meadows or Catty Corner Ghostbuster Challenge in Fortnite.
One of the new Punchcards that were added in the v18.21 update was the Ghostbusters: Afterlife Questline which, as with all Punchcards, has a total of five different stages to complete. This Punchcard is only available for a limited time though (two weeks from the initial release) so make sure you complete them as soon as possible to take advantage of the additional XP available.
The first stage of these challenges is to deploy Seismographs in Misty Meadows or Catty Corner and this challenge will show you exactly where and how to complete this challenge.
Fortnite Seismographs Location
There are three Seismographs you can find in both Misty Meadows and Catty Corner and in order to complete this challenge, you only need to deploy three so you can easily complete this in one match. Once you have completed this stage, you will granted
Catty Corner Seismographs
The first Seismograph in Catty Corner can be found south of the POI at the Chonker’s Customs Landmark, just behind the petrol station and you will see a little hologram of where it should be planted, as seen in the image below:
The second Seismograph can be found right in the middle of the POI next to the reboot van, as seen in the image below:
The last place in which to deploy the Seismograph is north of the POI, which is right in front of the Bounty Board:
Misty Meadows Seismographs
The first Seismograph in Misty Meadows can be found east of the POI, next to the fountain, as can be seen in the image below:
The second one can be found in the north of the POI, right in front of the Bounty Board, as can be seen in the image below:
The last one can be found near the middle of the POI next to the building seen in the image below: