Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Earth oscillations induced by Hurricane Katrina   Seismograph records show that Katrina was responsible for many motions of the
Earth in addition to the well known microseismic `noise' that is known to
accompany oceanic disturbances.

35
The categories of this paper are: mtrl-th
33
The categories of this paper are: plasm-ph
7
The categories of this paper are: hep-th
10
The categories of this paper are: q-bio
8
The categories of this paper are: hep-ex
24
The categories of this paper are: dg-ga
37
The categories of this paper are: supr-con
23
The categories of this paper are: solv-int
28
The categories of this paper are: alg-geom
14
The categories of this paper are: math-ph
13
The categories of this paper are: quant-ph
32
The categories of this paper are: atom-ph
25
The categories of this paper are: patt-sol
18
The categories of this paper are: econ
22
The categories of this paper are: chao-dyn
31
The categories of this paper are: ao-sci