Columbia subject headings:
Accelerograms--Databases.
Earthquakes--Central America--Databases.
Earthquakes--North America--Databases.
Seismology--Central America--Databases.
Seismology--North America--Databases.
Harvard subject headings:
Accelerograms--Databases.
Earthquakes--Central America--Databases.
Earthquakes--North America--Databases.
Seismology--Central America--Databases.
Seismology--North America--Databases.
Princeton subject headings:
Accelerograms--Data bases.
Earthquakes--Central America.
Earthquakes--North America.
Seismology--Central America.
Seismology--North America.