An additional load which is associated with earthquakes is the near-source effect, which include a low frequency pulse which causes an added load on a structure located close to the rupture fault in an earthquake.
Ein tegund álags sem myndast í jarðskjálfta eru svokölluð nærsprunguáhrif sem einkennast af kröftugum lágtíðni hraðapúlsi á svæðum sem liggja nálægt upptökum skjálfta.