Fig. 2From: Anomalies of air pressure in Serbia as a result of the eruption of the volcano Hunga Tonga–Hunga Ha'apai in mid-January 2022Earth's hemisphere shown in equatorial orthographic projection with construction pole T0 (φ0 = 00, λ0 = 900-( λ2—1800): T1 is Belgrade, T2 is Hunga Tonga volcano, and T2' is the antipode of point T2 (φ = 20.50S, λ = 175.4.0 W, h = 114)Back to article page