Typhoon Marge (1973)
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| Meteorological history | |
|---|---|
| Formed | September 10, 1973 |
| Dissipated | September 15, 1973 |
| Unknown-strength storm | |
| 10-minute sustained (JMA) | |
| Lowest pressure | 965 hPa (mbar); 28.50 inHg |
| Category 1-equivalent typhoon | |
| 1-minute sustained (SSHWS/JTWC) | |
| Highest winds | 150 km/h (90 mph) |
| Lowest pressure | 964 hPa (mbar); 28.47 inHg |
| Overall effects | |
| Fatalities | 903 total |
| Areas affected | Philippines, South China, Vietnam, Laos, Thailand, Myanmar |
Part of the 1973 Pacific typhoon season | |
Typhoon Marge, known in the Philippines as Typhoon Ibiang, was a deadly typhoon that formed in September 1973. The Chinese town of Jiaji in Qionghai, Hainan recorded a minimum central pressure of 937.8 hPa when Marge made landfall. 903 people were killed in Hainan when Marge landed in Ninh Bình and Thanh Hóa provinces in North Vietnam in mid September, 1973.

Tropical storm (39–73 mph, 63–118 km/h)
Category 1 (74–95 mph, 119–153 km/h)
Category 2 (96–110 mph, 154–177 km/h)
Category 3 (111–129 mph, 178–208 km/h)
Category 4 (130–156 mph, 209–251 km/h)
Category 5 (≥157 mph, ≥252 km/h)
Unknown
On September 10, 1973, a tropical depression formed in the sea east of the Philippines before moving to the east of Luzon. It made landfall on Luzon with the intensity of a tropical depression on September 11. The tropical depression then moved into the South China Sea and was given the name Marge. On September 12, a U.S. reconnaissance plane detected a hurricane nearby and upgraded it to a typhoon. Due to the storm entering Chinese airspace, the US military stopped reconnaissance shortly after September 13. The final reconnaissance recorded wind speeds at 80 knots. According to reconnaissance aircraft and ship data, the circulation was quite small, no more than 150 miles wide.[1] It made landfall in Boao in Qionghai, Hainan on September 13, and it soon crossed the Beibu Gulf. Marge made its final landfall in Tam Diep Mountains (border of Ninh Binh and Thanh Hoa provinces) Vietnam in late September 14, 1973 and dissipated in the Upper Laos soon after.[2][3][4]