1. Bishop's Castle earthquake

2. April 18, 1990 - Watsonville, California

3. Manjil–Rudbar earthquake

4. Luzon earthquake

5. References

Earthquakes in 1990 details the major earthquakes that occurred around the world in the year 1990.

Bishop's Castle earthquake

On April 2, 1990, a 5.1 M_L earthquake was felt across much of England and Wales at 13:46 34.2s UTC. Early news reports in the immediate aftermath speculatively attributed the epicentre to places as far apart as Nottingham and a valley in the east of Wales and then settled on Wrexham,^[1] before geologists finally concluded that it had in fact been in the vicinity of the small town of Clun near the town of Bishop's Castle, Shropshire.^[2]

April 18, 1990 - Watsonville, California

Magnitude-5.4 earthquake frightened younger celebrants at Lotta's Fountain as they commemorated the 1906 disaster. It was just one about 100 quake shocks felt throughout the day. One house collapsed in Watsonville, California from the shock, and minor power failures and rockslides were reported.^[3]

All 44 BART trains were halted for track inspection after today's earthquake. Service resumed after 15 minutes.

Manjil–Rudbar earthquake

The Manjil–Rudbar earthquake occurred at 00:30:09 on June 21, 1990 (21:00:9 June 20, 1990 UTC). It caused major damage in areas within a one hundred kilometer radius of the epicenter near the city of Rasht and about two hundred kilometers northwest of Tehran. The cities of Rudbar, Manjil, and Lushan and 700 villages were destroyed, and over three hundred villages were affected. There was $200,000,000 not only in damage but in health care in damage in Gilan and Zanjan provinces southwest of the Caspian Sea. 100,000 adobe houses sustained major damage or collapsed resulting in 40,000 dead, and 60,000 injured. 500,000 people were left homeless.^[4]

Luzon earthquake

The Luzon earthquake occurred on Monday, July 16, 1990, at 4:26 PM local time in the Philippines. The densely populated island of Luzon was struck by an earthquake with a 7.8 M_s (surface-wave magnitude). The earthquake produced a 125 km-long ground rupture that stretched from Dingalan, Aurora to Cuyapo, Nueva Ecija as a result of strike-slip movements along the Philippine Fault and the Digdig Fault within the Philippine Fault System. The earthquake epicenter was placed at 15° 42' N and 121° 7' E near the town of Rizal, Nueva Ecija, northeast of Cabanatuan City.^[5]

An estimated 1,621 people were killed in the earthquake,^[6][7] most of the fatalities located in Central Luzon and the Cordillera region.

References

• No. 158 Helicopter Unit, IAF
• No. 159 Helicopter Unit, IAF
• No. 15 Ferry Pilot Pool ATA
• No. 15 Ferry Pool ATA
• No. 15 Ferry Unit RAF
• No. 15 Flying Training School RAF
• No. 15 Service Flying Training School RAF
• No. 15 Squadron RJAF
• No. 15 Training Depot Station
• No. 167 Squadron
• No. 1683 Flight RAF
• No. 16 Armament Practice Camp
• No. 16 Army Light Aircraft Squadron (Australia)
• No. 16 Ferry Pilot Pool ATA
• No. 16 Ferry Pool ATA
• No. 16 Ferry Unit RAF
• No. 16 Service Flying Training School
• No. 1770 NAS
• No. 1771 NAS
• No. 17 Squadron, Finnish Air Force
• No. 17 Squadron RAF Regiment
• No. 17 Squadron RJAF
• No. 1843 NAS
• No. 1845 NAS
• No. 1851 NAS