7.3-magnitude quake in Taiwan: 4 dead, 97 injured.

Epicenter: 23.81 N, 121.74 E, 12 km deep.

Aftershocks: 6.0 and 5.9 magnitudes.

Taipei metro halts; tsunami red alert issued.

Hualien County bears 6 magnitude intensity.

Swift response: authorities mobilize for rescue and relief.

Stories of resilience amidst chaos emerge in Taiwan.