Moderate mag. 5.7 earthquake - TAIWAN REGION on Monday, 20 April 2015
Moderate mag. 5.9 earthquake - TAIWAN REGION on Monday, 20 April 2015
This quake was likely an aftershock of the M 6.4 quake: TAIWAN REGION on Mon, 20 Apr 01h42, which had occurred 10 hours earlier.

Apr 20 14:10: Magnitude recalculated from 6.0 to 5.9.
Hypocenter depth recalculated from 30.0 to 20.0 km.
Hypocenter depth recalculated from 30.0 to 20.0 km.
Magnitude: 5.9
Depth: 20.0 km
Epicenter latitude / longitude: 24.06°N / 122.64°E

Nearest volcano: Unnamed 24.00°N/121.83°E (57 km)
Primary data source: EMSC
Estimated released energy: 4.5*10^13 J (12.4 GWh / 10676 tons of TNT / 0.7 atomic bombs equivalent) [learn more]
Data for same earthquake as reported from other agencies
Time | Mag. / Depth | Location | Source | |
Mon, 20 Apr 2015 | ||||
Mon, 20 Apr 12:00 UTC | M 6.0 / 30 km | Taiwan Region | GFZ | |
Mon, 20 Apr 12:00 UTC | M 6.1 / 29 km | 66km SW of Yonakuni, Japan | USGS | |
Mon, 20 Apr 12:00 UTC | M 6.1 / 29 km | SW of Yonakuni, Japan | GeoAu |
"I felt it" reports:
Taipei City / MMI IX (Violent shaking)
Taipei, Taiwan / MMI V (Moderate shaking): I was on the top floor of a 25th floors building. The feeling was like on a boat duiring 3-5 meter waves.
New Taipei, Yonghe District (155.6 km NW from epicenter) [Map] / MMI IV (Light shaking)
taipei city lake hotel 14th floor / MMI IV (Light shaking)
(Taiwan) (156 km NW from epicenter)(no details): Just sat and did nothing. (via EMSC)
(Taiwan) (157 km NW from epicenter)(no details): felt building shake or sway (via EMSC)