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Table 2 Major earthquakes with no warning issued and the corresponding final prediction results

From: Earthquake early warning for the 2016 Kumamoto earthquake: performance evaluation of the current system and the next-generation methods of the Japan Meteorological Agency

Actual earthquake

Final prediction result

#

Day

Origin time

Epicenter location

Mag.

Max. seismic intensity

Epicenter location

Mag.

Max. seismic intensity

Score (%)

1

15

01:53:01.4

(1)

4.8

5L

(1)

4.8

4

100.0

2

16

07:23:54.3

(1)

4.8

5L

(1)

4.6

4

100.0

3

19

20:47:03.3

(1)

5.0

5L

(3)

4.8

4

100.0

4

29

15:09:34.3

(4)

4.5

5U

(4)

4.1

3

0.0

  1. This table lists the four cases from April 14 to 30 in which seismic intensities of ≥5L were actually observed but warnings were not issued by the system. The definitions of the epicenter locations are the same as in Table 1