Mw分布統計表

以6月份為例, 有兩個高峰, 分布於2.5~2.9與3.5~3.9, 暫時以兩個normal混和分布視之, 各月份有類似情況, 因此可能分成5種情況來討論其意義:

• Mw<2.5
• 2.5<Mw<3.0
• 3.0<Mw<3.5
• 3.5<Mw<3.9
• 3.9<Mw

Mw分布統計表(2018/06)
Mw	頻率	累計頻率	累計%
0	6	6	0.0012%
1	1	7	0.0014%
1.7	3	10	0.0020%
1.8	8	18	0.0035%
1.9	104	122	0.0239%
2	578	700	0.1370%
2.1	2306	3006	0.5882%
2.2	6133	9139	1.7884%
2.3	13036	22175	4.3394%
2.4	22382	44557	8.7193%
2.5	31051	75608	14.7957%
2.6	35827	111435	21.8066%
2.7	34758	146193	28.6084%
2.8	31517	177710	34.7760%
2.9	27100	204810	40.0791%
3	23208	228018	44.6207%
3.1	20040	248058	48.5423%
3.2	18960	267018	52.2526%
3.3	20079	287097	56.1818%
3.4	23784	310881	60.8361%
3.5	29106	339987	66.5318%
3.6	33882	373869	73.1622%
3.7	35929	409798	80.1931%
3.8	33461	443259	86.7411%
3.9	27020	470279	92.0286%
4	18178	488457	95.5858%
4.1	11030	499487	97.7443%
4.2	5730	505217	98.8656%
4.3	2719	507936	99.3977%
4.4	1197	509133	99.6319%
4.5	699	509832	99.7687%
4.6	415	510247	99.8499%
4.7	284	510531	99.9055%
4.8	207	510738	99.9460%
4.9	125	510863	99.9705%
5	61	510924	99.9824%
5.1	25	510949	99.9873%
5.2	17	510966	99.9906%
5.3	11	510977	99.9928%
5.4	16	510993	99.9959%
5.5	13	511006	99.9984%
5.6	4	511010	99.9992%
5.7	2	511012	99.9996%
5.8	2	511014	100.0000%