Etna : Sismologie du 19.12.2009

L'Etna enneigé, photographié de San Gregorio di Catania - 2001 - Wikipedia

Un tableau synoptique des tremblements de terre du 19..12.2009 sur l'Etna permet à la fois de repérer leur grand nombre et les deux épisodes majeurs de magnitude 4,3 (5 h36) et 4,6 (9 h01).

15137 1284328357730 1515764014 30748226 8101756 n

15137 1284328357730 1515764014 30748226 8101756 n

Seismograms of the "ESPC" station located at Monte Serra Pizzuto Calvarina on the south flank of Etna, showing the sequence of earthquakes of 19 December 2009 between 04 and 16 h GMT (local time -1). The two major events are clearly visible, but many of the smaller events have magnitudes of 2.5-3. Assembled from http://193.206.223.38/INGV/index.php?option=com_wrapper&view=wrapper&Itemid=207&lang=it
Document Boris Behncke - INGV Catania.

Event-Id	Data	Ora (UTC)	Lat	Lon	Prof(Km)	Mag	Distretto Sismico
2210207670	2009/12/19	18:08:33	37.78	14.949	28.8	Ml:3.4	Etna
2210206930	2009/12/19	16:54:00	37.8	14.912	23.8	Ml:2.3	Etna

2210204430	2009/12/19	12:43:00	37.79	14.92	20	Ml:3.6	Etna

2210202420	2009/12/19	09:22:38	37.78	14.986	23.9	Ml:2.6	Etna
2210202360	2009/12/19	09:17:29	37.765	14.975	9.3	Ml:2.9	Etna
2210202330	2009/12/19	09:13:25	37.776	14.952	15.9	Ml:2.8	Etna
2210202210	2009/12/19	09:01:17	37.784	14.939	14	Ml:4.6	Etna ***
2210202060	2009/12/19	08:46:34	37.787	14.975	32.6	Ml:2.6	Etna
2210201890	2009/12/19	08:29:39	37.771	14.927	25.0	Ml:2.6	Etna
2210201840	2009/12/19	08:24:57	37.764	14.939	28.5	Ml:3.2	Etna
2210201610	2009/12/19	08:01:12	37.748	14.947	11.4	Ml:3.4	Etna
2210201580	2009/12/19	07:58:25	37.755	14.915	32.8	Ml:3.3	Etna
2210201530	2009/12/19	07:54:21	37.764	14.908	18.9	Ml:2.7	Etna
2210201420	2009/12/19	07:42:27	37.758	14.947	25.2	Ml:3.4	Etna
2210200440	2009/12/19	06:04:50	37.769	14.932	7.8	Ml:2.7	Etna
2210200370	2009/12/19	05:57:40	37.789	14.913	20.0	Ml:2.9	Etna
2210200330	2009/12/19	05:53:30	37.766	14.919	27.5	Ml:3.0	Etna
2210200260	2009/12/19	05:46:18	37.78	14.927	18.7	Ml:3.0	Etna
2210200220	2009/12/19	05:42:43	37.762	14.9	22.4	Ml:2.9	Etna
2210200200	2009/12/19	05:40:36	37.77	14.832	10.0	Ml:3.0	Etna
2210200150	2009/12/19	05:36:29	37.724	14.981	16	Ml:4.3	Etna ***
2210200090	2009/12/19	05:29:11	37.731	14.94	15.8	Ml:2.6	Etna
2210200070	2009/12/19	05:27:25	37.77	14.97	6.9	Ml:2.9	Etna
2210200010	2009/12/19	05:21:17	37.77	14.954	29.8	Ml:2.7	Etna
2210199960	2009/12/19	05:16:51	37.771	14.995	17.5	Ml:2.7	Etna

Document INGV-Catania - Terremoti recenti 19.12.2009

Sources :
- communication de Boris Behncke, volcanologue INGV-Catania
- Tableaux : INGV-Catania.

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