[Technocrat]

Here's a better list of all the quakes over 2.5 at the station in question since 9/1.

Date	Hour	Lat	Lon	Prof	Int	Mag	Tipo Mag	Place
01/09/2011	17:58:33	27.7508	-18.0469	12		2.7	4	W FRONTERA.IHI
02/09/2011	14:30:08	27.7437	-18.0527	11		2.6	4	W FRONTERA.IHI
06/09/2011	04:01:23	28.9464	-14.2258	15		2.6	4	ATLÁNTICO-CANARIAS
10/09/2011	15:16:08	27.7270	-18.0375	11		2.5	4	SW FRONTERA.IHI
12/09/2011	04:00:13	27.7153	-18.0426	9	II	2.6	4	SW FRONTERA.IHI
12/09/2011	04:44:49	27.7016	-18.0474	11	II	2.6	4	S FRONTERA.IHI
12/09/2011	06:48:21	27.7126	-18.0486	9	II	2.7	4	SW FRONTERA.IHI
13/09/2011	05:34:55	27.7104	-18.0451	11		2.5	4	SW FRONTERA.IHI
20/09/2011	02:05:26	27.7101	-18.0633	13		2.6	4	SW FRONTERA.IHI
20/09/2011	02:06:36	27.7099	-18.0685	13		2.5	4	SW FRONTERA.IHI
20/09/2011	02:13:56	27.7207	-18.0672	13		2.5	4	SW FRONTERA.IHI
20/09/2011	03:23:03	27.7150	-18.0697	13		2.6	4	SW FRONTERA.IHI
20/09/2011	03:28:36	27.7078	-18.0687	13	II	2.5	4	SW FRONTERA.IHI
21/09/2011	01:43:43	27.7063	-18.0593	13		2.5	4	SW FRONTERA.IHI
22/09/2011	05:06:31	27.7013	-18.0641	13	II	3.0	4	SW FRONTERA.IHI
23/09/2011	01:40:52	27.6907	-18.0728	14		3.0	4	SW FRONTERA.IHI
23/09/2011	02:07:05	27.6849	-18.0769	14		2.8	4	SW FRONTERA.IHI
23/09/2011	05:06:54	27.6910	-18.0636	12		2.6	4	SW FRONTERA.IHI
23/09/2011	07:35:03	27.6827	-18.0576	13		2.5	4	SW FRONTERA.IHI
23/09/2011	08:05:08	27.6949	-18.0739	14		2.5	4	SW FRONTERA.IHI
23/09/2011	13:15:27	27.6420	-18.0367	14		3.0	4	SW FRONTERA.IHI
24/09/2011	21:24:52	27.6523	-18.0298	13	IV	3.3	4	SW FRONTERA.IHI
24/09/2011	23:52:18	27.6875	-18.0777	15	III	3.2	4	SW FRONTERA.IHI
25/09/2011	00:24:59	27.6460	-18.0294	12	II	2.8	4	SW FRONTERA.IHI
26/09/2011	00:07:24	27.6923	-18.0744	14		2.5	4	SW FRONTERA.IHI
26/09/2011	00:38:09	27.6880	-18.0751	14		2.7	4	SW FRONTERA.IHI
26/09/2011	00:38:53	27.6945	-18.0776	14		2.6	4	SW FRONTERA.IHI
26/09/2011	01:27:52	27.6855	-18.0784	15		2.5	4	SW FRONTERA.IHI
26/09/2011	01:30:42	27.6890	-18.0791	16		2.6	4	SW FRONTERA.IHI
26/09/2011	01:33:09	27.6860	-18.0807	15		2.9	4	SW FRONTERA.IHI
26/09/2011	02:55:32	27.6895	-18.0789	15		2.8	4	SW FRONTERA.IHI
26/09/2011	09:47:17	27.6893	-18.0720	15		2.5	4	SW FRONTERA.IHI
27/09/2011	07:42:08	27.6751	-18.0748	16		2.6	4	SW FRONTERA.IHI
27/09/2011	07:58:22	27.6898	-18.0780	16		2.6	4	SW FRONTERA.IHI
27/09/2011	08:04:05	27.6995	-18.0919	15	II	2.9	4	SW FRONTERA.IHI
27/09/2011	08:16:28	27.6683	-18.0794	12	II	2.6	4	SW FRONTERA.IHI
27/09/2011	08:43:27	27.6807	-18.0809	15	II	2.7	4	SW FRONTERA.IHI
27/09/2011	09:32:15	27.6869	-18.0696	15	III	3.5	4	SW FRONTERA.IHI
27/09/2011	09:37:26	27.6896	-18.0802	16	II	2.7	4	SW FRONTERA.IHI
27/09/2011	09:53:21	27.6875	-18.0770	15		2.5	4	SW FRONTERA.IHI
27/09/2011	11:00:40	27.6555	-18.0775	14		2.6	4	SW FRONTERA.IHI
27/09/2011	11:23:54	27.6673	-18.0792	17		2.6	4	SW FRONTERA.IHI
27/09/2011	12:31:38	27.6731	-18.0643	16		2.8	4	SW FRONTERA.IHI
27/09/2011	12:35:54	27.6715	-18.0727	16		2.6	4	SW FRONTERA.IHI
27/09/2011	14:18:48	27.6312	-18.0193	13		2.7	4	S FRONTERA.IHI
27/09/2011	14:27:55	27.6839	-18.0784	17		2.6	4	SW FRONTERA.IHI
27/09/2011	14:38:48	27.6779	-18.0800	18	III	3.5	4	SW FRONTERA.IHI
27/09/2011	14:59:19	27.6758	-18.0722	16		2.5	4	SW FRONTERA.IHI
27/09/2011	15:39:31	27.6503	-18.0777	17		2.7	4	SW FRONTERA.IHI
27/09/2011	15:44:14	27.6797	-18.0756	16	IV	3.7	4	SW FRONTERA.IHI
27/09/2011	16:04:22	27.6271	-18.0605	11		2.6	4	SW FRONTERA.IHI
27/09/2011	16:11:27	27.6838	-18.0798	16		2.8	4	SW FRONTERA.IHI
27/09/2011	16:52:12	27.6560	-18.0716	14		2.5	4	SW FRONTERA.IHI
27/09/2011	17:02:59	27.6849	-18.0552	14		3.1	4	SW FRONTERA.IHI
27/09/2011	17:05:27	27.6856	-18.0775	15		2.8	4	SW FRONTERA.IHI
27/09/2011	17:10:34	27.6769	-18.0650	16	-1	3.5	4	SW FRONTERA.IHI
27/09/2011	17:42:59	27.6678	-18.0775	17		2.5	4	SW FRONTERA.IHI
27/09/2011	17:54:56	27.6506	-18.0746	17		2.9	4	SW FRONTERA.IHI
27/09/2011	19:18:48	27.6750	-18.0849	16		2.5	4	SW FRONTERA.IHI
27/09/2011	19:24:00	27.6723	-18.0744	16		3.0	4	SW FRONTERA.IHI
27/09/2011	19:37:06	27.6664	-18.0719	16	-1	3.1	4	SW FRONTERA.IHI
27/09/2011	19:40:37	27.6702	-18.0767	16		2.5	4	SW FRONTERA.IHI
27/09/2011	19:41:05	27.6742	-18.0697	15		2.8	4	SW FRONTERA.IHI
27/09/2011	19:43:15	27.6640	-18.0714	14		2.9	4	SW FRONTERA.IHI
27/09/2011	19:50:43	27.6808	-18.0794	16		2.5	4	SW FRONTERA.IHI
27/09/2011	21:33:45	27.6327	-18.0717	10		2.6	4	SW FRONTERA.IHI
27/09/2011	22:23:57	27.6508	-18.0533	12		2.9	4	SW FRONTERA.IHI
27/09/2011	22:37:07	27.6643	-18.0418	11	-1	3.0	4	SW FRONTERA.IHI
27/09/2011	22:45:12	27.6903	-18.0427	12		2.9	4	SW FRONTERA.IHI
27/09/2011	22:49:04	27.6975	-18.0380	13		2.7	4	SW FRONTERA.IHI
27/09/2011	22:50:50	27.6504	-18.0299	10		2.7	4	SW FRONTERA.IHI
27/09/2011	22:56:40	27.6958	-18.0902	16		2.8	4	SW FRONTERA.IHI
27/09/2011	22:57:20	27.6621	-18.0750	10		3.0	4	SW FRONTERA.IHI
27/09/2011	23:05:18	27.6718	-18.0608	15		2.8	4	SW FRONTERA.IHI
27/09/2011	23:06:30	27.6527	-18.0777	16		2.6	4	SW FRONTERA.IHI

[Technocrat]

Looks like there is some limited evacuation occurring. Also, note the yellow and green starbursts in the drawing, showing how the depth of the quakes relate to the position of the magma chamber.