Earthquake 6 km SE San Casciano in Val di Pesa (FI), Magnitude ML 2.1, 19 December 2014 time 21:59:54 (Timezone Italy)

A magnitude ML 2.1 earthquake occured in region: 6 km SE San Casciano in Val di Pesa (FI), on

19-12-2014 20:59:54 (UTC)
19-12-2014 21:59:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6120, 11.2260 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Display location by

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).

Municipality	Region	Distance (km)	Inhabitants	Cumulative Inhabitants
San Casciano in Val di Pesa	FI	6	17062	17062
Tavarnelle Val di Pesa	FI	7	7800	24862
Greve in Chianti	FI	8	13862	38724
Impruneta	FI	9	14615	53339
Barberino Val d'Elsa	FI	9	4386	57725
Montespertoli	FI	13	13537	71262
Certaldo	FI	16	16121	87383
Castellina in Chianti	SI	17	2859	90242
Scandicci	FI	17	50609	140851
Bagno a Ripoli	FI	17	25611	166462
Poggibonsi	SI	17	29196	195658
Firenze	FI	18	382808	578466
Radda in Chianti	SI	18	1613	580079
Figline e Incisa Valdarno	FI	19	23505	603584

Municipalities with at least 50000 inhabitants

An earthquake occurred to

17 Km S of Scandicci (50609 inhabitants)

18 Km S of Firenze (382808 inhabitants)

32 Km SE of Prato (191150 inhabitants)

34 Km N of Siena (53903 inhabitants)

44 Km SE of Pistoia (90315 inhabitants)

55 Km W of Arezzo (99543 inhabitants)

64 Km E of Lucca (89046 inhabitants)

67 Km E of Pisa (89158 inhabitants)

74 Km E of Livorno (159219 inhabitants)

83 Km E of Viareggio (62467 inhabitants)

91 Km SW of Imola (69797 inhabitants)

92 Km SW of Faenza (58541 inhabitants)

94 Km SW of Forlì (117913 inhabitants)

95 Km N of Grosseto (82087 inhabitants)

99 Km S of Bologna (386663 inhabitants)

99 Km E of Massa (69479 inhabitants)

Recent and historical seismicity

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Bulletin Rev1000	ML 2.1	2014-12-19 20:59:54	43.6123	11.2258	10	2015-01-09 10:55:56	Bollettino Sismico Italiano INGV	16450681
Reviewed Rev100	ML 2.1	2014-12-19 20:59:54	43.6317	11.2177	7	2014-12-19 21:07:04	Sala Sismica INGV-Roma	15038011

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2014-12-19 20:59:54 ± 0.08
Latitude	43.6123 ± 0.0036
Longitude	11.2258 ± 0.0050
Depth (km)	10 ± 1 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	16450681

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	366
Semi-minor axis of confidence ellipse (meter)	321
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	80
Circular confidence region, given by single value of horizontal uncertainty (meter)	370.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	77
Number of associated phases, regardless of their use for origin computation	27
Number of defining phases	27
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.23
Epicentral distance of station closest to the epicenter (degree)	0.08993
Epicentral distance of station farthest from the epicenter (degree)	0.60974
Number of stations at which the event was observed	14
Number of stations from which data was used for origin computation	14

Magnitudes information

ML:2.1

Field	Value
Value	2.1
Uncertainty	0.3
Num. used stations	15
Type of magnitude	ML
Reference to an origin	16450681
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2015-01-09 10:38:23

ML:2.1

Field	Value
Value	2.1
Uncertainty	0.3
Num. used stations	16
Type of magnitude	ML
Reference to an origin	15038011
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2014-12-19 21:07:03

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.CAFI.HHZ.	2014-12-19T21:00:15.14	0.1	undecidable	manual	S	118	67.377	50	-0.31	86
GU.MAIM.HHZ.	2014-12-19T21:00:15.65	0.3	undecidable	manual	S	300	67.6767	50	0.11	67
IV.TRIF.HHZ.	2014-12-19T21:00:14.31	0.6	undecidable	manual	S	205	60.9945	50	0.55	41
IV.LMD.HHZ.	2014-12-19T21:00:14.73	0.3	undecidable	manual	S	37	64.3911	50	0.07	68
IV.SFI.EHZ.	2014-12-19T21:00:13.42	0.6	undecidable	manual	S	57	59.3961	50	0.1	46
IV.CRE.HHZ.	2014-12-19T21:00:13.50	0.3	undecidable	manual	S	89	58.2972	50	0.47	63
IV.PII.HHZ.	2014-12-19T21:00:12.36	0.3	undecidable	manual	S	282	57.498	50	-0.47	63
IV.ASQU.HHZ.	2014-12-19T21:00:10.56	0.3	undecidable	manual	S	65	49.617	50	-0.15	69
IV.FROS.HHZ.	2014-12-19T21:00:09.17	0.1	undecidable	manual	S	187	45.0216	50	-0.31	90
IV.PTF.SHZ.	2014-12-19T21:00:08.32	0.3	undecidable	manual	S	342	40.626	50	0.02	72
GU.MAIM.HHZ.	2014-12-19T21:00:07.14	0.1	undecidable	manual	P	300	67.6767	50	0.42	84
IV.CAFI.HHZ.	2014-12-19T21:00:06.93	0.1	undecidable	manual	P	118	67.377	50	0.25	87
IV.LMD.HHZ.	2014-12-19T21:00:06.58	0.6	positive	manual	P	37	64.3911	50	0.36	43
IV.SFI.EHZ.	2014-12-19T21:00:05.55	0.1	undecidable	manual	P	57	59.3961	50	0.1	91
IV.CRE.HHZ.	2014-12-19T21:00:05.33	0.1	undecidable	manual	P	89	58.2972	50	0.05	92
IV.TRIF.HHZ.	2014-12-19T21:00:05.90	0.1	undecidable	manual	P	205	60.9945	50	0.2	89
IV.PII.HHZ.	2014-12-19T21:00:05.33	0.1	positive	manual	P	282	57.498	50	0.17	90
IV.CRMI.HHZ.	2014-12-19T21:00:04.65	0.6	undecidable	manual	S	316	28.3494	50	-0.38	45
IV.FROS.HHZ.	2014-12-19T21:00:03.33	0.6	negative	manual	P	187	45.0216	50	0.1	47
IV.ASQU.HHZ.	2014-12-19T21:00:03.64	0.1	positive	manual	P	65	49.617	50	-0.3	89
IV.PTF.SHZ.	2014-12-19T21:00:02.38	0.3	positive	manual	P	342	40.626	50	-0.17	70
IV.RUFI.EHZ.	2014-12-19T21:00:01.20	0.1	positive	manual	P	42	33.8439	50	-0.3	92
IV.CRMI.HHZ.	2014-12-19T21:00:00.58	0.1	positive	manual	P	316	28.3494	50	-0.08	97
IV.CSNT.HHZ.	2014-12-19T21:00:00.99	0.6	undecidable	manual	S	161	16.2726	121	-0.26	48
IV.OSSC.HHZ.	2014-12-19T20:59:59.48	0.6	undecidable	manual	S	171	9.9789	134	-0.02	51
IV.CSNT.HHZ.	2014-12-19T20:59:58.40	0.1	negative	manual	P	161	16.2726	121	-0.08	99
IV.OSSC.HHZ.	2014-12-19T20:59:57.54	0.1	negative	manual	P	171	9.9789	134	0.08	100

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.ASQU.HHN.	ML:2.2	0.000376	0.42	AML	other	m	2014-12-19T21:01:05.26
IV.ASQU.HHE.	ML:2.3	0.0005615	0.34	AML	other	m	2014-12-19T21:01:05.39
IV.BADI.EHE.	ML:2.0	0.00011949999999999999	0.76	AML	other	m	2014-12-19T21:01:16.74
IV.BADI.EHN.	ML:1.9	0.00010960000000000001	1.54	AML	other	m	2014-12-19T21:01:21.05
IV.CAFI.HHE.	ML:2.0	0.000157	0.46	AML	other	m	2014-12-19T21:01:09.54
IV.CAFI.HHN.	ML:1.8	0.0001154	0.68	AML	other	m	2014-12-19T21:01:10.16
IV.CASP.HHE.	ML:1.7	0.000053349999999999996	0.66	AML	other	m	2014-12-19T21:01:21.82
IV.CASP.HHN.	ML:1.7	0.000057100000000000006	0.82	AML	other	m	2014-12-19T21:01:23.52
IV.CRE.HHE.	ML:2.1	0.000277	0.34	AML	other	m	2014-12-19T21:01:09.93
IV.CRE.HHN.	ML:2.0	0.00022899999999999998	0.44	AML	other	m	2014-12-19T21:01:11.75
IV.CRMI.HHE.	ML:1.7	0.0002465	0.42	AML	other	m	2014-12-19T21:00:59.77
IV.CRMI.HNE.	ML:2.0	0.000593	0.42	AML	other	m	2014-12-19T21:00:59.77
IV.CRMI.HNN.	ML:1.9	0.00036950000000000004	0.32	AML	other	m	2014-12-19T21:00:59.33
IV.CRMI.HHN.	ML:1.5	0.00015900000000000002	0.32	AML	other	m	2014-12-19T21:00:59.33
IV.CSNT.HHN.	ML:2.5	0.0027400000000000002	0.54	AML	other	m	2014-12-19T21:00:55.52
IV.CSNT.HHE.	ML:2.3	0.0015750000000000002	0.22	AML	other	m	2014-12-19T21:00:55.53
IV.FROS.HHE.	ML:2.6	0.00123	0.18	AML	other	m	2014-12-19T21:01:03.97
IV.FROS.HHN.	ML:2.6	0.0010950000000000003	0.6	AML	other	m	2014-12-19T21:01:04.42
IV.LMD.HHE.	ML:2.1	0.000235	1.58	AML	other	m	2014-12-19T21:01:10.37
IV.LMD.HHN.	ML:2.2	0.0003115	0.14	AML	other	m	2014-12-19T21:01:10.09
GU.MAIM.HHN.	ML:1.6	0.00007085	0.6	AML	other	m	2014-12-19T21:01:12.65
GU.MAIM.HHE.	ML:1.6	0.0000748	0.8	AML	other	m	2014-12-19T21:01:14.00
IV.PARC.HHN.	ML:2.1	0.00016549999999999998	0.28	AML	other	m	2014-12-19T21:01:14.44
IV.PARC.HHE.	ML:1.8	0.0000973	0.8	AML	other	m	2014-12-19T21:01:14.60
IV.PII.HHN.	ML:2.3	0.0004275	0.32	AML	other	m	2014-12-19T21:01:08.89
IV.PII.HHE.	ML:2.3	0.000407	0.26	AML	other	m	2014-12-19T21:01:08.89
IV.RUFI.EHE.	ML:2.4	0.001071	0.54	AML	other	m	2014-12-19T21:01:01.09
IV.RUFI.EHN.	ML:2.3	0.0008955	0.26	AML	other	m	2014-12-19T21:01:01.04
IV.SFI.EHE.	ML:2.1	0.00028000000000000003	0.22	AML	other	m	2014-12-19T21:01:07.96
IV.SFI.EHN.	ML:2.0	0.0002235	0.26	AML	other	m	2014-12-19T21:01:08.05
IV.TRIF.HHE.	ML:2.4	0.000503	0.58	AML	other	m	2014-12-19T21:01:09.27
IV.TRIF.HHN.	ML:2.4	0.000464	0.56	AML	other	m	2014-12-19T21:01:09.69

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Fault Plane solutions in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download
Waveforms	Seismic signals in miniseed + resp format	Download

Earthquake with magnitude of ML 2.1 on date 19-12-2014 and time 21:59:54 (Italy) in region 6 km SE San Casciano in Val di Pesa (FI)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:2.1

ML:2.1