Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 13-02-2016 and time 16:05:32 (Italy) in region 6 km S Radicondoli (SI)

A magnitude ML 2.0 earthquake occured in region: 6 km S Radicondoli (SI), on

  • 13-02-2016 15:05:32 (UTC)
  • 13-02-2016 16:05:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2070, 11.0350 at 9 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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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Radicondoli SI 6 914 914
Chiusdino SI 7 1903 2817
Montieri GR 9 1204 4021
Castelnuovo di Val di Cecina PI 10 2231 6252
Monticiano SI 14 1571 7823
Casole d'Elsa SI 15 3897 11720
Monterotondo Marittimo GR 16 1371 13091
Pomarance PI 17 5897 18988
Sovicille SI 18 10116 29104

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Siena (53903 inhabitants)
50 Km N of Grosseto (82087 inhabitants)
63 Km S of Scandicci (50609 inhabitants)
65 Km S of Firenze (382808 inhabitants)
70 Km SE of Livorno (159219 inhabitants)
74 Km W of Arezzo (99543 inhabitants)
75 Km S of Prato (191150 inhabitants)
76 Km SE of Pisa (89158 inhabitants)
81 Km S of Pistoia (90315 inhabitants)
83 Km SE of Lucca (89046 inhabitants)
97 Km SE of Viareggio (62467 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 2.0 2016-02-13
15:05:32		 43.2072 11.0353 9 2016-05-17
13:17:25		 Bollettino Sismico Italiano INGV 24261401
Reviewed
Rev100 		ML 1.7 2016-02-13
15:05:32		 43.206 11.0417 9 2016-02-13
15:21:08		 Sala Sismica INGV-Roma 23485211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-02-13 15:05:32 ± 0.1
Latitude 43.2072 ± 0.0045
Longitude 11.0353 ± 0.0074
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 24261401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 689
Semi-minor axis of confidence ellipse (meter) 227
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 125
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.91191
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 24261401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-04-13 07:57:27

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 23485211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-02-13 15:21:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2016-02-13T15:07:17.99 3.0 undecidable manual Sn -2.92 0
SI.BOSI.HHZ. 2016-02-13T15:07:16.99 3.0 undecidable manual Sg 11.7 0
IV.LIK.EHZ.01 2016-02-13T15:06:55.99 3.0 undecidable manual Sg 9.88 0
IV.ARVD.HHZ. 2016-02-13T15:06:19.99 3.0 undecidable manual S 0.57 0
IV.GAG1.HNZ. 2016-02-13T15:05:59.82 3.0 undecidable manual P 0.44 0
IV.MAON.HHZ. 2016-02-13T15:05:58.45 0.3 undecidable manual S 175 86.7465 50 0.08 67
IV.CELB.HHZ. 2016-02-13T15:05:57.54 0.3 undecidable manual S 233 84.249 50 -0.15 66
IV.CAFI.HHZ. 2016-02-13T15:05:56.17 0.1 undecidable manual S 79 76.368 50 0.56 81
IV.RUFI.EHZ. 2016-02-13T15:05:56.28 0.3 undecidable manual S 28 79.6647 50 -0.2 66
IV.CRMI.HHZ. 2016-02-13T15:05:52.56 0.3 undecidable manual S 356 65.3901 50 -0.12 69
IV.BDI.HHE. 2016-02-13T15:05:49.97 1.0 undecidable manual P 340 101.2209 50 0.4 20
IV.GROG.HHE. 2016-02-13T15:05:49.22 0.3 undecidable manual P 285 95.4378 50 0.55 59
IV.ARCI.HHZ. 2016-02-13T15:05:48.89 0.3 undecidable manual S 138 53.2023 50 -0.51 65
IV.CELB.HHZ. 2016-02-13T15:05:47.13 0.6 undecidable manual P 233 84.249 50 0.19 44
IV.MAON.HHZ. 2016-02-13T15:05:47.62 0.3 undecidable manual P 175 86.7465 50 0.29 64
IV.CASP.HHZ. 2016-02-13T15:05:47.40 0.3 undecidable manual S 197 48.2184 50 -0.68 61
IV.RUFI.EHZ. 2016-02-13T15:05:46.36 0.1 undecidable manual P 28 79.6647 50 0.12 89
IV.CAFI.HHZ. 2016-02-13T15:05:46.11 0.3 undecidable manual P 79 76.368 50 0.37 64
IV.OSSC.HHZ. 2016-02-13T15:05:45.06 0.3 undecidable manual S 26 39.0276 50 -0.56 65
IV.CSNT.HHZ. 2016-02-13T15:05:44.23 0.3 undecidable manual S 35 35.9418 50 -0.58 65
IV.CRMI.HHZ. 2016-02-13T15:05:44.30 0.6 undecidable manual P 356 65.3901 50 0.25 45
IV.ARCI.HHZ. 2016-02-13T15:05:42.54 0.3 undecidable manual P 138 53.2023 50 0.38 67
IV.CASP.HHZ. 2016-02-13T15:05:41.61 0.3 undecidable manual P 197 48.2184 50 0.22 70
IV.OSSC.HHZ. 2016-02-13T15:05:40.07 0.3 undecidable manual P 26 39.0276 50 0.1 72
IV.CSNT.HHZ. 2016-02-13T15:05:39.51 0.1 undecidable manual P 35 35.9418 50 0.01 99
IV.TRIF.HHZ. 2016-02-13T15:05:37.90 0.3 undecidable manual S 226 14.874 121 -0.35 72
IV.FROS.HHZ. 2016-02-13T15:05:36.40 0.3 undecidable manual S 88 9.7791 132 -0.42 71
IV.FROS.HHZ. 2016-02-13T15:05:35.07 0.1 positive manual P 88 9.7791 132 0.18 100
IV.TRIF.HHZ. 2016-02-13T15:05:35.81 0.3 undecidable manual P 226 14.874 121 0.1 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CASP.HHN. ML:2.2 0.0004345 0.22 AML other m 2016-02-13T15:05:47.75
IV.CASP.HHE. ML:2.1 0.0003205 0.22 AML other m 2016-02-13T15:05:51.98
IV.CELB.HHE. ML:2.2 0.000221 1.08 AML other m 2016-02-13T15:06:01.36
IV.CELB.HHN. ML:2.2 0.00023 0.88 AML other m 2016-02-13T15:06:02.29
IV.CRMI.HHE. ML:1.6 0.000069005 1.42 AML other m 2016-02-13T15:05:54.45
IV.CRMI.HHN. ML:1.5 0.0000622 1.58 AML other m 2016-02-13T15:06:57.35
IV.CSNT.HHE. ML:1.9 0.0003045 0.56 AML other m 2016-02-13T15:05:45.25
IV.CSNT.HHN. ML:1.8 0.0002235 0.18 AML other m 2016-02-13T15:05:44.98
IV.FROS.HHN. ML:2.6 0.005425000000000001 0.6 AML other m 2016-02-13T15:05:36.93
IV.FROS.HHE. ML:2.8 0.00924 0.62 AML other m 2016-02-13T15:05:36.95
IV.OSSC.HHN. ML:1.6 0.0001585 0.44 AML other m 2016-02-13T15:05:48.72
IV.OSSC.HHE. ML:1.7 0.0001865 1.02 AML other m 2016-02-13T15:05:48.22
IV.RUFI.EHN. ML:1.6 0.000056999999999999996 0.58 AML other m 2016-02-13T15:06:02.23
IV.RUFI.EHE. ML:1.8 0.0000975 0.76 AML other m 2016-02-13T15:05:59.64
IV.TRIF.HHE. ML:3.0 0.00997 0.2 AML other m 2016-02-13T15:05:38.62
IV.TRIF.HHN. ML:3.0 0.009984999999999999 0.7 AML other m 2016-02-13T15:05:38.73
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download