Earthquake with magnitude of ML 1.2 on date 31-12-2013 and time 14:47:36 (UTC) in region 6 km N Montale (PT)

A magnitude ML 1.2 earthquake occured in region: 6 km N Montale (PT), on

  • 31-12-2013 14:47:36 (UTC)
  • 31-12-2013 15:47:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9910, 11.0000 at 11 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Montale PT 6 10737 10737
Montemurlo PO 8 18456 29193
Pistoia PT 9 90315 119508
Cantagallo PO 10 3105 122613
Agliana PT 10 17525 140138
Vaiano PO 10 9895 150033
Sambuca Pistoiese PT 13 1626 151659
Vernio PO 14 6060 157719
Prato PO 14 191150 348869
Quarrata PT 16 26190 375059
Serravalle Pistoiese PT 16 11659 386718
San Marcello Pistoiese PT 18 6416 393134
Alto Reno Terme BO 18 6960 400094
Piteglio PT 19 1683 401777
Barberino di Mugello FI 19 10836 412613
Calenzano FI 19 17489 430102
Marliana PT 19 3210 433312
Castel di Casio BO 20 3448 436760
Carmignano PO 20 14450 451210
Poggio a Caiano PO 20 10007 461217
Monsummano Terme PT 20 21338 482555

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km NE of Pistoia (90315 inhabitants)
14 Km NW of Prato (191150 inhabitants)
30 Km NW of Scandicci (50609 inhabitants)
32 Km NW of Firenze (382808 inhabitants)
43 Km E of Lucca (89046 inhabitants)
57 Km NE of Pisa (89158 inhabitants)
62 Km E of Viareggio (62467 inhabitants)
62 Km SW of Bologna (386663 inhabitants)
69 Km E of Massa (69479 inhabitants)
70 Km SW of Imola (69797 inhabitants)
73 Km E of Carrara (63133 inhabitants)
73 Km S of Modena (184973 inhabitants)
74 Km NE of Livorno (159219 inhabitants)
78 Km W of Faenza (58541 inhabitants)
79 Km NW of Siena (53903 inhabitants)
84 Km SE of Reggio nell'Emilia (171345 inhabitants)
87 Km W of Forlì (117913 inhabitants)
89 Km S of Carpi (70699 inhabitants)
92 Km NW of Arezzo (99543 inhabitants)
95 Km E of La Spezia (93959 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 1.2 2013-12-31
14:47:36
43.9907 11.0005 11 2015-01-20
11:30:49
Bollettino Sismico Italiano INGV 6070561
Reviewed
Rev100
ML 1.2 2013-12-31
14:47:36
43.9887 11.0047 12 2014-10-21
12:08:56
Sala Sismica INGV-Roma 5128221
Reviewed
Rev200
ML 1.2 2013-12-31
14:47:36
43.995 11.003 11 2014-10-21
12:08:56
Sala Sismica INGV-Roma 5128231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-12-31 14:47:36 ± 0.05
Latitude 43.9907 ± 0.0036
Longitude 11.0005 ± 0.0038
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 6070561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 405
Semi-minor axis of confidence ellipse (meter) 309
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 356
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.03777
Epicentral distance of station farthest from the epicenter (degree) 0.37412
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 5128221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-12-31 14:53:37

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 6070561
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:27:49

ML:1.2

Field Value
Value 1.2
Uncertainty 1.2
Num. used stations
Type of magnitude ML
Reference to an origin 5128231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-12-31 14:54:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.MAIM.HHZ. 2013-12-31T14:47:49.91 0.3 undecidable manual S 258 41.5251 50 -0.3 64
IV.SEI.HHZ. 2013-12-31T14:47:46.80 0.3 undecidable manual S 76 29.4483 50 -0.18 68
IV.FNVD.HHE. 2013-12-31T14:47:45.01 0.6 undecidable manual S 26 21.9669 50 0.02 48
IV.CRMI.HHE. 2013-12-31T14:47:44.95 0.3 undecidable manual S 184 21.6672 50 0.03 72
GU.MAIM.HHZ. 2013-12-31T14:47:44.64 0.3 undecidable manual P 258 41.5251 50 0.15 71
GU.POPM.HHZ. 2013-12-31T14:47:44.53 0.1 undecidable manual S 287 20.3685 50 -0.03 96
IV.SEI.HHZ. 2013-12-31T14:47:42.51 0.1 undecidable manual P 76 29.4483 50 -0.11 93
GU.POPM.HHZ. 2013-12-31T14:47:41.41 0.1 undecidable manual P 287 20.3685 50 0.19 97
IV.FNVD.HHE. 2013-12-31T14:47:41.59 0.1 undecidable manual P 26 21.9669 50 0.12 98
IV.CRMI.HHE. 2013-12-31T14:47:41.59 0.1 undecidable manual P 184 21.6672 50 0.16 98
IV.MTCR.EHZ. 2013-12-31T14:47:40.72 0.1 undecidable manual S 2 4.1958 159 -0.04 100
IV.PTF.SHZ. 2013-12-31T14:47:40.91 0.1 undecidable manual S 121 6.4935 150 -0.19 99
IV.MTCR.EHZ. 2013-12-31T14:47:39.24 0.1 undecidable manual P 2 4.1958 159 0.21 96
IV.PTF.SHZ. 2013-12-31T14:47:39.31 0.1 undecidable manual P 121 6.4935 150 0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHE. ML:1.2 0.0001067 0.2 AML other m 2013-12-31T14:47:45.19
GU.POPM.HHN. ML:1.4 0.0001575 0.14 AML other m 2013-12-31T14:47:45.10
IV.SEI.HHE. ML:1.0 0.000046700000000000003 1.46 AML other m 2013-12-31T14:47:47.98
IV.SEI.HHN. ML:1.3 0.00008900000000000001 0.22 AML other m 2013-12-31T14:47:47.98
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