Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 13-02-2009 and time 07:48:02 (Italy) in region 4 km SE Pieve Santo Stefano (AR)

A magnitude ML 2.4 earthquake occured in region: 4 km SE Pieve Santo Stefano (AR), on

  • 13-02-2009 06:48:02 (UTC)
  • 13-02-2009 07:48:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6500, 12.0800 at 6 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
Pieve Santo Stefano AR 4 3183 3183
Caprese Michelangelo AR 8 1426 4609
Sansepolcro AR 10 15884 20493
Badia Tedalda AR 11 1087 21580
Anghiari AR 12 5638 27218
Chiusi della Verna AR 13 2023 29241
San Giustino PG 14 11297 40538
Chitignano AR 16 899 41437
Citerna PG 17 3531 44968
Casteldelci RN 17 407 45375
Verghereto FC 17 1907 47282
Borgo Pace PU 17 606 47888
Monterchi AR 18 1757 49645
Sestino AR 19 1355 51000
Subbiano AR 19 6331 57331
Castel Focognano AR 20 3149 60480

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Arezzo (99543 inhabitants)
56 Km S of Cesena (96758 inhabitants)
60 Km SW of Rimini (147750 inhabitants)
64 Km S of Forlì (117913 inhabitants)
65 Km NW of Perugia (166134 inhabitants)
68 Km E of Firenze (382808 inhabitants)
71 Km NE of Siena (53903 inhabitants)
73 Km S of Faenza (58541 inhabitants)
73 Km W of Pesaro (94582 inhabitants)
73 Km E of Scandicci (50609 inhabitants)
79 Km W of Fano (60888 inhabitants)
83 Km E of Prato (191150 inhabitants)
84 Km SE of Imola (69797 inhabitants)
86 Km S of Ravenna (159116 inhabitants)
92 Km NW of Foligno (57155 inhabitants)
99 Km E of Pistoia (90315 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 		Md 2.4
ML 2.4 		2009-02-13
06:48:02		 43.65 12.08 6 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 743369
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-13 06:48:02 ± 0.07
Latitude 43.6500 ± 0.0045
Longitude 12.0800 ± 0.0050
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 743369

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 581
Semi-minor axis of confidence ellipse (meter) 247
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 28
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.12595
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 743369
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:03:31

Md:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 743369
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:03:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHN. 2009-02-13T06:48:30.51 10.0 undecidable manual Sg 0 0 0
IV.MGAB.HHZ. 2009-02-13T06:48:28.34 0.6 undecidable manual Sg 178 81.8514 0.317 43
IV.NRCA.HHN. 2009-02-13T06:48:25.48 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHN. 2009-02-13T06:48:25.92 0.6 undecidable manual Sg 103 71.2731 0.73 38
IV.PII.SHZ. 2009-02-13T06:48:24.63 0.3 undecidable manual Pg 274 124.986 0.726 52
IV.CSNT.HHZ. 2009-02-13T06:48:23.79 0.6 undecidable manual Sg 253 66.4779 -0.119 46
IV.GRFL.SHZ. 2009-02-13T06:48:21.20 0.3 undecidable manual Pg 238 105.117 0.364 61
IV.FSSB.HHZ. 2009-02-13T06:48:21.24 0.6 undecidable manual Sg 85 56.0994 0.092 47
IV.MURB.HHZ. 2009-02-13T06:48:21.06 0.6 undecidable manual Sg 140 55.8996 -0.035 48
IV.VMG.SHZ. 2009-02-13T06:48:21.20 0.6 undecidable manual Sg 309 55.1004 0.327 45
IV.SNTG.SHZ. 2009-02-13T06:48:17.02 0.1 undecidable manual Pg 122 82.0512 -0.261 87
IV.MGAB.HHZ. 2009-02-13T06:48:17.43 0.3 undecidable manual Pg 178 81.8514 0.17 66
IV.SEI.SHZ. 2009-02-13T06:48:16.10 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2009-02-13T06:48:15.82 0.1 undecidable manual Sg 109 38.7279 -0.321 93
IV.CSNT.HHZ. 2009-02-13T06:48:15.00 0.3 undecidable manual Pg 253 66.4779 0.115 69
IV.ARVD.HHN. 2009-02-13T06:48:15.63 0.1 undecidable manual Pg 103 71.2731 0.007 93
IV.SBPO.HHN. 2009-02-13T06:48:14.06 10.0 undecidable manual Pg 0 0 0
IV.SFI.EHN. 2009-02-13T06:48:14.27 0.3 undecidable manual Sg 327 33.8439 -0.204 72
IV.CAFI.HHZ. 2009-02-13T06:48:14.78 0.3 undecidable manual Sg 194 36.8298 -0.705 62
IV.VMG.SHZ. 2009-02-13T06:48:12.94 0.6 undecidable manual Pg 309 55.1004 -0.192 46
IV.ASQU.HHZ. 2009-02-13T06:48:12.31 0.3 undecidable manual Sg 305 28.4493 -0.311 71
IV.FSSB.HHZ. 2009-02-13T06:48:12.84 0.1 undecidable manual Pg 85 56.0994 -0.451 88
IV.MURB.HHZ. 2009-02-13T06:48:12.94 0.3 undecidable manual Pg 140 55.8996 -0.321 68
IV.CDCA.EHZ. 2009-02-13T06:48:11.23 0.3 undecidable manual Sg 150 24.6531 -0.109 75
IV.BADI.EHN. 2009-02-13T06:48:10.28 0.6 undecidable manual Sg 140 20.4684 0.341 48
IV.CAFI.HHZ. 2009-02-13T06:48:09.68 0.1 positive manual Pg 194 36.8298 -0.341 93
IV.PIEI.HHE. 2009-02-13T06:48:09.87 0.3 undecidable manual Pg 109 38.7279 -0.531 66
IV.SFI.EHN. 2009-02-13T06:48:09.18 0.1 undecidable manual Pg 327 33.8439 -0.258 95
IV.PARC.HHZ. 2009-02-13T06:48:08.00 0.3 undecidable manual Sg 91 12.7761 0.578 68
IV.ASQU.HHZ. 2009-02-13T06:48:08.19 0.1 positive manual Pg 305 28.4493 -0.178 98
IV.BADI.EHN. 2009-02-13T06:48:07.06 0.1 undecidable manual Pg 140 20.4684 0.242 98
IV.CRE.HHN. 2009-02-13T06:48:07.28 0.3 undecidable manual Sg 251 10.878 0.43 71
IV.CDCA.EHZ. 2009-02-13T06:48:07.54 0.1 undecidable manual Pg 150 24.6531 -0.088 100
IV.CRE.HHN. 2009-02-13T06:48:05.44 0.1 positive manual Pg 251 10.878 0.405 96
IV.PARC.HHZ. 2009-02-13T06:48:05.87 0.1 positive manual Pg 91 12.7761 0.503 93
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
Waveforms Seismic signals in miniseed + resp format Download