Earthquake with magnitude of Md 2.3 on date 07-12-2001 and time 01:07:23 (Italy) in region 1 km S Pieve Santo Stefano (AR)

A magnitude Md 2.3 earthquake occured in region: 1 km S Pieve Santo Stefano (AR), on

  • 07-12-2001 00:07:23 (UTC)
  • 07-12-2001 01:07:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6570, 12.0390 at 5 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
Pieve Santo Stefano AR 1 3183 3183
Caprese Michelangelo AR 4 1426 4609
Chiusi della Verna AR 10 2023 6632
Chitignano AR 13 899 7531
Sansepolcro AR 13 15884 23415
Anghiari AR 13 5638 29053
Badia Tedalda AR 13 1087 30140
Verghereto FC 16 1907 32047
Subbiano AR 16 6331 38378
Castel Focognano AR 16 3149 41527
San Giustino PG 16 11297 52824
Capolona AR 18 5438 58262
Casteldelci RN 18 407 58669
Bibbiena AR 18 12241 70910
Citerna PG 19 3531 74441
Monterchi AR 20 1757 76198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NE of Arezzo (99543 inhabitants)
56 Km SW of Cesena (96758 inhabitants)
62 Km SW of Rimini (147750 inhabitants)
63 Km S of Forlì (117913 inhabitants)
64 Km E of Firenze (382808 inhabitants)
67 Km NW of Perugia (166134 inhabitants)
68 Km NE of Siena (53903 inhabitants)
70 Km E of Scandicci (50609 inhabitants)
71 Km S of Faenza (58541 inhabitants)
76 Km W of Pesaro (94582 inhabitants)
80 Km E of Prato (191150 inhabitants)
82 Km W of Fano (60888 inhabitants)
82 Km SE of Imola (69797 inhabitants)
86 Km S of Ravenna (159116 inhabitants)
95 Km NW of Foligno (57155 inhabitants)
95 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 2.3 2001-12-07
00:07:23
43.657 12.039 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 432769
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-12-07 00:07:23 ± 0.202
Latitude 43.6570 ± 0.0113
Longitude 12.0390 ± 0.0162
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 432769

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 1806.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00664
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 432769
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:48:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 2001-12-07T00:07:50.61 10.0 undecidable manual SG 142 0.7326 0.23 0.5
--.ARV.Z. 2001-12-07T00:07:47.16 10.0 undecidable manual SG 103 0.666 -1.01 0.2
--.CSNT.Z. 2001-12-07T00:07:45.50 10.0 undecidable manual SG 251 0.5661 0.13 0.6
--.FSSB.Z. 2001-12-07T00:07:42.68 10.0 undecidable manual SG 85 0.5328 -1.03 0.2
--.ASS.Z. 2001-12-07T00:07:39.37 10.0 undecidable manual PG 142 0.7326 0.29 1.2
--.ARV.Z. 2001-12-07T00:07:39.48 10.0 undecidable manual PG 103 0.666 1.68 0.1
--.PGD.Z. 2001-12-07T00:07:36.90 10.0 undecidable manual SG 313 0.3108 0.14 0.7
--.CSNT.Z. 2001-12-07T00:07:35.92 10.0 undecidable manual PG 251 0.5661 0 1.6
--.SFI.Z. 2001-12-07T00:07:34.87 10.0 undecidable manual SG 330 0.2775 0.2 0.7
--.FSSB.Z. 2001-12-07T00:07:34.70 10.0 undecidable manual PG 85 0.5328 -1.16 0.4
--.RSM.Z. 2001-12-07T00:07:33.10 10.0 undecidable manual PG 47 0.3996 0.37 1.5
--.PGD.Z. 2001-12-07T00:07:30.61 10.0 undecidable manual PG 313 0.3108 -0.13 1.7
--.SFI.Z. 2001-12-07T00:07:29.93 10.0 undecidable manual PG 330 0.2775 -0.08 1.7
--.CRE.Z. 2001-12-07T00:07:26.78 10.0 undecidable manual SG 239 0.0666 -0.16 0.7
--.CRE.Z. 2001-12-07T00:07:25.27 10.0 positive manual PG 239 0.0666 -0.27 3.2
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