Earthquake with magnitude of Md 2.1 on date 02-12-2001 and time 21:33:10 (UTC) in region 3 km E Pieve Santo Stefano (AR)

A magnitude Md 2.1 earthquake occured in region: 3 km E Pieve Santo Stefano (AR), on

  • 02-12-2001 21:33:10 (UTC)
  • 02-12-2001 22:33:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6580, 12.0810 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 3 3183 3183
Caprese Michelangelo AR 8 1426 4609
Badia Tedalda AR 10 1087 5696
Sansepolcro AR 11 15884 21580
Chiusi della Verna AR 13 2023 23603
Anghiari AR 13 5638 29241
San Giustino PG 14 11297 40538
Chitignano AR 16 899 41437
Casteldelci RN 16 407 41844
Verghereto FC 17 1907 43751
Borgo Pace PU 17 606 44357
Citerna PG 18 3531 47888
Sestino AR 18 1355 49243
Subbiano AR 19 6331 55574
Monterchi AR 19 1757 57331
Castel Focognano AR 20 3149 60480

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Arezzo (99543 inhabitants)
55 Km S of Cesena (96758 inhabitants)
59 Km SW of Rimini (147750 inhabitants)
63 Km S of Forlì (117913 inhabitants)
66 Km NW of Perugia (166134 inhabitants)
67 Km E of Firenze (382808 inhabitants)
71 Km NE of Siena (53903 inhabitants)
72 Km S of Faenza (58541 inhabitants)
73 Km W of Pesaro (94582 inhabitants)
73 Km E of Scandicci (50609 inhabitants)
78 Km W of Fano (60888 inhabitants)
83 Km SE of Imola (69797 inhabitants)
83 Km E of Prato (191150 inhabitants)
85 Km S of Ravenna (159116 inhabitants)
93 Km NW of Foligno (57155 inhabitants)
98 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 2.1 2001-12-02
21:33:10
43.658 12.081 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 432419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-12-02 21:33:10 ± 0.741
Latitude 43.6580 ± 0.0119
Longitude 12.0810 ± 0.0515
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 432419

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) 4350.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 282
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00534
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 432419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:48:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CSNT.Z. 2001-12-02T21:33:33.20 10.0 undecidable manual SG 252 0.5883 0.7 0.2
--.CSNT.Z. 2001-12-02T21:33:23.65 10.0 undecidable manual PG 252 0.5883 0.51 0.7
--.PGD.Z. 2001-12-02T21:33:23.66 10.0 undecidable manual SG 310 0.333 0.16 0.7
--.SFI.Z. 2001-12-02T21:33:21.84 10.0 undecidable manual SG 325 0.2997 -0.12 0.7
--.PGD.Z. 2001-12-02T21:33:18.42 10.0 undecidable manual PG 310 0.333 0.48 1.1
--.SFI.Z. 2001-12-02T21:33:16.53 10.0 undecidable manual PG 325 0.2997 -0.52 1
--.CRE.Z. 2001-12-02T21:33:13.80 10.0 undecidable manual SG 247 0.0999 -0.81 0.2
--.CRE.Z. 2001-12-02T21:33:12.57 10.0 positive manual PG 247 0.0999 -0.23 3.4
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