Earthquake with magnitude of Md 2.1 on date 28-11-2001 and time 21:58:41 (UTC) in region 7 km E Pieve Santo Stefano (AR)

A magnitude Md 2.1 earthquake occured in region: 7 km E Pieve Santo Stefano (AR), on

  • 28-11-2001 21:58:41 (UTC)
  • 28-11-2001 22:58:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6440, 12.1280 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 7 3183 3183
Sansepolcro AR 8 15884 19067
Badia Tedalda AR 9 1087 20154
San Giustino PG 11 11297 31451
Caprese Michelangelo AR 11 1426 32877
Anghiari AR 13 5638 38515
Borgo Pace PU 14 606 39121
Sestino AR 16 1355 40476
Citerna PG 16 3531 44007
Casteldelci RN 17 407 44414
Chiusi della Verna AR 17 2023 46437
Mercatello sul Metauro PU 17 1378 47815
Monterchi AR 18 1757 49572
Verghereto FC 20 1907 51479

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of Arezzo (99543 inhabitants)
56 Km S of Cesena (96758 inhabitants)
58 Km SW of Rimini (147750 inhabitants)
63 Km NW of Perugia (166134 inhabitants)
65 Km S of Forlì (117913 inhabitants)
70 Km W of Pesaro (94582 inhabitants)
71 Km E of Firenze (382808 inhabitants)
74 Km E of Siena (53903 inhabitants)
74 Km S of Faenza (58541 inhabitants)
75 Km W of Fano (60888 inhabitants)
77 Km E of Scandicci (50609 inhabitants)
86 Km SE of Imola (69797 inhabitants)
86 Km S of Ravenna (159116 inhabitants)
87 Km E of Prato (191150 inhabitants)
90 Km NW of Foligno (57155 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 2001-11-28
21:58:41
43.644 12.128 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 432049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-11-28 21:58:41 ± 0.192
Latitude 43.6440 ± 0.0111
Longitude 12.1280 ± 0.0123
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 432049

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) 1582.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00567
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 432049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:47:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FSSB.Z. 2001-11-28T21:58:59.69 10.0 undecidable manual SG 83 0.4662 0.43 0.3
--.PGD.Z. 2001-11-28T21:58:55.59 10.0 undecidable manual SG 308 0.3663 -0.11 0.7
--.CSNT.Z. 2001-11-28T21:58:54.95 10.0 undecidable manual PG 254 0.6327 0.4 0.6
--.SFI.Z. 2001-11-28T21:58:53.51 10.0 undecidable manual SG 322 0.3219 -0.5 0.2
--.FSSB.Z. 2001-11-28T21:58:51.21 10.0 undecidable manual PG 83 0.4662 -0.43 0.6
--.PGD.Z. 2001-11-28T21:58:49.73 10.0 undecidable manual PG 308 0.3663 0.14 1.7
--.SFI.Z. 2001-11-28T21:58:48.92 10.0 undecidable manual PG 322 0.3219 0.31 1.1
--.CRE.Z. 2001-11-28T21:58:46.20 10.0 undecidable manual SG 259 0.1221 -0.51 0.2
--.CRE.Z. 2001-11-28T21:58:44.22 10.0 positive manual PG 259 0.1221 -0.07 3.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download