Earthquake with magnitude of Md 2.1 on date 15-04-2001 and time 10:41:15 (UTC) in region 7 km NE Sansepolcro (AR)

A magnitude Md 2.1 earthquake occured in region: 7 km NE Sansepolcro (AR), on

  • 15-04-2001 10:41:15 (UTC)
  • 15-04-2001 12:41:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6320, 12.1800 at 10 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
Sansepolcro AR 7 15884 15884
Badia Tedalda AR 8 1087 16971
San Giustino PG 9 11297 28268
Borgo Pace PU 10 606 28874
Pieve Santo Stefano AR 12 3183 32057
Mercatello sul Metauro PU 13 1378 33435
Sestino AR 13 1355 34790
Anghiari AR 14 5638 40428
Caprese Michelangelo AR 16 1426 41854
Citerna PG 16 3531 45385
Monterchi AR 17 1757 47142
Casteldelci RN 18 407 47549
Belforte all'Isauro PU 19 769 48318
Sant'Angelo in Vado PU 19 4133 52451
CittĂ  di Castello PG 20 39913 92364

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Arezzo (99543 inhabitants)
56 Km S of Cesena (96758 inhabitants)
57 Km SW of Rimini (147750 inhabitants)
61 Km N of Perugia (166134 inhabitants)
67 Km W of Pesaro (94582 inhabitants)
67 Km S of Forlì (117913 inhabitants)
72 Km W of Fano (60888 inhabitants)
76 Km E of Firenze (382808 inhabitants)
77 Km SE of Faenza (58541 inhabitants)
77 Km E of Siena (53903 inhabitants)
81 Km E of Scandicci (50609 inhabitants)
86 Km NW of Foligno (57155 inhabitants)
87 Km S of Ravenna (159116 inhabitants)
89 Km SE of Imola (69797 inhabitants)
91 Km E of Prato (191150 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 2001-04-15
10:41:15
43.632 12.18 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 415739
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-04-15 10:41:15 ± 0.293
Latitude 43.6320 ± 0.0247
Longitude 12.1800 ± 0.0179
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 415739

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) 3101.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.00591
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 5
Type of magnitude Md
Reference to an origin 415739
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:31:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PGD.Z. 2001-04-15T10:41:30.47 10.0 undecidable manual SG 306 0.3996 0.03 0.7
--.FB9.Z. 2001-04-15T10:41:30.28 10.0 undecidable manual SG 81 0.4329 -0.95 0.2
--.CSNT.Z. 2001-04-15T10:41:29.80 10.0 undecidable manual PG 256 0.6549 1.07 0.3
--.SFI.Z. 2001-04-15T10:41:28.44 10.0 undecidable manual SG 318 0.3552 -0.45 0.6
--.PGD.Z. 2001-04-15T10:41:24.55 10.0 undecidable manual PG 306 0.3996 0.5 1.3
--.FB9.Z. 2001-04-15T10:41:24.85 10.0 undecidable manual PG 81 0.4329 0.34 1.5
--.SFI.Z. 2001-04-15T10:41:23.38 10.0 undecidable manual PG 318 0.3552 0.22 1.8
--.CRE.Z. 2001-04-15T10:41:22.12 10.0 undecidable manual SG 265 0.1665 -0.46 0.6
--.CRE.Z. 2001-04-15T10:41:18.81 10.0 positive manual PG 265 0.1665 -0.71 2
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