Earthquake with magnitude of Md 2.5 on date 17-10-2002 and time 14:48:27 (Italy) in region 1 km E Verghereto (FC)

A magnitude Md 2.5 earthquake occured in region: 1 km E Verghereto (FC), on

  • 17-10-2002 12:48:27 (UTC)
  • 17-10-2002 14:48:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7950, 12.0200 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
Verghereto FC 1 1907 1907
Bagno di Romagna FC 8 6026 7933
Casteldelci RN 11 407 8340
Chiusi della Verna AR 13 2023 10363
Pieve Santo Stefano AR 14 3183 13546
Badia Tedalda AR 17 1087 14633
Caprese Michelangelo AR 17 1426 16059
Sarsina FC 17 3446 19505
Sant'Agata Feltria RN 17 2151 21656
Chitignano AR 19 899 22555
Santa Sofia FC 19 4136 26691
Bibbiena AR 20 12241 38932
Pennabilli RN 20 2869 41801

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NE of Arezzo (99543 inhabitants)
42 Km SW of Cesena (96758 inhabitants)
48 Km S of Forlì (117913 inhabitants)
53 Km SW of Rimini (147750 inhabitants)
56 Km S of Faenza (58541 inhabitants)
61 Km E of Firenze (382808 inhabitants)
67 Km SE of Imola (69797 inhabitants)
67 Km E of Scandicci (50609 inhabitants)
71 Km S of Ravenna (159116 inhabitants)
73 Km W of Pesaro (94582 inhabitants)
75 Km E of Prato (191150 inhabitants)
77 Km NE of Siena (53903 inhabitants)
81 Km W of Fano (60888 inhabitants)
82 Km NW of Perugia (166134 inhabitants)
90 Km E of Pistoia (90315 inhabitants)
95 Km SE of Bologna (386663 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 2.5
ML-VAX 2.0
2002-10-17
12:48:27
43.795 12.02 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 454989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-10-17 12:48:27 ± 0.266
Latitude 43.7950 ± 0.0119
Longitude 12.0200 ± 0.0210
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 454989

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) 2141.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.00971
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 454989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:10:41

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 7
Type of magnitude ML
Reference to an origin 454989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CSNT.Z. 2002-10-17T12:48:50.96 10.0 undecidable manual SG 238 0.6105 0.32 0.5
--.PII.Z. 2002-10-17T12:48:49.40 10.0 undecidable manual PN 266 1.0767 -0.23 1
--.SNTG.Z. 2002-10-17T12:48:44.82 10.0 undecidable manual PG 128 0.8547 -0.66 0.6
--.VMG.Z. 2002-10-17T12:48:43.53 10.0 undecidable manual SG 295 0.3774 0.81 0.3
--.CSNT.Z. 2002-10-17T12:48:41.72 10.0 undecidable manual PG 238 0.6105 0.68 0.7
--.FSSB.Z. 2002-10-17T12:48:40.74 10.0 undecidable manual PG 100 0.5439 0.84 0.5
--.SEI.Z. 2002-10-17T12:48:38.62 10.0 undecidable manual PG 298 0.5439 -1.01 0.3
--.PGD.Z. 2002-10-17T12:48:36.71 10.0 undecidable manual SG 290 0.222 -0.23 0.7
--.SFI.Z. 2002-10-17T12:48:35.40 10.0 undecidable manual SG 311 0.1665 0.88 0.2
--.VMG.Z. 2002-10-17T12:48:35.98 10.0 undecidable manual PG 295 0.3774 -0.48 1.3
--.CRE.Z. 2002-10-17T12:48:35.52 10.0 undecidable manual SG 195 0.1776 0.36 0.6
--.PGD.Z. 2002-10-17T12:48:33.15 10.0 undecidable manual PG 290 0.222 0.02 1.9
--.SFI.Z. 2002-10-17T12:48:31.61 10.0 positive manual PG 311 0.1665 -0.13 3.7
--.CRE.Z. 2002-10-17T12:48:31.77 10.0 undecidable manual PG 195 0.1776 -0.33 1.6
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