Earthquake with magnitude of Md 2.4 on date 24-09-2002 and time 21:49:02 (Italy) in region 4 km W Verghereto (FC)

A magnitude Md 2.4 earthquake occured in region: 4 km W Verghereto (FC), on

  • 24-09-2002 19:49:02 (UTC)
  • 24-09-2002 21:49:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8150, 11.9620 at 2 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 4 1907 1907
Bagno di Romagna FC 5 6026 7933
Chiusi della Verna AR 13 2023 9956
Santa Sofia FC 15 4136 14092
Casteldelci RN 16 407 14499
Pieve Santo Stefano AR 17 3183 17682
Bibbiena AR 18 12241 29923
Chitignano AR 18 899 30822
Sarsina FC 19 3446 34268
Poppi AR 19 6160 40428
Caprese Michelangelo AR 19 1426 41854
Pratovecchio Stia AR 19 5845 47699

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Arezzo (99543 inhabitants)
42 Km SW of Cesena (96758 inhabitants)
46 Km S of Forlì (117913 inhabitants)
53 Km S of Faenza (58541 inhabitants)
56 Km W of Rimini (147750 inhabitants)
57 Km E of Firenze (382808 inhabitants)
63 Km E of Scandicci (50609 inhabitants)
63 Km SE of Imola (69797 inhabitants)
70 Km E of Prato (191150 inhabitants)
70 Km S of Ravenna (159116 inhabitants)
75 Km NE of Siena (53903 inhabitants)
77 Km W of Pesaro (94582 inhabitants)
85 Km E of Pistoia (90315 inhabitants)
85 Km W of Fano (60888 inhabitants)
86 Km NW of Perugia (166134 inhabitants)
90 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 2.4 2002-09-24
19:49:02
43.815 11.962 2 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 452869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-09-24 19:49:02 ± 0.15
Latitude 43.8150 ± 0.0085
Longitude 11.9620 ± 0.0114
Depth (km) 2 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 452869

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) 1316.9
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00809
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 452869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:08:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CSNT.Z. 2002-09-24T19:49:25.30 10.0 undecidable manual SG 234 0.5883 0.2 0.4
--.SNTG.Z. 2002-09-24T19:49:21.19 10.0 undecidable manual PG 127 0.8991 0.1 1.1
--.CSNT.Z. 2002-09-24T19:49:15.18 10.0 undecidable manual PG 234 0.5883 -0.16 1.3
--.CRE.Z. 2002-09-24T19:49:10.40 10.0 undecidable manual SG 182 0.1887 0.45 0.1
--.PGD.Z. 2002-09-24T19:49:09.40 10.0 undecidable manual SG 289 0.1776 -0.09 0.8
--.SFI.Z. 2002-09-24T19:49:07.69 10.0 undecidable manual SG 317 0.1221 0.58 0
--.PGD.Z. 2002-09-24T19:49:06.45 10.0 undecidable manual PG 289 0.1776 -0.03 2.2
--.CRE.Z. 2002-09-24T19:49:06.52 10.0 undecidable manual PG 182 0.1887 -0.23 1.4
--.SFI.Z. 2002-09-24T19:49:04.94 10.0 undecidable manual PG 317 0.1221 -0.17 1.6
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