Earthquake with magnitude of Md 2.1 on date 12-09-1995 and time 21:25:18 (Italy) in region 6 km W Verghereto (FC)

A magnitude Md 2.1 earthquake occured in region: 6 km W Verghereto (FC), on

  • 12-09-1995 19:25:18 (UTC)
  • 12-09-1995 21:25:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7940, 11.9270 at 9 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 6 1907 1907
Bagno di Romagna FC 8 6026 7933
Chiusi della Verna AR 10 2023 9956
Bibbiena AR 14 12241 22197
Poppi AR 15 6160 28357
Chitignano AR 15 899 29256
Pratovecchio Stia AR 17 5845 35101
Pieve Santo Stefano AR 17 3183 38284
Santa Sofia FC 17 4136 42420
Castel Focognano AR 17 3149 45569
Caprese Michelangelo AR 17 1426 46995
Casteldelci RN 18 407 47402
Castel San Niccolò AR 19 2707 50109
Ortignano Raggiolo AR 19 878 50987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km N of Arezzo (99543 inhabitants)
46 Km SW of Cesena (96758 inhabitants)
49 Km S of Forlì (117913 inhabitants)
54 Km E of Firenze (382808 inhabitants)
55 Km S of Faenza (58541 inhabitants)
59 Km SW of Rimini (147750 inhabitants)
60 Km E of Scandicci (50609 inhabitants)
65 Km S of Imola (69797 inhabitants)
67 Km E of Prato (191150 inhabitants)
71 Km NE of Siena (53903 inhabitants)
73 Km SW of Ravenna (159116 inhabitants)
80 Km W of Pesaro (94582 inhabitants)
82 Km E of Pistoia (90315 inhabitants)
85 Km NW of Perugia (166134 inhabitants)
88 Km W of Fano (60888 inhabitants)
91 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 2.1
ML-VAX 1.6
1995-09-12
19:25:18
43.794 11.927 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 232409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1995-09-12 19:25:18 ± 0.329
Latitude 43.7940 ± 0.0101
Longitude 11.9270 ± 0.0273
Depth (km) 9 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 232409

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) 2463.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00356
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 232409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:40:03

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 232409
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
--.RSM.Z. 1995-09-12T19:25:32.53 10.0 undecidable manual SG 70 0.3996 -0.85 0
--.RSM.Z. 1995-09-12T19:25:27.47 10.0 undecidable manual PG 70 0.3996 0.45 0.2
--.PGD.Z. 1995-09-12T19:25:25.39 10.0 undecidable manual SG 298 0.1665 -0.13 0.4
--.CRE.Z. 1995-09-12T19:25:25.71 10.0 undecidable manual SG 174 0.1665 -0.02 0.5
--.SFI.Z. 1995-09-12T19:25:23.78 10.0 undecidable manual SG 332 0.1221 -0.23 0.3
--.CRE.Z. 1995-09-12T19:25:22.57 10.0 positive manual PG 174 0.1665 -0.04 2.3
--.PGD.Z. 1995-09-12T19:25:22.44 10.0 negative manual PG 298 0.1665 -0.05 2.3
--.SFI.Z. 1995-09-12T19:25:21.72 10.0 negative manual PG 332 0.1221 0.1 2.1
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