Earthquake with magnitude of Md 2.0 on date 23-08-2002 and time 18:33:08 (UTC) in region 4 km W Polinago (MO)

A magnitude Md 2.0 earthquake occured in region: 4 km W Polinago (MO), on

  • 23-08-2002 18:33:08 (UTC)
  • 23-08-2002 20:33:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3580, 10.6810 at 22 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
Polinago MO 4 1672 1672
Montefiorino MO 4 2203 3875
Palagano MO 5 2194 6069
Lama Mocogno MO 7 2734 8803
Prignano sulla Secchia MO 9 3747 12550
Toano RE 10 4463 17013
Frassinoro MO 11 1926 18939
Serramazzoni MO 11 8282 27221
Montecreto MO 12 940 28161
Pavullo nel Frignano MO 12 17383 45544
Riolunato MO 14 712 46256
Sestola MO 16 2508 48764
Baiso RE 17 3315 52079
Carpineti RE 17 4064 56143
Villa Minozzo RE 17 3750 59893
Pievepelago MO 17 2222 62115
Castellarano RE 17 15232 77347
Fanano MO 19 2989 80336
Fiumalbo MO 20 1280 81616

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SW of Modena (184973 inhabitants)
38 Km S of Reggio nell'Emilia (171345 inhabitants)
50 Km SW of Carpi (70699 inhabitants)
51 Km NW of Pistoia (90315 inhabitants)
55 Km W of Bologna (386663 inhabitants)
56 Km NE of Massa (69479 inhabitants)
56 Km NE of Carrara (63133 inhabitants)
57 Km SE of Parma (192836 inhabitants)
59 Km N of Lucca (89046 inhabitants)
63 Km NW of Prato (191150 inhabitants)
64 Km NE of Viareggio (62467 inhabitants)
73 Km E of La Spezia (93959 inhabitants)
75 Km NE of Pisa (89158 inhabitants)
78 Km NW of Scandicci (50609 inhabitants)
80 Km NW of Firenze (382808 inhabitants)
82 Km W of Imola (69797 inhabitants)
91 Km SW of Ferrara (133155 inhabitants)
94 Km NE of Livorno (159219 inhabitants)
96 Km W of Faenza (58541 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 2.0 2002-08-23
18:33:08
44.358 10.681 22 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 447389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-08-23 18:33:08 ± 0.341
Latitude 44.3580 ± 0.0212
Longitude 10.6810 ± 0.0238
Depth (km) 22 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 447389

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) 3023.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.00793
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 447389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:03:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SEI.Z. 2002-08-23T18:33:29.17 10.0 undecidable manual SG 121 0.5661 0.27 0.5
--.PGD.Z. 2002-08-23T18:33:25.28 10.0 undecidable manual PN 122 0.8769 0.2 0.9
--.BDI.Z. 2002-08-23T18:33:21.60 10.0 undecidable manual SG 191 0.2997 0.35 0.6
--.SEI.Z. 2002-08-23T18:33:20.23 10.0 undecidable manual PG 121 0.5661 0.08 1.3
--.ZCCA.Z. 2002-08-23T18:33:19.66 10.0 undecidable manual SG 91 0.2109 1.37 0
--.ERBM.Z. 2002-08-23T18:33:18.70 10.0 undecidable manual SG 287 0.1998 0.67 0.3
--.BDI.Z. 2002-08-23T18:33:15.40 10.0 undecidable manual PG 191 0.2997 -0.38 1.4
--.GSCL.Z. 2002-08-23T18:33:15.70 10.0 undecidable manual SG 263 0.0666 0.2 0.7
--.ZCCA.Z. 2002-08-23T18:33:13.35 10.0 positive manual PG 91 0.2109 -0.66 1.5
--.ERBM.Z. 2002-08-23T18:33:13.52 10.0 undecidable manual PG 287 0.1998 -0.34 1.4
--.GSCL.Z. 2002-08-23T18:33:11.97 10.0 positive manual PG 263 0.0666 -0.44 2.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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