Earthquake with magnitude of Md 2.0 on date 31-12-2004 and time 20:03:25 (UTC) in region 2 km W Castelnovo ne' Monti (RE)

A magnitude Md 2.0 earthquake occured in region: 2 km W Castelnovo ne' Monti (RE), on

  • 31-12-2004 20:03:25 (UTC)
  • 31-12-2004 21:03:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4410, 10.3730 at 17 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
Castelnovo ne' Monti RE 3 10465 10465
Vetto RE 6 1860 12325
Ventasso RE 9 4295 16620
Villa Minozzo RE 11 3750 20370
Carpineti RE 12 4064 24434
Casina RE 13 4504 28938
Palanzano PR 14 1142 30080
Tizzano Val Parma PR 16 2077 32157
Neviano degli Arduini PR 17 3649 35806
Toano RE 17 4463 40269
Canossa RE 17 3844 44113
Baiso RE 19 3315 47428

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SW of Reggio nell'Emilia (171345 inhabitants)
40 Km S of Parma (192836 inhabitants)
46 Km NE of Carrara (63133 inhabitants)
49 Km NE of Massa (69479 inhabitants)
50 Km W of Modena (184973 inhabitants)
56 Km SW of Carpi (70699 inhabitants)
57 Km NE of La Spezia (93959 inhabitants)
65 Km N of Viareggio (62467 inhabitants)
67 Km N of Lucca (89046 inhabitants)
71 Km NW of Pistoia (90315 inhabitants)
77 Km W of Bologna (386663 inhabitants)
81 Km N of Pisa (89158 inhabitants)
82 Km SE of Cremona (71901 inhabitants)
85 Km NW of Prato (191150 inhabitants)
87 Km SE of Piacenza (102191 inhabitants)
99 Km N of Livorno (159219 inhabitants)
100 Km NW of Scandicci (50609 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 2004-12-31
20:03:25
44.441 10.373 17 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 510259
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-12-31 20:03:25 ± 0.404
Latitude 44.4410 ± 0.0155
Longitude 10.3730 ± 0.0335
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 510259

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) 3165.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 308
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.00648
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 510259
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 01:09:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PII.Z. 2004-12-31T20:03:50.71 10.0 undecidable manual SG 171 0.7215 -0.07 0.5
--.BDI.Z. 2004-12-31T20:03:40.70 10.0 undecidable manual SG 156 0.3996 -0.02 0.7
--.PII.Z. 2004-12-31T20:03:40.29 10.0 undecidable manual PG 171 0.7215 0.23 0.7
--.GSCL.Z. 2004-12-31T20:03:34.23 10.0 undecidable manual SG 120 0.1665 0.48 0.1
--.BDI.Z. 2004-12-31T20:03:34.40 10.0 undecidable manual PG 156 0.3996 -0.22 1.1
--.ERBM.Z. 2004-12-31T20:03:30.67 10.0 undecidable manual SG 127 0.0222 -0.31 0.3
--.GSCL.Z. 2004-12-31T20:03:29.95 10.0 undecidable manual PG 120 0.1665 -0.27 0.9
--.ERBM.Z. 2004-12-31T20:03:28.72 10.0 negative manual PG 127 0.0222 0.09 3.7
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