Earthquake with magnitude of ML 2.1 on date 04-12-2012 and time 02:41:20 (Italy) in region 3 km E Montefiorino (MO)

A magnitude ML 2.1 earthquake occured in region: 3 km E Montefiorino (MO), on

  • 04-12-2012 01:41:20 (UTC)
  • 04-12-2012 02:41:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3510, 10.6580 at 32 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
Montefiorino MO 3 2203 2203
Palagano MO 3 2194 4397
Polinago MO 5 1672 6069
Lama Mocogno MO 8 2734 8803
Toano RE 8 4463 13266
Frassinoro MO 9 1926 15192
Prignano sulla Secchia MO 10 3747 18939
Montecreto MO 12 940 19879
Serramazzoni MO 13 8282 28161
Riolunato MO 13 712 28873
Pavullo nel Frignano MO 14 17383 46256
Villa Minozzo RE 15 3750 50006
Carpineti RE 16 4064 54070
Pievepelago MO 16 2222 56292
Sestola MO 16 2508 58800
Baiso RE 17 3315 62115
Castellarano RE 19 15232 77347
Fiumalbo MO 19 1280 78627
Fanano MO 19 2989 81616

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km S of Reggio nell'Emilia (171345 inhabitants)
39 Km SW of Modena (184973 inhabitants)
51 Km NW of Pistoia (90315 inhabitants)
51 Km SW of Carpi (70699 inhabitants)
54 Km NE of Massa (69479 inhabitants)
54 Km NE of Carrara (63133 inhabitants)
57 Km SE of Parma (192836 inhabitants)
57 Km W of Bologna (386663 inhabitants)
58 Km N of Lucca (89046 inhabitants)
63 Km NE of Viareggio (62467 inhabitants)
63 Km NW of Prato (191150 inhabitants)
71 Km E of La Spezia (93959 inhabitants)
74 Km N of Pisa (89158 inhabitants)
78 Km NW of Scandicci (50609 inhabitants)
80 Km NW of Firenze (382808 inhabitants)
84 Km W of Imola (69797 inhabitants)
93 Km NE of Livorno (159219 inhabitants)
93 Km SW of Ferrara (133155 inhabitants)
98 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
Reviewed
Rev100
ML 2.1 2012-12-04
01:41:20
44.3553 10.6648 32 2014-10-21
12:08:56
Sala Sismica INGV-Roma 2670251
Bulletin
Rev1000
ML 2.1 2012-12-04
01:41:20
44.3513 10.6577 32 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 3508341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-12-04 01:41:20 ± 0.66
Latitude 44.3513 ± 0.0207
Longitude 10.6577 ± 0.0189
Depth (km) 32 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3508341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2309
Semi-minor axis of confidence ellipse (meter) 164
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 165
Circular confidence region, given by single value of horizontal uncertainty (meter) 2310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
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) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.18796
Epicentral distance of station farthest from the epicenter (degree) 0.49013
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 3508341
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:46:14

ML:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 2670251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-12-04 01:56:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2012-12-04T01:41:34.17 0.6 undecidable manual S 168 39.2274 124 -0.63 43
MN.VLC.HHZ. 2012-12-04T01:41:33.41 0.6 undecidable manual S 225 30.2475 132 0.5 45
IV.ZCCA.HHZ. 2012-12-04T01:41:32.28 0.6 undecidable manual S 90 25.2525 138 0.31 49
IV.ERBM.EHZ. 2012-12-04T01:41:31.07 0.6 undecidable manual S 291 20.868 144 -0.15 50
IV.PTF.SHZ. 2012-12-04T01:41:31.16 0.1 undecidable manual P 143 54.4011 115 0.56 87
GU.POPM.HHZ. 2012-12-04T01:41:28.07 0.1 undecidable manual P 168 39.2274 124 -0.51 90
MN.VLC.HHZ. 2012-12-04T01:41:27.80 0.1 negative manual P 225 30.2475 132 0.31 96
IV.ERBM.EHZ. 2012-12-04T01:41:26.22 0.1 positive manual P 291 20.868 144 -0.29 97
IV.ZCCA.HHZ. 2012-12-04T01:41:26.86 0.1 positive manual P 90 25.2525 138 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ZCCA.HHE. ML:2.1 0.00042200000000000007 0.58 AML other m 2012-12-04T01:41:32.86
IV.ZCCA.HHN. ML:2.1 0.000491 0.7 AML other m 2012-12-04T01:41:32.86
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
Waveforms Seismic signals in miniseed + resp format Download