Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 20-05-2012 and time 12:30:08 (Italy) in region 6 km W Finale Emilia (MO)

A magnitude ML 2.5 earthquake occured in region: 6 km W Finale Emilia (MO), on

  • 20-05-2012 10:30:08 (UTC)
  • 20-05-2012 12:30:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8580, 11.2340 at 7 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Finale Emilia MO 6 15699 15699
San Felice sul Panaro MO 8 10900 26599
Camposanto MO 11 3201 29800
Medolla MO 13 6308 36108
Mirandola MO 14 23875 59983
Sant'Agostino FE 14 6853 66836
Bondeno FE 15 14655 81491
Cento FE 15 35686 117177
Poggio Rusco MN 16 6625 123802
Cavezzo MO 16 7026 130828
Crevalcore BO 16 13465 144293
Magnacavallo MN 17 1561 145854
Felonica MN 17 1359 147213
Pieve di Cento BO 17 7019 154232
San Giovanni del Dosso MN 17 1248 155480
Sermide MN 17 6189 161669
Calto RO 18 743 162412
Ravarino MO 18 6233 168645
Villa Poma MN 18 2023 170668
Mirabello FE 18 3266 173934
San Prospero MO 18 5860 179794
Castelmassa RO 19 4252 184046
Ficarolo RO 19 2438 186484
San Possidonio MO 19 3619 190103
Schivenoglia MN 19 1203 191306
Castelnovo Bariano RO 19 2762 194068
Carbonara di Po MN 20 1297 195365

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Carpi (70699 inhabitants)
31 Km W of Ferrara (133155 inhabitants)
34 Km NE of Modena (184973 inhabitants)
41 Km N of Bologna (386663 inhabitants)
50 Km W of Rovigo (51867 inhabitants)
51 Km E of Reggio nell'Emilia (171345 inhabitants)
67 Km S of Verona (258765 inhabitants)
68 Km NW of Imola (69797 inhabitants)
72 Km E of Parma (192836 inhabitants)
79 Km SW of Padova (210401 inhabitants)
81 Km SW of Vicenza (112953 inhabitants)
82 Km NW of Faenza (58541 inhabitants)
91 Km NW of Ravenna (159116 inhabitants)
95 Km NW of Forlì (117913 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 2.5 2012-05-20
10:30:11		 44.8862 11.2632 1 2014-10-21
12:19:34		 Sala Sismica INGV-Roma 1325601
Bulletin
Rev1000 		ML 2.5 2012-05-20
10:30:08		 44.8583 11.234 7 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 4944151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-05-20 10:30:08 ± 0.22
Latitude 44.8583 ± 0.0072
Longitude 11.2340 ± 0.0165
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4944151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1306
Semi-minor axis of confidence ellipse (meter) 421
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 290
Circular confidence region, given by single value of horizontal uncertainty (meter) 1310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.13130
Epicentral distance of station farthest from the epicenter (degree) 1.61968
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 0
Type of magnitude ML
Reference to an origin 1325601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-05-20 10:43:44

ML:2.5

Field Value
Value 2.5
Uncertainty 0.4
Num. used stations 17
Type of magnitude ML
Reference to an origin 4944151
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:47:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APPI.EHZ. 2012-05-20T10:30:40.20 0.6 undecidable manual P 360 179.7867 38 -0.73 28
SI.KOSI.HHZ. 2012-05-20T10:30:39.85 0.6 undecidable manual P 4 178.3881 38 -0.86 27
IV.MSSA.HHZ. 2012-05-20T10:30:36.81 0.3 undecidable manual P 247 148.3404 38 0.76 48
IV.MABI.HHZ. 2012-05-20T10:30:35.03 0.3 undecidable manual P 337 144.0447 38 -0.36 55
IV.ASQU.HHZ. 2012-05-20T10:30:33.70 0.6 undecidable manual P 159 125.7741 38 1.16 28
GU.MAIM.HHZ. 2012-05-20T10:30:32.48 0.3 undecidable manual P 210 120.1908 38 0.81 50
NI.CGRP.HHZ. 2012-05-20T10:30:31.72 0.6 undecidable manual P 21 121.7892 38 -0.21 40
IV.MAGA.HHZ. 2012-05-20T10:30:30.18 0.3 undecidable manual P 335 112.0989 38 -0.25 61
IV.SALO.HHZ. 2012-05-20T10:30:29.28 0.3 undecidable manual P 327 100.9212 38 0.6 57
MN.VLC.HHZ. 2012-05-20T10:30:29.91 0.3 undecidable manual P 221 102.5196 38 0.98 48
IV.SEI.SHZ. 2012-05-20T10:30:28.32 0.6 undecidable manual P 174 89.7435 38 1.37 27
GU.POPM.HHZ. 2012-05-20T10:30:28.04 1.0 undecidable manual P 203 97.8243 38 -0.16 21
IV.ROVR.HHZ. 2012-05-20T10:30:26.32 0.1 undecidable manual P 352 88.3449 38 -0.42 82
IV.ERBM.EHZ. 2012-05-20T10:30:26.63 0.6 undecidable manual P 233 81.0522 38 1.03 33
IV.ZOVE.HNE. 2012-05-20T10:30:23.37 0.3 undecidable manual P 17 68.9754 38 -0.35 65
IV.FIU.EHZ. 2012-05-20T10:30:23.00 0.6 undecidable manual S 140 31.5462 -1.04 36
IV.ZCCA.HHZ. 2012-05-20T10:30:23.07 0.3 undecidable manual P 200 59.8956 38 0.76 57
IV.TEOL.HHZ. 2012-05-20T10:30:22.81 0.3 undecidable manual P 32 65.5899 38 -0.39 64
IV.SERM.EHZ. 2012-05-20T10:30:19.80 0.6 undecidable manual S 16 17.4714 112 0.3 48
IV.NOVE.EHE. 2012-05-20T10:30:18.30 0.3 undecidable manual P 261 41.3253 -1.48 41
IV.FIU.EHZ. 2012-05-20T10:30:17.05 0.3 positive manual P 140 31.5462 -0.3 70
IV.MODE.HNE. 2012-05-20T10:30:17.28 0.3 undecidable manual P 222 33.8439 50 -0.64 63
IV.RAVA.EHZ. 2012-05-20T10:30:17.50 0.3 undecidable manual S 219 14.5743 116 -0.42 70
IV.SERM.EHZ. 2012-05-20T10:30:15.22 0.3 undecidable manual P 16 17.4714 112 0.46 69
IV.RAVA.EHZ. 2012-05-20T10:30:13.96 0.1 negative manual P 219 14.5743 116 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHN. ML:2.2 0.0001235 0.66 AML other m 2012-05-20T10:30:53.85
IV.ASQU.HHE. ML:2.2 0.00011 0.7 AML other m 2012-05-20T10:30:53.53
NI.CGRP.HHE. ML:2.4 0.0001815 1.4 AML other m 2012-05-20T10:30:50.17
NI.CGRP.HHN. ML:2.4 0.00016599999999999997 0.8 AML other m 2012-05-20T10:30:50.88
IV.CTL8.HNE. ML:3.2 0.0010500000000000002 0.28 AML other m 2012-05-20T10:30:53.50
IV.CTL8.EHE. ML:2.6 0.0002915 0.78 AML other m 2012-05-20T10:30:53.38
IV.CTL8.HNN. ML:3.1 0.0008895 0.48 AML other m 2012-05-20T10:30:54.03
IV.CTL8.EHN. ML:2.4 0.00015900000000000002 1.54 AML other m 2012-05-20T10:30:54.46
IV.FIU.EHE. ML:2.6 0.0019100000000000002 0.48 AML other m 2012-05-20T10:30:43.33
IV.FIU.EHN. ML:2.3 0.000933 1.04 AML other m 2012-05-20T10:30:44.97
SI.KOSI.HHE. ML:2.6 0.00016299999999999998 0.92 AML other m 2012-05-20T10:31:04.69
SI.KOSI.HHN. ML:2.5 0.000123 0.32 AML other m 2012-05-20T10:31:04.67
IV.MABI.HHE. ML:2.2 0.00008975 0.16 AML other m 2012-05-20T10:30:54.97
IV.MABI.HHN. ML:2.2 0.00008015 0.22 AML other m 2012-05-20T10:30:55.57
IV.MAGA.HHN. ML:3.6 0.0032350000000000005 0.4 AML other m 2012-05-20T10:30:47.38
IV.MAGA.HHE. ML:3.6 0.003545 0.34 AML other m 2012-05-20T10:30:47.41
GU.MAIM.HHN. ML:2.4 0.000184 0.54 AML other m 2012-05-20T10:30:50.34
GU.MAIM.HHE. ML:2.2 0.000123 0.34 AML other m 2012-05-20T10:30:52.50
SI.MOSI.HHN. ML:3.0 0.0002655 0.44 AML other m 2012-05-20T10:31:10.76
SI.MOSI.HHE. ML:2.7 0.000148 0.28 AML other m 2012-05-20T10:31:11.11
IV.MSSA.HHE. ML:2.5 0.00015450000000000001 0.54 AML other m 2012-05-20T10:30:59.70
IV.MSSA.HHN. ML:2.4 0.000127 1.46 AML other m 2012-05-20T10:30:59.98
GU.POPM.HHN. ML:2.6 0.000377 0.64 AML other m 2012-05-20T10:30:46.50
GU.POPM.HHE. ML:2.4 0.00027600000000000004 0.36 AML other m 2012-05-20T10:30:48.12
IV.RAVA.EHE. ML:3.7 0.05034999999999999 0.24 AML other m 2012-05-20T10:30:17.85
IV.RAVA.EHN. ML:3.6 0.0416 0.22 AML other m 2012-05-20T10:30:18.12
IV.ROVR.HHE. ML:2.7 0.000624 1 AML other m 2012-05-20T10:30:41.45
IV.ROVR.HHN. ML:3.2 0.0017250000000000002 0.26 AML other m 2012-05-20T10:30:41.72
IV.SALO.HHN. ML:3.2 0.001425 1.18 AML other m 2012-05-20T10:30:45.56
IV.SALO.HHE. ML:2.9 0.000858 0.42 AML other m 2012-05-20T10:30:44.77
IV.TEOL.HHE. ML:2.7 0.000921 0.34 AML other m 2012-05-20T10:30:35.65
IV.TEOL.HHN. ML:2.7 0.0008285 0.3 AML other m 2012-05-20T10:30:35.86
MN.VLC.HHN. ML:1.9 0.00007960000000000001 1.56 AML other m 2012-05-20T10:30:52.58
MN.VLC.HHE. ML:1.9 0.00007240000000000001 1.18 AML other m 2012-05-20T10:31:01.32
IV.ZCCA.HHE. ML:2.4 0.000468 1.2 AML other m 2012-05-20T10:30:34.21
IV.ZCCA.HHN. ML:2.3 0.000413 1.58 AML other m 2012-05-20T10:30:47.81
IV.ZCCA.HNN. ML:2.3 0.0004425 1.56 AML other m 2012-05-20T10:30:47.82
IV.ZCCA.HNE. ML:2.3 0.0004235 0.46 AML other m 2012-05-20T10:30:34.62
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