Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 31-05-2012 and time 02:40:29 (Italy) in region 1 km NE Medolla (MO)

A magnitude ML 2.0 earthquake occured in region: 1 km NE Medolla (MO), on

  • 31-05-2012 00:40:29 (UTC)
  • 31-05-2012 02:40:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8580, 11.0760 at 8 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
Medolla MO 1 6308 6308
Mirandola MO 3 23875 30183
Cavezzo MO 4 7026 37209
San Felice sul Panaro MO 6 10900 48109
San Possidonio MO 7 3619 51728
San Prospero MO 9 5860 57588
Camposanto MO 9 3201 60789
Concordia sulla Secchia MO 10 8641 69430
San Giovanni del Dosso MN 12 1248 70678
San Giacomo delle Segnate MN 13 1639 72317
Poggio Rusco MN 14 6625 78942
Novi di Modena MO 14 10247 89189
Bomporto MO 15 10157 99346
Ravarino MO 15 6233 105579
Schivenoglia MN 15 1203 106782
Moglia MN 15 5600 112382
Bastiglia MO 16 4193 116575
Crevalcore BO 16 13465 130040
Villa Poma MN 16 2023 132063
Carpi MO 17 70699 202762
Finale Emilia MO 18 15699 218461
Rolo RE 18 4105 222566
Soliera MO 18 15461 238027
Quistello MN 19 5595 243622
Magnacavallo MN 19 1561 245183
Pieve di Coriano MN 20 1035 246218
Nonantola MO 20 15839 262057

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of Carpi (70699 inhabitants)
26 Km NE of Modena (184973 inhabitants)
39 Km E of Reggio nell'Emilia (171345 inhabitants)
43 Km W of Ferrara (133155 inhabitants)
46 Km NW of Bologna (386663 inhabitants)
59 Km E of Parma (192836 inhabitants)
61 Km W of Rovigo (51867 inhabitants)
65 Km S of Verona (258765 inhabitants)
76 Km NW of Imola (69797 inhabitants)
85 Km SW of Vicenza (112953 inhabitants)
88 Km SW of Padova (210401 inhabitants)
88 Km E of Cremona (71901 inhabitants)
90 Km NW 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 2.3 2012-05-31
00:40:29		 44.8412 11.1493 32 2014-10-21
12:19:34		 Sala Sismica INGV-Roma 1497331
Bulletin
Rev1000 		ML 2.0 2012-05-31
00:40:29		 44.8577 11.0763 8 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 6321991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-05-31 00:40:29 ± 0.11
Latitude 44.8577 ± 0.0054
Longitude 11.0763 ± 0.0051
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 6321991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 605
Semi-minor axis of confidence ellipse (meter) 352
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 181
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.07644
Epicentral distance of station farthest from the epicenter (degree) 0.26170
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 0
Type of magnitude ML
Reference to an origin 1497331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-05-31 00:59:51

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 6321991
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:48:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0803.HNZ. 2012-05-31T00:40:42.18 0.6 undecidable manual S 115 23.8539 50 0.38 46
IV.T0825.EHZ. 2012-05-31T00:40:41.71 0.3 undecidable manual S 305 22.0668 50 0.68 63
IV.T0826.HNZ. 2012-05-31T00:40:40.38 0.6 undecidable manual S 265 20.9679 50 -0.14 48
IV.T0822.EHZ. 2012-05-31T00:40:40.82 0.6 undecidable manual S 97 21.3675 50 0.11 49
IV.T0800.HHZ. 2012-05-31T00:40:38.69 0.6 undecidable manual S 94 13.5753 121 -0.44 46
IV.RAVA.EHZ. 2012-05-31T00:40:38.64 0.3 undecidable manual S 163 11.7771 124 0.37 70
IV.NOVE.EHZ. 2012-05-31T00:40:37.24 0.6 undecidable manual P 257 29.0487 50 -0.78 40
IV.T0802.HNZ. 2012-05-31T00:40:37.55 0.6 undecidable manual S 77 8.4804 134 0.78 41
IV.T0822.EHZ. 2012-05-31T00:40:36.07 0.1 undecidable manual P 97 21.3675 50 -0.01 99
IV.T0825.EHZ. 2012-05-31T00:40:36.32 0.3 undecidable manual P 305 22.0668 50 0.05 74
IV.T0803.HNZ. 2012-05-31T00:40:36.56 0.3 undecidable manual P 115 23.8539 50 -0.15 72
IV.SBPO.HHZ. 2012-05-31T00:40:36.59 1.0 undecidable manual P 330 24.753 50 -0.33 23
IV.T0805.HNZ. 2012-05-31T00:40:35.84 0.3 undecidable manual P 71 20.4684 50 -0.03 74
IV.T0826.HNZ. 2012-05-31T00:40:35.85 0.1 undecidable manual P 265 20.9679 50 -0.13 97
IV.T0800.HHZ. 2012-05-31T00:40:34.77 0.1 undecidable manual P 94 13.5753 121 -0.41 93
IV.RAVA.EHZ. 2012-05-31T00:40:34.76 0.1 negative manual P 163 11.7771 124 0.07 100
IV.T0802.HNZ. 2012-05-31T00:40:33.79 0.3 undecidable manual P 77 8.4804 134 -0.05 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RAVA.EHN. ML:2.1 0.0016099999999999999 0.7 AML other m 2012-05-31T00:40:38.86
IV.RAVA.EHE. ML:1.9 0.0009865 0.26 AML other m 2012-05-31T00:40:44.12
IV.SALO.HHE. ML:1.5 0.00003525 0.34 AML other m 2012-05-31T00:41:03.51
IV.SALO.HHN. ML:1.6 0.00004835 1.32 AML other m 2012-05-31T00:41:03.84
IV.SBPO.HHN. ML:1.7 0.000298 0.58 AML other m 2012-05-31T00:40:50.79
IV.T0800.HHE. ML:2.1 0.0015499999999999997 0.24 AML other m 2012-05-31T00:40:39.16
IV.T0800.HHN. ML:2.0 0.00108 0.4 AML other m 2012-05-31T00:40:38.91
IV.T0800.HNE. ML:2.1 0.0015350000000000001 0.22 AML other m 2012-05-31T00:40:39.19
IV.T0800.HNN. ML:2.0 0.0011165 0.46 AML other m 2012-05-31T00:40:38.93
IV.T0825.EHE. ML:2.2 0.001195 0.24 AML other m 2012-05-31T00:40:47.86
IV.T0825.EHN. ML:2.0 0.000679 0.52 AML other m 2012-05-31T00:40:47.53
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