Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 20-05-2012 and time 10:30:05 (Italy) in region 3 km NW Finale Emilia (MO)

A magnitude ML 2.5 earthquake occured in region: 3 km NW Finale Emilia (MO), on

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

and geographic coordinates (lat, lon) 44.8580, 11.2860 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 3 15699 15699
Sant'Agostino FE 11 6853 22552
Bondeno FE 11 14655 37207
San Felice sul Panaro MO 12 10900 48107
Camposanto MO 14 3201 51308
Mirabello FE 14 3266 54574
Cento FE 14 35686 90260
Felonica MN 15 1359 91619
Ficarolo RO 16 2438 94057
Pieve di Cento BO 16 7019 101076
Calto RO 16 743 101819
Sermide MN 17 6189 108008
Medolla MO 17 6308 114316
Vigarano Mainarda FE 17 7694 122010
Galliera BO 17 5439 127449
Mirandola MO 18 23875 151324
Castelmassa RO 18 4252 155576
Salara RO 18 1160 156736
Magnacavallo MN 18 1561 158297
Crevalcore BO 18 13465 171762
Gaiba RO 19 1063 172825
Ceneselli RO 19 1719 174544
Poggio Rusco MN 19 6625 181169
Poggio Renatico FE 19 9852 191021
Castelnovo Bariano RO 19 2762 193783
Castello d'Argile BO 20 6550 200333
San Pietro in Casale BO 20 12202 212535

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Ferrara (133155 inhabitants)
33 Km E of Carpi (70699 inhabitants)
37 Km NE of Modena (184973 inhabitants)
41 Km N of Bologna (386663 inhabitants)
46 Km SW of Rovigo (51867 inhabitants)
55 Km E of Reggio nell'Emilia (171345 inhabitants)
66 Km NW of Imola (69797 inhabitants)
69 Km SE of Verona (258765 inhabitants)
76 Km E of Parma (192836 inhabitants)
77 Km SW of Padova (210401 inhabitants)
79 Km NW of Faenza (58541 inhabitants)
80 Km S of Vicenza (112953 inhabitants)
87 Km NW of Ravenna (159116 inhabitants)
93 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
08:30:08		 44.8907 11.3693 6 2014-10-21
12:19:34		 Sala Sismica INGV-Roma 1322751
Bulletin
Rev1000 		ML 2.5 2012-05-20
08:30:05		 44.8575 11.2857 7 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 4936881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-05-20 08:30:05 ± 0.24
Latitude 44.8575 ± 0.0063
Longitude 11.2857 ± 0.0178
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 4936881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1438
Semi-minor axis of confidence ellipse (meter) 431
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
Circular confidence region, given by single value of horizontal uncertainty (meter) 1440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
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) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.15288
Epicentral distance of station farthest from the epicenter (degree) 1.86969
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 4936881
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:47:09

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 0
Type of magnitude ML
Reference to an origin 1322751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-05-20 08:46:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.ABSI.HHZ. 2012-05-20T08:30:40.28 0.6 undecidable manual P 1 207.5367 38 -1.72 14
SI.MOSI.HHZ. 2012-05-20T08:30:40.65 0.6 undecidable manual P 344 203.241 38 -0.68 25
IV.MSSA.HHZ. 2012-05-20T08:30:34.47 1.0 undecidable manual P 247 152.0367 38 1.09 14
NI.POLC.HHZ. 2012-05-20T08:30:33.46 0.6 undecidable manual P 36 160.5171 38 -1.23 24
IV.MABI.HHZ. 2012-05-20T08:30:32.15 1.0 undecidable manual P 336 145.743 38 -0.25 19
IV.ASQU.HHZ. 2012-05-20T08:30:29.58 0.6 undecidable manual P 161 124.2867 38 0.51 37
IV.CRMI.HHZ. 2012-05-20T08:30:29.34 0.6 undecidable manual P 192 120.2907 38 0.89 32
GU.MAIM.HHZ. 2012-05-20T08:30:29.57 0.6 undecidable manual P 211 122.0889 38 0.84 33
NI.CGRP.HHZ. 2012-05-20T08:30:28.12 0.6 undecidable manual P 19 120.4905 38 -0.36 39
IV.SFI.EHZ. 2012-05-20T08:30:28.07 0.6 undecidable manual P 157 114.6963 38 0.5 38
IV.MAGA.HHZ. 2012-05-20T08:30:27.45 0.6 undecidable manual P 334 113.997 38 -0.02 42
GU.POPM.HHZ. 2012-05-20T08:30:26.51 0.6 undecidable manual P 205 99.4227 38 1.31 27
IV.SALO.HHZ. 2012-05-20T08:30:26.45 0.6 undecidable manual P 325 103.2189 38 0.65 37
IV.PTF.SHZ. 2012-05-20T08:30:25.74 0.6 undecidable manual P 190 101.0211 38 0.29 41
IV.ROVR.HHZ. 2012-05-20T08:30:23.45 0.6 undecidable manual P 349 89.1441 38 -0.16 43
IV.ZCCA.HHZ. 2012-05-20T08:30:20.25 0.6 undecidable manual P 204 61.2942 38 0.97 35
IV.ZOVE.HNE. 2012-05-20T08:30:19.86 0.3 undecidable manual P 13 67.9764 38 -0.46 63
IV.TEOL.HHZ. 2012-05-20T08:30:19.30 0.1 undecidable manual P 28 63.6918 38 -0.35 87
IV.NOVE.EHE. 2012-05-20T08:30:17.11 1.0 undecidable manual P 262 45.3213 50 -0.4 22
IV.SERM.EHZ. 2012-05-20T08:30:16.40 0.6 undecidable manual S 3 16.9719 112 0.61 44
IV.RAVA.EHE. 2012-05-20T08:30:15.60 0.3 undecidable manual S 229 17.2716 112 -0.4 70
IV.MODE.HNE. 2012-05-20T08:30:14.95 0.3 undecidable manual P 226 36.6411 50 -0.39 68
IV.FIU.EHE. 2012-05-20T08:30:12.86 0.3 undecidable manual P 146 29.0487 50 -0.58 65
IV.SERM.EHZ. 2012-05-20T08:30:11.54 0.3 undecidable manual P 3 16.9719 112 0.33 71
IV.RAVA.EHE. 2012-05-20T08:30:11.27 0.1 undecidable manual P 229 17.2716 112 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
NI.ACOM.HHE. ML:2.7 0.0000876 0.38 AML other m 2012-05-20T08:31:28.38
NI.ACOM.HHN. ML:2.6 0.00007919999999999999 0.5 AML other m 2012-05-20T08:31:32.18
NI.AGOR.HHN. ML:2.4 0.00011850000000000001 1.12 AML other m 2012-05-20T08:31:00.37
NI.AGOR.HHE. ML:2.4 0.0000969 0.32 AML other m 2012-05-20T08:31:06.33
IV.ASQU.HHN. ML:2.2 0.000124 1.58 AML other m 2012-05-20T08:30:49.81
IV.ASQU.HHE. ML:2.2 0.00011174999999999999 0.34 AML other m 2012-05-20T08:30:50.52
IV.MABI.HHN. ML:2.2 0.00008615000000000001 0.74 AML other m 2012-05-20T08:30:51.72
IV.MABI.HHE. ML:2.2 0.0000936 0.46 AML other m 2012-05-20T08:30:51.73
IV.MAGA.HHE. ML:3.2 0.001175 0.76 AML other m 2012-05-20T08:30:44.41
IV.MAGA.HHN. ML:3.1 0.0009295 0.4 AML other m 2012-05-20T08:30:44.82
GU.MAIM.HHE. ML:2.2 0.0001235 0.36 AML other m 2012-05-20T08:30:50.01
GU.MAIM.HHN. ML:2.3 0.000132 0.7 AML other m 2012-05-20T08:30:55.49
SI.MOSI.HHN. ML:2.8 0.00019350000000000001 0.92 AML other m 2012-05-20T08:31:07.65
SI.MOSI.HHE. ML:2.7 0.00013550000000000001 0.3 AML other m 2012-05-20T08:31:11.38
IV.MSSA.HHN. ML:2.4 0.00011774999999999999 1.46 AML other m 2012-05-20T08:31:02.35
IV.MSSA.HHE. ML:2.2 0.00008199999999999999 0.54 AML other m 2012-05-20T08:30:58.34
NI.POLC.HHN. ML:2.8 0.000315 0.42 AML other m 2012-05-20T08:30:59.10
NI.POLC.HHE. ML:2.6 0.00016450000000000001 0.96 AML other m 2012-05-20T08:30:58.74
GU.POPM.HHN. ML:2.2 0.000175 0.28 AML other m 2012-05-20T08:30:44.21
GU.POPM.HHE. ML:2.1 0.0001225 1.24 AML other m 2012-05-20T08:30:48.45
IV.PRMA.HHE. ML:2.2 0.00022999999999999998 0.2 AML other m 2012-05-20T08:30:39.82
IV.PRMA.HHN. ML:2.3 0.0002755 1.44 AML other m 2012-05-20T08:30:40.76
SI.RISI.HHE. ML:2.8 0.000128 0.4 AML other m 2012-05-20T08:31:22.77
SI.RISI.HHN. ML:2.9 0.000155 0.3 AML other m 2012-05-20T08:31:25.60
IV.ROVR.HHE. ML:2.7 0.000597 1.54 AML other m 2012-05-20T08:30:37.66
IV.ROVR.HHN. ML:3.0 0.0012000000000000001 1.48 AML other m 2012-05-20T08:30:38.17
IV.SALO.HHE. ML:2.6 0.000404 1.16 AML other m 2012-05-20T08:30:42.88
IV.SALO.HHN. ML:2.7 0.0004275 0.54 AML other m 2012-05-20T08:30:43.03
IV.STAL.HHE. ML:2.8 0.00022600000000000002 0.34 AML other m 2012-05-20T08:31:05.70
IV.STAL.HHN. ML:2.8 0.0002095 1.44 AML other m 2012-05-20T08:31:05.69
IV.TEOL.HHE. ML:2.7 0.0010145 0.52 AML other m 2012-05-20T08:30:30.79
IV.TEOL.HHN. ML:2.6 0.0006995 0.52 AML other m 2012-05-20T08:30:33.61
IV.ZCCA.HHE. ML:2.1 0.0002445 1.56 AML other m 2012-05-20T08:30:33.12
IV.ZCCA.HHN. ML:2.1 0.0002485 0.62 AML other m 2012-05-20T08:30:33.70
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