Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 20-05-2012 and time 05:43:36 (UTC) in region 2 km NE Finale Emilia (MO)

A magnitude ML 2.2 earthquake occured in region: 2 km NE Finale Emilia (MO), on

  • 20-05-2012 05:43:36 (UTC)
  • 20-05-2012 07:43:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8530, 11.3110 at 10 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 9 6853 22552
Bondeno FE 9 14655 37207
Mirabello FE 12 3266 40473
San Felice sul Panaro MO 13 10900 51373
Cento FE 14 35686 87059
Ficarolo RO 15 2438 89497
Felonica MN 15 1359 90856
Vigarano Mainarda FE 15 7694 98550
Camposanto MO 15 3201 101751
Pieve di Cento BO 15 7019 108770
Galliera BO 16 5439 114209
Calto RO 16 743 114952
Poggio Renatico FE 17 9852 124804
Sermide MN 17 6189 130993
Gaiba RO 17 1063 132056
Salara RO 17 1160 133216
San Pietro in Casale BO 18 12202 145418
Castelmassa RO 18 4252 149670
Ceneselli RO 19 1719 151389
Medolla MO 19 6308 157697
Castello d'Argile BO 19 6550 164247
Crevalcore BO 19 13465 177712
Castelnovo Bariano RO 20 2762 180474
Magnacavallo MN 20 1561 182035
Mirandola MO 20 23875 205910

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Ferrara (133155 inhabitants)
34 Km E of Carpi (70699 inhabitants)
38 Km NE of Modena (184973 inhabitants)
40 Km N of Bologna (386663 inhabitants)
45 Km SW of Rovigo (51867 inhabitants)
56 Km E of Reggio nell'Emilia (171345 inhabitants)
64 Km NW of Imola (69797 inhabitants)
70 Km SE of Verona (258765 inhabitants)
76 Km SW of Padova (210401 inhabitants)
78 Km NW of Faenza (58541 inhabitants)
78 Km E of Parma (192836 inhabitants)
80 Km S of Vicenza (112953 inhabitants)
85 Km NW of Ravenna (159116 inhabitants)
91 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 2.4 2012-05-20
05:43:37		 44.8068 11.3365 6 2014-10-21
12:19:34		 Sala Sismica INGV-Roma 1318821
Bulletin
Rev1000 		ML 2.2 2012-05-20
05:43:36		 44.853 11.3113 10 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 4915281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-05-20 05:43:36 ± 0.12
Latitude 44.8530 ± 0.0054
Longitude 11.3113 ± 0.0101
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4915281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 920
Semi-minor axis of confidence ellipse (meter) 460
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 304
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.15738
Epicentral distance of station farthest from the epicenter (degree) 1.84091
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:2.4

Field Value
Value 2.4
Uncertainty 0.5
Num. used stations 0
Type of magnitude ML
Reference to an origin 1318821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-05-20 06:07:39

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 4915281
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:47:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.MOSI.HHZ. 2012-05-20T05:44:11.82 1.0 undecidable manual P 343 204.3399 38 0.38 14
SI.KOSI.HHZ. 2012-05-20T05:44:07.30 0.6 undecidable manual P 2 178.6878 38 -0.15 33
NI.CGRP.HHZ. 2012-05-20T05:43:58.44 1.0 undecidable manual P 18 120.2907 38 0.05 21
IV.MAGA.HHZ. 2012-05-20T05:43:57.39 0.6 undecidable manual P 333 115.2957 38 -0.23 40
IV.SALO.HHZ. 2012-05-20T05:43:55.83 0.6 undecidable manual P 324 104.8173 38 -0.15 42
IV.ROVR.HHZ. 2012-05-20T05:43:53.79 0.6 undecidable manual P 348 90.0432 38 0.1 43
IV.TEOL.HHZ. 2012-05-20T05:43:49.02 0.3 undecidable manual P 27 63.1923 38 -0.49 63
IV.RAVA.EHZ. 2012-05-20T05:43:44.90 0.3 undecidable manual S 235 18.5703 50 0.04 75
IV.FIU.EHZ. 2012-05-20T05:43:43.58 0.6 undecidable manual P 149 27.5502 50 0.26 47
IV.RAVA.EHZ. 2012-05-20T05:43:41.02 0.1 negative manual P 235 18.5703 50 -0.06 100
IV.SERM.EHZ. 2012-05-20T05:43:41.26 0.3 undecidable manual P 356 17.4714 50 0.46 69
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
SI.ABSI.HHE. ML:2.1 0.0000355 0.48 AML other m 2012-05-20T05:44:38.01
SI.ABSI.HHN. ML:2.2 0.0000389 0.74 AML other m 2012-05-20T05:44:44.66
NI.CGRP.HHE. ML:1.7 0.0000354 1.58 AML other m 2012-05-20T05:44:40.41
NI.CGRP.HHN. ML:1.7 0.000033600000000000004 1.44 AML other m 2012-05-20T05:44:37.62
IV.MAGA.HHE. ML:2.8 0.0005560000000000001 0.24 AML other m 2012-05-20T05:44:13.87
IV.MAGA.HHN. ML:2.8 0.00048699999999999997 0.34 AML other m 2012-05-20T05:44:13.96
SI.MOSI.HHE. ML:2.1 0.00003585 0.88 AML other m 2012-05-20T05:44:37.44
SI.MOSI.HHN. ML:2.4 0.00006785 0.38 AML other m 2012-05-20T05:44:37.31
IV.RAVA.EHE. ML:3.0 0.007765 0.2 AML other m 2012-05-20T05:43:45.22
IV.RAVA.EHN. ML:2.8 0.004645 0.36 AML other m 2012-05-20T05:43:45.10
IV.ROVR.HHE. ML:2.0 0.000129 0.2 AML other m 2012-05-20T05:44:07.46
IV.ROVR.HHN. ML:2.4 0.0003075 0.4 AML other m 2012-05-20T05:44:08.08
IV.SALO.HHE. ML:2.2 0.0001285 0.66 AML other m 2012-05-20T05:44:11.34
IV.SALO.HHN. ML:2.2 0.0001615 0.4 AML other m 2012-05-20T05:44:12.10
IV.SERM.EHE. ML:1.7 0.00040999999999999994 0.42 AML other m 2012-05-20T05:43:47.56
IV.SERM.EHN. ML:1.9 0.0006795 0.4 AML other m 2012-05-20T05:43:51.59
IV.TEOL.HHN. ML:2.0 0.0001705 0.24 AML other m 2012-05-20T05:44:02.13
IV.TEOL.HHE. ML:2.0 0.00020999999999999998 1.56 AML other m 2012-05-20T05:44:02.02
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