Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 20-05-2012 and time 18:06:06 (Italy) in region 4 km W Mirabello (FE)

A magnitude ML 1.9 earthquake occured in region: 4 km W Mirabello (FE), on

  • 20-05-2012 16:06:06 (UTC)
  • 20-05-2012 18:06:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8380, 11.4140 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV integrato con i dati della Rete Sismica di emergenza.

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
Mirabello FE 4 3266 3266
Bondeno FE 5 14655 17921
Sant'Agostino FE 5 6853 24774
Vigarano Mainarda FE 7 7694 32468
Finale Emilia MO 9 15699 48167
Poggio Renatico FE 10 9852 58019
Galliera BO 10 5439 63458
Ficarolo RO 13 2438 65896
Gaiba RO 14 1063 66959
San Pietro in Casale BO 15 12202 79161
Stienta RO 15 3253 82414
Cento FE 16 35686 118100
Occhiobello RO 16 11979 130079
Pieve di Cento BO 16 7019 137098
Malalbergo BO 16 8943 146041
Ferrara FE 16 133155 279196
Salara RO 16 1160 280356
Felonica MN 17 1359 281715
Calto RO 18 743 282458
Castello d'Argile BO 20 6550 289008
Ceneselli RO 20 1719 290727

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km W of Ferrara (133155 inhabitants)
39 Km N of Bologna (386663 inhabitants)
40 Km SW of Rovigo (51867 inhabitants)
42 Km E of Carpi (70699 inhabitants)
44 Km E of Modena (184973 inhabitants)
59 Km NW of Imola (69797 inhabitants)
64 Km E of Reggio nell'Emilia (171345 inhabitants)
72 Km NW of Faenza (58541 inhabitants)
73 Km SW of Padova (210401 inhabitants)
75 Km SE of Verona (258765 inhabitants)
78 Km NW of Ravenna (159116 inhabitants)
80 Km S of Vicenza (112953 inhabitants)
85 Km NW of Forlì (117913 inhabitants)
86 Km E of Parma (192836 inhabitants)
99 Km SW of Venezia (263352 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
Bulletin
Rev1000 		ML 1.9 2012-05-20
16:06:06		 44.838 11.4135 8 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV integrato con i dati della Rete Sismica di emergenza 5890401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-05-20 16:06:06 ± 0.11
Latitude 44.8380 ± 0.0099
Longitude 11.4135 ± 0.0114
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> REMO-INGV
Event type earthquake
Origin ID 5890401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2004
Semi-minor axis of confidence ellipse (meter) 1780
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 1100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 190
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.0364
Epicentral distance of station closest to the epicenter (degree) 0.04856
Epicentral distance of station farthest from the epicenter (degree) 1.08818
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 5890401
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:47:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MAGA.HHZ. 2012-05-20T16:06:28.52 0.6 negative manual P 330 120.7902 1.72 1.93
IV.FIU.EHZ. 2012-05-20T16:06:16.49 0.3 negative manual S 164 22.755 0.07 0.53
IV.RAVA.EHZ. 2012-05-20T16:06:12.32 0.3 negative manual P 249 24.9528 -0.02 0.14
IV.T0822.EHZ. 2012-05-20T16:06:11.21 0.1 positive manual S 264 5.3946 0.01 0.08
IV.FIU.EHZ. 2012-05-20T16:06:11.69 0.3 negative manual P 164 22.755 0.03 0.3
IV.SERM.HNZ. 2012-05-20T16:06:11.64 0.6 positive manual P 334 21.2676 0.01 0.25
IV.T0822.EHZ. 2012-05-20T16:06:08.89 0.1 positive manual P 264 5.3946 0 0.05
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIU.EHE. ML:1.7 0.00030649999999999997 1.58 AML other m 2012-05-20T16:06:28.89
IV.FIU.EHN. ML:1.8 0.000427 0.42 AML other m 2012-05-20T16:06:24.09
IV.RAVA.EHE. ML:2.0 0.0005620000000000001 0.54 AML other m 2012-05-20T16:06:39.24
IV.RAVA.EHN. ML:1.9 0.0005285 0.58 AML other m 2012-05-20T16:07:23.00
IV.ROVR.HHE. ML:1.8 0.00007705 0.94 AML other m 2012-05-20T16:06:39.36
IV.ROVR.HHN. ML:2.1 0.00013000000000000002 0.6 AML other m 2012-05-20T16:06:38.89
GU.POPM.HHE. ML:2.0 0.00009115 0.2 AML other m 2012-05-20T16:06:27.52
GU.POPM.HHN. ML:1.9 0.00007764999999999999 0.8 AML other m 2012-05-20T16:06:27.50
IV.MAGA.HHE. ML:2.1 0.00009534999999999999 1.4 AML other m 2012-05-20T16:06:45.85
IV.MAGA.HHN. ML:2.1 0.00009039999999999999 0.48 AML other m 2012-05-20T16:06:45.85
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