Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 22-05-2018 and time 00:03:57 (Italy) in region 3 km S Mirabello (FE)

A magnitude ML 1.9 earthquake occured in region: 3 km S Mirabello (FE), on

  • 21-05-2018 22:03:57 (UTC)
  • 22-05-2018 00:03:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8000, 11.4540 at 9 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
Mirabello FE 3 3266 3266
Poggio Renatico FE 5 9852 13118
Sant'Agostino FE 5 6853 19971
Vigarano Mainarda FE 6 7694 27665
Galliera BO 6 5439 33104
Bondeno FE 10 14655 47759
Malalbergo BO 11 8943 56702
San Pietro in Casale BO 11 12202 68904
Finale Emilia MO 13 15699 84603
Ferrara FE 14 133155 217758
Pieve di Cento BO 15 7019 224777
Cento FE 15 35686 260463
Occhiobello RO 17 11979 272442
Gaiba RO 17 1063 273505
Ficarolo RO 17 2438 275943
Stienta RO 17 3253 279196
San Giorgio di Piano BO 18 8512 287708
Castello d'Argile BO 18 6550 294258
Baricella BO 18 6951 301209
Bentivoglio BO 18 5469 306678
Argelato BO 19 9844 316522
Minerbio BO 20 8793 325315

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km W of Ferrara (133155 inhabitants)
35 Km N of Bologna (386663 inhabitants)
40 Km SW of Rovigo (51867 inhabitants)
45 Km E of Carpi (70699 inhabitants)
45 Km E of Modena (184973 inhabitants)
54 Km NW of Imola (69797 inhabitants)
66 Km E of Reggio nell'Emilia (171345 inhabitants)
67 Km NW of Faenza (58541 inhabitants)
73 Km NW of Ravenna (159116 inhabitants)
75 Km SW of Padova (210401 inhabitants)
79 Km NW of Forlì (117913 inhabitants)
80 Km SE of Verona (258765 inhabitants)
84 Km S of Vicenza (112953 inhabitants)
89 Km E of Parma (192836 inhabitants)
97 Km NW of Cesena (96758 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 2018-05-21
22:03:57		 44.7998 11.4538 9 2019-04-24
14:50:44		 Bollettino Sismico Italiano INGV 57707311
Reviewed
Rev100 		ML 1.9 2018-05-21
22:03:55		 44.8078 11.3777 10 2018-05-21
22:18:23		 Sala Sismica INGV-Roma 57101461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-21 22:03:57 ± 0.1
Latitude 44.7998 ± 0.0045
Longitude 11.4538 ± 0.0089
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 57707311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 668
Semi-minor axis of confidence ellipse (meter) 477
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 116
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.12051
Epicentral distance of station farthest from the epicenter (degree) 1.25545
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 57707311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-18 22:29:10

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 57101461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-21 22:18:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CTI.HHZ. 2018-05-21T22:04:37.70 0.6 undecidable manual S 6 139.3605 50 0.02 44
IV.MAGA.HHZ. 2018-05-21T22:04:33.50 1.0 undecidable manual S 330 125.874 50 -0.61 19
ST.VARA.EHZ. 2018-05-21T22:04:32.90 1.0 undecidable manual S 339 121.8891 50 -0.13 22
ST.DOSS.HHZ. 2018-05-21T22:04:32.30 1.0 undecidable manual S 350 121.6893 50 -0.68 19
SI.LUSI.HHZ. 2018-05-21T22:04:20.08 0.3 undecidable manual P 343 134.6652 50 0.08 65
IV.CTI.HHZ. 2018-05-21T22:04:20.93 0.1 undecidable manual P 6 139.3605 50 0.21 84
IV.ZOVE.HNZ. 2018-05-21T22:04:19.90 1.0 undecidable manual S 2 72.5718 50 0.03 25
ST.VARA.EHZ. 2018-05-21T22:04:18.28 0.6 undecidable manual P 339 121.8891 50 0.25 43
IV.MAGA.HHZ. 2018-05-21T22:04:18.89 1.0 undecidable manual P 330 125.874 50 0.24 21
IV.ASOL.HNN. 2018-05-21T22:04:17.04 1.0 undecidable manual P 17 116.3946 50 -0.14 22
ST.DOSS.HHZ. 2018-05-21T22:04:17.95 0.3 undecidable manual P 350 121.6893 50 -0.05 67
IV.MBAL.EHZ. 2018-05-21T22:04:16.35 0.3 undecidable manual P 335 109.9122 50 0.17 67
IV.LMD.HHE. 2018-05-21T22:04:12.77 1.0 undecidable manual P 166 82.6506 50 0.79 20
IV.ZOVE.HNZ. 2018-05-21T22:04:10.36 1.0 undecidable manual P 2 72.5718 50 -0.07 25
IV.ZCCA.HNN. 2018-05-21T22:04:08.85 0.6 undecidable manual P 217 62.493 50 -0.03 51
IV.RAVA.EHN. 2018-05-21T22:04:07.50 0.3 undecidable manual S 260 26.8509 108 0.16 79
IV.SERM.EHN. 2018-05-21T22:04:07.30 0.6 undecidable manual S 332 26.3514 108 0.1 53
IV.FIU.EHZ. 2018-05-21T22:04:05.20 0.6 undecidable manual S 170 17.9709 116 0.73 45
IV.FERS.HNZ. 2018-05-21T22:04:03.60 0.6 undecidable manual S 31 13.3755 123 0.51 50
IV.SERM.EHN. 2018-05-21T22:04:03.36 0.3 undecidable manual P 332 26.3514 108 0.24 78
IV.RAVA.EHN. 2018-05-21T22:04:02.80 0.3 undecidable manual P 260 26.8509 108 -0.4 75
IV.FIU.EHZ. 2018-05-21T22:04:01.07 0.1 negative manual P 170 17.9709 116 -0.47 100
IV.FERS.HNZ. 2018-05-21T22:04:00.24 0.1 undecidable manual P 31 13.3755 123 -0.5 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIU.EHN. ML:2.0 0.0009805015500000001 0.1408 AML other m 2018-05-21T22:04:05.43
IV.FIU.EHE. ML:2.0 0.0008980154 0.1408 AML other m 2018-05-21T22:04:05.54
ST.DOSS.HHN. ML:1.7 0.000039349999999999994 0.46 AML other m 2018-05-21T22:04:34.21
ST.DOSS.HHE. ML:1.7 0.000041349999999999995 0.46 AML other m 2018-05-21T22:04:34.85
ST.VARA.EHN. ML:1.8 0.0000447 0.7 AML other m 2018-05-21T22:04:35.07
ST.VARA.EHE. ML:2.0 0.00006685 0.76 AML other m 2018-05-21T22:04:35.87
IV.MAGA.HHE. ML:2.0 0.00006994999999999999 0.48 AML other m 2018-05-21T22:04:37.72
IV.MAGA.HHN. ML:1.7 0.000037 0.22 AML other m 2018-05-21T22:04:37.78
SI.LUSI.HHE. ML:1.8 0.00003515 0.34 AML other m 2018-05-21T22:04:38.19
IV.CTI.HHN. ML:1.7 0.000028999999999999997 0.5 AML other m 2018-05-21T22:04:39.68
SI.LUSI.HHN. ML:1.9 0.0000493 1.34 AML other m 2018-05-21T22:04:40.73
IV.CTI.HHE. ML:1.8 0.00003435000000000001 1.6 AML other m 2018-05-21T22:04:40.08
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