Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 20-04-2016 and time 13:10:35 (Italy) in region 8 km SW Sermide (MN)

A magnitude ML 2.3 earthquake occured in region: 8 km SW Sermide (MN), on

  • 20-04-2016 11:10:35 (UTC)
  • 20-04-2016 13:10:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.9410, 11.2460 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
Sermide MN 9 6189 6189
Magnacavallo MN 9 1561 7750
Felonica MN 10 1359 9109
Castelmassa RO 10 4252 13361
Castelnovo Bariano RO 10 2762 16123
Calto RO 10 743 16866
Carbonara di Po MN 11 1297 18163
Poggio Rusco MN 11 6625 24788
Villa Poma MN 12 2023 26811
Borgofranco sul Po MN 13 784 27595
Finale Emilia MO 13 15699 43294
Ceneselli RO 13 1719 45013
San Giovanni del Dosso MN 13 1248 46261
Bergantino RO 13 2565 48826
San Felice sul Panaro MO 14 10900 59726
Melara RO 14 1803 61529
Schivenoglia MN 14 1203 62732
Ficarolo RO 15 2438 65170
Bondeno FE 15 14655 79825
Pieve di Coriano MN 15 1035 80860
Salara RO 15 1160 82020
Mirandola MO 15 23875 105895
Revere MN 16 2521 108416
Ostiglia MN 17 6818 115234
Medolla MO 17 6308 121542
San Giacomo delle Segnate MN 17 1639 123181
Gaiba RO 19 1063 124244
Camposanto MO 19 3201 127445
Serravalle a Po MN 19 1541 128986
Quingentole MN 19 1203 130189
Trecenta RO 20 2805 132994
Sant'Agostino FE 20 6853 139847

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Ferrara (133155 inhabitants)
33 Km NE of Carpi (70699 inhabitants)
41 Km NE of Modena (184973 inhabitants)
45 Km W of Rovigo (51867 inhabitants)
50 Km N of Bologna (386663 inhabitants)
56 Km E of Reggio nell'Emilia (171345 inhabitants)
59 Km SE of Verona (258765 inhabitants)
72 Km SW of Vicenza (112953 inhabitants)
72 Km SW of Padova (210401 inhabitants)
74 Km E of Parma (192836 inhabitants)
75 Km NW of Imola (69797 inhabitants)
89 Km NW of Faenza (58541 inhabitants)
95 Km NW of Ravenna (159116 inhabitants)
98 Km E of Cremona (71901 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 2.3 2016-04-20
11:10:35		 44.9408 11.2465 9 2016-05-17
13:18:32		 Bollettino Sismico Italiano INGV 24670741
Reviewed
Rev100 		ML 2.1 2016-04-20
11:10:35		 44.9138 11.2668 6 2016-04-20
11:24:41		 Sala Sismica INGV-Roma 24505641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-04-20 11:10:35 ± 0.12
Latitude 44.9408 ± 0.0072
Longitude 11.2465 ± 0.0152
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 24670741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1119
Semi-minor axis of confidence ellipse (meter) 729
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 1120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.52435
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 24505641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-04-20 11:24:41

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 24670741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-05-03 08:43:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RESU.HHZ. 2016-04-20T11:12:24.09 3.0 undecidable manual Pn -5.57 0
IV.PIPA.HHZ. 2016-04-20T11:12:23.88 3.0 positive manual Pn 4.46 0
IV.SPS2.HHZ. 2016-04-20T11:12:21.68 3.0 negative manual Pn 2.86 0
IV.SMA1.EHZ. 2016-04-20T11:12:03.99 3.0 undecidable manual Sg 3.76 0
IV.PIGN.HNZ. 2016-04-20T11:11:57.03 3.0 undecidable manual Pg 12.34 0
IV.PP3.EHZ. 2016-04-20T11:11:50.99 3.0 undecidable manual Sg 1.66 0
IV.PTRJ.HHZ. 2016-04-20T11:11:49.13 3.0 undecidable manual Pg 4.53 0
IV.LATB.EHZ. 2016-04-20T11:11:31.73 3.0 undecidable manual Pn -4.1 0
IV.LAV9.HHZ. 2016-04-20T11:11:30.76 3.0 undecidable manual Pn -1.81 0
IV.VCEL.EHZ. 2016-04-20T11:11:28.60 3.0 negative manual Pn -0.32 0
IV.ARRO.EHZ. 2016-04-20T11:11:21.59 3.0 positive manual Pg 0.33 0
MN.AQU.HHZ. 2016-04-20T11:11:21.62 3.0 negative manual Pn -5.37 0
SI.KOSI.HHZ. 2016-04-20T11:11:03.90 0.6 undecidable manual P 3 169.2084 50 -0.28 35
IV.MSSA.HHZ. 2016-04-20T11:11:01.77 0.6 undecidable manual P 244 153.1356 50 0.2 38
OX.VARN.HHZ. 2016-04-20T11:10:57.86 0.6 undecidable manual P 29 134.3655 50 -0.67 35
IV.CTI.HHZ. 2016-04-20T11:10:56.99 0.3 undecidable manual P 14 126.7731 50 -0.3 60
SI.LUSI.HHZ. 2016-04-20T11:10:55.76 0.3 undecidable manual P 348 115.3956 50 0.32 61
GU.GRAM.HHZ. 2016-04-20T11:10:54.05 0.6 undecidable manual P 242 105.6165 50 0.21 43
OX.CGRP.HHZ. 2016-04-20T11:10:54.29 0.6 undecidable manual P 22 112.8981 50 -0.75 36
ST.DOSS.HHZ. 2016-04-20T11:10:53.38 0.1 undecidable manual P 358 104.3178 50 -0.26 84
IV.MAGA.HHZ. 2016-04-20T11:10:53.68 0.3 undecidable manual P 333 104.3178 50 0.04 66
IV.LMD.HHZ. 2016-04-20T11:10:53.74 0.6 undecidable manual P 159 102.5196 50 0.4 41
IV.SALO.HHZ. 2016-04-20T11:10:52.35 0.3 undecidable manual P 323 93.9393 50 0.4 63
IV.ROVR.HHZ. 2016-04-20T11:10:49.97 0.1 undecidable manual P 350 79.4649 50 0.37 87
IV.MTRZ.HNN. 2016-04-20T11:10:49.10 0.3 undecidable manual P 169 71.0733 50 0.87 55
IV.ZCCA.HHZ. 2016-04-20T11:10:48.30 0.3 undecidable manual P 198 68.8755 50 0.43 65
IV.ZOVE.HNZ. 2016-04-20T11:10:46.02 0.3 undecidable manual P 18 59.8956 99 -0.31 68
IV.TEOL.HHZ. 2016-04-20T11:10:45.49 0.3 undecidable manual P 35 57.3981 99 -0.4 67
IV.RAVA.EHZ. 2016-04-20T11:10:43.60 0.3 undecidable manual S 206 22.8549 112 -0.03 77
IV.CAVE.HHZ. 2016-04-20T11:10:43.00 0.6 undecidable manual S 247 20.868 114 0 52
IV.FIU.EHN. 2016-04-20T11:10:42.13 0.6 undecidable manual P 150 38.5281 103 -0.37 47
IV.SERM.EHZ. 2016-04-20T11:10:40.63 0.6 undecidable manual S 27 8.5803 137 1.1 37
IV.CAVE.HHZ. 2016-04-20T11:10:39.05 0.3 undecidable manual P 247 20.868 114 -0.37 72
IV.RAVA.EHZ. 2016-04-20T11:10:38.96 0.1 undecidable manual P 206 22.8549 112 -0.8 83
IV.SERM.EHZ. 2016-04-20T11:10:37.85 0.1 undecidable manual P 27 8.5803 137 0.3 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAVE.HHN. ML:2.3 0.0013199999999999998 0.28 AML other m 2016-04-20T11:10:50.25
IV.CAVE.HHE. ML:2.3 0.00138 0.32 AML other m 2016-04-20T11:10:50.12
OX.CGRP.HHE. ML:2.0 0.0000751 0.34 AML other m 2016-04-20T11:11:11.34
OX.CGRP.HHN. ML:2.0 0.00007815 0.82 AML other m 2016-04-20T11:11:19.00
IV.CTI.HHE. ML:2.6 0.000248 0.16 AML other m 2016-04-20T11:11:15.40
IV.CTI.HHN. ML:2.7 0.0003195 0.38 AML other m 2016-04-20T11:11:14.48
ST.DOSS.HNE. ML:2.4 0.0002109 0.46 AML other m 2016-04-20T11:11:07.94
ST.DOSS.HHN. ML:2.3 0.0001895 0.42 AML other m 2016-04-20T11:11:07.93
ST.DOSS.HHE. ML:2.2 0.000135 0.44 AML other m 2016-04-20T11:11:17.23
ST.DOSS.HNN. ML:2.2 0.00014000000000000001 1.56 AML other m 2016-04-20T11:11:11.55
GU.GRAM.HHE. ML:2.2 0.00014800000000000002 0.54 AML other m 2016-04-20T11:11:12.16
GU.GRAM.HHN. ML:2.2 0.00014000000000000001 0.34 AML other m 2016-04-20T11:11:13.77
SI.KOSI.HHN. ML:2.3 0.0000811 0.62 AML other m 2016-04-20T11:11:27.64
SI.KOSI.HHE. ML:2.5 0.000134 0.62 AML other m 2016-04-20T11:11:27.58
IV.LMD.HHN. ML:1.8 0.000057050000000000004 1.18 AML other m 2016-04-20T11:11:10.03
IV.LMD.HHE. ML:2.0 0.0000935 0.4 AML other m 2016-04-20T11:11:09.29
SI.LUSI.HHN. ML:2.8 0.000468 1.5 AML other m 2016-04-20T11:11:11.56
SI.LUSI.HHE. ML:2.5 0.000229 0.18 AML other m 2016-04-20T11:11:12.30
IV.MAGA.HHN. ML:2.9 0.0007614999999999999 0.48 AML other m 2016-04-20T11:11:10.52
IV.MAGA.HHE. ML:2.9 0.000805 0.34 AML other m 2016-04-20T11:11:10.54
IV.MSSA.HHN. ML:1.8 0.0000336 0.42 AML other m 2016-04-20T11:11:25.48
IV.MSSA.HHE. ML:1.9 0.00003825 0.54 AML other m 2016-04-20T11:11:26.55
SI.RISI.HHE. ML:2.9 0.00018449999999999999 0.16 AML other m 2016-04-20T11:11:55.97
SI.RISI.HHN. ML:3.0 0.0002315 0.36 AML other m 2016-04-20T11:12:15.25
IV.ROVR.HHE. ML:1.8 0.00008979999999999999 0.88 AML other m 2016-04-20T11:11:03.63
IV.ROVR.HHN. ML:2.0 0.00014900000000000002 0.68 AML other m 2016-04-20T11:11:04.72
IV.SALO.HHE. ML:2.3 0.00021050000000000002 0.44 AML other m 2016-04-20T11:11:07.94
IV.SALO.HHN. ML:2.4 0.000253 1.32 AML other m 2016-04-20T11:11:08.59
IV.TEOL.HHE. ML:2.2 0.000322 0.56 AML other m 2016-04-20T11:10:55.16
IV.TEOL.HHN. ML:2.2 0.000315 0.42 AML other m 2016-04-20T11:10:58.27
OX.VARN.HHN. ML:2.4 0.0001395 0.56 AML other m 2016-04-20T11:11:19.02
OX.VARN.HHE. ML:2.5 0.0001905 0.42 AML other m 2016-04-20T11:11:19.56
IV.ZCCA.HHN. ML:1.7 0.00007915 0.52 AML other m 2016-04-20T11:11:04.42
IV.ZCCA.HHE. ML:1.8 0.00010750000000000001 1.58 AML other m 2016-04-20T11:11:03.26
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