Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 11-04-2019 and time 14:03:46 (UTC) in region 4 km NE Vernio (PO)

A magnitude ML 1.4 earthquake occured in region: 4 km NE Vernio (PO), on

  • 11-04-2019 14:03:46 (UTC)
  • 11-04-2019 16:03:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0850, 11.1860 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.

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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
Vernio PO 4 6060 6060
Castiglione dei Pepoli BO 7 5648 11708
Cantagallo PO 9 3105 14813
Barberino di Mugello FI 10 10836 25649
Camugnano BO 12 1885 27534
Vaiano PO 14 9895 37429
Castel di Casio BO 15 3448 40877
Sambuca Pistoiese PT 15 1626 42503
San Benedetto Val di Sambro BO 15 4315 46818
Firenzuola FI 16 4726 51544
Scarperia e San Piero FI 18 12217 63761
Monghidoro BO 18 3749 67510
Alto Reno Terme BO 18 6960 74470
Grizzana Morandi BO 19 3916 78386

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Prato (191150 inhabitants)
27 Km NE of Pistoia (90315 inhabitants)
35 Km N of Firenze (382808 inhabitants)
36 Km N of Scandicci (50609 inhabitants)
47 Km S of Bologna (386663 inhabitants)
52 Km SW of Imola (69797 inhabitants)
60 Km W of Faenza (58541 inhabitants)
61 Km E of Lucca (89046 inhabitants)
66 Km SE of Modena (184973 inhabitants)
70 Km W of Forlì (117913 inhabitants)
75 Km NE of Pisa (89158 inhabitants)
79 Km E of Viareggio (62467 inhabitants)
81 Km SE of Carpi (70699 inhabitants)
81 Km SE of Reggio nell'Emilia (171345 inhabitants)
84 Km E of Massa (69479 inhabitants)
85 Km W of Cesena (96758 inhabitants)
86 Km N of Siena (53903 inhabitants)
87 Km E of Carrara (63133 inhabitants)
89 Km NW of Arezzo (99543 inhabitants)
89 Km W of Ravenna (159116 inhabitants)
91 Km SW of Ferrara (133155 inhabitants)
92 Km NE of Livorno (159219 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 1.4 2019-04-11
14:03:46		 44.0847 11.1855 10 2019-08-22
08:24:59		 Bollettino Sismico Italiano INGV 68349561
Reviewed
Rev100 		ML 1.6 2019-04-11
14:03:46		 44.0847 11.1855 10 2019-04-11
14:15:00		 Sala Sismica INGV-Roma 67462611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-11 14:03:46 ± 0.06
Latitude 44.0847 ± 0.0018
Longitude 11.1855 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68349561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 220
Semi-minor axis of confidence ellipse (meter) 6
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 354
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33904
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 68349561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-08 06:04:33

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 67462611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-11 14:15:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ECTS.EHZ. 2019-04-11T14:05:28.64 3.0 undecidable manual Pg 21.32 0
IV.MILZ.HHZ. 2019-04-11T14:05:13.70 3.0 positive manual Pg 10.78 0
IT.ORP.HGZ. 2019-04-11T14:05:08.02 3.0 undecidable manual Sn -3.78 0
IV.SGTA.HHZ. 2019-04-11T14:05:08.61 3.0 undecidable manual Sn -6.93 0
IV.CAR1.HHZ. 2019-04-11T14:05:06.48 3.0 undecidable manual Pg 10.04 0
IV.GIB.HHZ. 2019-04-11T14:04:59.73 3.0 negative manual Pn -2.32 0
IV.MTGR.HHZ. 2019-04-11T14:04:55.88 3.0 negative manual Pn -4.72 0
IT.VNF1.HGZ. 2019-04-11T14:04:53.61 3.0 undecidable manual Sn -0.5 0
IV.ORZI.HHZ. 2019-04-11T14:04:43.43 3.0 undecidable manual Sg 9.67 0
IV.CRAC.EHZ. 2019-04-11T14:04:39.10 3.0 positive manual Pn -6.94 0
MN.BNI.HHZ. 2019-04-11T14:04:33.54 3.0 negative manual Pn 2.27 0
IT.VNF1.HGZ. 2019-04-11T14:04:29.88 3.0 negative manual Pg 10.85 0
IV.MCRV.HHZ. 2019-04-11T14:04:28.26 3.0 undecidable manual Pn -5.05 0
MN.TRI.HHZ. 2019-04-11T14:04:19.01 3.0 positive manual Pg 7.07 0
IV.FOSV.EHZ. 2019-04-11T14:04:14.71 3.0 undecidable manual Sg 4.28 0
IV.ARVD.HHZ. 2019-04-11T14:04:10.47 3.0 undecidable manual Sn -0.28 0
IV.CAMP.HHZ. 2019-04-11T14:04:08.33 3.0 positive manual Pg 3.86 0
IV.MPPT.EHZ. 2019-04-11T14:03:53.20 0.3 undecidable manual S 208 15.9729 122 0 75
GU.POPM.HHZ. 2019-04-11T14:03:53.56 1.0 undecidable manual P 263 34.4433 50 0.09 24
IV.RUFI.EHZ. 2019-04-11T14:03:53.84 1.0 negative manual P 136 37.629 50 -0.12 23
IV.ARVD.HHZ. 2019-04-11T14:03:52.92 3.0 undecidable manual P -1.75 0
IV.MTCR.EHZ. 2019-04-11T14:03:52.99 0.1 undecidable manual S 247 15.873 123 -0.17 96
IV.SEI.HHZ. 2019-04-11T14:03:52.66 0.3 undecidable manual S 104 14.1747 126 -0.01 75
IV.MOCL.EHZ. 2019-04-11T14:03:51.36 0.3 undecidable manual S 182 8.88 139 0.07 75
IV.FNVD.HHE. 2019-04-11T14:03:51.74 0.3 undecidable manual S 332 10.4784 134 0.05 75
IV.SEI.HHZ. 2019-04-11T14:03:50.05 0.1 negative manual P 104 14.1747 126 -0.06 99
IV.MPPT.EHZ. 2019-04-11T14:03:50.48 0.1 positive manual P 208 15.9729 122 0.06 98
IV.MTCR.EHZ. 2019-04-11T14:03:50.51 0.1 negative manual P 247 15.873 123 0.11 97
IV.FNVD.HHE. 2019-04-11T14:03:49.51 0.1 undecidable manual P 332 10.4784 134 -0.03 100
IV.MOCL.EHZ. 2019-04-11T14:03:49.37 1.0 undecidable manual P 182 8.88 139 0.05 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHN. ML:1.7 0.00054161275 0.224 AML other m 2019-04-11T14:03:53.70
IV.SEI.HHE. ML:1.5 0.00030753725 0.3392 AML other m 2019-04-11T14:03:53.75
IV.MPPT.EHE. ML:1.3 0.00018330940000000002 0.224 AML other m 2019-04-11T14:03:53.35
IV.MPPT.EHN. ML:1.3 0.00017664361 0.1856 AML other m 2019-04-11T14:03:53.44
IV.MTCR.EHN. ML:1.5 0.0002757176 0.1792 AML other m 2019-04-11T14:03:53.33
IV.MTCR.EHE. ML:1.7 0.0004289322 0.1152 AML other m 2019-04-11T14:03:53.07
GU.POPM.HHN. ML:1.2 0.000068666215 0.1408 AML other m 2019-04-11T14:03:59.21
GU.POPM.HHE. ML:1.0 0.00004233579 0.16 AML other m 2019-04-11T14:03:59.39
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