Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 18-11-2017 and time 18:04:33 (UTC) in region 3 km SE Varano de' Melegari (PR)

A magnitude ML 1.3 earthquake occured in region: 3 km SE Varano de' Melegari (PR), on

  • 18-11-2017 18:04:33 (UTC)
  • 18-11-2017 19:04:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.6670, 10.0420 at 24 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
Varano de' Melegari PR 3 2676 2676
Fornovo di Taro PR 5 6100 8776
Terenzo PR 7 1196 9972
Solignano PR 8 1773 11745
Calestano PR 10 2100 13845
Pellegrino Parmense PR 12 1048 14893
Medesano PR 13 10828 25721
Varsi PR 16 1230 26951
Sala Baganza PR 16 5561 32512
Felino PR 16 8790 41302
Valmozzola PR 16 539 41841
Collecchio PR 17 14403 56244
Salsomaggiore Terme PR 17 19831 76075
Berceto PR 18 2109 78184
Langhirano PR 19 10315 88499
Noceto PR 19 13001 101500

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SW of Parma (192836 inhabitants)
47 Km W of Reggio nell'Emilia (171345 inhabitants)
51 Km SE of Piacenza (102191 inhabitants)
52 Km S of Cremona (71901 inhabitants)
64 Km N of La Spezia (93959 inhabitants)
66 Km N of Carrara (63133 inhabitants)
68 Km W of Carpi (70699 inhabitants)
70 Km W of Modena (184973 inhabitants)
70 Km N of Massa (69479 inhabitants)
90 Km SE of Pavia (72576 inhabitants)
90 Km N of Viareggio (62467 inhabitants)
92 Km E of Genova (586655 inhabitants)
98 Km S of Brescia (196480 inhabitants)
98 Km NW of Lucca (89046 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 1.3 2017-11-18
18:04:33		 44.6667 10.0422 24 2018-09-04
09:09:19		 Bollettino Sismico Italiano INGV 58804261
Reviewed
Rev100 		Md 1.9
ML 1.3 		2017-11-18
18:04:33		 44.6647 10.0285 23 2017-11-18
18:18:13		 Sala Sismica INGV-Roma 51957921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-11-18 18:04:33 ± 0.25
Latitude 44.6667 ± 0.0117
Longitude 10.0422 ± 0.0164
Depth (km) 24 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 58804261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1300
Semi-minor axis of confidence ellipse (meter) 801
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 189
Circular confidence region, given by single value of horizontal uncertainty (meter) 1300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63132
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 5
Type of magnitude ML
Reference to an origin 51957921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-11-18 18:18:13

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 5
Type of magnitude ML
Reference to an origin 58804261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-16 10:07:56

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 9
Type of magnitude Md
Reference to an origin 51957921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-11-18 18:18:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LIK.EHZ.01 2017-11-18T18:06:29.73 3.0 undecidable manual Sn 2.03 0
IV.MTMR.EHZ. 2017-11-18T18:06:12.63 3.0 undecidable manual Pg 18.209999 0
IV.TOLF.HHZ. 2017-11-18T18:05:59.76 3.0 undecidable manual Sn -0.07 0
IV.PTRJ.HNZ. 2017-11-18T18:05:50.71 3.0 negative manual Pn 4.1 0
IV.FOSV.EHZ. 2017-11-18T18:05:48.92 3.0 undecidable manual Sn 1.39 0
IV.GATE.HHZ. 2017-11-18T18:05:44.98 3.0 undecidable manual Pn -3.12 0
IV.APEC.HHZ. 2017-11-18T18:05:41.09 3.0 undecidable manual Sg 2.09 0
IV.VARE.HHZ. 2017-11-18T18:05:24.83 3.0 undecidable manual Sg -1.96 0
IV.IMOL.HNZ. 2017-11-18T18:04:59.20 3.0 negative manual Pg -1.79 0
GU.SARM.EHZ. 2017-11-18T18:04:52.89 0.3 undecidable manual S 152 60.5949 105 0.6 66
IV.MSSA.HHZ. 2017-11-18T18:04:51.85 0.6 undecidable manual S 227 56.8986 106 0.52 44
IV.PLMA.HHZ. 2017-11-18T18:04:45.44 0.3 undecidable manual P 192 70.0743 102 -0.2 71
MN.VLC.HNE. 2017-11-18T18:04:44.27 0.3 undecidable manual P 154 62.493 104 -0.25 71
GU.GORR.HHZ. 2017-11-18T18:04:44.21 0.1 undecidable manual P 264 59.496 105 0.14 97
IV.PRMA.HHE. 2017-11-18T18:04:43.96 0.6 undecidable manual S 63 23.9538 129 0.57 48
GU.SARM.EHZ. 2017-11-18T18:04:43.98 0.3 undecidable manual P 152 60.5949 105 -0.25 71
IV.MSSA.HHZ. 2017-11-18T18:04:43.73 0.1 undecidable manual P 227 56.8986 106 0.05 100
GU.GSCL.HHE. 2017-11-18T18:04:43.85 0.3 undecidable manual P 129 55.5999 106 0.36 71
GU.EQUI.HHE. 2017-11-18T18:04:43.39 0.6 undecidable manual P 171 56.1993 106 -0.19 48
GU.GRAM.HHZ. 2017-11-18T18:04:42.41 0.3 undecidable manual S 174 19.5693 135 -0.11 79
GU.GRAM.HHZ. 2017-11-18T18:04:38.24 0.1 undecidable manual P 174 19.5693 135 -0.35 100
IV.PRMA.HHE. 2017-11-18T18:04:38.77 0.1 undecidable manual P 63 23.9538 129 -0.32 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHE. ML:2.1 0.0006035012 0.14 AML other m 2017-11-18T18:04:42.92
IV.MSSA.HHN. ML:0.9 0.000014533015 1.32 AML other m 2017-11-18T18:04:51.16
IV.MSSA.HHE. ML:1.2 0.000029306690000000005 1.14 AML other m 2017-11-18T18:04:52.34
GU.SARM.EHE. ML:1.3 0.000040591459999999996 1.58 AML other m 2017-11-18T18:04:53.79
GU.SARM.EHN. ML:1.5 0.00005855 1.24 AML other m 2017-11-18T18:04:55.94
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