Earthquake with magnitude of ML 1.7 on date 19-12-2017 and time 01:15:46 (UTC) in region 2 km W Bardi (PR)

A magnitude ML 1.7 earthquake occured in region: 2 km W Bardi (PR), on

  • 19-12-2017 01:15:46 (UTC)
  • 19-12-2017 02:15:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.6280, 9.7100 at 22 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bardi PR 2 2227 2227
Morfasso PC 11 1024 3251
Varsi PR 12 1230 4481
Bore PR 12 749 5230
Farini PC 15 1290 6520
Compiano PR 15 1112 7632
Bedonia PR 15 3482 11114
Valmozzola PR 15 539 11653
Borgo Val di Taro PR 16 6999 18652
Ferriere PC 17 1294 19946
Tornolo PR 17 1010 20956
Bettola PC 19 2828 23784

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km S of Piacenza (102191 inhabitants)
53 Km W of Parma (192836 inhabitants)
59 Km N of La Spezia (93959 inhabitants)
62 Km SW of Cremona (71901 inhabitants)
66 Km E of Genova (586655 inhabitants)
69 Km NW of Carrara (63133 inhabitants)
73 Km W of Reggio nell'Emilia (171345 inhabitants)
74 Km NW of Massa (69479 inhabitants)
76 Km SE of Pavia (72576 inhabitants)
92 Km E of Alessandria (93943 inhabitants)
95 Km W of Carpi (70699 inhabitants)
95 Km NW of Viareggio (62467 inhabitants)
96 Km W of Modena (184973 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 1.7 2017-12-19
01:15:46
44.628 9.7102 22 2018-09-04
09:10:41
Bollettino Sismico Italiano INGV 55108891
Reviewed
Rev100
ML 1.7 2017-12-19
01:15:46
44.6258 9.7168 10 2017-12-19
01:30:17
Sala Sismica INGV-Roma 52667931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-19 01:15:46 ± 0.13
Latitude 44.6280 ± 0.0045
Longitude 9.7102 ± 0.0051
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 55108891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 560
Semi-minor axis of confidence ellipse (meter) 148
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 208
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.23292
Epicentral distance of station farthest from the epicenter (degree) 1.07739
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 55108891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-08-27 08:59:07

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 52667931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-19 01:30:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2017-12-19T01:16:21.51 0.6 undecidable manual S 147 119.5914 96 0.48 38
GU.SARM.EHE. 2017-12-19T01:16:09.16 0.6 undecidable manual S 132 73.6707 100 0.3 43
IV.PLMA.HHZ. 2017-12-19T01:16:06.89 0.3 undecidable manual S 170 65.1903 101 0.25 66
IV.PII.HHZ. 2017-12-19T01:16:06.61 0.3 undecidable manual P 147 119.5914 96 0.17 61
GU.RNCA.HHZ. 2017-12-19T01:16:05.75 0.6 undecidable manual S 254 62.493 102 -0.19 45
GU.EQUI.HHZ. 2017-12-19T01:16:05.76 0.3 undecidable manual S 145 62.0934 102 -0.09 69
GU.SARM.EHE. 2017-12-19T01:15:59.07 0.3 undecidable manual P 132 73.6707 100 -0.34 64
IV.MSSA.HHZ. 2017-12-19T01:15:59.76 0.6 undecidable manual S 204 37.8288 112 0.14 48
GU.GORR.HHZ. 2017-12-19T01:15:58.33 0.3 undecidable manual S 266 33.0447 115 -0.13 72
GU.GRAM.HHZ. 2017-12-19T01:15:58.08 0.3 undecidable manual S 118 31.9458 116 -0.11 72
IV.BOB.HNE. 2017-12-19T01:15:57.09 0.3 undecidable manual S 307 25.8519 123 0.31 71
IV.PLMA.HHZ. 2017-12-19T01:15:57.94 0.3 undecidable manual P 170 65.1903 101 -0.19 67
GU.RNCA.HHZ. 2017-12-19T01:15:57.84 0.1 undecidable manual P 254 62.493 102 0.11 92
GU.EQUI.HHZ. 2017-12-19T01:15:57.51 0.3 undecidable manual P 145 62.0934 102 -0.16 68
GU.FIVI.HNN. 2017-12-19T01:15:56.52 0.3 undecidable manual P 142 54.3012 104 0.02 71
IV.MSSA.HHZ. 2017-12-19T01:15:53.91 0.3 undecidable manual P 204 37.8288 112 -0.17 71
GU.GRAM.HHZ. 2017-12-19T01:15:53.11 0.3 undecidable manual P 118 31.9458 116 -0.14 72
GU.GORR.HHZ. 2017-12-19T01:15:53.45 0.3 undecidable manual P 266 33.0447 115 0.04 74
IV.BOB.HNE. 2017-12-19T01:15:52.46 0.1 undecidable manual P 307 25.8519 123 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GORR.HHE. ML:1.9 0.00030839105 0.16 AML other m 2017-12-19T01:15:58.61
GU.GRAM.HHN. ML:1.8 0.000248 0.52 AML other m 2017-12-19T01:15:58.77
GU.GRAM.HHE. ML:1.8 0.00021537525000000002 0.22 AML other m 2017-12-19T01:16:02.71
GU.RNCA.HHE. ML:1.3 0.0000407649 0.12 AML other m 2017-12-19T01:16:06.51
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