Earthquake with magnitude of ML 1.5 on date 17-07-2018 and time 12:23:31 (UTC) in region 4 km S Borgo Val di Taro (PR)

A magnitude ML 1.5 earthquake occured in region: 4 km S Borgo Val di Taro (PR), on

  • 17-07-2018 12:23:31 (UTC)
  • 17-07-2018 14:23:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4520, 9.7820 at 8 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
Borgo Val di Taro PR 4 6999 6999
Albareto PR 6 2156 9155
Compiano PR 11 1112 10267
Zeri MS 11 1094 11361
Pontremoli MS 12 7357 18718
Tornolo PR 13 1010 19728
Bedonia PR 13 3482 23210
Valmozzola PR 16 539 23749
Varese Ligure SP 17 2059 25808
Mulazzo MS 18 2424 28232
Berceto PR 18 2109 30341
Filattiera MS 18 2309 32650
Sesta Godano SP 19 1377 34027
Zignago SP 20 532 34559

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km N of La Spezia (93959 inhabitants)
49 Km NW of Carrara (63133 inhabitants)
54 Km NW of Massa (69479 inhabitants)
58 Km SW of Parma (192836 inhabitants)
67 Km S of Piacenza (102191 inhabitants)
68 Km E of Genova (586655 inhabitants)
73 Km W of Reggio nell'Emilia (171345 inhabitants)
75 Km NW of Viareggio (62467 inhabitants)
78 Km S of Cremona (71901 inhabitants)
89 Km NW of Lucca (89046 inhabitants)
93 Km W of Modena (184973 inhabitants)
95 Km W of Carpi (70699 inhabitants)
95 Km SE of Pavia (72576 inhabitants)
96 Km NW of Pisa (89158 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 1.5 2018-07-17
12:23:31
44.4518 9.7817 8 2019-04-24
14:50:50
Bollettino Sismico Italiano INGV 59208131
Reviewed
Rev100
ML 1.5 2018-07-17
12:23:31
44.4522 9.7832 9 2018-07-17
12:29:59
Sala Sismica INGV-Roma 58834561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-07-17 12:23:31 ± 0.1
Latitude 44.4518 ± 0.0063
Longitude 9.7817 ± 0.0063
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 59208131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 498
Semi-minor axis of confidence ellipse (meter) 431
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 13
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.20684
Epicentral distance of station farthest from the epicenter (degree) 0.58456
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 59208131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-31 05:00:20

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 58834561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-07-17 12:29:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.SARM.EHZ. 2018-07-17T12:23:50.27 1.0 undecidable manual S 121 57.3981 50 -0.05 23
MN.VLC.HHZ. 2018-07-17T12:23:50.94 0.3 undecidable manual S 124 57.8976 50 0.49 64
IV.BOB.HHN. 2018-07-17T12:23:46.88 0.3 undecidable manual S 323 43.8228 50 0.18 70
IV.PLMA.HHZ. 2018-07-17T12:23:46.53 0.6 undecidable manual S 173 44.9217 50 -0.46 44
GU.GORR.HHZ. 2018-07-17T12:23:46.09 0.3 undecidable manual S 294 42.3243 50 -0.2 70
GU.EQUI.HHZ. 2018-07-17T12:23:46.15 0.3 undecidable manual S 137 43.3233 50 -0.4 67
GU.GSCL.HHN. 2018-07-17T12:23:44.67 0.3 undecidable manual P 100 64.8906 50 0.97 52
GU.SARM.EHZ. 2018-07-17T12:23:42.70 0.3 undecidable manual P 121 57.3981 50 0.15 69
MN.VLC.HHZ. 2018-07-17T12:23:42.61 0.6 undecidable manual P 124 57.8976 50 -0.02 47
IV.MSSA.HHZ. 2018-07-17T12:23:41.39 0.1 undecidable manual S 234 25.752 108 0.05 99
GU.GORR.HHZ. 2018-07-17T12:23:40.07 0.1 undecidable manual P 294 42.3243 50 -0.15 94
GU.GRAM.HHZ. 2018-07-17T12:23:40.11 0.1 undecidable manual S 79 22.9548 110 -0.28 95
GU.EQUI.HHZ. 2018-07-17T12:23:40.15 0.1 undecidable manual P 137 43.3233 50 -0.22 93
IV.BOB.HHN. 2018-07-17T12:23:40.35 0.1 undecidable manual P 323 43.8228 50 -0.1 95
IV.PLMA.HHZ. 2018-07-17T12:23:40.70 0.3 undecidable manual P 173 44.9217 50 0.07 71
IV.MSSA.HHZ. 2018-07-17T12:23:37.54 0.1 undecidable manual P 234 25.752 108 0.18 96
GU.GRAM.HHZ. 2018-07-17T12:23:36.84 0.1 positive manual P 79 22.9548 110 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLMA.HHN. ML:1.2 0.0000518207645 0.1408 AML other m 2018-07-17T12:23:47.95
GU.GRAM.HHE. ML:2.2 0.00103253135 0.1984 AML other m 2018-07-17T12:23:40.49
IV.MSSA.HHN. ML:1.8 0.00037713505000000003 0.2176 AML other m 2018-07-17T12:23:42.30
IV.MSSA.HHE. ML:1.8 0.00038582795000000004 0.16 AML other m 2018-07-17T12:23:42.21
GU.GORR.HHE. ML:1.4 0.00007370667000000001 0.3392 AML other m 2018-07-17T12:23:49.01
GU.EQUI.HHN. ML:1.1 0.000038890420000000004 0.1152 AML other m 2018-07-17T12:23:48.78
GU.EQUI.HHE. ML:1.3 0.00006082304 0.1024 AML other m 2018-07-17T12:23:47.57
GU.GORR.HHN. ML:1.4 0.000090578145 0.32 AML other m 2018-07-17T12:23:46.59
IV.PLMA.HHE. ML:1.3 0.00006157142499999999 0.1024 AML other m 2018-07-17T12:23:47.43
GU.GRAM.HHN. ML:2.0 0.0007332262000000001 0.1792 AML other m 2018-07-17T12:23:40.24
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