Earthquake with magnitude of ML 1.5 on date 16-04-2020 and time 14:31:23 (Italy) in region 1 km W Corte Brugnatella (PC)

A magnitude ML 1.5 earthquake occured in region: 1 km W Corte Brugnatella (PC), on

  • 16-04-2020 12:31:23 (UTC)
  • 16-04-2020 14:31:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.7130, 9.3670 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Corte Brugnatella PC 1 586 586
Cerignale PC 4 127 713
Coli PC 5 879 1592
Bobbio PC 6 3577 5169
Brallo di Pregola PV 7 599 5768
Zerba PC 8 77 5845
Ottone PC 10 516 6361
Menconico PV 12 360 6721
Santa Margherita di Staffora PV 12 473 7194
Ferriere PC 13 1294 8488
Gorreto GE 13 97 8585
Romagnese PV 14 687 9272
Farini PC 16 1290 10562
Rovegno GE 17 554 11116
Fabbrica Curone AL 17 656 11772
Varzi PV 18 3279 15051
Pecorara PC 18 730 15781
Carrega Ligure AL 18 84 15865
Fontanigorda GE 19 277 16142
Zavattarello PV 19 991 17133
Fascia GE 19 81 17214
Santo Stefano d'Aveto GE 20 1126 18340
Valverde PV 20 287 18627

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SW of Piacenza (102191 inhabitants)
48 Km NE of Genova (586655 inhabitants)
55 Km SE of Pavia (72576 inhabitants)
63 Km E of Alessandria (93943 inhabitants)
70 Km SW of Cremona (71901 inhabitants)
77 Km W of Parma (192836 inhabitants)
77 Km NW of La Spezia (93959 inhabitants)
78 Km SE of Vigevano (63310 inhabitants)
83 Km NE of Savona (61345 inhabitants)
85 Km S of Milano (1345851 inhabitants)
91 Km NW of Carrara (63133 inhabitants)
92 Km S of Sesto San Giovanni (81608 inhabitants)
94 Km E of Asti (76202 inhabitants)
94 Km S of Rho (50434 inhabitants)
95 Km S of Cinisello Balsamo (75078 inhabitants)
97 Km S of Monza (122671 inhabitants)
97 Km NW of Massa (69479 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 2020-04-16
12:31:23
44.7132 9.3667 9 2020-07-18
21:08:34
Bollettino Sismico Italiano INGV 78440421
Reviewed
Rev100
ML 1.5 2020-04-16
12:31:23
44.7218 9.3483 9 2020-04-16
12:42:34
Sala Sismica INGV-Roma 78286301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-16 12:31:23 ± 0.07
Latitude 44.7132 ± 0.0027
Longitude 9.3667 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78440421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 289
Semi-minor axis of confidence ellipse (meter) 192
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 16
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38221
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.5
Num. used stations 5
Type of magnitude ML
Reference to an origin 78440421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-10 22:06:54

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 7
Type of magnitude ML
Reference to an origin 78286301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-16 12:42:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.KBN.HHZ. 2020-04-16T12:31:58.71 3.0 negative manual Pn 9.43 0
GU.RNCA.HHZ. 2020-04-16T12:31:37.69 0.3 undecidable manual S 231 42.4242 50 -0.12 69
GU.RNCA.HHZ. 2020-04-16T12:31:31.95 0.3 undecidable manual P 231 42.4242 50 0.12 69
GU.GORR.HHZ. 2020-04-16T12:31:29.20 0.3 undecidable manual S 206 13.1757 125 -0.05 74
IV.BOB.HHZ. 2020-04-16T12:31:28.07 0.3 undecidable manual S 46 8.7801 137 -0.05 74
GU.GORR.HHZ. 2020-04-16T12:31:26.96 0.1 undecidable manual P 206 13.1757 125 0.08 98
IV.BOB.HHZ. 2020-04-16T12:31:26.24 0.1 undecidable manual P 46 8.7801 137 0 100
CR.ZAG.BHZ. 2020-04-16T12:31:13.56 3.0 undecidable manual Pn 4.66 0
IV.RMP.HHZ. 2020-04-16T12:30:51.67 3.0 undecidable manual S 0.91 0
IV.FIR.HHZ. 2020-04-16T12:30:23.13 3.0 undecidable manual P -4.02 0
IV.MAON.HHZ. 2020-04-16T12:30:22.60 3.0 undecidable manual P -2.64 0
IV.PE3.EHZ. 2020-04-16T12:30:22.18 3.0 negative manual P -0.91 0
IV.RIBO.EHZ.01 2020-04-16T12:30:19.36 3.0 positive manual P -3.43 0
TV.SF04.EHZ. 2020-04-16T12:30:12.94 3.0 positive manual P -1.15 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BOB.HHN. ML:1.7 0.0007605 0.6 AML other m 2020-04-16T12:31:28.42
GU.GORR.HHE. ML:1.5 0.000356 0.2 AML other m 2020-04-16T12:31:29.31
GU.GORR.HHN. ML:1.7 0.0005505 0.18 AML other m 2020-04-16T12:31:29.55
GU.RNCA.HHN. ML:0.7 0.000014556733000000001 0.16 AML other m 2020-04-16T12:31:38.79
GU.RNCA.HHE. ML:0.7 0.000012989566 0.16 AML other m 2020-04-16T12:31:40.80
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