Earthquake with magnitude of ML 1.5 on date 17-10-2020 and time 18:13:18 (Italy) in region 2 km N Corte Brugnatella (PC)

A magnitude ML 1.5 earthquake occured in region: 2 km N Corte Brugnatella (PC), on

  • 17-10-2020 16:13:18 (UTC)
  • 17-10-2020 18:13:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.7290, 9.3750 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.

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 2 586 586
Coli PC 4 879 1465
Bobbio PC 4 3577 5042
Cerignale PC 6 127 5169
Brallo di Pregola PV 7 599 5768
Zerba PC 10 77 5845
Menconico PV 11 360 6205
Santa Margherita di Staffora PV 12 473 6678
Ottone PC 12 516 7194
Romagnese PV 13 687 7881
Ferriere PC 13 1294 9175
Gorreto GE 15 97 9272
Farini PC 16 1290 10562
Pecorara PC 16 730 11292
Varzi PV 18 3279 14571
Fabbrica Curone AL 18 656 15227
Zavattarello PV 18 991 16218
Rovegno GE 18 554 16772
Valverde PV 19 287 17059
Bettola PC 19 2828 19887
Carrega Ligure AL 20 84 19971
Travo PC 20 2087 22058
Nibbiano PC 20 2177 24235

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km SW of Piacenza (102191 inhabitants)
50 Km NE of Genova (586655 inhabitants)
54 Km SE of Pavia (72576 inhabitants)
63 Km E of Alessandria (93943 inhabitants)
68 Km SW of Cremona (71901 inhabitants)
76 Km W of Parma (192836 inhabitants)
77 Km SE of Vigevano (63310 inhabitants)
78 Km NW of La Spezia (93959 inhabitants)
83 Km S of Milano (1345851 inhabitants)
85 Km NE of Savona (61345 inhabitants)
90 Km S of Sesto San Giovanni (81608 inhabitants)
92 Km NW of Carrara (63133 inhabitants)
93 Km SE of Rho (50434 inhabitants)
93 Km S of Cinisello Balsamo (75078 inhabitants)
94 Km E of Asti (76202 inhabitants)
96 Km S of Monza (122671 inhabitants)
98 Km NW of Massa (69479 inhabitants)
99 Km SE of Novara (104380 inhabitants)
99 Km W of Reggio nell'Emilia (171345 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 2020-10-17
16:13:18
44.7293 9.3752 11 2021-02-26
14:56:04
Bollettino Sismico Italiano INGV 84599701
Reviewed
Rev100
ML 1.5 2020-10-17
16:13:18
44.692 9.3712 7 2020-10-17
16:21:32
Sala Sismica INGV-Roma 83853121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-17 16:13:18 ± 0.17
Latitude 44.7293 ± 0.0117
Longitude 9.3752 ± 0.0152
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84599701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1352
Semi-minor axis of confidence ellipse (meter) 1076
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 339
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.75993
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
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 84599701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-04 17:25:05

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 83853121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-17 16:21:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLMA.HHZ. 2020-10-17T16:13:43.40 0.6 undecidable manual S 153 84.3489 50 -0.37 40
IV.CTL8.HNE. 2020-10-17T16:13:38.22 0.6 undecidable manual S 26 67.8765 50 -1.13 31
GU.GRAM.HHZ. 2020-10-17T16:13:37.91 0.6 undecidable manual S 116 60.5949 50 0.5 41
GU.RNCA.HHZ. 2020-10-17T16:13:33.10 0.6 undecidable manual S 230 44.0226 50 0.1 46
IV.PLMA.HHZ. 2020-10-17T16:13:32.71 0.6 undecidable manual P 153 84.3489 50 -0.44 40
GU.PCP.HHN. 2020-10-17T16:13:31.00 0.6 undecidable manual P 253 68.7756 50 0.26 43
IV.CTL8.HNE. 2020-10-17T16:13:31.14 0.1 undecidable manual P 26 67.8765 50 0.54 80
GU.GRAM.HHZ. 2020-10-17T16:13:29.61 0.3 undecidable manual P 116 60.5949 50 0.12 67
GU.RNCA.HHZ. 2020-10-17T16:13:26.79 0.1 undecidable manual P 230 44.0226 50 -0.15 91
IV.BOB.HHZ. 2020-10-17T16:13:22.96 0.6 undecidable manual S 53 7.1928 146 -0.11 49
IV.BOB.HHZ. 2020-10-17T16:13:21.20 0.1 negative manual P 53 7.1928 146 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BOB.HHN. ML:1.7 0.0008449999999999999 0.5 AML other m 2020-10-17T16:13:23.06
IV.BOB.HNN. ML:1.7 0.000798 0.42 AML other m 2020-10-17T16:13:23.52
IV.BOB.HNE. ML:1.7 0.0006979999999999999 0.62 AML other m 2020-10-17T16:13:23.68
IV.BOB.HHE. ML:1.6 0.0006945 0.62 AML other m 2020-10-17T16:13:23.68
GU.RNCA.HHE. ML:0.9 0.00002343178 0.1664 AML other m 2020-10-17T16:13:33.63
GU.RNCA.HHN. ML:0.7 0.000013244470000000001 0.2432 AML other m 2020-10-17T16:13:35.33
GU.GRAM.HHN. ML:1.5 0.0000594 0.22 AML other m 2020-10-17T16:13:39.72
GU.GRAM.HHE. ML:1.4 0.000046899999999999995 0.6 AML other m 2020-10-17T16:13:40.44
IV.PLMA.HHN. ML:1.3 0.00002744316 0.2176 AML other m 2020-10-17T16:13:44.76
IV.PLMA.HHE. ML:1.4 0.000030887249999999995 0.2176 AML other m 2020-10-17T16:13:44.76
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