Earthquake with magnitude of ML 1.5 on date 21-05-2020 and time 17:17:54 (Italy) in region 3 km W Corte Brugnatella (PC)

A magnitude ML 1.5 earthquake occured in region: 3 km W Corte Brugnatella (PC), on

  • 21-05-2020 15:17:54 (UTC)
  • 21-05-2020 17:17:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.72, 9.35 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 3 586 586
Cerignale PC 5 127 713
Brallo di Pregola PV 5 599 1312
Bobbio PC 6 3577 4889
Coli PC 6 879 5768
Zerba PC 8 77 5845
Menconico PV 10 360 6205
Santa Margherita di Staffora PV 10 473 6678
Ottone PC 11 516 7194
Romagnese PV 13 687 7881
Gorreto GE 14 97 7978
Ferriere PC 15 1294 9272
Fabbrica Curone AL 16 656 9928
Varzi PV 16 3279 13207
Rovegno GE 17 554 13761
Pecorara PC 17 730 14491
Zavattarello PV 17 991 15482
Carrega Ligure AL 18 84 15566
Valverde PV 18 287 15853
Farini PC 18 1290 17143
Montacuto AL 19 278 17421
Fascia GE 20 81 17502
Fontanigorda GE 20 277 17779

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SW of Piacenza (102191 inhabitants)
48 Km NE of Genova (586655 inhabitants)
53 Km S of Pavia (72576 inhabitants)
61 Km E of Alessandria (93943 inhabitants)
70 Km SW of Cremona (71901 inhabitants)
76 Km SE of Vigevano (63310 inhabitants)
78 Km W of Parma (192836 inhabitants)
79 Km NW of La Spezia (93959 inhabitants)
83 Km NE of Savona (61345 inhabitants)
84 Km S of Milano (1345851 inhabitants)
90 Km S of Sesto San Giovanni (81608 inhabitants)
92 Km E of Asti (76202 inhabitants)
93 Km S of Rho (50434 inhabitants)
93 Km S of Cinisello Balsamo (75078 inhabitants)
94 Km NW of Carrara (63133 inhabitants)
96 Km S of Monza (122671 inhabitants)
98 Km SE of Novara (104380 inhabitants)
99 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 2020-05-21
15:17:54
44.72 9.35 9 2020-11-19
12:36:47
Bollettino Sismico Italiano INGV 79996461
Reviewed
Rev100
ML 1.5 2020-05-21
15:17:54
44.73 9.33 8 2020-05-21
15:26:50
Sala Sismica INGV-Roma 79413591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-21 15:17:54 ± 0.08
Latitude 44.72 ± 0.01
Longitude 9.35 ± 0.01
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 79996461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 631
Semi-minor axis of confidence ellipse (meter) 383
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 137
Circular confidence region, given by single value of horizontal uncertainty (meter) 630
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.08454
Epicentral distance of station farthest from the epicenter (degree) 0.56298
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 79996461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-08 08:11:09

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 79413591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-21 15:26:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.GRAM.HHZ. 2020-05-21T15:18:14.09 0.6 undecidable manual S 114 0.563 50 -0.17 44
GU.RNCA.HHZ. 2020-05-21T15:18:08.74 0.3 undecidable manual S 228 0.3786 50 -0.06 71
IV.SARZ.HHE. 2020-05-21T15:18:07.14 0.6 undecidable manual S 295 0.3381 50 -0.47 44
GU.GRAM.HHZ. 2020-05-21T15:18:05.99 0.1 negative manual P 114 0.563 50 0.02 92
GU.RNCA.HHZ. 2020-05-21T15:18:03.07 0.1 undecidable manual P 228 0.3786 50 0.25 91
IV.SARZ.HHE. 2020-05-21T15:18:02.33 0.3 undecidable manual P 295 0.3381 50 0.2 69
GU.GORR.HHZ. 2020-05-21T15:18:00.14 0.3 undecidable manual S 198 0.1232 123 -0.16 73
IV.BOB.HHZ. 2020-05-21T15:17:59.05 0.1 undecidable manual S 59 0.0845 133 -0.05 100
GU.GORR.HHZ. 2020-05-21T15:17:57.95 0.1 positive manual P 198 0.1232 123 0.04 99
IV.BOB.HHZ. 2020-05-21T15:17:57.26 0.1 negative manual P 59 0.0845 133 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BOB.HNE. ML:1.7 0.0007746892 0.1536 AML other m 2020-05-21T15:17:59.33
IV.BOB.HNN. ML:1.6 0.0005513745 0.1408 AML other m 2020-05-21T15:17:59.26
IV.BOB.HHE. ML:1.7 0.0007783338 0.1664 AML other m 2020-05-21T15:17:59.33
IV.BOB.HHN. ML:1.6 0.00062302615 0.1408 AML other m 2020-05-21T15:17:59.26
GU.GORR.HHE. ML:1.4 0.0002510084 0.1792 AML other m 2020-05-21T15:18:00.70
GU.GORR.HHN. ML:1.7 0.0005137469 0.1792 AML other m 2020-05-21T15:18:00.44
GU.RNCA.HHE. ML:0.9 2.5225205E-5 0.2432 AML other m 2020-05-21T15:18:09.74
GU.RNCA.HHN. ML:0.7 1.40424745E-5 1.8336 AML other m 2020-05-21T15:18:09.00
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