Earthquake with magnitude of ML 1.9 on date 15-04-2020 and time 22:09:42 (Italy) in region 4 km SE Corte Brugnatella (PC)

A magnitude ML 1.9 earthquake occured in region: 4 km SE Corte Brugnatella (PC), on

  • 15-04-2020 20:09:42 (UTC)
  • 15-04-2020 22:09:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.68, 9.41 at 7 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 4 586 586
Cerignale PC 5 127 713
Coli PC 7 879 1592
Ferriere PC 8 1294 2886
Ottone PC 9 516 3402
Zerba PC 10 77 3479
Bobbio PC 10 3577 7056
Brallo di Pregola PV 12 599 7655
Gorreto GE 12 97 7752
Farini PC 13 1290 9042
Santo Stefano d'Aveto GE 15 1126 10168
Rovegno GE 15 554 10722
Menconico PV 17 360 11082
Fontanigorda GE 17 277 11359
Santa Margherita di Staffora PV 17 473 11832
Rezzoaglio GE 17 995 12827
Fascia GE 19 81 12908
Romagnese PV 19 687 13595
Bettola PC 19 2828 16423
Carrega Ligure AL 20 84 16507
Rondanina GE 20 62 16569

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km SW of Piacenza (102191 inhabitants)
48 Km NE of Genova (586655 inhabitants)
60 Km SE of Pavia (72576 inhabitants)
68 Km E of Alessandria (93943 inhabitants)
70 Km SW of Cremona (71901 inhabitants)
72 Km NW of La Spezia (93959 inhabitants)
74 Km W of Parma (192836 inhabitants)
83 Km SE of Vigevano (63310 inhabitants)
84 Km E of Savona (61345 inhabitants)
86 Km NW of Carrara (63133 inhabitants)
89 Km S of Milano (1345851 inhabitants)
92 Km NW of Massa (69479 inhabitants)
96 Km S of Sesto San Giovanni (81608 inhabitants)
97 Km W of Reggio nell'Emilia (171345 inhabitants)
98 Km E of Asti (76202 inhabitants)
99 Km SE of Rho (50434 inhabitants)
99 Km S of Cinisello Balsamo (75078 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 1.9 2020-04-15
20:09:42
44.68 9.41 7 2020-07-18
21:08:33
Bollettino Sismico Italiano INGV 78436421
Reviewed
Rev100
ML 1.9 2020-04-15
20:09:42
44.7 9.39 9 2020-04-15
20:18:13
Sala Sismica INGV-Roma 78247611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-15 20:09:42 ± 0.17
Latitude 44.68 ± 0.01
Longitude 9.41 ± 0.02
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78436421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1559
Semi-minor axis of confidence ellipse (meter) 548
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 320
Circular confidence region, given by single value of horizontal uncertainty (meter) 1560
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.09263
Epicentral distance of station farthest from the epicenter (degree) 0.83727
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 78247611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-15 20:18:13

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 78436421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-29 09:02:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.GRAM.HHZ. 2020-04-15T20:10:00.83 0.3 undecidable manual S 112 0.5036 50 0.16 69
IV.QLNO.HHZ. 2020-04-15T20:09:59.21 0.1 undecidable manual P 245 0.8373 50 0.53 79
GU.RNCA.HHZ. 2020-04-15T20:09:56.51 0.3 undecidable manual S 238 0.3867 50 -0.7 61
GU.PCP.HHE. 2020-04-15T20:09:54.76 0.3 undecidable manual P 258 0.6304 50 -0.38 64
IV.PCN.EHZ. 2020-04-15T20:09:52.40 0.3 undecidable manual P 32 0.42 50 0.86 57
GU.GRAM.HHZ. 2020-04-15T20:09:52.62 0.3 undecidable manual P 112 0.5036 50 -0.35 66
IV.SARZ.HHZ. 2020-04-15T20:09:51.64 0.1 undecidable manual P 298 0.3984 50 0.46 88
GU.RNCA.HHZ. 2020-04-15T20:09:50.49 0.1 positive manual P 238 0.3867 50 -0.49 88
GU.GORR.HHZ. 2020-04-15T20:09:47.68 0.1 undecidable manual S 229 0.1106 121 0.27 97
IV.BOB.HHZ. 2020-04-15T20:09:46.56 0.1 undecidable manual S 17 0.0926 126 -0.28 97
GU.GORR.HHZ. 2020-04-15T20:09:45.46 0.1 positive manual P 229 0.1106 121 0.14 100
IV.BOB.HHZ. 2020-04-15T20:09:44.78 0.1 positive manual P 17 0.0926 126 -0.21 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BOB.HNN. ML:2.2 0.002065 0.54 AML other m 2020-04-15T20:09:46.72
IV.BOB.HHN. ML:2.2 0.0021 1.44 AML other m 2020-04-15T20:09:47.72
GU.GORR.HHE. ML:2 0.00127 0.2 AML other m 2020-04-15T20:09:47.83
GU.GORR.HHN. ML:2.1 0.00173 1.8 AML other m 2020-04-15T20:09:48.00
IV.BOB.HHE. ML:2 0.00155 0.48 AML other m 2020-04-15T20:09:48.86
IV.BOB.HNE. ML:2 0.00144 0.5 AML other m 2020-04-15T20:09:48.86
GU.RNCA.HHN. ML:1.2 4.95E-5 0.9 AML other m 2020-04-15T20:09:57.33
GU.RNCA.HHE. ML:1.2 5.405E-5 1.48 AML other m 2020-04-15T20:10:00.11
GU.POPM.HHN. ML:1.6 2.835E-5 1.68 AML other m 2020-04-15T20:10:23.06
GU.POPM.HHE. ML:1.6 2.96E-5 1.64 AML other m 2020-04-15T20:10:23.14
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download