Earthquake with magnitude of ML 1.9 on date 16-04-2020 and time 02:40:39 (Italy) in region 4 km E Cerignale (PC)

A magnitude ML 1.9 earthquake occured in region: 4 km E Cerignale (PC), on

  • 16-04-2020 00:40:39 (UTC)
  • 16-04-2020 02:40:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6670, 9.3960 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
Cerignale PC 4 127 127
Corte Brugnatella PC 5 586 713
Ottone PC 7 516 1229
Zerba PC 9 77 1306
Ferriere PC 9 1294 2600
Coli PC 9 879 3479
Gorreto GE 11 97 3576
Bobbio PC 11 3577 7153
Brallo di Pregola PV 12 599 7752
Rovegno GE 14 554 8306
Santo Stefano d'Aveto GE 14 1126 9432
Farini PC 15 1290 10722
Fontanigorda GE 15 277 10999
Rezzoaglio GE 16 995 11994
Fascia GE 17 81 12075
Santa Margherita di Staffora PV 17 473 12548
Menconico PV 17 360 12908
Carrega Ligure AL 18 84 12992
Rondanina GE 18 62 13054
Montebruno GE 19 240 13294
Romagnese PV 20 687 13981

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NE of Genova (586655 inhabitants)
49 Km SW of Piacenza (102191 inhabitants)
61 Km SE of Pavia (72576 inhabitants)
67 Km E of Alessandria (93943 inhabitants)
71 Km NW of La Spezia (93959 inhabitants)
72 Km SW of Cremona (71901 inhabitants)
75 Km W of Parma (192836 inhabitants)
83 Km E of Savona (61345 inhabitants)
84 Km SE of Vigevano (63310 inhabitants)
86 Km NW of Carrara (63133 inhabitants)
91 Km S of Milano (1345851 inhabitants)
92 Km NW of Massa (69479 inhabitants)
97 Km S of Sesto San Giovanni (81608 inhabitants)
98 Km E of Asti (76202 inhabitants)
98 Km W of Reggio nell'Emilia (171345 inhabitants)
100 Km S of Rho (50434 inhabitants)
100 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 2020-04-16
00:40:39
44.6672 9.3962 7 2020-07-18
21:08:34
Bollettino Sismico Italiano INGV 78665571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-16 00:40:39 ± 0.19
Latitude 44.6672 ± 0.0126
Longitude 9.3962 ± 0.0164
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 78665571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1586
Semi-minor axis of confidence ellipse (meter) 582
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 321
Circular confidence region, given by single value of horizontal uncertainty (meter) 1590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.55
Epicentral distance of station closest to the epicenter (degree) 0.09533
Epicentral distance of station farthest from the epicenter (degree) 1.27884
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 78665571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-10 21:26:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.MUGIO.HHZ. 2020-04-16T00:41:04.00 0.3 undecidable manual P 349 141.9468 50 0.6 54
IV.PII.HHZ. 2020-04-16T00:41:03.00 0.3 undecidable manual P 139 138.0618 50 0.2 61
GU.POPM.HHZ. 2020-04-16T00:41:02.93 0.3 undecidable manual P 122 128.0718 50 1.65 33
IV.MDI.HHZ. 2020-04-16T00:41:01.52 0.3 undecidable manual P 11 124.8861 50 0.75 53
GU.CANO.HHE. 2020-04-16T00:40:58.03 0.3 undecidable manual P 241 105.0171 50 0.32 63
IV.PCN.EHZ. 2020-04-16T00:40:57.37 0.6 undecidable manual S 32 48.3183 50 1.48 28
GU.GRAM.HHZ. 2020-04-16T00:40:57.69 0.6 undecidable manual S 110 56.3991 50 -0.35 46
GU.MASSA.EHE. 2020-04-16T00:40:56.60 0.6 undecidable manual P 142 92.241 50 0.86 36
IV.QLNO.HHE. 2020-04-16T00:40:56.27 0.3 undecidable manual P 246 91.3419 50 0.66 59
IT.GNV.HGE. 2020-04-16T00:40:54.62 0.3 undecidable manual S 235 45.0216 50 -0.39 70
GU.RNCA.HHZ. 2020-04-16T00:40:53.24 0.6 undecidable manual S 238 41.3253 50 -0.78 41
GU.EQUI.HHN. 2020-04-16T00:40:53.46 0.3 undecidable manual P 133 81.7515 50 -0.67 60
GU.PCP.HHZ. 2020-04-16T00:40:51.57 0.1 undecidable manual P 259 68.6757 50 -0.54 86
IV.PCN.EHZ. 2020-04-16T00:40:49.37 0.1 positive manual P 32 48.3183 50 0.39 93
GU.GRAM.HHZ. 2020-04-16T00:40:49.52 0.1 undecidable manual P 110 56.3991 50 -0.7 82
IT.GNV.HGE. 2020-04-16T00:40:48.17 0.3 undecidable manual P 235 45.0216 50 -0.3 71
GU.RNCA.HHZ. 2020-04-16T00:40:47.38 0.1 positive manual P 238 41.3253 50 -0.52 91
GU.GORR.HHZ. 2020-04-16T00:40:44.64 0.3 undecidable manual S 231 10.5783 122 0.78 65
IV.BOB.HHZ. 2020-04-16T00:40:43.49 0.3 undecidable manual S 20 11.877 119 -0.77 65
GU.GORR.HHZ. 2020-04-16T00:40:42.38 0.1 positive manual P 231 10.5783 122 0.35 100
IV.BOB.HHZ. 2020-04-16T00:40:41.70 0.1 positive manual P 20 11.877 119 -0.57 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BOB.HHN. ML:2.4 0.00377 0.58 AML other m 2020-04-16T00:40:43.62
IV.BOB.HNN. ML:2.4 0.003675 0.64 AML other m 2020-04-16T00:40:43.63
IV.BOB.HHE. ML:2.2 0.0021359925 0.76 AML other m 2020-04-16T00:40:44.01
IV.BOB.HNE. ML:2.2 0.0021943525 0.21 AML other m 2020-04-16T00:40:44.02
GU.GORR.HHE. ML:2.2 0.0021048265000000003 0.2 AML other m 2020-04-16T00:40:44.72
GU.GORR.HHN. ML:2.2 0.002653416 0.18 AML other m 2020-04-16T00:40:44.89
GU.RNCA.HHE. ML:1.2 0.00005734074 0.16 AML other m 2020-04-16T00:40:53.60
GU.RNCA.HHN. ML:1.4 0.0000901 0.9 AML other m 2020-04-16T00:40:54.22
IV.PCN.EHE. ML:1.8 0.00016549999999999998 0.2 AML other m 2020-04-16T00:40:58.48
IV.PCN.EHN. ML:2.2 0.00039400000000000004 0.46 AML other m 2020-04-16T00:40:59.29
GU.PCP.HHE. ML:1.3 0.0000351 1.32 AML other m 2020-04-16T00:41:04.97
GU.PCP.HHN. ML:1.2 0.00003225 0.74 AML other m 2020-04-16T00:41:05.99
IV.MDI.HHE. ML:2.1 0.00007815 1.56 AML other m 2020-04-16T00:41:20.14
IV.MDI.HHN. ML:1.9 0.000053349999999999996 1.64 AML other m 2020-04-16T00:41:21.15
GU.POPM.HHN. ML:1.9 0.0000516 1.46 AML other m 2020-04-16T00:41:21.95
GU.POPM.HHE. ML:2.0 0.0000639 0.42 AML other m 2020-04-16T00:41:21.04
IV.PII.HHN. ML:1.8 0.00003695 0.54 AML other m 2020-04-16T00:41:22.60
CH.MUGIO.HHN. ML:1.6 0.000024550000000000004 0.44 AML other m 2020-04-16T00:41:23.51
IV.PII.HHE. ML:1.9 0.000042550000000000004 0.34 AML other m 2020-04-16T00:41:23.47
CH.MUGIO.HHE. ML:1.6 0.0000216 0.42 AML other m 2020-04-16T00:41:24.69
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