Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 28-08-2020 and time 11:19:44 (Italy) in region 2 km NE Ferriere (PC)

A magnitude ML 2.4 earthquake occured in region: 2 km NE Ferriere (PC), on

  • 28-08-2020 09:19:44 (UTC)
  • 28-08-2020 11:19:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6590, 9.5080 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ferriere PC 2 1294 1294
Farini PC 8 1290 2584
Corte Brugnatella PC 12 586 3170
Coli PC 12 879 4049
Cerignale PC 13 127 4176
Santo Stefano d'Aveto GE 13 1126 5302
Ottone PC 14 516 5818
Bettola PC 15 2828 8646
Bobbio PC 15 3577 12223
Morfasso PC 17 1024 13247
Zerba PC 17 77 13324
Rezzoaglio GE 18 995 14319
Gorreto GE 18 97 14416
Bardi PR 18 2227 16643
Bedonia PR 20 3482 20125
Brallo di Pregola PV 20 599 20724

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SW of Piacenza (102191 inhabitants)
53 Km NE of Genova (586655 inhabitants)
65 Km SE of Pavia (72576 inhabitants)
66 Km NW of La Spezia (93959 inhabitants)
67 Km SW of Cremona (71901 inhabitants)
67 Km W of Parma (192836 inhabitants)
76 Km E of Alessandria (93943 inhabitants)
80 Km NW of Carrara (63133 inhabitants)
86 Km NW of Massa (69479 inhabitants)
89 Km W of Reggio nell'Emilia (171345 inhabitants)
89 Km SE of Vigevano (63310 inhabitants)
90 Km E of Savona (61345 inhabitants)
93 Km S of Milano (1345851 inhabitants)
100 Km S of Sesto San Giovanni (81608 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 2.4 2020-08-28
09:19:44		 44.6593 9.508 9 2020-11-19
12:37:04		 Bollettino Sismico Italiano INGV 83821431
Reviewed
Rev100 		ML 2.4 2020-08-28
09:19:44		 44.6657 9.5245 8 2020-08-28
09:26:37		 Sala Sismica INGV-Roma 82403331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-28 09:19:44 ± 0.12
Latitude 44.6593 ± 0.0063
Longitude 9.5080 ± 0.0063
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83821431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 547
Semi-minor axis of confidence ellipse (meter) 474
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 206
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.04686
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 82403331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-28 09:26:37

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 45
Type of magnitude ML
Reference to an origin 83821431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-16 11:05:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHZ. 2020-08-28T09:21:44.76 3.0 undecidable manual Pg 17.719999 0
IV.LRP.EHZ. 2020-08-28T09:21:39.77 3.0 undecidable manual Sn 0.91 0
IV.FDMO.HHZ. 2020-08-28T09:21:23.52 3.0 undecidable manual Sg 13.46 0
IT.GNU.HGZ. 2020-08-28T09:21:18.47 3.0 undecidable manual Sg 12.47 0
IV.GAVE.EHZ. 2020-08-28T09:21:18.88 3.0 undecidable manual Sn 6.67 0
IV.MOMA.HNZ. 2020-08-28T09:21:18.79 3.0 undecidable manual Sg 12.79 0
IV.ARVD.HHZ. 2020-08-28T09:21:08.11 3.0 undecidable manual Sn 5.85 0
IV.ARRO.EHZ. 2020-08-28T09:20:40.70 3.0 undecidable manual Pg 6.82 0
GU.TRAV.HHZ. 2020-08-28T09:20:33.37 0.6 undecidable manual S 305 167.3103 50 1.08 26
ST.RONC.EHZ. 2020-08-28T09:20:33.26 0.6 undecidable manual S 30 170.3961 50 0.14 35
FR.SAOF.HHZ.00 2020-08-28T09:20:32.39 0.3 undecidable manual S 245 172.1943 50 -1.21 35
ST.VARA.EHZ. 2020-08-28T09:20:32.03 0.3 undecidable manual S 39 168.9087 50 -0.68 45
GU.MGRO.HHZ. 2020-08-28T09:20:27.87 0.3 undecidable manual S 244 151.2375 50 -0.12 57
IV.PII.HHZ. 2020-08-28T09:20:22.85 0.3 undecidable manual S 142 131.7681 50 0.05 61
GU.POPM.HHZ. 2020-08-28T09:20:20.41 0.6 undecidable manual S 124 120.2907 50 0.68 35
IV.CTI.HHZ. 2020-08-28T09:20:19.45 0.6 undecidable manual P 47 227.2059 38 -0.48 23
SI.LUSI.HHZ. 2020-08-28T09:20:14.90 0.6 undecidable manual P 37 182.5839 38 0.52 30
IV.QLNO.HHZ. 2020-08-28T09:20:14.63 0.6 undecidable manual S 248 99.2229 50 0.52 39
ST.RONC.EHZ. 2020-08-28T09:20:13.47 0.6 undecidable manual P 30 170.3961 50 0.82 28
GU.CIRO.HHZ. 2020-08-28T09:20:13.91 0.3 undecidable manual P 305 184.371 38 -0.68 42
GU.CARD.HHZ. 2020-08-28T09:20:13.44 0.6 undecidable manual S 132 104.4177 50 -2.08 16
GU.TRAV.HHZ. 2020-08-28T09:20:12.30 0.1 undecidable manual P 305 167.3103 50 0.14 71
FR.SAOF.HHZ.00 2020-08-28T09:20:12.02 0.6 undecidable manual P 245 172.1943 50 -0.9 27
ST.VARA.EHZ. 2020-08-28T09:20:12.86 1.0 undecidable manual P 39 168.9087 50 0.45 16
GU.SARM.EHN. 2020-08-28T09:20:11.41 0.6 undecidable manual S 126 88.245 50 0.22 43
IV.CRMI.HHZ. 2020-08-28T09:20:10.42 0.6 undecidable manual P 129 151.2375 50 0.74 32
IV.MBAL.EHZ. 2020-08-28T09:20:09.96 1.0 undecidable manual P 42 156.3213 50 -0.51 17
GU.MGRO.HHZ. 2020-08-28T09:20:09.05 0.6 undecidable manual P 244 151.2375 50 -0.63 34
GU.PCP.HHZ. 2020-08-28T09:20:08.11 0.6 undecidable manual S 261 77.1672 50 -0.13 45
IV.PLMA.HHZ. 2020-08-28T09:20:07.22 0.6 undecidable manual S 158 72.9714 50 0.11 45
GU.EQUI.HHN. 2020-08-28T09:20:07.37 0.6 undecidable manual S 137 74.8695 50 -0.25 44
IV.SALO.HHZ. 2020-08-28T09:20:07.78 1.0 undecidable manual P 36 132.867 50 0.93 16
IV.PII.HHZ. 2020-08-28T09:20:07.07 0.3 undecidable manual P 142 131.7681 50 0.38 57
IV.ZCCA.HHZ. 2020-08-28T09:20:05.90 1.0 undecidable manual P 106 121.0899 50 0.85 16
GU.POPM.HHZ. 2020-08-28T09:20:05.36 0.6 undecidable manual P 124 120.2907 50 0.44 38
GU.MAIM.HHZ. 2020-08-28T09:20:04.43 0.6 undecidable manual P 136 113.6973 50 0.52 38
IV.BDI.HNZ. 2020-08-28T09:20:04.10 0.6 undecidable manual P 127 108.7134 50 0.96 32
GU.CARD.HHZ. 2020-08-28T09:20:02.46 0.1 undecidable manual P 132 104.4177 50 -0.02 87
IV.QLNO.HHZ. 2020-08-28T09:20:02.52 0.6 undecidable manual P 248 99.2229 50 0.85 34
GU.GSCL.HHN. 2020-08-28T09:20:01.52 0.6 undecidable manual P 111 92.0412 50 0.95 33
IT.GNV.HGE. 2020-08-28T09:20:01.73 0.6 undecidable manual S 241 52.1034 50 0.19 46
GU.RNCA.HHZ. 2020-08-28T09:20:00.60 0.3 undecidable manual S 245 48.7179 50 -0.04 72
IV.PCN.EHZ. 2020-08-28T09:20:00.92 0.6 undecidable manual S 22 45.0216 50 1.25 31
GU.GRAM.HHZ. 2020-08-28T09:19:59.66 0.3 undecidable manual S 113 47.8188 50 -0.75 59
GU.SARM.EHN. 2020-08-28T09:19:59.32 1.0 undecidable manual P 126 88.245 50 -0.66 19
MN.VLC.HHZ. 2020-08-28T09:19:59.87 1.0 undecidable manual P 128 89.0442 50 -0.23 21
GU.PCP.HHZ. 2020-08-28T09:19:58.18 0.1 undecidable manual P 261 77.1672 50 -0.1 90
IV.PLMA.HHZ. 2020-08-28T09:19:57.50 0.6 undecidable manual P 158 72.9714 50 -0.13 45
GU.FIVI.HNE. 2020-08-28T09:19:57.04 0.6 undecidable manual P 133 67.6767 50 0.23 45
GU.EQUI.HHN. 2020-08-28T09:19:57.36 1.0 undecidable manual P 137 74.8695 50 -0.56 20
IV.CTL8.HNZ. 2020-08-28T09:19:56.64 1.0 undecidable manual P 16 71.2731 50 -0.73 19
IT.GNV.HGE. 2020-08-28T09:19:54.38 1.0 undecidable manual P 241 52.1034 50 -0.03 24
GU.GENL.EHN. 2020-08-28T09:19:54.56 1.0 undecidable manual P 237 51.0156 50 0.31 23
IV.PCN.EHZ. 2020-08-28T09:19:53.51 0.1 positive manual P 22 45.0216 50 0.18 94
GU.RNCA.HHZ. 2020-08-28T09:19:53.58 0.1 positive manual P 245 48.7179 50 -0.31 91
GU.GORR.HHZ. 2020-08-28T09:19:52.21 0.3 undecidable manual S 251 17.9709 116 0.6 66
GU.GRAM.HHZ. 2020-08-28T09:19:52.89 0.1 undecidable manual P 113 47.8188 50 -0.87 75
IV.BOB.HHZ. 2020-08-28T09:19:49.71 0.3 undecidable manual S 339 12.9759 124 -0.39 71
GU.GORR.HHZ. 2020-08-28T09:19:48.79 0.1 positive manual P 251 17.9709 116 0.11 100
IV.BOB.HHZ. 2020-08-28T09:19:47.43 0.1 negative manual P 339 12.9759 124 -0.38 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PII.HHE. ML:2.5 0.00019250000000000002 0.22 AML other m 2020-08-28T09:20:23.68
IV.BOB.HHN. ML:2.9 0.009559999999999999 1.28 AML other m 2020-08-28T09:19:50.07
IV.BOB.HHE. ML:3.0 0.01018 0.14 AML other m 2020-08-28T09:19:50.05
IV.BOB.HNE. ML:2.9 0.009855000000000001 1.28 AML other m 2020-08-28T09:19:50.05
GU.GORR.HHE. ML:2.6 0.003415 1.32 AML other m 2020-08-28T09:19:52.21
GU.GORR.HHN. ML:2.7 0.004375 0.44 AML other m 2020-08-28T09:19:53.36
GU.GRAM.HHN. ML:2.5 0.0009644999999999999 1.8 AML other m 2020-08-28T09:20:01.92
GU.RNCA.HHN. ML:2.1 0.000321 0.14 AML other m 2020-08-28T09:20:01.77
GU.RNCA.HHE. ML:2.2 0.000459 0.42 AML other m 2020-08-28T09:20:01.77
GU.GRAM.HHE. ML:2.4 0.000772 1 AML other m 2020-08-28T09:20:02.58
IV.PCN.EHN. ML:0.0 0.0006435 0.52 AML other m 2020-08-28T09:20:02.37
IV.PCN.HNN. ML:0.0 0.000671 0.76 AML other m 2020-08-28T09:20:02.37
IV.PCN.EHE. ML:0.0 0.000377 0.62 AML other m 2020-08-28T09:20:06.54
IV.PCN.HNE. ML:0.0 0.000449 0.6 AML other m 2020-08-28T09:20:06.24
IV.PLMA.HHE. ML:2.1 0.00021749999999999997 0.88 AML other m 2020-08-28T09:20:12.12
IV.PLMA.HHN. ML:2.2 0.0002645 1.34 AML other m 2020-08-28T09:20:12.21
GU.PCP.HHN. ML:2.1 0.00019600000000000002 0.16 AML other m 2020-08-28T09:20:12.76
GU.PCP.HHE. ML:1.9 0.0001205 0.94 AML other m 2020-08-28T09:20:13.97
IV.QLNO.HHE. ML:2.0 0.0000955 0.5 AML other m 2020-08-28T09:20:16.13
GU.CARD.HHN. ML:2.6 0.0003375 0.6 AML other m 2020-08-28T09:20:18.39
IV.QLNO.HHN. ML:2.0 0.00010324999999999999 0.86 AML other m 2020-08-28T09:20:18.63
GU.CARD.HHE. ML:2.7 0.0004265 0.5 AML other m 2020-08-28T09:20:18.88
IV.PII.HHN. ML:2.5 0.0001835 0.64 AML other m 2020-08-28T09:20:23.78
GU.POPM.HHN. ML:2.5 0.0002255 0.16 AML other m 2020-08-28T09:20:24.56
GU.POPM.HHE. ML:2.5 0.0002395 0.28 AML other m 2020-08-28T09:20:25.03
GU.MGRO.HHE. ML:2.2 0.00008145 1.24 AML other m 2020-08-28T09:20:29.23
GU.MGRO.HHN. ML:2.2 0.0000771 0.32 AML other m 2020-08-28T09:20:31.85
IV.MBAL.EHE. ML:2.5 0.000154 0.32 AML other m 2020-08-28T09:20:33.23
FR.SAOF.HHE.00 ML:2.1 0.00005355 0.74 AML other m 2020-08-28T09:20:33.57
ST.VARA.EHE. ML:2.9 0.0002945 0.38 AML other m 2020-08-28T09:20:34.26
IV.MBAL.EHN. ML:2.4 0.0001255 0.3 AML other m 2020-08-28T09:20:34.55
ST.VARA.EHN. ML:2.7 0.0002045 1.22 AML other m 2020-08-28T09:20:34.22
ST.RONC.EHN. ML:2.9 0.00034250000000000003 0.44 AML other m 2020-08-28T09:20:36.79
GU.TRAV.HHN. ML:2.3 0.00008345 0.24 AML other m 2020-08-28T09:20:37.61
FR.SAOF.HHN.00 ML:2.1 0.00005714999999999999 1.28 AML other m 2020-08-28T09:20:37.64
ST.RONC.EHE. ML:2.8 0.00026450000000000003 1.54 AML other m 2020-08-28T09:20:39.84
SI.LUSI.HHE. ML:2.6 0.000125 0.24 AML other m 2020-08-28T09:20:40.88
GU.CIRO.HHE. ML:1.9 0.00003105 0.3 AML other m 2020-08-28T09:20:42.48
SI.LUSI.HHN. ML:2.8 0.00021 1 AML other m 2020-08-28T09:20:42.48
GU.CIRO.HHN. ML:2.1 0.000039599999999999994 0.76 AML other m 2020-08-28T09:20:42.98
GU.TRAV.HHE. ML:2.2 0.00007139999999999999 0.42 AML other m 2020-08-28T09:20:43.05
IV.CTI.HHE. ML:2.6 0.0000976 0.28 AML other m 2020-08-28T09:20:55.09
IV.CTI.HHN. ML:2.7 0.00010580000000000001 0.36 AML other m 2020-08-28T09:20:55.39
GU.MGRO.HNN. ML:2.4 0.00013420063500000002 3.0144 AML other m 2020-08-28T09:20:30.61
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
Waveforms Seismic signals in miniseed + resp format Download