Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 27-05-2018 and time 18:47:26 (Italy) in region 3 km W Gropparello (PC)

A magnitude ML 2.3 earthquake occured in region: 3 km W Gropparello (PC), on

  • 27-05-2018 16:47:26 (UTC)
  • 27-05-2018 18:47:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8240, 9.6900 at 26 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
Gropparello PC 3 2293 2293
Ponte dell'Olio PC 6 4794 7087
Bettola PC 8 2828 9915
Vigolzone PC 10 4297 14212
Lugagnano Val d'Arda PC 11 4116 18328
Vernasca PC 11 2131 20459
Morfasso PC 11 1024 21483
Rivergaro PC 12 7005 28488
Travo PC 12 2087 30575
Carpaneto Piacentino PC 13 7715 38290
Bore PR 14 749 39039
Castell'Arquato PC 14 4713 43752
Podenzano PC 15 9167 52919
San Giorgio Piacentino PC 15 5792 58711
Farini PC 15 1290 60001
Gazzola PC 19 2056 62057
Agazzano PC 19 2096 64153
Piozzano PC 19 641 64794

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km S of Piacenza (102191 inhabitants)
43 Km SW of Cremona (71901 inhabitants)
51 Km W of Parma (192836 inhabitants)
58 Km SE of Pavia (72576 inhabitants)
75 Km NE of Genova (586655 inhabitants)
76 Km W of Reggio nell'Emilia (171345 inhabitants)
80 Km N of La Spezia (93959 inhabitants)
82 Km SE of Milano (1345851 inhabitants)
85 Km E of Alessandria (93943 inhabitants)
85 Km SE of Vigevano (63310 inhabitants)
87 Km SE of Sesto San Giovanni (81608 inhabitants)
89 Km NW of Carrara (63133 inhabitants)
90 Km SE of Cinisello Balsamo (75078 inhabitants)
90 Km SW of Brescia (196480 inhabitants)
91 Km SE of Monza (122671 inhabitants)
94 Km SE of Rho (50434 inhabitants)
95 Km W of Carpi (70699 inhabitants)
95 Km NW of Massa (69479 inhabitants)
97 Km S of Bergamo (119381 inhabitants)
100 Km W of Modena (184973 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 2.3 2018-05-27
16:47:26		 44.8243 9.6902 26 2019-04-24
14:50:54		 Bollettino Sismico Italiano INGV 60265971
Reviewed
Rev100 		ML 2.3 2018-05-27
16:47:26		 44.8128 9.7057 25 2018-05-27
17:05:14		 Sala Sismica INGV-Roma 57286321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-27 16:47:26 ± 0.1
Latitude 44.8243 ± 0.0108
Longitude 9.6902 ± 0.0127
Depth (km) 26 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 60265971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1021
Semi-minor axis of confidence ellipse (meter) 895
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 310
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.18076
Epicentral distance of station farthest from the epicenter (degree) 1.95962
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 60265971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-25 10:03:00

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 57286321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-27 17:05:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MAGA.HHE. 2018-05-27T16:48:03.21 1.0 undecidable manual S 34 128.3715 54 -0.32 20
CH.DAVOX.HHZ. 2018-05-27T16:48:00.14 0.3 undecidable manual P 4 217.5156 54 1.09 31
IV.ZONE.HNE. 2018-05-27T16:47:59.31 0.6 undecidable manual S 18 109.4127 99 0.67 38
OX.CGRP.HHZ. 2018-05-27T16:47:56.37 0.3 undecidable manual P 54 202.242 54 -0.78 39
MN.TUE.HHZ. 2018-05-27T16:47:55.59 0.3 undecidable manual P 352 184.6707 54 0.62 46
IV.MPPT.EHZ. 2018-05-27T16:47:51.62 0.3 undecidable manual P 130 146.8419 54 1.37 38
ST.DOSS.HHZ. 2018-05-27T16:47:51.67 0.3 undecidable manual P 44 165.4122 54 -0.9 45
IV.MABI.HHZ. 2018-05-27T16:47:51.14 0.6 undecidable manual P 25 150.8379 54 0.39 39
SI.LUSI.HHZ. 2018-05-27T16:47:50.98 0.3 undecidable manual P 37 159.3183 54 -0.83 47
ST.VARA.EHZ. 2018-05-27T16:47:49.81 0.3 undecidable manual P 40 145.6431 54 -0.29 60
IV.MTCR.EHZ. 2018-05-27T16:47:49.63 0.3 undecidable manual P 130 136.4634 54 0.67 54
GU.RNCA.HHZ. 2018-05-27T16:47:49.03 0.6 undecidable manual S 236 70.2741 104 0.64 43
IV.PII.HHZ. 2018-05-27T16:47:49.60 0.3 undecidable manual P 151 139.1607 54 0.31 60
CH.MUGIO.HHZ. 2018-05-27T16:47:47.98 0.3 undecidable manual P 338 131.868 54 -0.41 59
GU.POPM.HHZ. 2018-05-27T16:47:47.04 0.3 undecidable manual P 135 120.8901 98 0.15 64
IV.MAGA.HHE. 2018-05-27T16:47:47.59 0.3 undecidable manual P 34 128.3715 54 -0.37 61
IV.MBAL.EHZ. 2018-05-27T16:47:47.81 0.3 undecidable manual P 43 133.0668 54 -0.73 53
IV.ZCCA.HHZ. 2018-05-27T16:47:47.20 0.3 undecidable manual P 117 114.3966 98 1.3 41
IV.QLNO.HHZ. 2018-05-27T16:47:47.27 0.3 undecidable manual P 243 119.8911 98 0.54 60
IV.ZONE.HNE. 2018-05-27T16:47:45.33 0.1 undecidable manual P 18 109.4127 99 0.19 88
IV.BDI.HNZ. 2018-05-27T16:47:45.72 0.6 undecidable manual P 139 110.8002 98 0.37 42
IV.MSSA.HHZ. 2018-05-27T16:47:44.64 1.0 undecidable manual S 194 57.9975 108 -0.6 22
GU.PCP.HHZ. 2018-05-27T16:47:43.32 0.1 undecidable manual P 251 95.6376 100 0.28 89
GU.GRAM.HHZ. 2018-05-27T16:47:42.74 0.3 undecidable manual S 141 47.3193 112 0.17 73
MN.VLC.HHZ. 2018-05-27T16:47:42.10 0.3 undecidable manual P 143 92.0412 100 -0.4 66
GU.GSCL.HHN. 2018-05-27T16:47:42.58 0.3 undecidable manual P 126 88.245 101 0.65 59
Z3.A306A.HHN. 2018-05-27T16:47:41.17 0.3 undecidable manual P 114 78.2661 103 0.75 58
IV.PLMA.HHZ. 2018-05-27T16:47:41.05 0.3 undecidable manual P 171 86.8464 101 -0.67 61
GU.SARM.EHZ. 2018-05-27T16:47:41.56 0.3 undecidable manual P 141 90.5427 101 -0.72 60
GU.EQUI.HHZ. 2018-05-27T16:47:40.25 0.1 undecidable manual P 153 81.6516 102 -0.68 82
GU.GORR.HHZ. 2018-05-27T16:47:40.83 0.6 undecidable manual S 233 39.5271 117 0.17 51
GU.RNCA.HHZ. 2018-05-27T16:47:39.51 0.3 undecidable manual P 236 70.2741 104 0.3 70
IV.MSSA.HHZ. 2018-05-27T16:47:37.01 0.1 undecidable manual P 194 57.9975 108 -0.39 93
IV.NEVI.HNZ. 2018-05-27T16:47:37.47 0.3 undecidable manual P 118 56.0994 108 0.34 70
IV.BOB.HHZ. 2018-05-27T16:47:36.59 0.6 undecidable manual S 252 20.0688 138 0.12 53
IV.PRMA.HHZ. 2018-05-27T16:47:36.42 0.6 undecidable manual P 98 49.5171 111 0.26 48
GU.GRAM.HHZ. 2018-05-27T16:47:35.01 0.1 undecidable manual P 141 47.3193 112 -0.84 82
GU.GORR.HHZ. 2018-05-27T16:47:34.42 0.1 positive manual P 233 39.5271 117 -0.33 97
IV.BOB.HHZ. 2018-05-27T16:47:31.98 0.1 undecidable manual P 252 20.0688 138 -0.35 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BOB.HNE. ML:2.6 0.001925 0.72 AML other m 2018-05-27T16:47:37.11
IV.BOB.HHE. ML:2.6 0.0019899999999999996 0.72 AML other m 2018-05-27T16:47:37.11
IV.BOB.HHN. ML:2.5 0.00135 1.48 AML other m 2018-05-27T16:47:38.95
IV.BOB.HNN. ML:2.4 0.0012 0.58 AML other m 2018-05-27T16:47:38.96
GU.GORR.HHN. ML:2.6 0.00108 0.78 AML other m 2018-05-27T16:47:41.54
GU.GORR.HHE. ML:2.7 0.00157 0.44 AML other m 2018-05-27T16:47:41.39
GU.GRAM.HHE. ML:2.7 0.001202 1.74 AML other m 2018-05-27T16:47:42.03
GU.GRAM.HHN. ML:2.6 0.0010229999999999998 1 AML other m 2018-05-27T16:47:45.52
IV.MSSA.HHE. ML:2.1 0.00024249999999999999 0.76 AML other m 2018-05-27T16:47:45.48
IV.MSSA.HHN. ML:1.9 0.0001635 1.02 AML other m 2018-05-27T16:47:46.34
GU.RNCA.HHN. ML:1.9 0.000128 1.08 AML other m 2018-05-27T16:47:49.89
GU.RNCA.HHE. ML:1.9 0.0001245 0.64 AML other m 2018-05-27T16:47:49.36
GU.EQUI.HHE. ML:1.9 0.00011135000000000001 0.34 AML other m 2018-05-27T16:47:52.83
GU.EQUI.HHN. ML:2.0 0.00013450000000000002 1.7 AML other m 2018-05-27T16:47:53.88
GU.SARM.EHE. ML:2.5 0.00034899999999999997 1.62 AML other m 2018-05-27T16:47:55.97
MN.VLC.HHN. ML:2.1 0.00013450000000000002 1.3 AML other m 2018-05-27T16:47:56.08
MN.VLC.HHE. ML:2.1 0.000124 0.42 AML other m 2018-05-27T16:47:56.29
GU.SARM.EHN. ML:2.6 0.000488 0.42 AML other m 2018-05-27T16:47:56.61
IV.PLMA.HHN. ML:2.1 0.000152 0.34 AML other m 2018-05-27T16:47:57.46
IV.PLMA.HHE. ML:2.2 0.000177 0.3 AML other m 2018-05-27T16:47:57.78
GU.PCP.HHE. ML:2.1 0.0001137 0.44 AML other m 2018-05-27T16:48:00.87
GU.PCP.HHN. ML:2.0 0.00011015 0.38 AML other m 2018-05-27T16:48:01.09
IV.QLNO.HHE. ML:1.7 0.00003935 0.56 AML other m 2018-05-27T16:48:04.79
IV.MBAL.EHN. ML:2.7 0.000279 1.28 AML other m 2018-05-27T16:48:06.68
IV.MBAL.EHE. ML:2.4 0.00017199999999999998 0.42 AML other m 2018-05-27T16:48:06.41
GU.POPM.HHE. ML:2.4 0.00019600000000000002 0.74 AML other m 2018-05-27T16:48:07.08
IV.QLNO.HHN. ML:1.9 0.0000558 0.44 AML other m 2018-05-27T16:48:07.20
IV.ZCCA.HHN. ML:2.2 0.000136 0.5 AML other m 2018-05-27T16:48:07.65
CH.MUGIO.HHE. ML:2.0 0.00005714999999999999 0.48 AML other m 2018-05-27T16:48:07.45
IV.ZCCA.HHE. ML:2.1 0.0000902 0.42 AML other m 2018-05-27T16:48:07.62
GU.POPM.HHN. ML:2.5 0.00021349999999999999 1.16 AML other m 2018-05-27T16:48:07.98
IV.PII.HHE. ML:2.4 0.0001585 0.76 AML other m 2018-05-27T16:48:08.51
IV.PII.HHN. ML:2.5 0.00018099999999999998 0.46 AML other m 2018-05-27T16:48:09.23
CH.MUGIO.HHN. ML:2.0 0.00005545 0.94 AML other m 2018-05-27T16:48:09.77
IV.MABI.HHN. ML:2.1 0.00006525 1.52 AML other m 2018-05-27T16:48:09.96
IV.MABI.HHE. ML:2.3 0.00010695 0.4 AML other m 2018-05-27T16:48:10.11
ST.VARA.EHE. ML:2.7 0.00028300000000000005 0.28 AML other m 2018-05-27T16:48:10.67
SI.LUSI.HHE. ML:2.6 0.00019350000000000001 0.18 AML other m 2018-05-27T16:48:11.78
SI.LUSI.HHN. ML:2.8 0.00027150000000000004 0.52 AML other m 2018-05-27T16:48:12.80
ST.VARA.EHN. ML:2.6 0.00020750000000000003 0.32 AML other m 2018-05-27T16:48:12.62
IV.MTCR.EHN. ML:2.2 0.00009405 1.26 AML other m 2018-05-27T16:48:12.32
IV.MTCR.EHE. ML:2.3 0.0001156 1.58 AML other m 2018-05-27T16:48:12.99
IV.FDMO.HHE. ML:2.4 0.000025750000000000002 0.76 AML other m 2018-05-27T16:48:13.48
IV.FDMO.HHN. ML:2.4 0.000024149999999999997 0.34 AML other m 2018-05-27T16:48:13.49
ST.DOSS.HHE. ML:2.4 0.000106 1.52 AML other m 2018-05-27T16:48:16.17
ST.DOSS.HHN. ML:2.6 0.00015900000000000002 0.34 AML other m 2018-05-27T16:48:18.34
MN.TUE.HHN. ML:1.9 0.00002855 1.24 AML other m 2018-05-27T16:48:18.06
ST.OZOL.EHN. ML:2.6 0.0001145 0.56 AML other m 2018-05-27T16:48:26.58
ST.OZOL.EHE. ML:2.8 0.00015999999999999999 0.6 AML other m 2018-05-27T16:48:26.29
OX.CGRP.HHE. ML:2.4 0.00007205 0.56 AML other m 2018-05-27T16:48:26.59
OX.CGRP.HHN. ML:2.6 0.00010425000000000001 0.54 AML other m 2018-05-27T16:48:28.69
CH.DAVOX.HHE. ML:1.9 0.00001795 1.14 AML other m 2018-05-27T16:48:29.82
CH.DAVOX.HHN. ML:2.0 0.000026450000000000003 1.4 AML other m 2018-05-27T16:48:32.22
MN.TUE.HHE. ML:1.9 0.000027249999999999998 0.42 AML other m 2018-05-27T16:48:33.31
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