Earthquake with magnitude of ML 2.1 on date 20-05-2018 and time 00:05:25 (Italy) in region 4 km N Gropparello (PC)

A magnitude ML 2.1 earthquake occured in region: 4 km N Gropparello (PC), on

  • 19-05-2018 22:05:25 (UTC)
  • 20-05-2018 00:05:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8640, 9.7200 at 22 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
Gropparello PC 4 2293 2293
Ponte dell'Olio PC 6 4794 7087
Vigolzone PC 7 4297 11384
Carpaneto Piacentino PC 8 7715 19099
Lugagnano Val d'Arda PC 10 4116 23215
San Giorgio Piacentino PC 10 5792 29007
Podenzano PC 11 9167 38174
Rivergaro PC 11 7005 45179
Vernasca PC 11 2131 47310
Castell'Arquato PC 12 4713 52023
Bettola PC 13 2828 54851
Travo PC 14 2087 56938
Cadeo PC 16 6118 63056
Morfasso PC 16 1024 64080
Pontenure PC 16 6512 70592
Fiorenzuola d'Arda PC 17 15297 85889
Bore PR 17 749 86638
Gazzola PC 17 2056 88694
Gossolengo PC 18 5637 94331
Agazzano PC 18 2096 96427
Piozzano PC 19 641 97068
Alseno PC 20 4714 101782

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km S of Piacenza (102191 inhabitants)
38 Km SW of Cremona (71901 inhabitants)
49 Km W of Parma (192836 inhabitants)
57 Km SE of Pavia (72576 inhabitants)
74 Km W of Reggio nell'Emilia (171345 inhabitants)
79 Km SE of Milano (1345851 inhabitants)
80 Km NE of Genova (586655 inhabitants)
84 Km SE of Sesto San Giovanni (81608 inhabitants)
84 Km SE of Vigevano (63310 inhabitants)
85 Km N of La Spezia (93959 inhabitants)
85 Km SW of Brescia (196480 inhabitants)
87 Km SE of Cinisello Balsamo (75078 inhabitants)
87 Km E of Alessandria (93943 inhabitants)
88 Km SE of Monza (122671 inhabitants)
91 Km SE of Rho (50434 inhabitants)
92 Km NW of Carrara (63133 inhabitants)
92 Km W of Carpi (70699 inhabitants)
93 Km S of Bergamo (119381 inhabitants)
98 Km NW of Massa (69479 inhabitants)
98 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 2.1 2018-05-19
22:05:25
44.864 9.7203 23 2019-04-24
14:51:00
Bollettino Sismico Italiano INGV 64609401
Reviewed
Rev100
ML 2.1 2018-05-19
22:05:25
44.8578 9.7163 22 2018-05-19
22:16:05
Sala Sismica INGV-Roma 57027761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-19 22:05:25 ± 0.07
Latitude 44.8640 ± 0.0036
Longitude 9.7203 ± 0.0076
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64609401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 557
Semi-minor axis of confidence ellipse (meter) 129
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 91
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.79684
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 64609401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-10 10:34:43

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 57027761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-19 22:16:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2018-05-19T22:07:13.44 3.0 undecidable manual Sg 17.17 0
IV.FOSV.EHZ. 2018-05-19T22:06:55.18 3.0 undecidable manual Sn 3.71 0
IV.BRES.EHZ. 2018-05-19T22:06:46.43 3.0 undecidable manual Sg 11.2 0
IV.FAGN.HHZ. 2018-05-19T22:06:23.78 3.0 positive manual Pn -2.03 0
IV.FOSV.EHZ. 2018-05-19T22:06:22.54 3.0 undecidable manual Pg 11.78 0
IV.SRES.HHZ. 2018-05-19T22:06:21.69 3.0 negative manual Pn 3.64 0
ST.RONC.EHZ. 2018-05-19T22:06:05.93 0.3 undecidable manual S 29 142.3464 54 0.32 62
GU.CANO.HHZ. 2018-05-19T22:06:05.04 0.6 undecidable manual S 239 138.0618 54 0.36 41
CH.MUGIO.HHN. 2018-05-19T22:06:02.18 0.6 undecidable manual S 336 128.6712 96 -0.03 45
IV.MAGA.HHZ. 2018-05-19T22:06:01.44 0.6 undecidable manual S 35 123.4875 96 0.63 40
IV.QLNO.HHZ. 2018-05-19T22:06:01.17 1.0 undecidable manual S 242 123.987 96 0.22 22
IV.CTI.HHZ. 2018-05-19T22:05:55.39 0.3 undecidable manual P 48 199.4448 54 -0.26 48
IV.ZONE.HHZ. 2018-05-19T22:05:55.98 0.6 undecidable manual S 17 104.5176 97 0.2 46
IV.MOCL.EHZ. 2018-05-19T22:05:51.08 3.0 undecidable manual P 0
SI.LUSI.HHZ. 2018-05-19T22:05:50.40 0.3 undecidable manual P 38 154.4343 54 0.35 59
ST.DOSS.HHZ. 2018-05-19T22:05:50.38 0.3 undecidable manual P 45 160.617 54 -0.44 57
IV.PII.HHZ. 2018-05-19T22:05:49.20 0.6 undecidable manual P 153 141.8469 54 0.71 36
ST.RONC.EHZ. 2018-05-19T22:05:48.40 0.6 undecidable manual P 29 142.3464 54 -0.15 43
ST.VARA.EHZ. 2018-05-19T22:05:48.08 0.6 undecidable manual P 40 140.748 54 -0.26 42
IV.VARE.HHN. 2018-05-19T22:05:47.62 0.3 undecidable manual P 327 133.7661 95 0.26 65
GU.CANO.HHZ. 2018-05-19T22:05:47.97 0.1 undecidable manual P 239 138.0618 54 -0.04 89
IV.ROVR.HHZ. 2018-05-19T22:05:47.34 0.3 undecidable manual P 50 136.6632 95 -0.46 61
IV.QLNO.HHZ. 2018-05-19T22:05:46.20 0.6 undecidable manual P 242 123.987 96 0.34 43
IV.ZCCA.HHZ. 2018-05-19T22:05:46.61 3.0 undecidable manual P 0
CH.MUGIO.HHN. 2018-05-19T22:05:46.72 0.3 undecidable manual P 336 128.6712 96 0.14 67
GU.POPM.HHZ. 2018-05-19T22:05:46.51 1.0 undecidable manual P 138 122.4885 96 0.89 18
IV.MAGA.HHZ. 2018-05-19T22:05:45.82 0.1 undecidable manual P 35 123.4875 96 0.05 92
IV.BDI.HHZ. 2018-05-19T22:05:44.86 1.0 undecidable manual P 142 112.6983 97 0.73 19
IV.ZONE.HHZ. 2018-05-19T22:05:42.59 0.1 undecidable manual P 17 104.5176 97 -0.28 90
GU.GRAM.HHZ. 2018-05-19T22:05:41.59 0.3 undecidable manual S 146 49.5171 107 0.22 76
MN.VLC.HHZ. 2018-05-19T22:05:41.38 0.6 undecidable manual P 146 94.239 98 0.07 48
GU.GORR.HHZ. 2018-05-19T22:05:39.89 0.3 undecidable manual S 230 44.1225 109 -0.12 79
IV.MSSA.HHZ. 2018-05-19T22:05:36.10 0.3 undecidable manual P 195 62.8926 103 -0.44 71
GU.GRAM.HHZ. 2018-05-19T22:05:34.36 0.3 undecidable manual P 146 49.5171 107 -0.2 77
IV.PRMA.HHZ. 2018-05-19T22:05:34.20 0.6 undecidable manual P 103 47.9187 108 -0.12 52
GU.GORR.HHZ. 2018-05-19T22:05:33.42 0.1 undecidable manual P 230 44.1225 109 -0.35 100
IV.MILN.HHZ. 2018-05-19T22:05:29.83 3.0 undecidable manual P -0.82 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ZONE.HHN. ML:2.0 0.0000927 0.26 AML other m 2018-05-19T22:06:00.12
IV.ZONE.HHE. ML:1.9 0.00007515 0.34 AML other m 2018-05-19T22:06:01.52
IV.BDI.HHN. ML:1.8 0.00005434999999999999 0.34 AML other m 2018-05-19T22:06:05.43
IV.BDI.HHE. ML:1.9 0.00006345000000000001 0.88 AML other m 2018-05-19T22:06:05.32
IV.PII.HHE. ML:2.2 0.0000944 0.3 AML other m 2018-05-19T22:06:07.54
IV.PII.HHN. ML:2.1 0.00007455000000000001 0.24 AML other m 2018-05-19T22:06:07.69
GU.CANO.HHN. ML:2.0 0.0000579 1.08 AML other m 2018-05-19T22:06:07.86
ST.RONC.EHE. ML:2.3 0.00010680000000000001 0.18 AML other m 2018-05-19T22:06:07.86
ST.VARA.EHE. ML:2.3 0.0001185 0.22 AML other m 2018-05-19T22:06:10.05
ST.RONC.EHN. ML:2.4 0.000149 0.2 AML other m 2018-05-19T22:06:10.69
ST.VARA.EHN. ML:2.3 0.00011280000000000002 0.32 AML other m 2018-05-19T22:06:10.94
GU.CANO.HHE. ML:2.1 0.0000722 0.92 AML other m 2018-05-19T22:06:12.01
SI.LUSI.HHN. ML:2.4 0.0001295 0.18 AML other m 2018-05-19T22:06:13.35
SI.LUSI.HHE. ML:2.2 0.000073 0.52 AML other m 2018-05-19T22:06:13.27
ST.DOSS.HHE. ML:2.0 0.00004195 1.48 AML other m 2018-05-19T22:06:16.86
ST.DOSS.HHN. ML:2.1 0.000055100000000000004 1.54 AML other m 2018-05-19T22:06:17.09
IV.CTI.HHE. ML:2.1 0.0000387 0.48 AML other m 2018-05-19T22:06:24.70
IV.CTI.HHN. ML:2.2 0.00005069999999999999 0.22 AML other m 2018-05-19T22:06:26.30
IV.FOSV.EHE. ML:2.1 0.000014750000000000001 1 AML other m 2018-05-19T22:06:31.88
IV.FOSV.EHN. ML:2.1 0.00001365 0.72 AML other m 2018-05-19T22:06:32.52
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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