Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 27-08-2018 and time 03:42:50 (Italy) in region 2 km W Borgo Priolo (PV)

A magnitude ML 2.1 earthquake occured in region: 2 km W Borgo Priolo (PV), on

  • 27-08-2018 01:42:50 (UTC)
  • 27-08-2018 03:42:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.9660, 9.1260 at 21 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
Borgo Priolo PV 2 1474 1474
Torrazza Coste PV 3 1680 3154
Calvignano PV 4 122 3276
Montebello della Battaglia PV 4 1628 4904
Casteggio PV 5 6805 11709
Codevilla PV 6 997 12706
Oliva Gessi PV 6 176 12882
Corvino San Quirico PV 6 1039 13921
Rocca Susella PV 6 225 14146
Montesegale PV 7 298 14444
Borgoratto Mormorolo PV 7 432 14876
Montalto Pavese PV 7 890 15766
Fortunago PV 7 390 16156
Torricella Verzate PV 7 844 17000
Retorbido PV 7 1538 18538
Mornico Losana PV 8 641 19179
Verretto PV 8 395 19574
Santa Giuletta PV 9 1643 21217
Casatisma PV 9 899 22116
Godiasco Salice Terme PV 9 3229 25345
Robecco Pavese PV 9 565 25910
Rivanazzano Terme PV 9 5312 31222
Lungavilla PV 10 2429 33651
Voghera PV 10 39421 73072
Pizzale PV 10 735 73807
Rocca de' Giorgi PV 10 87 73894
Val di Nizza PV 10 624 74518
Redavalle PV 10 1069 75587
Pietra de' Giorgi PV 10 862 76449
Lirio PV 11 122 76571
Pinarolo Po PV 12 1696 78267
Castelletto di Branduzzo PV 12 1033 79300
Canevino PV 12 109 79409
Cigognola PV 12 1351 80760
Bressana Bottarone PV 12 3529 84289
Pozzol Groppo AL 12 328 84617
Ruino PV 12 723 85340
Montecalvo Versiggia PV 13 521 85861
Casalnoceto AL 13 980 86841
Ponte Nizza PV 13 807 87648
Castana PV 13 721 88369
Cecima PV 14 236 88605
Pancarana PV 14 316 88921
Cervesina PV 14 1204 90125
Volpara PV 14 134 90259
Bastida Pancarana PV 14 1023 91282
Barbianello PV 14 872 92154
Santa Maria della Versa PV 14 2430 94584
Volpedo AL 14 1227 95811
Valverde PV 14 287 96098
Monleale AL 14 566 96664
Golferenzo PV 14 190 96854
Pontecurone AL 15 3723 100577
Broni PV 15 9364 109941
Volpeglino AL 15 148 110089
Montescano PV 15 404 110493
Zavattarello PV 15 991 111484
Bagnaria PV 16 658 112142
Castellar Guidobono AL 16 399 112541
Canneto Pavese PV 16 1353 113894
Momperone AL 16 223 114117
Caminata PC 16 252 114369
Casanova Lonati PV 16 458 114827
Mezzana Rabattone PV 16 497 115324
Casei Gerola PV 16 2500 117824
Silvano Pietra PV 16 672 118496
Corana PV 16 812 119308
Montemarzino AL 17 341 119649
Rea PV 17 425 120074
Verrua Po PV 17 1272 121346
Montù Beccaria PV 17 1690 123036
Berzano di Tortona AL 17 157 123193
Varzi PV 17 3279 126472
Nibbiano PC 17 2177 128649
Campospinoso PV 17 1032 129681
Viguzzolo AL 18 3148 132829
Casasco AL 18 129 132958
Stradella PV 18 11622 144580
Albaredo Arnaboldi PV 18 250 144830
Brignano-Frascata AL 18 456 145286
Rovescala PV 19 901 146187
Zenevredo PV 19 486 146673
Gremiasco AL 19 324 146997
Sommo PV 19 1145 148142
San Damiano al Colle PV 19 656 148798
Mezzanino PV 19 1440 150238
Cornale e Bastida PV 19 867 151105
Castelnuovo Scrivia AL 19 5274 156379
Cava Manara PV 19 6707 163086
Molino dei Torti AL 19 605 163691
Zinasco PV 20 3262 166953
Montegioco AL 20 313 167266
Sarezzano AL 20 1171 168437

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km S of Pavia (72576 inhabitants)
41 Km E of Alessandria (93943 inhabitants)
44 Km SE of Vigevano (63310 inhabitants)
46 Km W of Piacenza (102191 inhabitants)
56 Km S of Milano (1345851 inhabitants)
63 Km S of Rho (50434 inhabitants)
63 Km N of Genova (586655 inhabitants)
64 Km S of Sesto San Giovanni (81608 inhabitants)
66 Km S of Cinisello Balsamo (75078 inhabitants)
66 Km SE of Novara (104380 inhabitants)
70 Km S of Monza (122671 inhabitants)
72 Km S of Legnano (60262 inhabitants)
73 Km E of Asti (76202 inhabitants)
73 Km W of Cremona (71901 inhabitants)
75 Km SE of Busto Arsizio (83106 inhabitants)
82 Km SE of Gallarate (53343 inhabitants)
89 Km NE of Savona (61345 inhabitants)
92 Km SW of Bergamo (119381 inhabitants)
94 Km S of Como (84495 inhabitants)
97 Km W of Parma (192836 inhabitants)
98 Km S of Varese (80799 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 2018-08-27
01:42:50		 44.9662 9.1262 21 2019-04-24
14:50:58		 Bollettino Sismico Italiano INGV 63421081
Reviewed
Rev100 		ML 2.1 2018-08-27
01:42:50		 44.9577 9.1318 23 2018-08-27
01:50:59		 Sala Sismica INGV-Roma 60248461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-27 01:42:50 ± 0.09
Latitude 44.9662 ± 0.0063
Longitude 9.1262 ± 0.0102
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63421081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 749
Semi-minor axis of confidence ellipse (meter) 451
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 133
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.88768
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 60248461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-27 01:50:59

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 63421081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-27 09:06:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HNZ. 2018-08-27T01:44:24.01 3.0 undecidable manual Pg 14.35 0
IV.CSP1.EHZ. 2018-08-27T01:44:22.40 3.0 undecidable manual Sn -3.61 0
ST.PANI.EHZ. 2018-08-27T01:43:44.43 0.3 undecidable manual S 54 209.5347 54 -1.24 28
IV.BDI.HHZ. 2018-08-27T01:43:35.25 0.3 undecidable manual S 130 153.4353 54 1.67 29
IV.MABI.HHZ. 2018-08-27T01:43:35.97 0.3 undecidable manual S 41 161.9157 54 0.56 50
ST.RONC.EHZ. 2018-08-27T01:43:35.06 0.6 undecidable manual S 45 161.9157 54 -0.33 35
CH.MMK.HHZ. 2018-08-27T01:43:32.34 0.6 undecidable manual S 324 150.4383 54 -0.58 35
GU.SATI.HHZ. 2018-08-27T01:43:30.46 0.6 undecidable manual S 316 140.5482 94 -0.2 39
GU.GBOS.HHZ. 2018-08-27T01:43:28.73 0.3 undecidable manual S 232 129.5703 95 1 44
GU.TRAV.HHZ. 2018-08-27T01:43:26.66 0.6 undecidable manual S 300 123.5874 95 0.51 38
IV.ZONE.HHZ. 2018-08-27T01:43:25.75 0.6 undecidable manual S 41 117.3936 95 1.24 29
CH.BNALP.HHZ. 2018-08-27T01:43:24.36 3.0 negative manual Pg 1.18 0
ST.PANI.EHZ. 2018-08-27T01:43:22.34 0.1 undecidable manual P 54 209.5347 54 -0.05 57
IV.VARE.HHZ. 2018-08-27T01:43:21.34 0.6 undecidable manual S 345 103.8183 96 0.45 40
CH.BERNI.HHZ. 2018-08-27T01:43:18.09 0.1 undecidable manual P 23 174.9915 54 0.01 70
ST.VARA.EHZ. 2018-08-27T01:43:17.71 0.1 undecidable manual P 55 167.7099 54 0.54 65
IV.MABI.HHZ. 2018-08-27T01:43:16.40 0.1 undecidable manual P 41 161.9157 54 -0.06 74
ST.RONC.EHZ. 2018-08-27T01:43:16.70 0.1 undecidable manual P 45 161.9157 54 0.25 71
IV.MBAL.EHZ. 2018-08-27T01:43:16.62 0.1 undecidable manual P 58 157.62 54 0.7 64
IV.BDI.HHZ. 2018-08-27T01:43:15.82 0.1 undecidable manual P 130 153.4353 54 0.41 71
GU.RSP.HHZ. 2018-08-27T01:43:14.76 0.1 undecidable manual P 279 147.2415 54 0.13 77
CH.MMK.HHZ. 2018-08-27T01:43:14.46 0.1 undecidable manual P 324 150.4383 54 -0.57 70
GU.SATI.HHZ. 2018-08-27T01:43:13.19 0.1 undecidable manual P 316 140.5482 94 -0.53 72
IV.MSSA.HHZ. 2018-08-27T01:43:13.62 0.6 undecidable manual S 157 78.4659 99 -0.55 41
GU.GBOS.HHZ. 2018-08-27T01:43:12.37 0.6 undecidable manual P 232 129.5703 95 0.34 38
GU.TRAV.HHZ. 2018-08-27T01:43:10.34 0.1 undecidable manual P 300 123.5874 95 -0.78 68
GU.PCP.HHZ. 2018-08-27T01:43:10.53 0.3 undecidable manual S 224 65.6898 101 -0.29 67
IV.ZONE.HHZ. 2018-08-27T01:43:09.87 0.1 undecidable manual P 41 117.3936 95 -0.3 79
IV.VARE.HHZ. 2018-08-27T01:43:07.94 0.1 undecidable manual P 345 103.8183 96 -0.14 85
IV.MDI.HHE. 2018-08-27T01:43:07.47 0.6 undecidable manual P 27 100.3218 96 -0.08 43
IV.MERA.HNE. 2018-08-27T01:43:05.32 0.3 undecidable manual P 16 85.3479 98 0.06 68
GU.GORR.HHZ. 2018-08-27T01:43:04.50 0.3 undecidable manual S 162 41.9247 108 -0.16 71
IV.MSSA.HHZ. 2018-08-27T01:43:03.14 0.6 undecidable manual P 157 78.4659 99 -1.06 33
IV.BOB.HHZ. 2018-08-27T01:43:03.07 0.3 undecidable manual S 131 33.5442 114 0.51 68
GU.ROTM.HHZ. 2018-08-27T01:43:02.60 0.3 undecidable manual P 258 62.0934 101 0.87 55
GU.PCP.HHZ. 2018-08-27T01:43:01.76 0.1 undecidable manual P 224 65.6898 101 -0.5 85
IV.MILN.HHE. 2018-08-27T01:43:01.28 0.6 undecidable manual P 8 57.5979 102 0.23 46
IV.SARZ.HHZ. 2018-08-27T01:43:00.51 0.1 undecidable manual S 237 19.9689 130 1.05 73
GU.RNCA.HHZ. 2018-08-27T01:43:00.42 0.1 undecidable manual P 194 56.5989 103 -0.47 87
IV.BOB.HHZ. 2018-08-27T01:42:57.06 0.1 undecidable manual P 131 33.5442 114 -0.44 91
GU.GORR.HHZ. 2018-08-27T01:42:57.81 0.1 negative manual P 162 41.9247 108 -0.9 75
IV.EUCT.HNE. 2018-08-27T01:42:56.59 0.3 undecidable manual P 2 26.2515 121 0.09 75
IV.SARZ.HHZ. 2018-08-27T01:42:55.82 0.1 positive manual P 237 19.9689 130 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SARZ.HHN. ML:2.2 0.000847 0.34 AML other m 2018-08-27T01:43:01.37
IV.SARZ.HNN. ML:2.2 0.0008235 0.34 AML other m 2018-08-27T01:43:01.38
IV.BOB.HNN. ML:2.3 0.000758 0.8 AML other m 2018-08-27T01:43:03.12
IV.BOB.HHN. ML:2.3 0.0007149999999999999 0.5 AML other m 2018-08-27T01:43:03.52
IV.BOB.HHE. ML:2.2 0.0006675 0.78 AML other m 2018-08-27T01:43:03.37
IV.BOB.HNE. ML:2.2 0.000617 0.78 AML other m 2018-08-27T01:43:03.76
GU.GORR.HHE. ML:2.0 0.000304 1.5 AML other m 2018-08-27T01:43:04.98
IV.SARZ.HHE. ML:2.2 0.0008049999999999999 0.42 AML other m 2018-08-27T01:43:05.53
IV.SARZ.HNE. ML:2.1 0.0007905 0.4 AML other m 2018-08-27T01:43:05.33
GU.GORR.HHN. ML:2.0 0.000305 1.06 AML other m 2018-08-27T01:43:06.35
GU.RNCA.HHE. ML:1.3 0.0000465 0.68 AML other m 2018-08-27T01:43:10.63
GU.PCP.HHN. ML:1.5 0.00004985 0.58 AML other m 2018-08-27T01:43:11.64
GU.PCP.HHE. ML:1.4 0.0000461 0.74 AML other m 2018-08-27T01:43:11.12
GU.RNCA.HHN. ML:1.3 0.000041099999999999996 1.46 AML other m 2018-08-27T01:43:17.74
IV.VARE.HHE. ML:2.0 0.00009115 0.52 AML other m 2018-08-27T01:43:25.45
IV.VARE.HHN. ML:2.0 0.00009185 0.8 AML other m 2018-08-27T01:43:26.72
IV.ZONE.HHE. ML:2.3 0.00013900000000000002 0.28 AML other m 2018-08-27T01:43:27.00
IV.ZONE.HHN. ML:2.2 0.000128 1.08 AML other m 2018-08-27T01:43:28.41
GU.TRAV.HHN. ML:2.3 0.00014000000000000001 0.24 AML other m 2018-08-27T01:43:28.58
GU.TRAV.HHE. ML:2.4 0.000161 0.24 AML other m 2018-08-27T01:43:29.12
GU.SATI.HHN. ML:1.8 0.00004145 1.4 AML other m 2018-08-27T01:43:32.14
CH.MMK.HHN. ML:2.2 0.00008124999999999998 1.5 AML other m 2018-08-27T01:43:33.18
CH.MMK.HHE. ML:2.1 0.00005765 0.38 AML other m 2018-08-27T01:43:34.32
GU.SATI.HHE. ML:1.9 0.000044 0.78 AML other m 2018-08-27T01:43:35.06
IV.MBAL.EHN. ML:2.4 0.0001078 1.18 AML other m 2018-08-27T01:43:38.18
IV.MBAL.EHE. ML:2.5 0.00015099999999999998 0.12 AML other m 2018-08-27T01:43:38.74
IV.BDI.HHE. ML:2.0 0.00005205 1.42 AML other m 2018-08-27T01:43:38.75
ST.RONC.EHN. ML:2.8 0.0002585 0.96 AML other m 2018-08-27T01:43:38.77
ST.RONC.EHE. ML:2.6 0.0001865 0.68 AML other m 2018-08-27T01:43:39.61
IV.MABI.HHN. ML:2.0 0.000039599999999999994 0.3 AML other m 2018-08-27T01:43:39.66
IV.MABI.HHE. ML:1.9 0.000035000000000000004 0.56 AML other m 2018-08-27T01:43:40.04
IV.BDI.HHN. ML:2.1 0.00005895 0.48 AML other m 2018-08-27T01:43:41.98
ST.VARA.EHN. ML:2.6 0.000147 1.28 AML other m 2018-08-27T01:43:42.97
ST.VARA.EHE. ML:2.7 0.00020649999999999998 1.3 AML other m 2018-08-27T01:43:42.15
CH.BNALP.HHE. ML:2.0 0.000023449999999999997 0.4 AML other m 2018-08-27T01:43:51.95
CH.BNALP.HHN. ML:2.0 0.000024750000000000002 0.62 AML other m 2018-08-27T01:43:55.08
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