Earthquake with magnitude of ML 1.9 on date 19-08-2011 and time 00:33:39 (Italy) in region 1 km NE Calvignano (PV)

A magnitude ML 1.9 earthquake occured in region: 1 km NE Calvignano (PV), on

  • 18-08-2011 22:33:39 (UTC)
  • 19-08-2011 00:33:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.9930, 9.1740 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Calvignano PV 1 122 122
Oliva Gessi PV 2 176 298
Torricella Verzate PV 3 844 1142
Corvino San Quirico PV 3 1039 2181
Montalto Pavese PV 3 890 3071
Mornico Losana PV 3 641 3712
Borgo Priolo PV 3 1474 5186
Casteggio PV 4 6805 11991
Santa Giuletta PV 5 1643 13634
Pietra de' Giorgi PV 6 862 14496
Redavalle PV 6 1069 15565
Montebello della Battaglia PV 6 1628 17193
Lirio PV 7 122 17315
Rocca de' Giorgi PV 7 87 17402
Robecco Pavese PV 7 565 17967
Casatisma PV 7 899 18866
Torrazza Coste PV 7 1680 20546
Borgoratto Mormorolo PV 7 432 20978
Cigognola PV 7 1351 22329
Verretto PV 7 395 22724
Fortunago PV 8 390 23114
Pinarolo Po PV 8 1696 24810
Castana PV 9 721 25531
Montecalvo Versiggia PV 9 521 26052
Lungavilla PV 10 2429 28481
Bressana Bottarone PV 10 3529 32010
Canevino PV 10 109 32119
Barbianello PV 10 872 32991
Codevilla PV 10 997 33988
Santa Maria della Versa PV 10 2430 36418
Montesegale PV 10 298 36716
Broni PV 10 9364 46080
Castelletto di Branduzzo PV 11 1033 47113
Montescano PV 11 404 47517
Ruino PV 11 723 48240
Canneto Pavese PV 11 1353 49593
Rocca Susella PV 11 225 49818
Volpara PV 11 134 49952
Pizzale PV 11 735 50687
Golferenzo PV 11 190 50877
Retorbido PV 12 1538 52415
Casanova Lonati PV 12 458 52873
Montù Beccaria PV 12 1690 54563
Bastida Pancarana PV 12 1023 55586
Val di Nizza PV 13 624 56210
Campospinoso PV 13 1032 57242
Voghera PV 13 39421 96663
Stradella PV 13 11622 108285
Pancarana PV 13 316 108601
Verrua Po PV 13 1272 109873
Rea PV 14 425 110298
Zenevredo PV 14 486 110784
Albaredo Arnaboldi PV 14 250 111034
Godiasco Salice Terme PV 14 3229 114263
Rovescala PV 14 901 115164
Rivanazzano Terme PV 14 5312 120476
Caminata PC 14 252 120728
San Damiano al Colle PV 14 656 121384
Cervesina PV 14 1204 122588
Valverde PV 15 287 122875
Mezzanino PV 15 1440 124315
Nibbiano PC 16 2177 126492
Zavattarello PV 16 991 127483
San Cipriano Po PV 16 488 127971
Mezzana Rabattone PV 16 497 128468
Bosnasco PV 17 634 129102
Ponte Nizza PV 17 807 129909
Portalbera PV 17 1524 131433
Pozzol Groppo AL 17 328 131761
Cava Manara PV 17 6707 138468
Sommo PV 17 1145 139613
Casalnoceto AL 17 980 140593
Cecima PV 18 236 140829
Corana PV 18 812 141641
Travacò Siccomario PV 18 4436 146077
Ziano Piacentino PC 18 2556 148633
Silvano Pietra PV 19 672 149305
San Martino Siccomario PV 19 6182 155487
Arena Po PV 19 1574 157061
Volpedo AL 19 1227 158288
Bagnaria PV 19 658 158946
Zinasco PV 19 3262 162208
Pianello Val Tidone PC 19 2202 164410
Varzi PV 19 3279 167689
Pontecurone AL 19 3723 171412
Monleale AL 19 566 171978
Spessa PV 19 605 172583
Casei Gerola PV 19 2500 175083
San Zenone al Po PV 20 596 175679

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km S of Pavia (72576 inhabitants)
41 Km W of Piacenza (102191 inhabitants)
44 Km SE of Vigevano (63310 inhabitants)
45 Km E of Alessandria (93943 inhabitants)
53 Km S of Milano (1345851 inhabitants)
60 Km S of Sesto San Giovanni (81608 inhabitants)
61 Km S of Rho (50434 inhabitants)
63 Km S of Cinisello Balsamo (75078 inhabitants)
66 Km S of Monza (122671 inhabitants)
66 Km SE of Novara (104380 inhabitants)
67 Km N of Genova (586655 inhabitants)
69 Km W of Cremona (71901 inhabitants)
70 Km SE of Legnano (60262 inhabitants)
74 Km SE of Busto Arsizio (83106 inhabitants)
77 Km E of Asti (76202 inhabitants)
80 Km SE of Gallarate (53343 inhabitants)
87 Km SW of Bergamo (119381 inhabitants)
91 Km S of Como (84495 inhabitants)
93 Km W of Parma (192836 inhabitants)
94 Km NE of Savona (61345 inhabitants)
96 Km SE 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 1.9 2011-08-18
22:33:39
44.993 9.174 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1274079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-08-18 22:33:39 ± 0.46
Latitude 44.9930 ± 0.0090
Longitude 9.1740 ± 0.0140
Depth (km) 9 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1274079

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1182
Semi-minor axis of confidence ellipse (meter) 384
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 237
Circular confidence region, given by single value of horizontal uncertainty (meter) 1486.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.52
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.13045
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 1274079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:10:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.STR3.BHE. 2011-08-18T22:34:32.29 10.0 undecidable manual Sg 0 0 0
IV.ROVR.HHN. 2011-08-18T22:34:27.50 10.0 undecidable manual Sg 0 0 0
IV.ILLI.HHZ. 2011-08-18T22:34:22.51 10.0 undecidable manual Sg 0 0 0
IV.ILLI.HHZ. 2011-08-18T22:34:15.80 10.0 undecidable manual Pg 0 0 0
GU.TRAV.HHE. 2011-08-18T22:34:15.74 0.6 undecidable manual Sg 298 125.4744 -0.286 41
IV.PLMA.HHE. 2011-08-18T22:34:13.10 0.6 undecidable manual Sg 153 117.5934 -0.832 35
CH.MUGIO.HHN. 2011-08-18T22:34:10.39 0.6 undecidable manual Sg 354 103.6185 0.199 43
IV.QLNO.HHE. 2011-08-18T22:34:09.06 0.3 undecidable manual Sg 222 98.8233 0.148 67
GU.NEGI.HHN. 2011-08-18T22:34:06.48 10.0 undecidable manual Pg 0 0 0
IV.ROVR.HHN. 2011-08-18T22:34:03.19 10.0 undecidable manual Pg 0 0 0
IV.CTL8.EHN. 2011-08-18T22:34:03.88 10.0 undecidable manual Pg 0 0 0
IV.MSSA.HHE. 2011-08-18T22:34:03.49 0.6 undecidable manual Sg 160 79.7646 -0.346 44
GU.SC2M.HHE. 2011-08-18T22:34:01.30 0.6 undecidable manual Sg 156 71.1732 -0.248 46
GU.PCP.HHN. 2011-08-18T22:34:01.16 0.6 undecidable manual Sg 225 70.374 -0.176 47
IV.DOI.HHN. 2011-08-18T22:34:01.59 10.0 undecidable manual Pg 0 0 0
GU.TRAV.HHE. 2011-08-18T22:34:00.24 0.3 undecidable manual Pg 298 125.4744 -0.397 60
IV.PLMA.HHE. 2011-08-18T22:33:59.06 0.3 undecidable manual Pg 153 117.5934 -0.368 61
IV.CAMP.HHZ. 2011-08-18T22:33:59.93 10.0 undecidable manual Pg 0 0 0
IV.MAGA.HHN. 2011-08-18T22:33:58.81 10.0 undecidable manual Sg 0 0 0
IV.QLNO.HHE. 2011-08-18T22:33:57.14 0.3 undecidable manual Pg 222 98.8233 0.608 59
CH.MUGIO.HHN. 2011-08-18T22:33:57.29 0.3 undecidable manual Pg 354 103.6185 0.019 68
IV.MCRV.HHN. 2011-08-18T22:33:57.34 10.0 undecidable manual Pg 0 0 0
IV.MSSA.HHE. 2011-08-18T22:33:53.47 0.1 undecidable manual Pg 160 79.7646 -0.133 92
IV.BOB.HHN. 2011-08-18T22:33:52.36 0.3 undecidable manual Sg 139 32.9448 1.021 56
GU.PCP.HHN. 2011-08-18T22:33:52.63 0.3 undecidable manual Pg 225 70.374 0.478 65
GU.SC2M.HHE. 2011-08-18T22:33:51.86 0.3 undecidable manual Pg 156 71.1732 -0.418 66
IV.MAGA.HHN. 2011-08-18T22:33:48.54 10.0 undecidable manual Pg 0 0 0
IV.BOB.HHN. 2011-08-18T22:33:46.55 0.1 undecidable manual Pg 139 32.9448 0.162 100
IV.NRCA.HHZ. 2011-08-18T22:33:41.49 10.0 undecidable manual Pg 0 0 0
IV.VARE.HHE. 2011-08-18T22:33:39.29 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHE. 2011-08-18T22:33:23.37 10.0 undecidable manual Pg 0 0 0
IV.SACS.HHE. 2011-08-18T22:33:15.00 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHE. 2011-08-18T22:33:11.07 10.0 undecidable manual Pg 0 0 0
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