Earthquake with magnitude of ML 1.8 on date 22-11-2015 and time 21:40:57 (Italy) in region 2 km SE Ferrera Erbognone (PV)

A magnitude ML 1.8 earthquake occured in region: 2 km SE Ferrera Erbognone (PV), on

  • 22-11-2015 20:40:57 (UTC)
  • 22-11-2015 21:40:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.1050, 8.8840 at 37 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
Ferrera Erbognone PV 2 1189 1189
Sannazzaro de' Burgondi PV 2 5515 6704
Scaldasole PV 3 938 7642
Galliavola PV 5 211 7853
Valeggio PV 5 217 8070
Mezzana Bigli PV 6 1098 9168
Pieve Albignola PV 6 873 10041
Ottobiano PV 7 1090 11131
Cornale e Bastida PV 7 867 11998
Alagna PV 7 875 12873
Lomello PV 7 2206 15079
Villa Biscossi PV 8 78 15157
Dorno PV 8 4656 19813
Corana PV 8 812 20625
Isola Sant'Antonio AL 9 717 21342
Pieve del Cairo PV 9 2063 23405
Silvano Pietra PV 9 672 24077
Molino dei Torti AL 9 605 24682
Alzano Scrivia AL 10 377 25059
Guazzora AL 11 305 25364
San Giorgio di Lomellina PV 11 1099 26463
Garlasco PV 11 9787 36250
Casei Gerola PV 11 2500 38750
Mede PV 12 6693 45443
Cervesina PV 12 1204 46647
Zinasco PV 12 3262 49909
Gropello Cairoli PV 12 4599 54508
Mezzana Rabattone PV 12 497 55005
Tromello PV 12 3856 58861
Gambarana PV 13 225 59086
Semiana PV 13 231 59317
Velezzo Lomellina PV 13 95 59412
Pancarana PV 14 316 59728
Cergnago PV 14 735 60463
Suardi PV 14 624 61087
Castelnuovo Scrivia AL 14 5274 66361
Sale AL 15 4172 70533
Villanova d'Ardenghi PV 15 772 71305
Borgo San Siro PV 15 1019 72324
Alluvioni Cambiò AL 15 912 73236
Pizzale PV 15 735 73971
Zerbolò PV 15 1752 75723
Carbonara al Ticino PV 15 1548 77271
Voghera PV 16 39421 116692
Sommo PV 16 1145 117837
Bassignana AL 16 1709 119546
Gambolò PV 16 10091 129637
Bastida Pancarana PV 17 1023 130660
Pontecurone AL 17 3723 134383
Lungavilla PV 17 2429 136812
Frascarolo PV 17 1209 138021
Castelletto di Branduzzo PV 17 1033 139054
Sartirana Lomellina PV 17 1657 140711
Torre Beretti e Castellaro PV 17 567 141278
Olevano di Lomellina PV 18 729 142007
Valle Lomellina PV 18 2197 144204
Cava Manara PV 18 6707 150911
Verretto PV 19 395 151306
Rivarone AL 19 381 151687
Torre d'Isola PV 20 2417 154104
Zeme PV 20 1074 155178
Piovera AL 20 851 156029
Mortara PV 20 15386 171415

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Pavia (72576 inhabitants)
24 Km S of Vigevano (63310 inhabitants)
30 Km NE of Alessandria (93943 inhabitants)
43 Km SE of Novara (104380 inhabitants)
47 Km SW of Milano (1345851 inhabitants)
49 Km S of Rho (50434 inhabitants)
55 Km S of Legnano (60262 inhabitants)
55 Km SW of Sesto San Giovanni (81608 inhabitants)
57 Km SW of Cinisello Balsamo (75078 inhabitants)
57 Km S of Busto Arsizio (83106 inhabitants)
58 Km E of Asti (76202 inhabitants)
62 Km SW of Monza (122671 inhabitants)
62 Km S of Gallarate (53343 inhabitants)
64 Km W of Piacenza (102191 inhabitants)
77 Km N of Genova (586655 inhabitants)
79 Km S of Varese (80799 inhabitants)
80 Km S of Como (84495 inhabitants)
90 Km W of Cremona (71901 inhabitants)
90 Km SW of Bergamo (119381 inhabitants)
94 Km NE of Savona (61345 inhabitants)
95 Km E of Torino (890529 inhabitants)
95 Km E of Moncalieri (57294 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 1.8 2015-11-22
20:40:57
45.1053 8.8842 37 2016-02-19
13:22:41
Bollettino Sismico Italiano INGV 22783041
Reviewed
Rev100
ML 1.8 2015-11-22
20:40:57
45.0915 8.9182 38 2015-11-22
20:50:07
Sala Sismica INGV-Roma 22392071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-11-22 20:40:57 ± 0.15
Latitude 45.1053 ± 0.0108
Longitude 8.8842 ± 0.0153
Depth (km) 37 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 22783041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1146
Semi-minor axis of confidence ellipse (meter) 1056
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 151
Circular confidence region, given by single value of horizontal uncertainty (meter) 1150.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.26085
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 22392071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-11-22 20:50:07

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 22783041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-12-22 08:13:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUSIO.HHZ. 2015-11-22T20:41:39.99 3.0 undecidable manual S 2.71 0
IV.GROG.HHZ. 2015-11-22T20:41:32.12 3.0 undecidable manual P 5.75 0
GU.RSP.HHZ. 2015-11-22T20:41:32.44 0.3 undecidable manual S 273 126.7731 54 0.31 61
GU.CIRO.HHZ. 2015-11-22T20:41:30.41 0.3 undecidable manual S 299 116.3946 54 0.51 59
GU.SATI.HHZ. 2015-11-22T20:41:30.16 0.6 undecidable manual S 318 116.2947 54 0.28 42
GU.TRAV.HHZ. 2015-11-22T20:41:25.99 0.3 undecidable manual S 297 99.5226 54 -0.27 65
IV.QLNO.HHE. 2015-11-22T20:41:25.95 0.3 undecidable manual S 206 96.5256 54 0.36 65
CH.MUGIO.HHZ. 2015-11-22T20:41:24.44 0.3 undecidable manual S 8 91.4418 54 -0.06 69
IV.SALO.HHZ. 2015-11-22T20:41:18.26 0.6 undecidable manual P 65 139.9488 54 -0.83 33
GU.PCP.HHZ. 2015-11-22T20:41:18.76 0.3 undecidable manual S 203 67.9764 54 -0.7 59
GU.RSP.HHZ. 2015-11-22T20:41:18.18 0.1 undecidable manual P 273 126.7731 54 0.73 71
IV.BOB.HNE. 2015-11-22T20:41:18.19 0.3 undecidable manual S 130 57.9975 118 1.07 52
GU.CIRO.HHZ. 2015-11-22T20:41:16.07 0.3 undecidable manual P 299 116.3946 54 -0.09 65
GU.SATI.HHZ. 2015-11-22T20:41:16.14 0.3 undecidable manual P 318 116.2947 54 -0.01 66
GU.ROTM.HHZ. 2015-11-22T20:41:15.62 0.3 undecidable manual S 236 50.4162 122 0.23 71
GU.TRAV.HHZ. 2015-11-22T20:41:13.63 0.1 undecidable manual P 297 99.5226 54 -0.43 84
IV.QLNO.HHE. 2015-11-22T20:41:13.95 0.3 undecidable manual P 206 96.5256 54 0.27 66
CH.MUGIO.HHZ. 2015-11-22T20:41:12.61 0.1 undecidable manual P 8 91.4418 54 -0.44 85
GU.GORR.HHN. 2015-11-22T20:41:09.47 0.6 undecidable manual P 150 63.8916 116 -0.13 48
GU.PCP.HHZ. 2015-11-22T20:41:09.52 0.1 undecidable manual P 203 67.9764 54 -0.61 83
IV.BOB.HNE. 2015-11-22T20:41:08.99 0.3 undecidable manual P 130 57.9975 118 0.21 71
GU.ROTM.HHZ. 2015-11-22T20:41:07.78 0.1 negative manual P 236 50.4162 122 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CIRO.HHN. ML:1.9 0.000054149999999999995 0.12 AML other m 2015-11-22T20:41:30.78
GU.CIRO.HHE. ML:1.7 0.0000374 0.18 AML other m 2015-11-22T20:41:30.94
GU.ROTM.HHE. ML:2.1 0.0002455 1.58 AML other m 2015-11-22T20:41:09.19
GU.ROTM.HHN. ML:2.1 0.0002635 1.36 AML other m 2015-11-22T20:41:17.05
GU.RSP.HHE. ML:1.7 0.00003485 1.56 AML other m 2015-11-22T20:41:33.95
GU.RSP.HHN. ML:1.7 0.0000336 1.58 AML other m 2015-11-22T20:42:02.01
GU.SATI.HHE. ML:1.5 0.0000229 1.58 AML other m 2015-11-22T20:41:48.33
GU.SATI.HHN. ML:1.5 0.0000259 1.54 AML other m 2015-11-22T20:41:30.85
GU.TRAV.HHN. ML:2.0 0.000095 0.26 AML other m 2015-11-22T20:41:27.57
GU.TRAV.HHE. ML:1.8 0.0000637 0.26 AML other m 2015-11-22T20:41:27.66
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