Earthquake with magnitude of Md 2.8 on date 04-05-1985 and time 00:43:12 (UTC) in region 1 km W Rocca de' Giorgi (PV)

A magnitude Md 2.8 earthquake occured in region: 1 km W Rocca de' Giorgi (PV), on

  • 04-05-1985 00:43:12 (UTC)
  • 04-05-1985 02:43:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.97, 9.24 at 10 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
Rocca de' Giorgi PV 1 87 87
Montalto Pavese PV 3 890 977
Lirio PV 3 122 1099
Montecalvo Versiggia PV 4 521 1620
Canevino PV 4 109 1729
Mornico Losana PV 5 641 2370
Santa Maria della Versa PV 5 2430 4800
Volpara PV 5 134 4934
Pietra de' Giorgi PV 5 862 5796
Calvignano PV 6 122 5918
Golferenzo PV 6 190 6108
Ruino PV 6 723 6831
Borgoratto Mormorolo PV 6 432 7263
Oliva Gessi PV 6 176 7439
Castana PV 7 721 8160
Cigognola PV 7 1351 9511
Torricella Verzate PV 7 844 10355
Borgo Priolo PV 7 1474 11829
Fortunago PV 7 390 12219
Redavalle PV 8 1069 13288
Corvino San Quirico PV 8 1039 14327
Montescano PV 8 404 14731
Santa Giuletta PV 8 1643 16374
Caminata PC 9 252 16626
Canneto Pavese PV 9 1353 17979
Montù Beccaria PV 9 1690 19669
Casteggio PV 10 6805 26474
Rovescala PV 10 901 27375
Broni PV 10 9364 36739
Nibbiano PC 10 2177 38916
San Damiano al Colle PV 11 656 39572
Robecco Pavese PV 11 565 40137
Montebello della Battaglia PV 11 1628 41765
Zenevredo PV 11 486 42251
Montesegale PV 12 298 42549
Barbianello PV 12 872 43421
Casatisma PV 12 899 44320
Zavattarello PV 12 991 45311
Val di Nizza PV 12 624 45935
Pinarolo Po PV 12 1696 47631
Torrazza Coste PV 12 1680 49311
Valverde PV 12 287 49598
Stradella PV 12 11622 61220
Verretto PV 13 395 61615
Rocca Susella PV 13 225 61840
Campospinoso PV 13 1032 62872
Ziano Piacentino PC 13 2556 65428
Pianello Val Tidone PC 13 2202 67630
Casanova Lonati PV 14 458 68088
Bosnasco PV 14 634 68722
Bressana Bottarone PV 14 3529 72251
Codevilla PV 14 997 73248
Albaredo Arnaboldi PV 15 250 73498
Lungavilla PV 15 2429 75927
Castelletto di Branduzzo PV 15 1033 76960
San Cipriano Po PV 16 488 77448
Portalbera PV 16 1524 78972
Pecorara PC 16 730 79702
Retorbido PV 16 1538 81240
Verrua Po PV 16 1272 82512
Pizzale PV 17 735 83247
Godiasco Salice Terme PV 17 3229 86476
Arena Po PV 17 1574 88050
Romagnese PV 17 687 88737
Rea PV 17 425 89162
Bastida Pancarana PV 17 1023 90185
Varzi PV 17 3279 93464
Mezzanino PV 17 1440 94904
Borgonovo Val Tidone PC 17 7892 102796
Ponte Nizza PV 17 807 103603
San Zenone al Po PV 18 596 104199
Spessa PV 18 605 104804
Rivanazzano Terme PV 18 5312 110116
Castel San Giovanni PC 18 13726 123842
Voghera PV 18 39421 163263
Pancarana PV 19 316 163579
Cecima PV 19 236 163815
Bagnaria PV 19 658 164473
Pozzol Groppo AL 20 328 164801
Zerbo PV 20 429 165230
Cervesina PV 20 1204 166434
Menconico PV 20 360 166794

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km S of Pavia (72576 inhabitants)
37 Km W of Piacenza (102191 inhabitants)
48 Km SE of Vigevano (63310 inhabitants)
49 Km E of Alessandria (93943 inhabitants)
55 Km S of Milano (1345851 inhabitants)
62 Km S of Sesto San Giovanni (81608 inhabitants)
64 Km S of Rho (50434 inhabitants)
64 Km W of Cremona (71901 inhabitants)
65 Km S of Cinisello Balsamo (75078 inhabitants)
67 Km NE of Genova (586655 inhabitants)
68 Km S of Monza (122671 inhabitants)
71 Km SE of Novara (104380 inhabitants)
73 Km SE of Legnano (60262 inhabitants)
77 Km SE of Busto Arsizio (83106 inhabitants)
82 Km E of Asti (76202 inhabitants)
84 Km SE of Gallarate (53343 inhabitants)
87 Km SW of Bergamo (119381 inhabitants)
88 Km W of Parma (192836 inhabitants)
94 Km S of Como (84495 inhabitants)
95 Km NE of Savona (61345 inhabitants)
99 Km SW of Brescia (196480 inhabitants)
99 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
Rev 1000 Md 2.8
ML-VAX 2.5
1985-05-04
00:43:12
44.97 9.24 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 5859
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-04 00:43:12 ± 0.651
Latitude 44.97 ± 0.01
Longitude 9.24 ± 0.02
Depth (km) 10 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 5859

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 2177.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.02655
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 5859
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:10:16

ML:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 5859
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.FO1.Z. 1985-05-04T00:43:59.30 10.0 undecidable manual PN 55 0.0266 0.11 1.2
--.LRG.Z. 1985-05-04T00:43:54.30 10.0 undecidable manual PN 234 0.023 0.47 1.1
--.CVF.Z. 1985-05-04T00:43:53.40 10.0 undecidable manual PN 186 0.0218 1.51 0.3
--.LMR.Z. 1985-05-04T00:43:53.90 10.0 undecidable manual PN 231 0.0229 0.18 1.3
--.ROB.Z. 1985-05-04T00:43:52.00 10.0 undecidable manual SN 235 0.0106 0.81 0.5
--.FRF.Z. 1985-05-04T00:43:51.20 10.0 undecidable manual PN 233 0.021 0.51 1.2
--.SAL.Z. 1985-05-04T00:43:49.50 10.0 undecidable manual SN 54 0.0099 0.13 0.8
--.ORO.Z. 1985-05-04T00:43:48.00 10.0 undecidable manual SN 307 0.0099 -1.26 0.3
--.CTI.Z. 1985-05-04T00:43:44.50 10.0 undecidable manual PN 56 0.018 -1.64 0.2
--.BG1.Z. 1985-05-04T00:43:42.50 10.0 undecidable manual SG 22 0.0078 0.07 0.8
--.PS9.Z. 1985-05-04T00:43:40.00 10.0 undecidable manual PN? 143 0.0139 0.02 0.7
--.ORO.Z. 1985-05-04T00:43:34.00 10.0 undecidable manual PN 307 0.0099 0.23 1.9
--.ROB.Z. 1985-05-04T00:43:34.70 10.0 undecidable manual PN 235 0.0106 -0.19 2
--.SAL.Z. 1985-05-04T00:43:33.00 10.0 undecidable manual PN 54 0.0099 -0.84 1.2
--.GEN.Z. 1985-05-04T00:43:32.10 10.0 undecidable manual SG 201 0.0053 -1.5 0.1
--.VAI.Z. 1985-05-04T00:43:32.00 10.0 undecidable manual PG? 340 0.0085 0.65 0.6
--.CK1.Z. 1985-05-04T00:43:30.00 10.0 undecidable manual PG? 231 0.0079 -0.01 0.8
--.BG1.Z. 1985-05-04T00:43:29.30 10.0 undecidable manual PG 22 0.0078 -0.52 1.7
--.GEN.Z. 1985-05-04T00:43:23.60 10.0 undecidable manual PG 201 0.0053 -1.13 0.8
--.CO9.Z. 1985-05-04T00:43:22.50 10.0 undecidable manual SG 144 0.0023 -0.19 0.8
--.PCN.Z. 1985-05-04T00:43:20.50 10.0 undecidable manual PG 75 0.0028 1 1.9
--.CO9.Z. 1985-05-04T00:43:18.00 10.0 undecidable manual PG 144 0.0023 -0.43 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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