Earthquake with magnitude of Md 2.2 on date 25-04-1985 and time 16:53:51 (Italy) in region 1 km SE Ozzano Monferrato (AL)

A magnitude Md 2.2 earthquake occured in region: 1 km SE Ozzano Monferrato (AL), on

  • 25-04-1985 14:53:51 (UTC)
  • 25-04-1985 16:53:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.1, 8.38 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
Ozzano Monferrato AL 1 1436 1436
Treville AL 2 281 1717
Rosignano Monferrato AL 2 1568 3285
Cella Monte AL 3 495 3780
Sala Monferrato AL 3 352 4132
San Giorgio Monferrato AL 3 1265 5397
Terruggia AL 5 936 6333
Cereseto AL 5 437 6770
Coniolo AL 6 464 7234
Ottiglio AL 6 629 7863
Pontestura AL 7 1488 9351
Olivola AL 7 122 9473
Casale Monferrato AL 7 34437 43910
Frassinello Monferrato AL 7 502 44412
Morano sul Po AL 8 1441 45853
Serralunga di Crea AL 8 562 46415
Grazzano Badoglio AT 8 615 47030
Solonghello AL 9 226 47256
Casorzo AT 9 633 47889
Ponzano Monferrato AL 9 356 48245
Vignale Monferrato AL 10 1006 49251
Camagna Monferrato AL 10 528 49779
Balzola AL 10 1360 51139
Conzano AL 10 979 52118
Camino AL 10 807 52925
Moncalvo AT 11 3033 55958
Occimiano AL 11 1319 57277
Mombello Monferrato AL 11 1038 58315
Borgo San Martino AL 11 1428 59743
Castelletto Merli AL 11 476 60219
Altavilla Monferrato AL 12 468 60687
Villanova Monferrato AL 12 1876 62563
Penango AT 12 488 63051
Trino VC 13 7265 70316
Grana AT 13 600 70916
Frassineto Po AL 13 1460 72376
Mirabello Monferrato AL 13 1374 73750
Viarigi AT 13 929 74679
Cuccaro Monferrato AL 13 340 75019
Montemagno AT 13 1153 76172
Lu AL 13 1122 77294
Rive VC 13 463 77757
Cerrina Monferrato AL 13 1435 79192
Odalengo Piccolo AL 14 262 79454
Ticineto AL 14 1371 80825
Calliano AT 14 1317 82142
Alfiano Natta AL 15 744 82886
Fubine AL 15 1653 84539
Giarole AL 15 718 85257
Palazzolo Vercellese VC 15 1197 86454
Motta de' Conti VC 15 786 87240
Costanzana VC 16 797 88037
Pertengo VC 16 332 88369
Valmacca AL 16 1021 89390
Tricerro VC 16 730 90120
Castagnole Monferrato AT 16 1245 91365
Stroppiana VC 16 1238 92603
Gabiano AL 16 1167 93770
Scurzolengo AT 17 555 94325
Villadeati AL 17 479 94804
Odalengo Grande AL 17 442 95246
Caresana VC 17 1024 96270
Tonco AT 17 866 97136
Villamiroglio AL 17 306 97442
Pomaro Monferrato AL 17 355 97797
Refrancore AT 18 1591 99388
Bozzole AL 18 319 99707
Portacomaro AT 18 2006 101713
Fontanetto Po VC 18 1162 102875
San Salvatore Monferrato AL 18 4299 107174
Castell'Alfero AT 18 2763 109937
Asigliano Vercellese VC 19 1429 111366
Moncestino AL 19 213 111579
Quargnento AL 19 1398 112977
Frinco AT 19 768 113745
Candia Lomellina PV 19 1550 115295
Murisengo AL 19 1436 116731
Ronsecco VC 19 578 117309
Breme PV 19 800 118109
Desana VC 19 1075 119184
Castelletto Monferrato AL 20 1537 120721
Langosco PV 20 387 121108

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Asti (76202 inhabitants)
28 Km NW of Alessandria (93943 inhabitants)
43 Km SW of Novara (104380 inhabitants)
45 Km SW of Vigevano (63310 inhabitants)
55 Km E of Torino (890529 inhabitants)
56 Km E of Moncalieri (57294 inhabitants)
62 Km W of Pavia (72576 inhabitants)
69 Km SW of Busto Arsizio (83106 inhabitants)
70 Km SW of Legnano (60262 inhabitants)
71 Km SW of Gallarate (53343 inhabitants)
71 Km SW of Rho (50434 inhabitants)
76 Km SW of Milano (1345851 inhabitants)
83 Km SW of Sesto San Giovanni (81608 inhabitants)
83 Km SW of Cinisello Balsamo (75078 inhabitants)
87 Km SW of Varese (80799 inhabitants)
88 Km NW of Genova (586655 inhabitants)
88 Km N of Savona (61345 inhabitants)
88 Km SW of Monza (122671 inhabitants)
97 Km SW of Como (84495 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 2.2 1985-04-25
14:53:51
45.1 8.38 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 5479
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-25 14:53:51 ± 0.352
Latitude 45.10 ± 0.05
Longitude 8.38 ± 0.19
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 5479

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) 16006.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00607
Epicentral distance of station farthest from the epicenter (degree) 0.00801
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 5479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:09:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.FIN.Z. 1985-04-25T14:54:21.60 10.0 undecidable manual SG 187 0.008 -0.73 0.3
--.ROB.Z. 1985-04-25T14:54:21.00 10.0 undecidable manual SG 204 0.0078 -0.56 0.5
--.VAI.N. 1985-04-25T14:54:19.80 10.0 undecidable manual SG 19 0.0073 0.03 0.6
--.CK1.Z. 1985-04-25T14:54:14.00 10.0 undecidable manual SG 186 0.0061 -1.4 0.1
--.ROB.Z. 1985-04-25T14:54:09.10 10.0 undecidable manual PG 204 0.0078 0.18 1.6
--.FIN.Z. 1985-04-25T14:54:09.50 10.0 undecidable manual PG 187 0.008 0.14 1.5
--.VAI.Z. 1985-04-25T14:54:07.80 10.0 positive manual PG 19 0.0073 -0.09 3.1
--.CK1.Z. 1985-04-25T14:54:07.50 10.0 undecidable manual PG 186 0.0061 2.14 0.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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