Earthquake with magnitude of Md 2.4 on date 05-05-1986 and time 03:23:02 (Italy) in region 2 km NW Montacuto (AL)

A magnitude Md 2.4 earthquake occured in region: 2 km NW Montacuto (AL), on

  • 05-05-1986 01:23:02 (UTC)
  • 05-05-1986 03:23:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.7790, 9.0900 at 5 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
Montacuto AL 2 278 278
San Sebastiano Curone AL 2 583 861
Gremiasco AL 3 324 1185
Dernice AL 3 185 1370
Brignano-Frascata AL 5 456 1826
Fabbrica Curone AL 6 656 2482
Bagnaria PV 6 658 3140
Garbagna AL 7 696 3836
Cantalupo Ligure AL 8 527 4363
Cecima PV 8 236 4599
Momperone AL 8 223 4822
Ponte Nizza PV 8 807 5629
Rocchetta Ligure AL 9 200 5829
Casasco AL 9 129 5958
Albera Ligure AL 9 325 6283
Varzi PV 10 3279 9562
Avolasca AL 10 294 9856
Montemarzino AL 11 341 10197
Cabella Ligure AL 12 528 10725
Santa Margherita di Staffora PV 12 473 11198
Pozzol Groppo AL 12 328 11526
Roccaforte Ligure AL 12 136 11662
Montegioco AL 13 313 11975
Borghetto di Borbera AL 13 1966 13941
Castellania AL 13 90 14031
Val di Nizza PV 13 624 14655
Costa Vescovato AL 13 335 14990
Grondona AL 13 510 15500
Sant'Agata Fossili AL 13 425 15925
Godiasco Salice Terme PV 14 3229 19154
Cerreto Grue AL 14 323 19477
Monleale AL 15 566 20043
Sardigliano AL 15 406 20449
Montesegale PV 15 298 20747
Valverde PV 15 287 21034
Volpedo AL 15 1227 22261
Rocca Susella PV 15 225 22486
Menconico PV 15 360 22846
Carezzano AL 15 431 23277
Berzano di Tortona AL 16 157 23434
Mongiardino Ligure AL 16 165 23599
Brallo di Pregola PV 16 599 24198
Gavazzana AL 16 180 24378
Paderna AL 16 220 24598
Volpeglino AL 16 148 24746
Sarezzano AL 17 1171 25917
Casalnoceto AL 17 980 26897
Zavattarello PV 17 991 27888
Vignole Borbera AL 18 2182 30070
Fortunago PV 18 390 30460
Villaromagnano AL 18 715 31175
Rivanazzano Terme PV 18 5312 36487
Cassano Spinola AL 18 1731 38218
Castellar Guidobono AL 18 399 38617
Isola del Cantone GE 18 1540 40157
Spineto Scrivia AL 18 337 40494
Stazzano AL 18 2486 42980
Villalvernia AL 19 955 43935
Borgoratto Mormorolo PV 19 432 44367
Carbonara Scrivia AL 19 1122 45489
Arquata Scrivia AL 19 6409 51898
Carrega Ligure AL 19 84 51982
Serravalle Scrivia AL 19 6128 58110
Viguzzolo AL 19 3148 61258
Retorbido PV 20 1538 62796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Alessandria (93943 inhabitants)
43 Km NE of Genova (586655 inhabitants)
46 Km S of Pavia (72576 inhabitants)
57 Km SW of Piacenza (102191 inhabitants)
63 Km SE of Vigevano (63310 inhabitants)
71 Km E of Asti (76202 inhabitants)
71 Km NE of Savona (61345 inhabitants)
77 Km S of Milano (1345851 inhabitants)
83 Km SE of Novara (104380 inhabitants)
84 Km W of Cremona (71901 inhabitants)
84 Km S of Rho (50434 inhabitants)
85 Km S of Sesto San Giovanni (81608 inhabitants)
87 Km S of Cinisello Balsamo (75078 inhabitants)
91 Km S of Monza (122671 inhabitants)
92 Km S of Legnano (60262 inhabitants)
95 Km NW of La Spezia (93959 inhabitants)
95 Km S of Busto Arsizio (83106 inhabitants)
98 Km W of Parma (192836 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
Md 2.4 1986-05-05
01:23:02
44.779 9.09 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 26549
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-05-05 01:23:02 ± 0.119
Latitude 44.7790 ± 0.0125
Longitude 9.0900 ± 0.0105
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 26549

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) 1613.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.01975
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 26549
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:28:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1986-05-05T01:23:40.00 10.0 undecidable manual PN 54 2.1978 0.28 0.6
--.DA9.Z. 1986-05-05T01:23:28.00 10.0 undecidable manual PN 259 1.3431 0.06 1.3
--.MDI.Z. 1986-05-05T01:23:24.00 10.0 undecidable manual PN 23 1.0878 -0.49 0.4
--.ROB.Z. 1986-05-05T01:23:23.20 10.0 undecidable manual PG 241 0.9879 0.51 0.4
--.FIN.Z. 1986-05-05T01:23:19.80 10.0 undecidable manual PG 228 0.8436 -0.29 1
--.VEA.Z. 1986-05-05T01:23:17.90 10.0 undecidable manual SG 73 0.3885 0.05 0.7
--.VEA.Z. 1986-05-05T01:23:11.50 10.0 undecidable manual PG 73 0.3885 0.06 1.7
--.GEN.Z. 1986-05-05T01:23:10.90 10.0 undecidable manual PG 196 0.3663 -0.21 1.3
--.CO9.Z. 1986-05-05T01:23:08.50 10.0 undecidable manual PG 92 0.2553 0.06 1.7
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