Earthquake with magnitude of Md 2.5 on date 20-06-1986 and time 02:07:46 (Italy) in region 5 km SE Serramazzoni (MO)

A magnitude Md 2.5 earthquake occured in region: 5 km SE Serramazzoni (MO), on

  • 20-06-1986 00:07:46 (UTC)
  • 20-06-1986 02:07:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4000, 10.8390 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
Serramazzoni MO 5 8282 8282
Pavullo nel Frignano MO 7 17383 25665
Guiglia MO 10 3931 29596
Polinago MO 11 1672 31268
Marano sul Panaro MO 12 5060 36328
Prignano sulla Secchia MO 13 3747 40075
Lama Mocogno MO 13 2734 42809
Zocca MO 14 4719 47528
Maranello MO 14 17359 64887
Castelvetro di Modena MO 14 11185 76072
Castellarano RE 15 15232 91304
Fiorano Modenese MO 16 17160 108464
Sassuolo MO 16 40853 149317
Vignola MO 16 25353 174670
Montese MO 17 3353 178023
Palagano MO 18 2194 180217
Montefiorino MO 18 2203 182420
Savignano sul Panaro MO 18 9177 191597
Castel d'Aiano BO 19 1906 193503
Castelnuovo Rangone MO 19 14896 208399
Montecreto MO 19 940 209339
Sestola MO 20 2508 211847
Formigine MO 20 34323 246170

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km S of Modena (184973 inhabitants)
37 Km SE of Reggio nell'Emilia (171345 inhabitants)
41 Km W of Bologna (386663 inhabitants)
43 Km S of Carpi (70699 inhabitants)
52 Km N of Pistoia (90315 inhabitants)
60 Km SE of Parma (192836 inhabitants)
61 Km NW of Prato (191150 inhabitants)
67 Km NE of Lucca (89046 inhabitants)
69 Km NE of Massa (69479 inhabitants)
69 Km NE of Carrara (63133 inhabitants)
70 Km W of Imola (69797 inhabitants)
76 Km NE of Viareggio (62467 inhabitants)
76 Km NW of Scandicci (50609 inhabitants)
78 Km NW of Firenze (382808 inhabitants)
79 Km SW of Ferrara (133155 inhabitants)
84 Km NE of Pisa (89158 inhabitants)
84 Km W of Faenza (58541 inhabitants)
87 Km E of La Spezia (93959 inhabitants)
98 Km W of Forlì (117913 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 2.5 1986-06-20
00:07:46
44.4 10.839 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 29729
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-20 00:07:46 ± 0.44
Latitude 44.4000 ± 0.0203
Longitude 10.8390 ± 0.0455
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 29729

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) 4262.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 188
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00340
Epicentral distance of station farthest from the epicenter (degree) 0.01943
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 29729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:31:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ROB.Z. 1986-06-20T00:08:46.00 10.0 undecidable manual SN 268 2.109 -1.74 0.1
--.FIN.Z. 1986-06-20T00:08:40.30 10.0 undecidable manual SN 264 1.887 -1.95 0.1
--.CTI.Z. 1986-06-20T00:08:37.00 10.0 undecidable manual SN 18 1.7316 -1.75 0.1
--.SAL.Z. 1986-06-20T00:08:27.00 10.0 undecidable manual SN 349 1.221 0.53 0.7
--.CO9.Z. 1986-06-20T00:08:24.00 10.0 undecidable manual SN 290 1.0545 1.6 0.2
--.ROB.Z. 1986-06-20T00:08:21.60 10.0 undecidable manual PN 268 2.109 -0.39 1.4
--.IMP.Z. 1986-06-20T00:08:21.20 10.0 undecidable manual PN 257 2.1534 -1.4 0.5
--.VEA.Z. 1986-06-20T00:08:19.50 10.0 undecidable manual SG 299 0.9879 -1.19 0.4
--.FIN.Z. 1986-06-20T00:08:18.20 10.0 undecidable manual PN 264 1.887 -0.62 1.3
--.CTI.Z. 1986-06-20T00:08:17.00 10.0 undecidable manual PN 18 1.7316 0.2 1.6
--.BVT.Z. 1986-06-20T00:08:12.20 10.0 undecidable manual SG 275 0.7326 -0.08 0.8
--.SAL.Z. 1986-06-20T00:08:09.80 10.0 undecidable manual PN 349 1.221 0.09 1.9
--.CO9.Z. 1986-06-20T00:08:08.50 10.0 undecidable manual PN 290 1.0545 1.14 1
--.VEA.Z. 1986-06-20T00:08:07.10 10.0 undecidable manual PG 299 0.9879 0.73 1.5
--.BVT.Z. 1986-06-20T00:08:03.10 10.0 undecidable manual PG 275 0.7326 1.58 0.5
--.BDI.Z. 1986-06-20T00:08:01.50 10.0 undecidable manual SG 207 0.3774 0.6 1
--.BDI.Z. 1986-06-20T00:07:55.00 10.0 negative manual PG 207 0.3774 0.05 3.9
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