Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.5 on date 01-06-1986 and time 06:01:40 (Italy) in region 2 km SE Serramazzoni (MO)

A magnitude Md 2.5 earthquake occured in region: 2 km SE Serramazzoni (MO), on

  • 01-06-1986 04:01:40 (UTC)
  • 01-06-1986 06:01:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4060, 10.8070 at 17 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.

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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 2 8282 8282
Pavullo nel Frignano MO 8 17383 25665
Polinago MO 9 1672 27337
Prignano sulla Secchia MO 10 3747 31084
Lama Mocogno MO 12 2734 33818
Guiglia MO 12 3931 37749
Castellarano RE 13 15232 52981
Marano sul Panaro MO 14 5060 58041
Maranello MO 14 17359 75400
Fiorano Modenese MO 15 17160 92560
Montefiorino MO 15 2203 94763
Sassuolo MO 15 40853 135616
Castelvetro di Modena MO 15 11185 146801
Palagano MO 16 2194 148995
Zocca MO 17 4719 153714
Vignola MO 18 25353 179067
Montecreto MO 19 940 180007
Montese MO 19 3353 183360
Castelnuovo Rangone MO 19 14896 198256
Formigine MO 19 34323 232579
Baiso RE 19 3315 235894
Sestola MO 20 2508 238402
Savignano sul Panaro MO 20 9177 247579
Toano RE 20 4463 252042

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Modena (184973 inhabitants)
35 Km SE of Reggio nell'Emilia (171345 inhabitants)
42 Km S of Carpi (70699 inhabitants)
44 Km W of Bologna (386663 inhabitants)
53 Km N of Pistoia (90315 inhabitants)
58 Km SE of Parma (192836 inhabitants)
63 Km NW of Prato (191150 inhabitants)
67 Km NE of Massa (69479 inhabitants)
67 Km NE of Lucca (89046 inhabitants)
67 Km NE of Carrara (63133 inhabitants)
72 Km W of Imola (69797 inhabitants)
75 Km NE of Viareggio (62467 inhabitants)
78 Km NW of Scandicci (50609 inhabitants)
79 Km NW of Firenze (382808 inhabitants)
80 Km SW of Ferrara (133155 inhabitants)
83 Km NE of Pisa (89158 inhabitants)
85 Km E of La Spezia (93959 inhabitants)
87 Km W of Faenza (58541 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 1986-06-01
04:01:40		 44.406 10.807 17 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 28319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-01 04:01:40 ± 0.379
Latitude 44.4060 ± 0.0211
Longitude 10.8070 ± 0.0308
Depth (km) 17 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 28319

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) 3387.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 177
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.01927
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 28319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:29:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.IMP.Z. 1986-06-01T04:02:40.50 10.0 undecidable manual SN 257 2.1423 -0.51 0.5
--.ROB.Z. 1986-06-01T04:02:40.00 10.0 undecidable manual SN 268 2.0979 0.09 0.6
--.FIN.Z. 1986-06-01T04:02:33.90 10.0 undecidable manual SN 264 1.8648 -0.53 0.5
--.CTI.Z. 1986-06-01T04:02:30.50 10.0 undecidable manual SN 19 1.7316 -0.98 0.3
--.ROB.Z. 1986-06-01T04:02:15.50 10.0 undecidable manual PN 268 2.0979 0.51 1.2
--.IMP.Z. 1986-06-01T04:02:14.40 10.0 undecidable manual PN 257 2.1423 -1.22 0.4
--.FIN.Z. 1986-06-01T04:02:11.80 10.0 undecidable manual PN 264 1.8648 -0.03 1.7
--.CTI.Z. 1986-06-01T04:02:10.80 10.0 undecidable manual PN 19 1.7316 0.68 1.2
--.BVT.Z. 1986-06-01T04:02:06.20 10.0 undecidable manual SG 275 0.6993 0.41 0.7
--.PS9.Z. 1986-06-01T04:02:06.50 10.0 undecidable manual SG 196 0.7104 0.57 0.6
--.GEN.Z. 1986-06-01T04:02:05.90 10.0 undecidable manual PN 271 1.332 1.42 0.3
--.BDI.Z. 1986-06-01T04:01:56.00 10.0 undecidable manual SG 203 0.3663 0.82 0.7
--.PS9.Z. 1986-06-01T04:01:54.50 10.0 undecidable manual PG 196 0.7104 -0.87 1
--.BVT.Z. 1986-06-01T04:01:54.70 10.0 undecidable manual PG 275 0.6993 -0.59 1.5
--.BDI.Z. 1986-06-01T04:01:49.00 10.0 negative manual PG 203 0.3663 -0.17 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