Earthquake with magnitude of Md 2.4 on date 04-06-1986 and time 19:34:33 (UTC) in region 2 km NW Pavullo nel Frignano (MO)

A magnitude Md 2.4 earthquake occured in region: 2 km NW Pavullo nel Frignano (MO), on

  • 04-06-1986 19:34:33 (UTC)
  • 04-06-1986 21:34:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3520, 10.8110 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
Pavullo nel Frignano MO 2 17383 17383
Polinago MO 7 1672 19055
Lama Mocogno MO 8 2734 21789
Serramazzoni MO 8 8282 30071
Palagano MO 13 2194 32265
Montecreto MO 13 940 33205
Prignano sulla Secchia MO 13 3747 36952
Sestola MO 14 2508 39460
Montese MO 14 3353 42813
Guiglia MO 15 3931 46744
Montefiorino MO 15 2203 48947
Zocca MO 15 4719 53666
Fanano MO 16 2989 56655
Marano sul Panaro MO 17 5060 61715
Castel d'Aiano BO 17 1906 63621
Riolunato MO 18 712 64333
Castellarano RE 19 15232 79565
Gaggio Montano BO 20 4878 84443
Frassinoro MO 20 1926 86369
Maranello MO 20 17359 103728
Castelvetro di Modena MO 20 11185 114913

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km S of Modena (184973 inhabitants)
41 Km SE of Reggio nell'Emilia (171345 inhabitants)
45 Km W of Bologna (386663 inhabitants)
47 Km N of Pistoia (90315 inhabitants)
48 Km S of Carpi (70699 inhabitants)
57 Km NW of Prato (191150 inhabitants)
62 Km NE of Lucca (89046 inhabitants)
63 Km SE of Parma (192836 inhabitants)
64 Km NE of Massa (69479 inhabitants)
65 Km E of Carrara (63133 inhabitants)
70 Km NE of Viareggio (62467 inhabitants)
72 Km W of Imola (69797 inhabitants)
72 Km NW of Scandicci (50609 inhabitants)
74 Km NW of Firenze (382808 inhabitants)
78 Km NE of Pisa (89158 inhabitants)
83 Km E of La Spezia (93959 inhabitants)
84 Km SW of Ferrara (133155 inhabitants)
86 Km W of Faenza (58541 inhabitants)
98 Km NE of Livorno (159219 inhabitants)
99 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 2.4 1986-06-04
19:34:33
44.352 10.811 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 28669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-04 19:34:33 ± 0.86
Latitude 44.3520 ± 0.0184
Longitude 10.8110 ± 0.0351
Depth (km) 10 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 28669

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) 3458.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.01878
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 28669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:30:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MDI.Z. 1986-06-04T19:35:22.00 10.0 undecidable manual SN 331 1.6206 -0.73 0.5
--.CRE.Z. 1986-06-04T19:35:11.00 10.0 undecidable manual SN 131 1.0989 0.73 0.6
--.VAI.Z. 1986-06-04T19:35:10.00 10.0 undecidable manual PN 317 2.0868 1.63 0.3
--.CO9.Z. 1986-06-04T19:35:09.50 10.0 undecidable manual SN 293 1.0545 0.25 0.8
--.VEA.Z. 1986-06-04T19:35:08.60 10.0 undecidable manual SG 302 0.999 0.81 0.6
--.MDI.Z. 1986-06-04T19:35:03.00 10.0 undecidable manual PN 331 1.6206 1.04 0.9
--.CTI.Z. 1986-06-04T19:35:03.00 10.0 undecidable manual PN 18 1.7871 -1.34 0.6
--.SAL.Z. 1986-06-04T19:34:56.00 10.0 undecidable manual PN 350 1.2654 -1.14 0.9
--.CRE.Z. 1986-06-04T19:34:55.50 10.0 undecidable manual PN 131 1.0989 0.73 1.5
--.PS9.Z. 1986-06-04T19:34:55.50 10.0 undecidable manual SG 198 0.6549 -1.34 0.3
--.CO9.Z. 1986-06-04T19:34:54.00 10.0 undecidable manual PN 293 1.0545 -0.18 2
--.VEA.Z. 1986-06-04T19:34:52.70 10.0 undecidable manual PG 302 0.999 -0.63 1.6
--.PS9.Z. 1986-06-04T19:34:47.00 10.0 undecidable manual PG 198 0.6549 -0.01 2.1
--.BDI.Z. 1986-06-04T19:34:45.00 10.0 undecidable manual SG 207 0.3219 -1.06 0.4
--.BDI.Z. 1986-06-04T19:34:41.20 10.0 undecidable manual PG 207 0.3219 0.41 1.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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