Earthquake with magnitude of Md 2.5 on date 22-06-1986 and time 02:07:09 (Italy) in region 4 km N Zocca (MO)

A magnitude Md 2.5 earthquake occured in region: 4 km N Zocca (MO), on

  • 22-06-1986 00:07:09 (UTC)
  • 22-06-1986 02:07:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3850, 11.0060 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
Zocca MO 4 4719 4719
Guiglia MO 6 3931 8650
Marano sul Panaro MO 9 5060 13710
Vignola MO 11 25353 39063
Savignano sul Panaro MO 11 9177 48240
Castel d'Aiano BO 12 1906 50146
Montese MO 14 3353 53499
Vergato BO 14 7639 61138
Castelvetro di Modena MO 14 11185 72323
Pavullo nel Frignano MO 15 17383 89706
Valsamoggia BO 15 30561 120267
Marzabotto BO 17 6779 127046
Spilamberto MO 17 12621 139667
Monte San Pietro BO 18 10982 150649
Serramazzoni MO 18 8282 158931
Grizzana Morandi BO 18 3916 162847
Sasso Marconi BO 19 14735 177582
Castelnuovo Rangone MO 19 14896 192478
Maranello MO 19 17359 209837
San Cesario sul Panaro MO 20 6407 216244

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of Bologna (386663 inhabitants)
30 Km S of Modena (184973 inhabitants)
45 Km S of Carpi (70699 inhabitants)
46 Km SE of Reggio nell'Emilia (171345 inhabitants)
51 Km N of Pistoia (90315 inhabitants)
57 Km N of Prato (191150 inhabitants)
57 Km W of Imola (69797 inhabitants)
70 Km SW of Ferrara (133155 inhabitants)
71 Km W of Faenza (58541 inhabitants)
71 Km SE of Parma (192836 inhabitants)
71 Km N of Scandicci (50609 inhabitants)
71 Km N of Firenze (382808 inhabitants)
72 Km NE of Lucca (89046 inhabitants)
79 Km E of Massa (69479 inhabitants)
80 Km E of Carrara (63133 inhabitants)
83 Km NE of Viareggio (62467 inhabitants)
84 Km W of Forlì (117913 inhabitants)
89 Km NE of Pisa (89158 inhabitants)
95 Km W of Ravenna (159116 inhabitants)
98 Km SW of Rovigo (51867 inhabitants)
99 Km E of La Spezia (93959 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 1986-06-22
00:07:09
44.385 11.006 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 29909
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-22 00:07:09 ± 0.515
Latitude 44.3850 ± 0.0300
Longitude 11.0060 ± 0.0870
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 29909

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) 7678.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 207
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
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) 0.00389
Epicentral distance of station farthest from the epicenter (degree) 0.01546
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 29909
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:31:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1986-06-22T00:08:00.00 10.0 undecidable manual SN 14 1.7205 -0.8 0
--.SAL.Z. 1986-06-22T00:07:50.50 10.0 undecidable manual SN 344 1.2654 0.52 0.2
--.CTI.Z. 1986-06-22T00:07:39.50 10.0 undecidable manual PN 14 1.7205 0.45 0.6
--.SAL.Z. 1986-06-22T00:07:32.50 10.0 undecidable manual PN 344 1.2654 -0.31 1
--.BDI.Z. 1986-06-22T00:07:25.20 10.0 undecidable manual SG 222 0.4329 -0.02 1
--.BDI.Z. 1986-06-22T00:07:18.50 10.0 negative manual PG 222 0.4329 -0.01 3.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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