Earthquake with magnitude of Md 2.5 on date 22-06-1986 and time 13:59:18 (Italy) in region 5 km W Prignano sulla Secchia (MO)

A magnitude Md 2.5 earthquake occured in region: 5 km W Prignano sulla Secchia (MO), on

  • 22-06-1986 11:59:18 (UTC)
  • 22-06-1986 13:59:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4190, 10.6280 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
Prignano sulla Secchia MO 5 3747 3747
Montefiorino MO 7 2203 5950
Toano RE 7 4463 10413
Baiso RE 9 3315 13728
Carpineti RE 10 4064 17792
Palagano MO 11 2194 19986
Polinago MO 11 1672 21658
Serramazzoni MO 13 8282 29940
Castellarano RE 13 15232 45172
Villa Minozzo RE 14 3750 48922
Frassinoro MO 14 1926 50848
Viano RE 15 3374 54222
Casina RE 15 4504 58726
Lama Mocogno MO 15 2734 61460
Castelnovo ne' Monti RE 18 10465 71925
Sassuolo MO 18 40853 112778
Pavullo nel Frignano MO 19 17383 130161
Fiorano Modenese MO 20 17160 147321

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km S of Reggio nell'Emilia (171345 inhabitants)
35 Km SW of Modena (184973 inhabitants)
45 Km SW of Carpi (70699 inhabitants)
49 Km SE of Parma (192836 inhabitants)
57 Km NE of Carrara (63133 inhabitants)
57 Km NE of Massa (69479 inhabitants)
57 Km W of Bologna (386663 inhabitants)
59 Km NW of Pistoia (90315 inhabitants)
65 Km N of Lucca (89046 inhabitants)
68 Km NE of Viareggio (62467 inhabitants)
71 Km NW of Prato (191150 inhabitants)
72 Km E of La Spezia (93959 inhabitants)
80 Km N of Pisa (89158 inhabitants)
86 Km NW of Scandicci (50609 inhabitants)
87 Km W of Imola (69797 inhabitants)
88 Km NW of Firenze (382808 inhabitants)
91 Km SW of Ferrara (133155 inhabitants)
93 Km SE of Cremona (71901 inhabitants)
100 Km N of Livorno (159219 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
11:59:18
44.419 10.628 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 30009
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-22 11:59:18 ± 0.815
Latitude 44.4190 ± 0.0387
Longitude 10.6280 ± 0.0601
Depth (km) 10 ± 10 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 30009

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) 6424.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00316
Epicentral distance of station farthest from the epicenter (degree) 0.01773
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 30009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:31:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ROB.Z. 1986-06-22T12:00:15.50 10.0 undecidable manual SN 267 1.9647 0.07 0.7
--.FIN.Z. 1986-06-22T12:00:09.50 10.0 undecidable manual SN 263 1.7316 -0.48 0.5
--.ROB.Z. 1986-06-22T11:59:51.80 10.0 undecidable manual PN 267 1.9647 0.58 1
--.CTI.Z. 1986-06-22T11:59:48.60 10.0 undecidable manual PN 23 1.7649 0.01 1.9
--.FIN.Z. 1986-06-22T11:59:47.90 10.0 undecidable manual PN 263 1.7316 -0.18 1.7
--.BDI.Z. 1986-06-22T11:59:32.00 10.0 undecidable manual SG 183 0.3552 0.46 0.6
--.BDI.Z. 1986-06-22T11:59:25.00 10.0 undecidable manual PG 183 0.3552 -0.89 0.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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