Earthquake with magnitude of Md 3.2 on date 02-08-1986 and time 14:03:04 (Italy) in region 5 km E Pietralunga (PG)

A magnitude Md 3.2 earthquake occured in region: 5 km E Pietralunga (PG), on

  • 02-08-1986 12:03:04 (UTC)
  • 02-08-1986 14:03:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.423, 12.487 at 5 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
Pietralunga PG 5 2111 2111
Gubbio PG 11 32216 34327
Cantiano PU 13 2245 36572
Montone PG 14 1680 38252
Scheggia e Pascelupo PG 15 1393 39645
Apecchio PU 16 1882 41527
Umbertide PG 18 16681 58208
Piobbico PU 19 2029 60237
Cagli PU 19 8731 68968
Costacciaro PG 20 1216 70184

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km N of Perugia (166134 inhabitants)
49 Km E of Arezzo (99543 inhabitants)
55 Km NW of Foligno (57155 inhabitants)
64 Km SW of Fano (60888 inhabitants)
64 Km SW of Pesaro (94582 inhabitants)
71 Km S of Rimini (147750 inhabitants)
82 Km S of Cesena (96758 inhabitants)
86 Km W of Ancona (100861 inhabitants)
94 Km E of Siena (53903 inhabitants)
96 Km SE of Forlì (117913 inhabitants)
97 Km N of Terni (111501 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 3.2 1986-08-02
12:03:04
43.423 12.487 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 31899
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-08-02 12:03:04 ± 0.248
Latitude 43.4230 ± 0.0168
Longitude 12.4870 ± 0.0203
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 31899

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) 2482.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.003
Epicentral distance of station farthest from the epicenter (degree) 0.02801
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

Md:3.2

Field Value
Value 3.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 31899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:32:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.RBL.Z. 1986-08-02T12:03:54.00 10.0 undecidable manual PN 14 0.028 0.13 1.1
--.VOY.Z. 1986-08-02T12:03:49.40 10.0 undecidable manual PN 20 0.0251 -0.08 1.2
--.CTI.Z. 1986-08-02T12:03:49.00 10.0 undecidable manual PN 347 0.0242 0.92 0.7
--.CO9.Z. 1986-08-02T12:03:47.00 10.0 undecidable manual PN 303 0.023 0.68 0.8
--.CEY.Z. 1986-08-02T12:03:47.80 10.0 undecidable manual PN? 30 0.0242 -0.35 0.4
--.TRI.Z. 1986-08-02T12:03:44.00 10.0 undecidable manual PN 21 0.0221 -0.91 0.8
--.FIR.N. 1986-08-02T12:03:38.00 10.0 undecidable manual SG 292 0.0086 0.06 0.6
--.PS9.Z. 1986-08-02T12:03:31.00 10.0 undecidable manual PN 282 0.013 -0.09 1.7
--.PRO.E. 1986-08-02T12:03:26.60 10.0 undecidable manual SG 30 0.0051 1.02 0.5
--.FIR.Z. 1986-08-02T12:03:25.00 10.0 undecidable manual PG 292 0.0086 1.27 0.5
--.ASS.Z. 1986-08-02T12:03:20.00 10.0 undecidable manual SG 161 0.0034 0.96 0.7
--.PRO.Z. 1986-08-02T12:03:18.30 10.0 undecidable manual PG 30 0.0051 1.7 0.5
--.ARV.Z. 1986-08-02T12:03:17.00 10.0 undecidable manual SG 77 0.003 -0.54 0.6
--.ASS.Z. 1986-08-02T12:03:12.50 10.0 undecidable manual PG 161 0.0034 -0.32 1.6
--.CRE.Z. 1986-08-02T12:03:12.00 10.0 negative manual PG 297 0.0039 -2.04 0.8
--.ARV.Z. 1986-08-02T12:03:11.80 10.0 negative manual PG 77 0.003 -0.15 3.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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