Earthquake with magnitude of Md 3.3 on date 27-06-1986 and time 10:26:16 (Italy) in region 6 km S Pietralunga (PG)

A magnitude Md 3.3 earthquake occured in region: 6 km S Pietralunga (PG), on

  • 27-06-1986 08:26:16 (UTC)
  • 27-06-1986 10:26:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.39, 12.45 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 6 2111 2111
Montone PG 10 1680 3791
Gubbio PG 11 32216 36007
Umbertide PG 13 16681 52688
Cantiano PU 17 2245 54933
Scheggia e Pascelupo PG 18 1393 56326
CittĂ  di Castello PG 19 39913 96239
Apecchio PU 19 1882 98121

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km N of Perugia (166134 inhabitants)
46 Km E of Arezzo (99543 inhabitants)
52 Km NW of Foligno (57155 inhabitants)
69 Km SW of Fano (60888 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
75 Km S of Rimini (147750 inhabitants)
85 Km S of Cesena (96758 inhabitants)
90 Km W of Ancona (100861 inhabitants)
91 Km E of Siena (53903 inhabitants)
93 Km N of Terni (111501 inhabitants)
98 Km SE 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 3.3 1986-06-27
08:26:16
43.39 12.45 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 30289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-27 08:26:16 ± 0.234
Latitude 43.39 ± 0.02
Longitude 12.45 ± 0.03
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 30289

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) 2684.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00316
Epicentral distance of station farthest from the epicenter (degree) 0.03408
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

Md:3.3

Field Value
Value 3.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 30289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:31:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.STV.Z. 1986-06-27T08:27:13.50 10.0 undecidable manual PN 285 0.0341 -1.74 0.2
--.ROB.Z. 1986-06-27T08:27:09.40 10.0 undecidable manual PN 287 0.0308 -0.78 0.7
--.FO1.Z. 1986-06-27T08:27:09.00 10.0 undecidable manual PN 4 0.0289 1.7 0.2
--.RBL.Z. 1986-06-27T08:27:08.00 10.0 undecidable manual PN 14 0.0283 1.52 0.3
--.CKI.Z. 1986-06-27T08:27:07.00 10.0 undecidable manual PN 290 0.0285 0.21 1
--.FIN.Z. 1986-06-27T08:27:05.80 10.0 undecidable manual PN 286 0.0284 -0.87 0.7
--.BDI.Z. 1986-06-27T08:27:05.00 10.0 undecidable manual SN 297 0.0134 1.19 0.3
--.CTI.Z. 1986-06-27T08:27:01.50 10.0 undecidable manual PN 348 0.0244 0.98 0.7
--.TRI.Z. 1986-06-27T08:26:58.00 10.0 undecidable manual PN 21 0.0225 0.45 1.1
--.MNS.Z. 1986-06-27T08:26:53.00 10.0 undecidable manual SG 170 0.0091 1.08 0.5
--.BDI.Z. 1986-06-27T08:26:45.20 10.0 undecidable manual PN 297 0.0134 1.43 0.6
--.MAO.Z. 1986-06-27T08:26:42.00 10.0 undecidable manual PN 225 0.0121 0.15 1.5
--.AQU.Z. 1986-06-27T08:26:41.50 10.0 undecidable manual PN 145 0.0112 1.15 0.8
--.MNS.Z. 1986-06-27T08:26:36.50 10.0 undecidable manual PG 170 0.0091 -0.4 1.4
--.CRE.Z. 1986-06-27T08:26:32.50 10.0 undecidable manual SG 303 0.0038 -0.46 0.8
--.ASS.Z. 1986-06-27T08:26:31.00 10.0 undecidable manual SG 155 0.0032 0.7 0.7
--.ARV.Z. 1986-06-27T08:26:30.00 10.0 undecidable manual SG 73 0.0033 -0.97 0.4
--.SU9.Z. 1986-06-27T08:26:30.00 10.0 undecidable manual SG 156 0.0034 -1.17 0.5
--.CRE.Z. 1986-06-27T08:26:25.00 10.0 positive manual PG 303 0.0038 -0.95 2
--.SU9.Z. 1986-06-27T08:26:25.30 10.0 undecidable manual PG 156 0.0034 0.38 2.9
--.ASS.Z. 1986-06-27T08:26:24.30 10.0 positive manual PG 155 0.0032 -0.11 3.1
--.ARV.Z. 1986-06-27T08:26:23.50 10.0 positive manual PG 73 0.0033 -1.3 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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