Earthquake with magnitude of Md 2.3 on date 07-02-1995 and time 23:18:08 (UTC) in region 5 km SW Pietralunga (PG)

A magnitude Md 2.3 earthquake occured in region: 5 km SW Pietralunga (PG), on

  • 07-02-1995 23:18:08 (UTC)
  • 08-02-1995 00:18:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4030, 12.4010 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
Montone PG 7 1680 3791
Umbertide PG 12 16681 20472
CittĂ  di Castello PG 14 39913 60385
Gubbio PG 15 32216 92601
Apecchio PU 17 1882 94483
Monte Santa Maria Tiberina PG 20 1183 95666

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Perugia (166134 inhabitants)
42 Km E of Arezzo (99543 inhabitants)
55 Km NW of Foligno (57155 inhabitants)
70 Km SW of Pesaro (94582 inhabitants)
70 Km SW of Fano (60888 inhabitants)
75 Km S of Rimini (147750 inhabitants)
83 Km S of Cesena (96758 inhabitants)
87 Km E of Siena (53903 inhabitants)
93 Km W of Ancona (100861 inhabitants)
96 Km SE of Forlì (117913 inhabitants)
96 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 2.3 1995-02-07
23:18:08
43.403 12.401 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 222989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1995-02-07 23:18:08 ± 0.249
Latitude 43.4030 ± 0.0199
Longitude 12.4010 ± 0.0369
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 222989

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) 3713.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00340
Epicentral distance of station farthest from the epicenter (degree) 0.00931
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 222989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:30:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1995-02-07T23:18:43.00 10.0 undecidable manual SG 168 1.0323 -1.27 0.1
--.SFI.Z. 1995-02-07T23:18:30.57 10.0 undecidable manual SG 321 0.6327 -0.97 0.3
--.MNS.Z. 1995-02-07T23:18:29.78 10.0 undecidable manual PG 168 1.0323 0.8 0.7
--.RSM.Z. 1995-02-07T23:18:29.00 10.0 undecidable manual SG 4 0.5217 1.12 0.2
--.ASS.Z. 1995-02-07T23:18:23.13 10.0 undecidable manual SG 151 0.3774 0.08 0.8
--.CRE.Z. 1995-02-07T23:18:23.59 10.0 undecidable manual SG 303 0.3885 0.32 0.8
--.SFI.Z. 1995-02-07T23:18:21.97 10.0 undecidable manual PG 321 0.6327 0.34 1.8
--.RSM.Z. 1995-02-07T23:18:18.78 10.0 undecidable manual PG 4 0.5217 -0.73 1.1
--.ASS.Z. 1995-02-07T23:18:16.63 10.0 undecidable manual PG 151 0.3774 -0.1 2.1
--.CRE.Z. 1995-02-07T23:18:16.81 10.0 undecidable manual PG 303 0.3885 -0.05 2.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download