Earthquake with magnitude of Md 2.3 on date 02-07-1997 and time 20:19:40 (UTC) in region 8 km SW Cantiano (PU)

A magnitude Md 2.3 earthquake occured in region: 8 km SW Cantiano (PU), on

  • 02-07-1997 20:19:40 (UTC)
  • 02-07-1997 22:19:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4310, 12.5470 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
Cantiano PU 8 2245 2245
Gubbio PG 9 32216 34461
Pietralunga PG 9 2111 36572
Scheggia e Pascelupo PG 10 1393 37965
Cagli PU 15 8731 46696
Costacciaro PG 16 1216 47912
Apecchio PU 18 1882 49794
Piobbico PU 18 2029 51823
Frontone PU 18 1300 53123
Montone PG 19 1680 54803
Sigillo PG 19 2404 57207
Serra Sant'Abbondio PU 19 1027 58234

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NE of Perugia (166134 inhabitants)
54 Km E of Arezzo (99543 inhabitants)
54 Km N of Foligno (57155 inhabitants)
60 Km SW of Fano (60888 inhabitants)
61 Km SW of Pesaro (94582 inhabitants)
70 Km S of Rimini (147750 inhabitants)
81 Km W of Ancona (100861 inhabitants)
82 Km SE of Cesena (96758 inhabitants)
97 Km SE of Forlì (117913 inhabitants)
97 Km N of Terni (111501 inhabitants)
99 Km E of Siena (53903 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
ML-VAX 1.6
1997-07-02
20:19:40
43.431 12.547 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 272559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-07-02 20:19:40 ± 0.199
Latitude 43.4310 ± 0.0164
Longitude 12.5470 ± 0.0112
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 272559

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) 2041.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.00939
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 272559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:17:35

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 272559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1997-07-02T20:20:18.60 10.0 undecidable manual SG 174 1.0434 1.02 0
--.CSNT.Z. 1997-07-02T20:20:13.58 10.0 undecidable manual SG 273 0.9102 0.43 0.3
--.SFI.Z. 1997-07-02T20:20:05.42 10.0 undecidable manual SG 313 0.6882 -0.66 0.1
--.MNS.Z. 1997-07-02T20:20:01.63 10.0 undecidable manual PG 174 1.0434 -0.48 0.6
--.CSNT.Z. 1997-07-02T20:19:59.51 10.0 undecidable manual PG 273 0.9102 -0.05 1.4
--.SFI.Z. 1997-07-02T20:19:55.62 10.0 undecidable manual PG 313 0.6882 0.14 1.6
--.FB9.Z. 1997-07-02T20:19:53.69 10.0 undecidable manual SG 32 0.3108 0.65 0.2
--.ARV.Z. 1997-07-02T20:19:52.41 10.0 undecidable manual SG 76 0.2886 -0.1 0.7
--.ARV.Z. 1997-07-02T20:19:47.54 10.0 positive manual PG 76 0.2886 -0.1 3.4
--.FB9.Z. 1997-07-02T20:19:47.98 10.0 undecidable manual PG 32 0.3108 0.03 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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