Earthquake with magnitude of Md 2.5 on date 06-10-1997 and time 16:19:32 (Italy) in region 6 km N Sellano (PG)

A magnitude Md 2.5 earthquake occured in region: 6 km N Sellano (PG), on

  • 06-10-1997 14:19:32 (UTC)
  • 06-10-1997 16:19:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9470, 12.9310 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
Sellano PG 6 1079 1079
Monte Cavallo MC 8 145 1224
Preci PG 12 724 1948
Visso MC 13 1107 3055
Cerreto di Spoleto PG 14 1075 4130
Serravalle di Chienti MC 14 1070 5200
Pieve Torina MC 15 1458 6658
Fiordimonte MC 16 202 6860
Trevi PG 17 8469 15329
Ussita MC 17 444 15773
Muccia MC 18 915 16688
Pievebovigliana MC 18 866 17554
Foligno PG 19 57155 74709
Campello sul Clitunno PG 19 2442 77151
Valtopina PG 19 1398 78549
Castelsantangelo sul Nera MC 19 281 78830

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Foligno (57155 inhabitants)
48 Km E of Perugia (166134 inhabitants)
49 Km NE of Terni (111501 inhabitants)
71 Km W of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
100 Km S of Fano (60888 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
ML-VAX 1.7
1997-10-06
14:19:32
42.947 12.931 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 290929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-06 14:19:32 ± 0.146
Latitude 42.9470 ± 0.0052
Longitude 12.9310 ± 0.0137
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 290929

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) 1256.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.00672
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 290929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:33:57

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 290929
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
--.FB9.Z. 1997-10-06T14:19:59.39 10.0 undecidable manual SG 351 0.7437 0.27 0.5
--.MNS.Z. 1997-10-06T14:19:53.57 10.0 undecidable manual SG 198 0.5883 -0.36 0.4
--.ARV.Z. 1997-10-06T14:19:52.53 10.0 undecidable manual SG 0 0.5439 -0.12 0.8
--.FB9.Z. 1997-10-06T14:19:48.00 10.0 undecidable manual PG 351 0.7437 0.31 1.1
--.MNS.Z. 1997-10-06T14:19:44.88 10.0 undecidable manual PG 198 0.5883 0.19 1.8
--.ARV.Z. 1997-10-06T14:19:43.53 10.0 undecidable manual PG 0 0.5439 -0.43 0.7
--.ASS.Z. 1997-10-06T14:19:41.00 10.0 undecidable manual SG 299 0.2331 -0.26 0.6
--.ASS.Z. 1997-10-06T14:19:37.50 10.0 undecidable manual PG 299 0.2331 0.12 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