Earthquake with magnitude of Md 2.3 on date 06-10-1997 and time 14:27:45 (Italy) in region 2 km E Sellano (PG)

A magnitude Md 2.3 earthquake occured in region: 2 km E Sellano (PG), on

  • 06-10-1997 12:27:45 (UTC)
  • 06-10-1997 14:27:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8980, 12.9490 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 2 1079 1079
Preci PG 8 724 1803
Cerreto di Spoleto PG 9 1075 2878
Monte Cavallo MC 12 145 3023
Visso MC 12 1107 4130
Vallo di Nera PG 16 364 4494
Campello sul Clitunno PG 16 2442 6936
Ussita MC 16 444 7380
Trevi PG 17 8469 15849
Norcia PG 17 4957 20806
Castelsantangelo sul Nera MC 17 281 21087
Pieve Torina MC 18 1458 22545
Fiordimonte MC 19 202 22747
Serravalle di Chienti MC 19 1070 23817

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
51 Km E of Perugia (166134 inhabitants)
67 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
92 Km SW of Ancona (100861 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 1.7
1997-10-06
12:27:45
42.898 12.949 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 290869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-06 12:27:45 ± 0.211
Latitude 42.8980 ± 0.0068
Longitude 12.9490 ± 0.0214
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 290869

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) 1902.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 201
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) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.00720
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 290869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:33:54

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 290869
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. 1997-10-06T12:28:14.77 10.0 undecidable manual SG 350 0.7992 0.2 0.6
--.ARV.Z. 1997-10-06T12:28:07.28 10.0 undecidable manual SG 359 0.5883 -0.78 0.1
--.MNS.Z. 1997-10-06T12:28:06.57 10.0 undecidable manual SG 200 0.5439 0.15 0.8
--.FB9.Z. 1997-10-06T12:28:02.25 10.0 undecidable manual PG 350 0.7992 -0.21 1.4
--.ARV.Z. 1997-10-06T12:27:59.26 10.0 undecidable manual PG 359 0.5883 0.56 0.6
--.MNS.Z. 1997-10-06T12:27:57.61 10.0 undecidable manual PG 200 0.5439 -0.14 1.9
--.ASS.Z. 1997-10-06T12:27:56.73 10.0 undecidable manual SG 307 0.2664 0.2 0.7
--.ASS.Z. 1997-10-06T12:27:51.92 10.0 undecidable manual PG 307 0.2664 -0.12 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download