Earthquake with magnitude of Md 2.0 on date 30-09-1997 and time 02:38:34 (Italy) in region 5 km N Sellano (PG)

A magnitude Md 2.0 earthquake occured in region: 5 km N Sellano (PG), on

  • 30-09-1997 00:38:34 (UTC)
  • 30-09-1997 02:38:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9320, 12.9140 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 5 1079 1079
Monte Cavallo MC 10 145 1224
Preci PG 12 724 1948
Cerreto di Spoleto PG 12 1075 3023
Visso MC 14 1107 4130
Trevi PG 15 8469 12599
Serravalle di Chienti MC 16 1070 13669
Campello sul Clitunno PG 17 2442 16111
Pieve Torina MC 17 1458 17569
Foligno PG 17 57155 74724
Ussita MC 18 444 75168
Vallo di Nera PG 19 364 75532
Fiordimonte MC 19 202 75734
Valtopina PG 19 1398 77132
Muccia MC 20 915 78047

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
47 Km E of Perugia (166134 inhabitants)
71 Km W of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
91 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 2.0 1997-09-30
00:38:34
42.932 12.914 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 285169
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-30 00:38:34 ± 0.338
Latitude 42.9320 ± 0.0124
Longitude 12.9140 ± 0.0355
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 285169

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) 3201.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.00688
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 285169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:28:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FB9.Z. 1997-09-30T00:39:02.81 10.0 undecidable manual SG 352 0.7659 0.43 0.6
--.MNS.Z. 1997-09-30T00:38:55.50 10.0 undecidable manual SG 197 0.5661 -0.65 0.5
--.ARV.Z. 1997-09-30T00:38:54.84 10.0 undecidable manual SG 2 0.5661 -1.14 0.2
--.FB9.Z. 1997-09-30T00:38:50.27 10.0 undecidable manual PG 352 0.7659 -0.49 1.4
--.ARV.Z. 1997-09-30T00:38:47.89 10.0 undecidable manual PG 2 0.5661 0.82 0.9
--.MNS.Z. 1997-09-30T00:38:47.50 10.0 undecidable manual PG 197 0.5661 0.33 1.9
--.ASS.Z. 1997-09-30T00:38:44.58 10.0 undecidable manual SG 304 0.222 0.6 0.6
--.ASS.Z. 1997-09-30T00:38:39.79 10.0 undecidable manual PG 304 0.222 -0.35 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