Earthquake with magnitude of Md 2.4 on date 13-10-1997 and time 22:41:01 (Italy) in region 9 km NW Sellano (PG)

A magnitude Md 2.4 earthquake occured in region: 9 km NW Sellano (PG), on

  • 13-10-1997 20:41:01 (UTC)
  • 13-10-1997 22:41:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9520, 12.8530 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 9 1079 1079
Trevi PG 12 8469 9548
Foligno PG 12 57155 66703
Monte Cavallo MC 13 145 66848
Valtopina PG 14 1398 68246
Spello PG 15 8645 76891
Cerreto di Spoleto PG 16 1075 77966
Serravalle di Chienti MC 16 1070 79036
Campello sul Clitunno PG 16 2442 81478
Preci PG 17 724 82202
Montefalco PG 17 5679 87881
Nocera Umbra PG 19 5839 93720
Pieve Torina MC 19 1458 95178
Visso MC 19 1107 96285
Bevagna PG 20 5081 101366

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km E of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
47 Km NE of Terni (111501 inhabitants)
77 Km W of Teramo (54892 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
85 Km NE of Viterbo (67173 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
97 Km SE of Arezzo (99543 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 2.4
ML-VAX 1.6
1997-10-13
20:41:01
42.952 12.853 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 298169
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-13 20:41:01 ± 0.295
Latitude 42.9520 ± 0.0120
Longitude 12.8530 ± 0.0362
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 298169

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) 3231.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.00664
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 298169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:40:20

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 298169
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. 1997-10-13T20:41:23.19 10.0 undecidable manual SG 192 0.5772 0.45 0.7
--.ARV.Z. 1997-10-13T20:41:21.50 10.0 undecidable manual SG 6 0.5439 -0.71 0.5
--.FB9.Z. 1997-10-13T20:41:16.17 10.0 undecidable manual PG 355 0.7326 -0.45 1.4
--.MNS.Z. 1997-10-13T20:41:13.16 10.0 undecidable manual PG 192 0.5772 -0.48 1.6
--.ARV.Z. 1997-10-13T20:41:13.78 10.0 undecidable manual PG 6 0.5439 0.7 1.1
--.ASS.Z. 1997-10-13T20:41:07.69 10.0 undecidable manual SG 306 0.1776 -0.8 0.4
--.ASS.Z. 1997-10-13T20:41:06.80 10.0 undecidable manual PG 306 0.1776 0.66 1.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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