Earthquake with magnitude of Md 2.6 on date 19-09-1997 and time 01:58:56 (UTC) in region 2 km SE Sigillo (PG)

A magnitude Md 2.6 earthquake occured in region: 2 km SE Sigillo (PG), on

  • 19-09-1997 01:58:56 (UTC)
  • 19-09-1997 03:58:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.315, 12.749 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
Sigillo PG 2 2404 2404
Fossato di Vico PG 3 2840 5244
Costacciaro PG 6 1216 6460
Gualdo Tadino PG 10 15208 21668
Scheggia e Pascelupo PG 12 1393 23061
Fabriano AN 13 31480 54541
Gubbio PG 14 32216 86757
Sassoferrato AN 16 7285 94042
Esanatoglia MC 18 2034 96076
Cerreto d'Esi AN 19 3817 99893
Serra Sant'Abbondio PU 20 1027 100920
Genga AN 20 1797 102717

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Perugia (166134 inhabitants)
40 Km N of Foligno (57155 inhabitants)
63 Km SW of Fano (60888 inhabitants)
68 Km S of Pesaro (94582 inhabitants)
71 Km W of Ancona (100861 inhabitants)
72 Km E of Arezzo (99543 inhabitants)
84 Km N of Terni (111501 inhabitants)
84 Km S of Rimini (147750 inhabitants)
100 Km SE of Cesena (96758 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 2.6
ML-VAX 1.6
1997-09-19
01:58:56
43.315 12.749 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 278089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-19 01:58:56 ± 0.154
Latitude 43.3150 ± 0.0078
Longitude 12.7490 ± 0.0181
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 278089

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) 1703.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.01603
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 278089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:22:41

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 7
Type of magnitude ML
Reference to an origin 278089
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 Takeoff_angle Residual Weight
--.AQU.Z. 1997-09-19T01:59:33.88 10.0 undecidable manual SG 153 0.0096 -0.31 0.5
--.MNS.Z. 1997-09-19T01:59:30.40 10.0 undecidable manual SG 183 0.0083 0.41 0.5
--.SDI.Z. 1997-09-19T01:59:27.90 10.0 undecidable manual PN 153 0.016 -0.31 1
--.SFI.Z. 1997-09-19T01:59:26.61 10.0 undecidable manual SG 312 0.0079 -1.32 0.1
--.PQ9.Z. 1997-09-19T01:59:23.51 10.0 undecidable manual PN 159 0.0124 0.89 0.4
--.CRE.Z. 1997-09-19T01:59:19.92 10.0 undecidable manual SG 298 0.0058 -0.81 0.3
--.CSNT.Z. 1997-09-19T01:59:18.89 10.0 undecidable manual PG 279 0.0096 0.54 1
--.AQU.Z. 1997-09-19T01:59:17.56 10.0 undecidable manual PG 153 0.0096 -0.85 0.6
--.SFI.Z. 1997-09-19T01:59:15.61 10.0 undecidable manual PG 312 0.0079 0.81 0.7
--.MNS.Z. 1997-09-19T01:59:14.81 10.0 undecidable manual PG 183 0.0083 -0.97 0.4
--.RSM.Z. 1997-09-19T01:59:10.82 10.0 undecidable manual PG 340 0.0058 0.26 1.7
--.FB9.Z. 1997-09-19T01:59:10.68 10.0 undecidable manual SG 3 0.0033 -0.81 0.3
--.CRE.Z. 1997-09-19T01:59:10.41 10.0 undecidable manual PG 298 0.0058 -0.23 1.7
--.ASS.Z. 1997-09-19T01:59:06.73 10.0 undecidable manual SG 195 0.0023 -0.39 0.6
--.FB9.Z. 1997-09-19T01:59:05.30 10.0 undecidable manual PG 3 0.0033 -0.28 1.6
--.ARV.Z. 1997-09-19T01:59:05.66 10.0 undecidable manual SG 37 0.002 -0.29 0.7
--.ASS.Z. 1997-09-19T01:59:03.19 10.0 positive manual PG 195 0.0023 0.41 2.9
--.ARV.Z. 1997-09-19T01:59:02.47 10.0 negative manual PG 37 0.002 0.36 3
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