Earthquake with magnitude of Md 2.0 on date 03-11-1997 and time 00:43:00 (Italy) in region 2 km SW Sellano (PG)

A magnitude Md 2.0 earthquake occured in region: 2 km SW Sellano (PG), on

  • 02-11-1997 23:43:00 (UTC)
  • 03-11-1997 00:43:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8740, 12.9200 at 10 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
Cerreto di Spoleto PG 6 1075 2154
Preci PG 10 724 2878
Vallo di Nera PG 12 364 3242
Campello sul Clitunno PG 13 2442 5684
Trevi PG 14 8469 14153
Monte Cavallo MC 15 145 14298
Visso MC 15 1107 15405
Norcia PG 17 4957 20362
Sant'Anatolia di Narco PG 17 564 20926
Poggiodomo PG 18 117 21043
Cascia PG 19 3217 24260
Castelsantangelo sul Nera MC 19 281 24541
Scheggino PG 19 461 25002
Ussita MC 20 444 25446
Foligno PG 20 57155 82601

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
50 Km SE of Perugia (166134 inhabitants)
68 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
98 Km N of Guidonia Montecelio (88673 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 1997-11-02
23:43:00
42.874 12.92 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 309269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-11-02 23:43:00 ± 0.193
Latitude 42.8740 ± 0.0129
Longitude 12.9200 ± 0.0169
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 309269

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) 1988.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
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) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00461
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 309269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:50:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1997-11-02T23:43:17.96 10.0 undecidable manual SG 199 0.5106 -0.97 0
--.SNTG.Z. 1997-11-02T23:43:14.45 10.0 undecidable manual SG 2 0.3774 -0.05 0.5
--.MNS.Z. 1997-11-02T23:43:11.49 10.0 undecidable manual PG 199 0.5106 0.41 0.4
--.ASS.Z. 1997-11-02T23:43:11.24 10.0 undecidable manual SG 314 0.2664 0.25 0.4
--.SNTG.Z. 1997-11-02T23:43:08.34 10.0 negative manual PG 2 0.3774 -0.18 2.2
--.ASS.Z. 1997-11-02T23:43:06.58 10.0 undecidable manual PG 314 0.2664 0.08 1.4
--.NRCA.Z. 1997-11-02T23:43:06.85 10.0 undecidable manual SG 105 0.1443 -0.14 0.5
--.NRCA.Z. 1997-11-02T23:43:04.29 10.0 negative manual PG 105 0.1443 0.1 2.6
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