Earthquake with magnitude of Md 2.0 on date 08-10-1997 and time 21:07:00 (Italy) in region 11 km W Monte Cavallo (MC)

A magnitude Md 2.0 earthquake occured in region: 11 km W Monte Cavallo (MC), on

  • 08-10-1997 19:07:00 (UTC)
  • 08-10-1997 21:07:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9860, 12.8680 at 6 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
Monte Cavallo MC 11 145 145
Sellano PG 12 1079 1224
Serravalle di Chienti MC 12 1070 2294
Valtopina PG 12 1398 3692
Foligno PG 14 57155 60847
Nocera Umbra PG 15 5839 66686
Trevi PG 15 8469 75155
Spello PG 16 8645 83800
Pieve Torina MC 16 1458 85258
Muccia MC 18 915 86173
Preci PG 18 724 86897
Cerreto di Spoleto PG 19 1075 87972
Visso MC 19 1107 89079
Fiordimonte MC 19 202 89281
Sefro MC 19 422 89703
Pievebovigliana MC 20 866 90569
Campello sul Clitunno PG 20 2442 93011

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Foligno (57155 inhabitants)
41 Km E of Perugia (166134 inhabitants)
51 Km NE of Terni (111501 inhabitants)
77 Km W of Teramo (54892 inhabitants)
83 Km NW of L'Aquila (69753 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
89 Km NE of Viterbo (67173 inhabitants)
96 Km SE of Arezzo (99543 inhabitants)
96 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 2.0 1997-10-08
19:07:00
42.986 12.868 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 293669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-08 19:07:00 ± 0.63
Latitude 42.9860 ± 0.0091
Longitude 12.8680 ± 0.0526
Depth (km) 6 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 293669

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) 4396.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 186
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00631
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 2
Type of magnitude Md
Reference to an origin 293669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:36:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FB9.Z. 1997-10-08T19:07:25.79 10.0 undecidable manual SG 354 0.6993 0.15 0.3
--.MNS.Z. 1997-10-08T19:07:22.77 10.0 undecidable manual SG 192 0.6105 0.13 0.7
--.ARV.Z. 1997-10-08T19:07:19.60 10.0 undecidable manual SG 5 0.5106 0.16 0.5
--.FB9.Z. 1997-10-08T19:07:15.20 10.0 undecidable manual PG 354 0.6993 0.13 1.6
--.MNS.Z. 1997-10-08T19:07:13.90 10.0 undecidable manual PG 192 0.6105 -0.08 1.9
--.ARV.Z. 1997-10-08T19:07:10.20 10.0 undecidable manual PG 5 0.5106 -1.12 0.3
--.ASS.Z. 1997-10-08T19:07:06.89 10.0 undecidable manual SG 295 0.1665 -0.43 0.7
--.ASS.Z. 1997-10-08T19:07:04.54 10.0 undecidable manual PG 295 0.1665 0.22 2.2
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