Earthquake with magnitude of Md 2.2 on date 09-10-1997 and time 03:03:48 (Italy) in region 9 km W Monte Cavallo (MC)

A magnitude Md 2.2 earthquake occured in region: 9 km W Monte Cavallo (MC), on

  • 09-10-1997 01:03:48 (UTC)
  • 09-10-1997 03:03:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9840, 12.8960 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
Monte Cavallo MC 9 145 145
Sellano PG 11 1079 1224
Serravalle di Chienti MC 11 1070 2294
Valtopina PG 14 1398 3692
Pieve Torina MC 14 1458 5150
Foligno PG 16 57155 62305
Muccia MC 16 915 63220
Preci PG 17 724 63944
Nocera Umbra PG 17 5839 69783
Trevi PG 17 8469 78252
Visso MC 17 1107 79359
Fiordimonte MC 17 202 79561
Pievebovigliana MC 18 866 80427
Spello PG 18 8645 89072
Cerreto di Spoleto PG 18 1075 90147
Sefro MC 19 422 90569

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Foligno (57155 inhabitants)
43 Km E of Perugia (166134 inhabitants)
51 Km NE of Terni (111501 inhabitants)
75 Km W of Teramo (54892 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
96 Km S of Fano (60888 inhabitants)
98 Km SE of Arezzo (99543 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 2.2 1997-10-09
01:03:48
42.984 12.896 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 293999
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-09 01:03:48 ± 0.132
Latitude 42.9840 ± 0.0052
Longitude 12.8960 ± 0.0153
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 293999

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) 1367.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
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) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.00639
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 293999
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:36:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FB9.Z. 1997-10-09T01:04:14.19 10.0 undecidable manual SG 352 0.7104 0.11 0.7
--.MNS.Z. 1997-10-09T01:04:11.31 10.0 undecidable manual SG 194 0.6105 0.22 0.6
--.ARV.Z. 1997-10-09T01:04:08.60 10.0 undecidable manual SG 3 0.5106 0.32 0.5
--.FB9.Z. 1997-10-09T01:04:02.74 10.0 undecidable manual PG 352 0.7104 -0.45 0.6
--.MNS.Z. 1997-10-09T01:04:01.34 10.0 undecidable manual PG 194 0.6105 -0.13 1.9
--.ARV.Z. 1997-10-09T01:03:59.68 10.0 undecidable manual PG 3 0.5106 0.14 2.1
--.ASS.Z. 1997-10-09T01:03:55.62 10.0 undecidable manual SG 293 0.1887 -0.4 0.4
--.ASS.Z. 1997-10-09T01:03:53.10 10.0 undecidable manual PG 293 0.1887 0.33 1.2
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