Earthquake with magnitude of Md 2.0 on date 01-10-1997 and time 04:44:49 (Italy) in region 5 km E Nocera Umbra (PG)

A magnitude Md 2.0 earthquake occured in region: 5 km E Nocera Umbra (PG), on

  • 01-10-1997 02:44:49 (UTC)
  • 01-10-1997 04:44:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0970, 12.8500 at 4 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
Nocera Umbra PG 5 5839 5839
Valtopina PG 9 1398 7237
Serravalle di Chienti MC 9 1070 8307
Sefro MC 10 422 8729
Fiuminata MC 12 1402 10131
Pioraco MC 14 1134 11265
Muccia MC 16 915 12180
Gualdo Tadino PG 16 15208 27388
Monte Cavallo MC 17 145 27533
Pieve Torina MC 17 1458 28991
Camerino MC 18 6974 35965
Spello PG 19 8645 44610
Esanatoglia MC 19 2034 46644
Assisi PG 19 28299 74943
Pievebovigliana MC 20 866 75809
Foligno PG 20 57155 132964

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Foligno (57155 inhabitants)
37 Km E of Perugia (166134 inhabitants)
62 Km N of Terni (111501 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
84 Km S of Fano (60888 inhabitants)
85 Km NW of Teramo (54892 inhabitants)
88 Km E of Arezzo (99543 inhabitants)
91 Km S of Pesaro (94582 inhabitants)
94 Km NW of L'Aquila (69753 inhabitants)
97 Km NE of Viterbo (67173 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 1997-10-01
02:44:49
43.097 12.85 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 286129
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-01 02:44:49 ± 0.151
Latitude 43.0970 ± 0.0061
Longitude 12.8500 ± 0.0145
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 286129

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) 1362.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00648
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 286129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:29:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FB9.Z. 1997-10-01T02:45:11.65 10.0 undecidable manual SG 354 0.5883 -0.33 0.2
--.ARV.Z. 1997-10-01T02:45:05.61 10.0 undecidable manual SG 9 0.3996 0.16 0.7
--.MNS.Z. 1997-10-01T02:45:04.84 10.0 undecidable manual PG 189 0.7215 -0.06 1.7
--.FB9.Z. 1997-10-01T02:45:02.84 10.0 undecidable manual PG 354 0.5883 0.27 0.8
--.ARV.Z. 1997-10-01T02:44:58.60 10.0 undecidable manual PG 9 0.3996 -0.2 1.4
--.ASS.Z. 1997-10-01T02:44:55.33 10.0 undecidable manual SG 256 0.1443 -0.25 0.5
--.ASS.Z. 1997-10-01T02:44:53.26 10.0 undecidable manual PG 256 0.1443 0.16 1.7
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