Earthquake with magnitude of Md 2.2 on date 07-10-1997 and time 11:03:14 (Italy) in region 5 km NE Nocera Umbra (PG)

A magnitude Md 2.2 earthquake occured in region: 5 km NE Nocera Umbra (PG), on

  • 07-10-1997 09:03:14 (UTC)
  • 07-10-1997 11:03:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1330, 12.8410 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
Nocera Umbra PG 5 5839 5839
Sefro MC 9 422 6261
Fiuminata MC 10 1402 7663
Valtopina PG 11 1398 9061
Serravalle di Chienti MC 11 1070 10131
Gualdo Tadino PG 12 15208 25339
Pioraco MC 13 1134 26473
Esanatoglia MC 16 2034 28507
Muccia MC 18 915 29422
Camerino MC 19 6974 36396
Fossato di Vico PG 19 2840 39236
Matelica MC 20 9981 49217
Assisi PG 20 28299 77516
Valfabbrica PG 20 3389 80905
Castelraimondo MC 20 4587 85492
Pieve Torina MC 20 1458 86950

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Foligno (57155 inhabitants)
37 Km E of Perugia (166134 inhabitants)
66 Km N of Terni (111501 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
80 Km S of Fano (60888 inhabitants)
86 Km E of Arezzo (99543 inhabitants)
87 Km S of Pesaro (94582 inhabitants)
88 Km NW of Teramo (54892 inhabitants)
98 Km NW of L'Aquila (69753 inhabitants)
100 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 2.2 1997-10-07
09:03:14
43.133 12.841 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 292239
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-07 09:03:14 ± 0.268
Latitude 43.1330 ± 0.0129
Longitude 12.8410 ± 0.0275
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 292239

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) 2650.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 177
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.00680
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 2
Type of magnitude Md
Reference to an origin 292239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:35:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FB9.Z. 1997-10-07T09:03:36.21 10.0 undecidable manual SG 355 0.555 0.91 0.1
--.MNS.Z. 1997-10-07T09:03:30.42 10.0 undecidable manual PG 188 0.7548 0.29 1.2
--.ARV.Z. 1997-10-07T09:03:29.23 10.0 undecidable manual SG 11 0.3663 0.32 0.6
--.FB9.Z. 1997-10-07T09:03:26.36 10.0 undecidable manual PG 355 0.555 -0.13 1.7
--.ARV.Z. 1997-10-07T09:03:22.13 10.0 undecidable manual PG 11 0.3663 -0.66 0.6
--.ASS.Z. 1997-10-07T09:03:20.67 10.0 undecidable manual SG 242 0.1554 0.02 0.8
--.ASS.Z. 1997-10-07T09:03:17.80 10.0 undecidable manual PG 242 0.1554 -0.23 1.8
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