Earthquake with magnitude of Md 2.0 on date 01-10-1997 and time 12:41:03 (Italy) in region 3 km E Nocera Umbra (PG)

A magnitude Md 2.0 earthquake occured in region: 3 km E Nocera Umbra (PG), on

  • 01-10-1997 10:41:03 (UTC)
  • 01-10-1997 12:41:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.11, 12.832 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 3 5839 5839
Valtopina PG 8 1398 7237
Sefro MC 10 422 7659
Serravalle di Chienti MC 11 1070 8729
Fiuminata MC 12 1402 10131
Gualdo Tadino PG 14 15208 25339
Pioraco MC 15 1134 26473
Muccia MC 18 915 27388
Assisi PG 18 28299 55687
Spello PG 18 8645 64332
Esanatoglia MC 18 2034 66366
Monte Cavallo MC 19 145 66511
Pieve Torina MC 19 1458 67969
Camerino MC 19 6974 74943
Valfabbrica PG 20 3389 78332
Foligno PG 20 57155 135487

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Foligno (57155 inhabitants)
36 Km E of Perugia (166134 inhabitants)
63 Km N of Terni (111501 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
83 Km S of Fano (60888 inhabitants)
87 Km E of Arezzo (99543 inhabitants)
87 Km NW of Teramo (54892 inhabitants)
89 Km S of Pesaro (94582 inhabitants)
96 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
ML-VAX 1.5
1997-10-01
10:41:03
43.11 12.832 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 286479
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-01 10:41:03 ± 0.126
Latitude 43.1100 ± 0.0056
Longitude 12.8320 ± 0.0126
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 286479

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) 1197.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.00656
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 286479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:30:00

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 286479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.FB9.Z. 1997-10-01T10:41:25.45 10.0 undecidable manual SG 356 0.0052 0.06 0.5
--.ARV.Z. 1997-10-01T10:41:19.41 10.0 undecidable manual SG 11 0.0036 0.47 0
--.MNS.Z. 1997-10-01T10:41:19.00 10.0 undecidable manual PG 188 0.0066 0.05 1.1
--.FB9.Z. 1997-10-01T10:41:16.10 10.0 undecidable manual PG 356 0.0052 -0.07 1.2
--.ARV.Z. 1997-10-01T10:41:12.30 10.0 positive manual PG 11 0.0036 -0.14 2.1
--.ASS.Z. 1997-10-01T10:41:08.98 10.0 undecidable manual SG 250 0.0012 -0.13 0.5
--.ASS.Z. 1997-10-01T10:41:06.83 10.0 undecidable manual PG 250 0.0012 0.06 1.5
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