Earthquake with magnitude of Md 2.2 on date 06-11-1997 and time 21:36:14 (Italy) in region 1 km W Preci (PG)

A magnitude Md 2.2 earthquake occured in region: 1 km W Preci (PG), on

  • 06-11-1997 20:36:14 (UTC)
  • 06-11-1997 21:36:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8790, 13.0250 at 17 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
Preci PG 1 724 724
Visso MC 8 1107 1831
Sellano PG 8 1079 2910
Castelsantangelo sul Nera MC 11 281 3191
Cerreto di Spoleto PG 11 1075 4266
Norcia PG 11 4957 9223
Ussita MC 12 444 9667
Monte Cavallo MC 13 145 9812
Cascia PG 18 3217 13029
Vallo di Nera PG 18 364 13393
Fiordimonte MC 18 202 13595
Pieve Torina MC 19 1458 15053
Poggiodomo PG 20 117 15170

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
58 Km E of Perugia (166134 inhabitants)
61 Km W of Teramo (54892 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Ancona (100861 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 1997-11-06
20:36:14
42.879 13.025 17 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 310299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-11-06 20:36:14 ± 0.279
Latitude 42.8790 ± 0.0062
Longitude 13.0250 ± 0.0343
Depth (km) 17 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 310299

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) 2882.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00745
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 310299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:51:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FB9.Z. 1997-11-06T20:36:43.48 10.0 undecidable manual SG 347 0.8214 0.22 0.5
--.ARV.Z. 1997-11-06T20:36:36.24 10.0 undecidable manual SG 354 0.6216 -0.32 0.4
--.MNS.Z. 1997-11-06T20:36:34.18 10.0 undecidable manual SG 207 0.5439 -0.21 0.6
--.FB9.Z. 1997-11-06T20:36:30.96 10.0 undecidable manual PG 347 0.8214 -0.15 1.3
--.SNTG.Z. 1997-11-06T20:36:29.10 10.0 undecidable manual SG 350 0.3774 0.16 0.7
--.ARV.Z. 1997-11-06T20:36:27.19 10.0 undecidable manual PG 354 0.6216 -0.05 1.7
--.MNS.Z. 1997-11-06T20:36:26.30 10.0 undecidable manual PG 207 0.5439 0.04 1.9
--.ASS.Z. 1997-11-06T20:36:26.56 10.0 undecidable manual SG 304 0.3219 -0.74 0
--.ASS.Z. 1997-11-06T20:36:22.51 10.0 undecidable manual PG 304 0.3219 0.61 0.3
--.SNTG.Z. 1997-11-06T20:36:22.88 10.0 undecidable manual PG 350 0.3774 0.04 2.1
--.NRCA.Z. 1997-11-06T20:36:21.00 10.0 undecidable manual SG 125 0.0666 0.23 0.7
--.NRCA.Z. 1997-11-06T20:36:18.00 10.0 undecidable manual PG 125 0.0666 -0.13 1.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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