Earthquake with magnitude of Md 2.0 on date 29-09-1997 and time 06:30:32 (Italy) in region 1 km W Monte Cavallo (MC)

A magnitude Md 2.0 earthquake occured in region: 1 km W Monte Cavallo (MC), on

  • 29-09-1997 04:30:32 (UTC)
  • 29-09-1997 06:30:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9960, 12.9870 at 10 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 1 145 145
Pieve Torina MC 8 1458 1603
Serravalle di Chienti MC 9 1070 2673
Fiordimonte MC 10 202 2875
Muccia MC 11 915 3790
Pievebovigliana MC 11 866 4656
Visso MC 11 1107 5763
Sellano PG 13 1079 6842
Ussita MC 14 444 7286
Preci PG 14 724 8010
Fiastra MC 15 559 8569
Acquacanina MC 16 121 8690
Camerino MC 17 6974 15664
Sefro MC 17 422 16086
Castelsantangelo sul Nera MC 18 281 16367
Bolognola MC 20 142 16509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
56 Km NE of Terni (111501 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
94 Km S of Fano (60888 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 1.8
1997-09-29
04:30:32
42.996 12.987 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 284279
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-29 04:30:32 ± 0.421
Latitude 42.9960 ± 0.0144
Longitude 12.9870 ± 0.0448
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 284279

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) 3982.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 203
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.00874
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 284279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:28:05

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 284279
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(km) Takeoff_angle Residual Weight
--.CRE.Z. 1997-09-29T04:31:05.66 10.0 undecidable manual SG 309 0.9657 0.09 0.7
--.FB9.Z. 1997-09-29T04:30:58.56 10.0 undecidable manual SG 347 0.7104 1.52 0.1
--.MNS.Z. 1997-09-29T04:30:55.55 10.0 undecidable manual SG 200 0.6438 0.47 0.7
--.CRE.Z. 1997-09-29T04:30:52.88 10.0 undecidable manual PG 309 0.9657 1.39 0.4
--.ARV.Z. 1997-09-29T04:30:50.13 10.0 undecidable manual SG 356 0.4995 -0.21 0.8
--.MNS.Z. 1997-09-29T04:30:45.44 10.0 undecidable manual PG 200 0.6438 0 2.1
--.FB9.Z. 1997-09-29T04:30:45.98 10.0 undecidable manual PG 347 0.7104 -0.59 1.5
--.ARV.Z. 1997-09-29T04:30:42.90 10.0 undecidable manual PG 356 0.4995 -0.61 1.6
--.ASS.Z. 1997-09-29T04:30:41.14 10.0 undecidable manual SG 285 0.2553 -1.17 0.3
--.ASS.Z. 1997-09-29T04:30:37.54 10.0 undecidable manual PG 285 0.2553 -0.52 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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