Earthquake with magnitude of Md 2.1 on date 15-11-1997 and time 18:24:53 (Italy) in region 3 km NW Monte Cavallo (MC)

A magnitude Md 2.1 earthquake occured in region: 3 km NW Monte Cavallo (MC), on

  • 15-11-1997 17:24:53 (UTC)
  • 15-11-1997 18:24:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0170, 12.9760 at 20 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 3 145 145
Serravalle di Chienti MC 7 1070 1215
Pieve Torina MC 7 1458 2673
Muccia MC 9 915 3588
Fiordimonte MC 10 202 3790
Pievebovigliana MC 10 866 4656
Visso MC 13 1107 5763
Sefro MC 15 422 6185
Sellano PG 15 1079 7264
Fiastra MC 15 559 7823
Camerino MC 15 6974 14797
Ussita MC 16 444 15241
Preci PG 16 724 15965
Acquacanina MC 16 121 16086
Pioraco MC 18 1134 17220
Nocera Umbra PG 18 5839 23059
Valtopina PG 19 1398 24457
Fiuminata MC 20 1402 25859
Castelsantangelo sul Nera MC 20 281 26140

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
57 Km NE of Terni (111501 inhabitants)
72 Km NW of Teramo (54892 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
82 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
97 Km NE of Viterbo (67173 inhabitants)
100 Km S of Pesaro (94582 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 2.1 1997-11-15
17:24:53
43.017 12.976 20 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 312709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-11-15 17:24:53 ± 0.377
Latitude 43.0170 ± 0.0081
Longitude 12.9760 ± 0.0273
Depth (km) 20 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 312709

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) 2392.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00599
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 312709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:53:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1997-11-15T17:25:16.81 10.0 undecidable manual SG 199 0.666 -0.02 0.6
--.ARV.Z. 1997-11-15T17:25:11.68 10.0 undecidable manual SG 357 0.4773 0.69 0.2
--.MNS.Z. 1997-11-15T17:25:06.68 10.0 undecidable manual PG 199 0.666 -0.17 1.5
--.SNTG.Z. 1997-11-15T17:25:03.79 10.0 undecidable manual SG 353 0.2331 0.06 0.9
--.NRCA.Z. 1997-11-15T17:25:02.82 10.0 undecidable manual SG 151 0.2109 -0.11 0.9
--.ARV.Z. 1997-11-15T17:25:02.85 10.0 undecidable manual PG 357 0.4773 -0.63 0.7
--.ASS.Z. 1997-11-15T17:25:02.97 10.0 undecidable manual SG 281 0.2331 -0.79 0.2
--.ASS.Z. 1997-11-15T17:24:59.96 10.0 undecidable manual PG 281 0.2331 0.66 0.7
--.SNTG.Z. 1997-11-15T17:24:59.21 10.0 undecidable manual PG 353 0.2331 -0.07 2.2
--.NRCA.Z. 1997-11-15T17:24:58.93 10.0 undecidable manual PG 151 0.2109 0.11 2.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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