Earthquake with magnitude of Md 3.3 on date 12-10-1997 and time 11:48:30 (Italy) in region 3 km NW Monte Cavallo (MC)

A magnitude Md 3.3 earthquake occured in region: 3 km NW Monte Cavallo (MC), on

  • 12-10-1997 09:48:30 (UTC)
  • 12-10-1997 11:48:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.02, 12.98 at 2 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
Pieve Torina MC 6 1458 1603
Serravalle di Chienti MC 6 1070 2673
Muccia MC 8 915 3588
Fiordimonte MC 9 202 3790
Pievebovigliana MC 9 866 4656
Visso MC 13 1107 5763
Fiastra MC 14 559 6322
Sefro MC 14 422 6744
Camerino MC 14 6974 13718
Ussita MC 15 444 14162
Sellano PG 15 1079 15241
Acquacanina MC 16 121 15362
Preci PG 16 724 16086
Pioraco MC 18 1134 17220
Nocera Umbra PG 19 5839 23059
Valtopina PG 19 1398 24457
Fiuminata MC 19 1402 25859
Castelsantangelo sul Nera MC 20 281 26140
Bolognola MC 20 142 26282

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
71 Km NW of Teramo (54892 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
82 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
98 Km NE of Viterbo (67173 inhabitants)
99 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
Rev 1000 Md 3.3
ML-VAX 2.7
1997-10-12
09:48:30
43.02 12.99 2 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 296059
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-12 09:48:30 ± 0.213
Latitude 43.02 ± 0.01
Longitude 12.99 ± 0.01
Depth (km) 2 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 296059

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) 1389.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.01174
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

Md:3.3

Field Value
Value 3.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 296059
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:38:28

ML:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 296059
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. 1997-10-12T09:48:55.69 10.0 undecidable manual SG 347 0.0062 0.07 0.6
--.CSNT.Z. 1997-10-12T09:48:55.75 10.0 undecidable manual PN 290 0.0117 0.28 0.9
--.MNS.Z. 1997-10-12T09:48:55.70 10.0 undecidable manual SG 199 0.006 -0.15 0.6
--.SFI.Z. 1997-10-12T09:48:54.15 10.0 undecidable manual PN 317 0.0108 0.12 1.2
--.RDP.Z. 1997-10-12T09:48:54.87 10.0 undecidable manual PN 188 0.0115 -0.13 1.2
--.RMP.Z. 1997-10-12T09:48:54.24 10.0 undecidable manual PN 189 0.011 -0.07 1.2
--.PQ9.Z. 1997-10-12T09:48:51.80 10.0 undecidable manual PG 162 0.0094 -0.43 0.7
--.RSM.Z. 1997-10-12T09:48:50.96 10.0 undecidable manual PG 336 0.0088 0.54 0.5
--.CRE.Z. 1997-10-12T09:48:49.63 10.0 undecidable manual PG 308 0.0086 -0.32 1
--.ARV.Z. 1997-10-12T09:48:48.71 10.0 undecidable manual SG 356 0.0043 0.08 0.6
--.AQU.Z. 1997-10-12T09:48:46.72 10.0 undecidable manual PG 154 0.0066 0.96 0.1
--.MNS.Z. 1997-10-12T09:48:44.13 10.0 undecidable manual PG 199 0.006 -0.52 0.6
--.FB9.Z. 1997-10-12T09:48:44.34 10.0 undecidable manual PG 347 0.0062 -0.54 0.6
--.ARV.Z. 1997-10-12T09:48:40.64 10.0 positive manual PG 356 0.0043 -0.2 2.7
--.ASS.Z. 1997-10-12T09:48:39.58 10.0 undecidable manual SG 279 0.0022 -0.13 0.6
--.ASS.Z. 1997-10-12T09:48:35.89 10.0 positive manual PG 279 0.0022 0.2 2.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download