Earthquake with magnitude of Md 2.2 on date 01-10-1997 and time 12:17:05 (Italy) in region 2 km W Monte Cavallo (MC)

A magnitude Md 2.2 earthquake occured in region: 2 km W Monte Cavallo (MC), on

  • 01-10-1997 10:17:05 (UTC)
  • 01-10-1997 12:17:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9880, 12.9750 at 5 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 2 145 145
Pieve Torina MC 9 1458 1603
Serravalle di Chienti MC 10 1070 2673
Fiordimonte MC 11 202 2875
Visso MC 11 1107 3982
Sellano PG 12 1079 5061
Muccia MC 12 915 5976
Pievebovigliana MC 12 866 6842
Preci PG 13 724 7566
Ussita MC 14 444 8010
Fiastra MC 16 559 8569
Acquacanina MC 17 121 8690
Sefro MC 18 422 9112
Castelsantangelo sul Nera MC 18 281 9393
Camerino MC 18 6974 16367
Cerreto di Spoleto PG 19 1075 17442
Valtopina PG 20 1398 18840

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
54 Km NE of Terni (111501 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
95 Km S of Fano (60888 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
ML-VAX 1.9
1997-10-01
10:17:05
42.988 12.975 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 286469
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-01 10:17:05 ± 0.161
Latitude 42.9880 ± 0.0061
Longitude 12.9750 ± 0.0190
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 286469

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) 1689.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 202
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.00639
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 286469
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:30:00

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 286469
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
--.FB9.Z. 1997-10-01T10:17:31.74 10.0 undecidable manual SG 348 0.7104 -0.11 0.7
--.MNS.Z. 1997-10-01T10:17:28.87 10.0 undecidable manual SG 199 0.6327 -0.46 0.2
--.ARV.Z. 1997-10-01T10:17:25.45 10.0 undecidable manual SG 357 0.4995 0.25 0.6
--.FB9.Z. 1997-10-01T10:17:20.71 10.0 undecidable manual PG 348 0.7104 -0.18 1.6
--.MNS.Z. 1997-10-01T10:17:19.61 10.0 undecidable manual PG 199 0.6327 0.18 1.7
--.ARV.Z. 1997-10-01T10:17:16.97 10.0 undecidable manual PG 357 0.4995 -0.08 2.2
--.ASS.Z. 1997-10-01T10:17:15.16 10.0 undecidable manual SG 287 0.2442 -0.44 0.2
--.ASS.Z. 1997-10-01T10:17:11.90 10.0 undecidable manual PG 287 0.2442 0.39 0.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download