Earthquake with magnitude of Md 2.4 on date 13-10-1997 and time 02:41:14 (Italy) in region 2 km S Monte Cavallo (MC)

A magnitude Md 2.4 earthquake occured in region: 2 km S Monte Cavallo (MC), on

  • 13-10-1997 00:41:14 (UTC)
  • 13-10-1997 02:41:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9780, 12.9960 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
Visso MC 9 1107 2710
Fiordimonte MC 10 202 2912
Serravalle di Chienti MC 11 1070 3982
Sellano PG 11 1079 5061
Preci PG 12 724 5785
Pievebovigliana MC 12 866 6651
Ussita MC 12 444 7095
Muccia MC 12 915 8010
Fiastra MC 15 559 8569
Acquacanina MC 16 121 8690
Castelsantangelo sul Nera MC 16 281 8971
Camerino MC 19 6974 15945
Cerreto di Spoleto PG 19 1075 17020
Bolognola MC 19 142 17162
Sefro MC 19 422 17584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
54 Km NE of Terni (111501 inhabitants)
68 Km NW of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
96 Km NE of Viterbo (67173 inhabitants)
96 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 2.4
ML-VAX 1.6
1997-10-13
00:41:14
42.978 12.996 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 297149
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-13 00:41:14 ± 0.113
Latitude 42.9780 ± 0.0042
Longitude 12.9960 ± 0.0101
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 297149

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) 942.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 205
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) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.00656
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 297149
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:39:26

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 297149
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. 1997-10-13T00:41:40.67 10.0 undecidable manual SG 347 0.7326 -0.41 0.1
--.MNS.Z. 1997-10-13T00:41:37.90 10.0 undecidable manual SG 201 0.6327 -0.12 0.7
--.ARV.Z. 1997-10-13T00:41:34.60 10.0 undecidable manual SG 355 0.5217 0.23 0.5
--.FB9.Z. 1997-10-13T00:41:29.73 10.0 undecidable manual PG 347 0.7326 -0.21 1.1
--.MNS.Z. 1997-10-13T00:41:28.17 10.0 undecidable manual PG 201 0.6327 -0.01 2.1
--.ARV.Z. 1997-10-13T00:41:26.27 10.0 undecidable manual PG 355 0.5217 0.2 1.4
--.ASS.Z. 1997-10-13T00:41:24.95 10.0 undecidable manual SG 288 0.2553 -0.12 0.8
--.ASS.Z. 1997-10-13T00:41:20.89 10.0 undecidable manual PG 288 0.2553 0.19 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download