Earthquake with magnitude of Md 2.5 on date 14-10-1997 and time 12:50:19 (Italy) in region 3 km SE Monte Cavallo (MC)

A magnitude Md 2.5 earthquake occured in region: 3 km SE Monte Cavallo (MC), on

  • 14-10-1997 10:50:19 (UTC)
  • 14-10-1997 12:50:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.98, 13.04 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 3 145 145
Visso MC 7 1107 1252
Pieve Torina MC 8 1458 2710
Fiordimonte MC 8 202 2912
Ussita MC 9 444 3356
Pievebovigliana MC 10 866 4222
Preci PG 11 724 4946
Muccia MC 12 915 5861
Fiastra MC 12 559 6420
Serravalle di Chienti MC 13 1070 7490
Acquacanina MC 13 121 7611
Sellano PG 13 1079 8690
Castelsantangelo sul Nera MC 13 281 8971
Bolognola MC 16 142 9113
Camerino MC 18 6974 16087
Cerreto di Spoleto PG 20 1075 17162

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
55 Km E of Perugia (166134 inhabitants)
56 Km NE of Terni (111501 inhabitants)
65 Km NW of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
97 Km S of Fano (60888 inhabitants)
98 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
Rev 1000 Md 2.5
ML-VAX 2.1
1997-10-14
10:50:19
42.98 13.04 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 298599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-14 10:50:19 ± 0.315
Latitude 42.98 ± 0.01
Longitude 13.04 ± 0.03
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 298599

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) 2832.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 211
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.00664
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 298599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:40:43

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 298599
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
--.MNS.Z. 1997-10-14T10:50:41.96 10.0 undecidable manual SG 203 0.0057 -0.69 0.2
--.ARV.Z. 1997-10-14T10:50:38.00 10.0 undecidable manual SG 352 0.0047 -0.76 0.2
--.FB9.Z. 1997-10-14T10:50:35.00 10.0 undecidable manual PG 345 0.0066 0.63 0.6
--.MNS.Z. 1997-10-14T10:50:32.74 10.0 positive manual PG 203 0.0057 0.08 3.2
--.ARV.Z. 1997-10-14T10:50:30.00 10.0 undecidable manual PG 352 0.0047 -0.41 1.2
--.ASS.Z. 1997-10-14T10:50:30.00 10.0 undecidable manual SG 286 0.0026 -0.44 0.4
--.ASS.Z. 1997-10-14T10:50:26.00 10.0 undecidable manual PG 286 0.0026 0.39 1.2
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