Earthquake with magnitude of Md 2.4 on date 07-10-1997 and time 12:01:29 (Italy) in region 7 km SW Serravalle di Chienti (MC)

A magnitude Md 2.4 earthquake occured in region: 7 km SW Serravalle di Chienti (MC), on

  • 07-10-1997 10:01:29 (UTC)
  • 07-10-1997 12:01:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0220, 12.8960 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
Serravalle di Chienti MC 7 1070 1070
Monte Cavallo MC 9 145 1215
Valtopina PG 12 1398 2613
Pieve Torina MC 13 1458 4071
Nocera Umbra PG 13 5839 9910
Muccia MC 14 915 10825
Sefro MC 15 422 11247
Sellano PG 15 1079 12326
Fiordimonte MC 16 202 12528
Pievebovigliana MC 16 866 13394
Foligno PG 17 57155 70549
Spello PG 19 8645 79194
Visso MC 19 1107 80301
Camerino MC 19 6974 87275
Fiuminata MC 19 1402 88677
Pioraco MC 19 1134 89811
Preci PG 20 724 90535
Trevi PG 20 8469 99004

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
77 Km NW of Teramo (54892 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
85 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
96 Km SE of Arezzo (99543 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
Bulletin
Rev1000
Md 2.4
ML-VAX 1.6
1997-10-07
10:01:29
43.022 12.896 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 292289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-07 10:01:29 ± 0.186
Latitude 43.0220 ± 0.0075
Longitude 12.8960 ± 0.0178
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 292289

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) 1671.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 189
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) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.00607
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 4
Type of magnitude Md
Reference to an origin 292289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:35:08

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 292289
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. 1997-10-07T10:01:53.90 10.0 undecidable manual SG 352 0.6771 0.11 0.5
--.MNS.Z. 1997-10-07T10:01:53.23 10.0 undecidable manual SG 193 0.6438 0.05 0.6
--.ARV.Z. 1997-10-07T10:01:47.80 10.0 undecidable manual SG 4 0.4773 0.34 0.4
--.MNS.Z. 1997-10-07T10:01:43.00 10.0 positive manual PG 193 0.6438 -0.07 2.9
--.FB9.Z. 1997-10-07T10:01:42.34 10.0 undecidable manual PG 352 0.6771 -1.08 0.1
--.ARV.Z. 1997-10-07T10:01:39.89 10.0 undecidable manual PG 4 0.4773 0.13 1.5
--.ASS.Z. 1997-10-07T10:01:36.39 10.0 undecidable manual SG 282 0.1776 -0.08 0.7
--.ASS.Z. 1997-10-07T10:01:33.60 10.0 undecidable manual PG 282 0.1776 0.18 1.4
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