Earthquake with magnitude of Md 2.0 on date 27-09-1997 and time 02:04:26 (Italy) in region S Monte Cavallo (MC)

A magnitude Md 2.0 earthquake occured in region: S Monte Cavallo (MC), on

  • 27-09-1997 00:04:26 (UTC)
  • 27-09-1997 02:04:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9930, 13.0020 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 0 145 145
Pieve Torina MC 7 1458 1603
Fiordimonte MC 9 202 1805
Serravalle di Chienti MC 10 1070 2875
Visso MC 10 1107 3982
Pievebovigliana MC 10 866 4848
Muccia MC 11 915 5763
Ussita MC 12 444 6207
Preci PG 13 724 6931
Sellano PG 13 1079 8010
Fiastra MC 14 559 8569
Acquacanina MC 15 121 8690
Castelsantangelo sul Nera MC 17 281 8971
Camerino MC 17 6974 15945
Sefro MC 18 422 16367
Bolognola MC 18 142 16509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
56 Km NE of Terni (111501 inhabitants)
68 Km NW of Teramo (54892 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
95 Km S of Fano (60888 inhabitants)
97 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
Bulletin
Rev1000
Md 2.0
ML-VAX 1.7
1997-09-27
00:04:26
42.993 13.002 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 280789
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-27 00:04:26 ± 0.476
Latitude 42.9930 ± 0.0183
Longitude 13.0020 ± 0.0549
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 280789

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) 4906.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 206
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00235
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 280789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:25:03

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 280789
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. 1997-09-27T00:04:52.83 10.0 undecidable manual SG 346 0.7104 0.67 0.5
--.MNS.Z. 1997-09-27T00:04:51.00 10.0 undecidable manual SG 201 0.6438 0.94 0.3
--.FB9.Z. 1997-09-27T00:04:41.12 10.0 undecidable manual PG 346 0.7104 -0.09 1.8
--.MNS.Z. 1997-09-27T00:04:39.39 10.0 undecidable manual PG 201 0.6438 -0.61 1.3
--.ARV.Z. 1997-09-27T00:04:37.00 10.0 undecidable manual PG 355 0.4995 -0.32 1.9
--.ASS.Z. 1997-09-27T00:04:35.29 10.0 undecidable manual SG 285 0.2553 -1.3 0.1
--.ASS.Z. 1997-09-27T00:04:33.60 10.0 undecidable manual PG 285 0.2553 0.83 1
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