Earthquake with magnitude of Md 2.0 on date 27-09-1997 and time 02:28:44 (Italy) in region 2 km S Fiordimonte (MC)

A magnitude Md 2.0 earthquake occured in region: 2 km S Fiordimonte (MC), on

  • 27-09-1997 00:28:44 (UTC)
  • 27-09-1997 02:28:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0200, 13.0950 at 10 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
Fiordimonte MC 2 202 202
Pieve Torina MC 5 1458 1660
Pievebovigliana MC 5 866 2526
Fiastra MC 5 559 3085
Acquacanina MC 7 121 3206
Muccia MC 8 915 4121
Monte Cavallo MC 8 145 4266
Ussita MC 9 444 4710
Visso MC 10 1107 5817
Bolognola MC 11 142 5959
Serravalle di Chienti MC 13 1070 7029
Camerino MC 13 6974 14003
Castelsantangelo sul Nera MC 15 281 14284
Preci PG 16 724 15008
Cessapalombo MC 17 512 15520
Sarnano MC 17 3264 18784
Caldarola MC 17 1823 20607
Sefro MC 18 422 21029
Camporotondo di Fiastrone MC 19 563 21592
Serrapetrona MC 19 966 22558
Sellano PG 20 1079 23637
Pioraco MC 20 1134 24771
Belforte del Chienti MC 20 1886 26657

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
58 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
100 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 2.0 1997-09-27
00:28:44
43.02 13.095 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 280849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-27 00:28:44 ± 0.417
Latitude 43.0200 ± 0.0125
Longitude 13.0950 ± 0.0387
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 280849

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) 3439.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 218
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) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.00915
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 280849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:25:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1997-09-27T00:29:09.60 10.0 undecidable manual SG 205 0.6993 0.22 0.7
--.CRE.Z. 1997-09-27T00:29:03.80 10.0 undecidable manual PG 305 1.0101 -1.34 0.3
--.ARV.Z. 1997-09-27T00:29:02.00 10.0 undecidable manual SG 346 0.4884 0.01 0.8
--.MNS.Z. 1997-09-27T00:28:58.24 10.0 undecidable manual PG 205 0.6993 -0.24 1.8
--.ASS.Z. 1997-09-27T00:28:57.00 10.0 undecidable manual SG 277 0.3219 0.31 0.7
--.ARV.Z. 1997-09-27T00:28:55.00 10.0 undecidable manual PG 346 0.4884 0.48 1.5
--.ASS.Z. 1997-09-27T00:28:52.00 10.0 undecidable manual PG 277 0.3219 0.54 1.3
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