Earthquake with magnitude of Md 2.0 on date 27-09-1997 and time 12:05:35 (Italy) in region 3 km N Sellano (PG)

A magnitude Md 2.0 earthquake occured in region: 3 km N Sellano (PG), on

  • 27-09-1997 10:05:35 (UTC)
  • 27-09-1997 12:05:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9190, 12.9160 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
Sellano PG 3 1079 1079
Monte Cavallo MC 11 145 1224
Preci PG 11 724 1948
Cerreto di Spoleto PG 11 1075 3023
Visso MC 14 1107 4130
Trevi PG 14 8469 12599
Campello sul Clitunno PG 16 2442 15041
Vallo di Nera PG 17 364 15405
Serravalle di Chienti MC 17 1070 16475
Foligno PG 18 57155 73630
Pieve Torina MC 18 1458 75088
Ussita MC 18 444 75532
Fiordimonte MC 19 202 75734
Castelsantangelo sul Nera MC 20 281 76015

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
48 Km E of Perugia (166134 inhabitants)
71 Km W of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
92 Km SW of Ancona (100861 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 1.9
1997-09-27
10:05:35
42.919 12.916 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 281589
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-27 10:05:35 ± 0.446
Latitude 42.9190 ± 0.0152
Longitude 12.9160 ± 0.0614
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 281589

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) 5279.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.00696
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 2
Type of magnitude Md
Reference to an origin 281589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:25:44

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 281589
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. 1997-09-27T10:06:04.44 10.0 undecidable manual SG 352 0.777 1.55 0.1
--.ARV.Z. 1997-09-27T10:05:56.40 10.0 undecidable manual SG 1 0.5772 -0.45 0.7
--.MNS.Z. 1997-09-27T10:05:55.43 10.0 undecidable manual SG 197 0.555 -0.44 0.7
--.FB9.Z. 1997-09-27T10:05:51.92 10.0 undecidable manual PG 352 0.777 0.42 1.5
--.MNS.Z. 1997-09-27T10:05:47.71 10.0 undecidable manual PG 197 0.555 0.26 2
--.ARV.Z. 1997-09-27T10:05:46.76 10.0 undecidable manual PG 1 0.5772 -1.04 0.8
--.ASS.Z. 1997-09-27T10:05:44.50 10.0 undecidable manual SG 306 0.2331 -1.09 0.3
--.ASS.Z. 1997-09-27T10:05:42.00 10.0 undecidable manual PG 306 0.2331 0.49 1.8
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