Earthquake with magnitude of Md 2.2 on date 15-10-1997 and time 05:12:33 (Italy) in region 5 km N Sellano (PG)

A magnitude Md 2.2 earthquake occured in region: 5 km N Sellano (PG), on

  • 15-10-1997 03:12:33 (UTC)
  • 15-10-1997 05:12:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.93, 12.93 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
Sellano PG 5 1079 1079
Monte Cavallo MC 9 145 1224
Preci PG 11 724 1948
Visso MC 13 1107 3055
Cerreto di Spoleto PG 13 1075 4130
Serravalle di Chienti MC 16 1070 5200
Pieve Torina MC 16 1458 6658
Trevi PG 16 8469 15127
Ussita MC 17 444 15571
Fiordimonte MC 17 202 15773
Campello sul Clitunno PG 18 2442 18215
Castelsantangelo sul Nera MC 18 281 18496
Foligno PG 19 57155 75651
Pievebovigliana MC 19 866 76517
Muccia MC 19 915 77432
Vallo di Nera PG 19 364 77796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
48 Km E of Perugia (166134 inhabitants)
70 Km W of Teramo (54892 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
89 Km NE of Viterbo (67173 inhabitants)
90 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
Rev 1000 Md 2.2
ML-VAX 1.8
1997-10-15
03:12:33
42.93 12.93 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 300179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-15 03:12:33 ± 0.144
Latitude 42.93 ± 0.00
Longitude 12.93 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 300179

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) 1220.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 198
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.0021
Epicentral distance of station farthest from the epicenter (degree) 0.00688
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 300179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:42:07

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 300179
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. 1997-10-15T03:12:55.00 10.0 undecidable manual SG 198 0.0052 -0.08 0.7
--.ARV.Z. 1997-10-15T03:12:54.42 10.0 undecidable manual SG 0 0.005 -0.17 0.5
--.FB9.Z. 1997-10-15T03:12:50.00 10.0 undecidable manual PG 351 0.0069 0.55 0.3
--.MNS.Z. 1997-10-15T03:12:46.00 10.0 undecidable manual PG 198 0.0052 0 1.9
--.ARV.Z. 1997-10-15T03:12:45.41 10.0 undecidable manual PG 0 0.005 -0.31 0.9
--.ASS.Z. 1997-10-15T03:12:42.99 10.0 undecidable manual SG 301 0.0021 -0.1 0.7
--.ASS.Z. 1997-10-15T03:12:39.15 10.0 undecidable manual PG 301 0.0021 0.07 2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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