Earthquake with magnitude of Md 2.4 on date 18-07-1996 and time 19:18:54 (Italy) in region 8 km W Sellano (PG)

A magnitude Md 2.4 earthquake occured in region: 8 km W Sellano (PG), on

  • 18-07-1996 17:18:54 (UTC)
  • 18-07-1996 19:18:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9190, 12.8380 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 8 1079 1079
Trevi PG 9 8469 9548
Foligno PG 12 57155 66703
Campello sul Clitunno PG 12 2442 69145
Cerreto di Spoleto PG 13 1075 70220
Montefalco PG 15 5679 75899
Monte Cavallo MC 16 145 76044
Spello PG 16 8645 84689
Vallo di Nera PG 17 364 85053
Preci PG 17 724 85777
Castel Ritaldi PG 17 3278 89055
Valtopina PG 17 1398 90453
Bevagna PG 19 5081 95534
Serravalle di Chienti MC 20 1070 96604

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km E of Foligno (57155 inhabitants)
42 Km SE of Perugia (166134 inhabitants)
43 Km NE of Terni (111501 inhabitants)
76 Km W of Teramo (54892 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
82 Km NE of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
99 Km SE of Arezzo (99543 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 1.7
1996-07-18
17:18:54
42.919 12.838 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 249599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-07-18 17:18:54 ± 0.389
Latitude 42.9190 ± 0.0125
Longitude 12.8380 ± 0.0499
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 249599

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) 4298.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
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) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.00850
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 249599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:56:07

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 249599
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. 1996-07-18T17:19:22.48 10.0 undecidable manual SG 356 0.777 -0.01 0.5
--.CRE.Z. 1996-07-18T17:19:15.55 10.0 undecidable manual PG 317 0.9435 1.46 0.1
--.MNS.Z. 1996-07-18T17:19:15.15 10.0 undecidable manual SG 192 0.5439 -0.04 0.6
--.FB9.Z. 1996-07-18T17:19:10.58 10.0 undecidable manual PG 356 0.777 -0.2 1.1
--.MNS.Z. 1996-07-18T17:19:06.45 10.0 undecidable manual PG 192 0.5439 -0.12 1.5
--.ASS.Z. 1996-07-18T17:19:01.94 10.0 undecidable manual SG 316 0.1887 -0.63 0.2
--.ASS.Z. 1996-07-18T17:18:59.25 10.0 positive manual PG 316 0.1887 -0.03 2.9
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