Earthquake with magnitude of Md 2.4 on date 06-04-1993 and time 19:07:05 (Italy) in region 3 km SW Sellano (PG)

A magnitude Md 2.4 earthquake occured in region: 3 km SW Sellano (PG), on

  • 06-04-1993 17:07:05 (UTC)
  • 06-04-1993 19:07:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8720, 12.9020 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
Cerreto di Spoleto PG 6 1075 2154
Preci PG 11 724 2878
Campello sul Clitunno PG 12 2442 5320
Vallo di Nera PG 12 364 5684
Trevi PG 13 8469 14153
Monte Cavallo MC 16 145 14298
Sant'Anatolia di Narco PG 16 564 14862
Visso MC 17 1107 15969
Poggiodomo PG 18 117 16086
Norcia PG 18 4957 21043
Scheggino PG 19 461 21504
Foligno PG 19 57155 78659
Cascia PG 19 3217 81876
Castel Ritaldi PG 19 3278 85154

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SE of Foligno (57155 inhabitants)
40 Km NE of Terni (111501 inhabitants)
49 Km SE of Perugia (166134 inhabitants)
70 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
82 Km NE of Viterbo (67173 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
98 Km N of Guidonia Montecelio (88673 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 1993-04-06
17:07:05
42.872 12.902 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 183029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-04-06 17:07:05 ± 0.501
Latitude 42.8720 ± 0.0184
Longitude 12.9020 ± 0.0590
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 183029

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) 5224.2
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00235
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 183029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:51:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1993-04-06T17:07:27.33 10.0 undecidable manual SG 2 0.6216 -0.23 0.6
--.CRE.Z. 1993-04-06T17:07:27.00 10.0 undecidable manual PG 317 1.0101 1.51 0.2
--.MNS.Z. 1993-04-06T17:07:24.90 10.0 undecidable manual SG 198 0.5106 1 0.3
--.ARV.Z. 1993-04-06T17:07:18.45 10.0 undecidable manual PG 2 0.6216 0.21 1.5
--.MNS.Z. 1993-04-06T17:07:15.44 10.0 undecidable manual PG 198 0.5106 -0.68 1.2
--.ASS.Z. 1993-04-06T17:07:15.26 10.0 undecidable manual SG 316 0.2553 -0.62 0.5
--.ASS.Z. 1993-04-06T17:07:10.93 10.0 negative manual PG 316 0.2553 -0.57 2.7
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