Earthquake with magnitude of Md 2.2 on date 27-09-1993 and time 22:19:07 (UTC) in region 3 km W Scheggino (PG)

A magnitude Md 2.2 earthquake occured in region: 3 km W Scheggino (PG), on

  • 27-09-1993 22:19:07 (UTC)
  • 27-09-1993 23:19:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7090, 12.7960 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
Scheggino PG 3 461 461
Sant'Anatolia di Narco PG 4 564 1025
Spoleto PG 6 38218 39243
Vallo di Nera PG 9 364 39607
Ferentillo TR 10 1913 41520
Poggiodomo PG 11 117 41637
Campello sul Clitunno PG 13 2442 44079
Montefranco TR 13 1276 45355
Arrone TR 14 2763 48118
Polino TR 14 233 48351
Monteleone di Spoleto PG 14 599 48950
Cerreto di Spoleto PG 16 1075 50025
Castel Ritaldi PG 16 3278 53303
Cascia PG 18 3217 56520
Trevi PG 19 8469 64989

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Terni (111501 inhabitants)
29 Km S of Foligno (57155 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
65 Km NE of Viterbo (67173 inhabitants)
75 Km W of Teramo (54892 inhabitants)
79 Km N of Guidonia Montecelio (88673 inhabitants)
83 Km N of Tivoli (56533 inhabitants)
94 Km N of Roma (2864731 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 2.2 1993-09-27
22:19:07
42.709 12.796 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 197109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-09-27 22:19:07 ± 0.177
Latitude 42.7090 ± 0.0074
Longitude 12.7960 ± 0.0307
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 197109

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) 2640.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00300
Epicentral distance of station farthest from the epicenter (degree) 0.01117
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 197109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:05:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1993-09-27T22:19:36.25 10.0 undecidable manual SG 7 0.7881 0.57 0.3
--.SDI.Z. 1993-09-27T22:19:31.21 10.0 undecidable manual PN 142 1.2432 -0.03 1.3
--.AQU.Z. 1993-09-27T22:19:27.30 10.0 undecidable manual SG 128 0.5661 -1.12 0
--.ARV.Z. 1993-09-27T22:19:23.22 10.0 undecidable manual PG 7 0.7881 -0.44 1.1
--.ASS.Z. 1993-09-27T22:19:21.61 10.0 undecidable manual SG 343 0.3552 0.08 0.8
--.AQU.Z. 1993-09-27T22:19:20.24 10.0 undecidable manual PG 128 0.5661 0.77 0.5
--.MNS.Z. 1993-09-27T22:19:20.38 10.0 undecidable manual SG 194 0.333 0.11 0.8
--.ASS.Z. 1993-09-27T22:19:15.43 10.0 undecidable manual PG 343 0.3552 -0.06 2
--.MNS.Z. 1993-09-27T22:19:14.66 10.0 undecidable manual PG 194 0.333 -0.11 2
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