Earthquake with magnitude of Md 2.5 on date 02-07-1993 and time 12:49:44 (Italy) in region 2 km E Sant'Anatolia di Narco (PG)

A magnitude Md 2.5 earthquake occured in region: 2 km E Sant'Anatolia di Narco (PG), on

  • 02-07-1993 10:49:44 (UTC)
  • 02-07-1993 12:49:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7380, 12.8620 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
Sant'Anatolia di Narco PG 2 564 564
Vallo di Nera PG 4 364 928
Scheggino PG 4 461 1389
Poggiodomo PG 7 117 1506
Spoleto PG 10 38218 39724
Cerreto di Spoleto PG 10 1075 40799
Campello sul Clitunno PG 12 2442 43241
Monteleone di Spoleto PG 12 599 43840
Cascia PG 13 3217 47057
Ferentillo TR 14 1913 48970
Polino TR 17 233 49203
Montefranco TR 17 1276 50479
Sellano PG 18 1079 51558
Castel Ritaldi PG 18 3278 54836
Trevi PG 18 8469 63305
Arrone TR 19 2763 66068
Norcia PG 20 4957 71025

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Terni (111501 inhabitants)
28 Km SE of Foligno (57155 inhabitants)
56 Km SE of Perugia (166134 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
70 Km W of Teramo (54892 inhabitants)
71 Km NE of Viterbo (67173 inhabitants)
83 Km N of Guidonia Montecelio (88673 inhabitants)
86 Km N of Tivoli (56533 inhabitants)
99 Km NE 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 2.5
ML-VAX 1.8
1993-07-02
10:49:44
42.738 12.862 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 189719
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-07-02 10:49:44 ± 0.424
Latitude 42.7380 ± 0.0113
Longitude 12.8620 ± 0.0590
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 189719

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) 4981.9
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 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00316
Epicentral distance of station farthest from the epicenter (degree) 0.01263
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 189719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:58:10

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 189719
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
--.CRE.Z. 1993-07-02T10:50:23.00 10.0 undecidable manual SN 323 1.0989 0.16 0.5
--.ARV.Z. 1993-07-02T10:50:12.29 10.0 undecidable manual SG 4 0.7548 0.16 0.6
--.PGD.Z. 1993-07-02T10:50:10.99 10.0 undecidable manual PN 324 1.3986 0.07 1.2
--.SFI.Z. 1993-07-02T10:50:10.68 10.0 undecidable manual PN 327 1.3764 0.14 1.2
--.CRE.Z. 1993-07-02T10:50:08.55 10.0 undecidable manual PN 323 1.0989 1.8 0.1
--.ARV.Z. 1993-07-02T10:49:59.94 10.0 undecidable manual PG 4 0.7548 -0.62 1.1
--.ASS.Z. 1993-07-02T10:49:58.19 10.0 undecidable manual SG 334 0.3552 -0.5 0.5
--.MNS.Z. 1993-07-02T10:49:58.95 10.0 undecidable manual SG 200 0.3663 -0.44 0.5
--.MNS.Z. 1993-07-02T10:49:53.00 10.0 undecidable manual PG 200 0.3663 -0.21 1.6
--.ASS.Z. 1993-07-02T10:49:52.43 10.0 positive manual PG 334 0.3552 -0.38 2.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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