Earthquake with magnitude of Md 2.7 on date 12-06-1994 and time 15:58:18 (Italy) in region 6 km NW Spoleto (PG)

A magnitude Md 2.7 earthquake occured in region: 6 km NW Spoleto (PG), on

  • 12-06-1994 13:58:18 (UTC)
  • 12-06-1994 15:58:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.77, 12.7 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
Spoleto PG 6 38218 38218
Castel Ritaldi PG 6 3278 41496
Campello sul Clitunno PG 8 2442 43938
Giano dell'Umbria PG 12 3846 47784
Sant'Anatolia di Narco PG 12 564 48348
Trevi PG 12 8469 56817
Scheggino PG 13 461 57278
Vallo di Nera PG 14 364 57642
Montefalco PG 14 5679 63321
Massa Martana PG 14 3770 67091
Acquasparta TR 15 4778 71869
Ferentillo TR 19 1913 73782
Cerreto di Spoleto PG 19 1075 74857
Gualdo Cattaneo PG 19 6155 81012
Bevagna PG 19 5081 86093

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km S of Foligno (57155 inhabitants)
24 Km N of Terni (111501 inhabitants)
45 Km SE of Perugia (166134 inhabitants)
63 Km NE of Viterbo (67173 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
83 Km W of Teramo (54892 inhabitants)
86 Km N of Guidonia Montecelio (88673 inhabitants)
90 Km N of Tivoli (56533 inhabitants)
99 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
Rev 1000 Md 2.7
ML-VAX 2.3
1994-06-12
13:58:18
42.77 12.7 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 211399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-06-12 13:58:18 ± 0.137
Latitude 42.77 ± 0.01
Longitude 12.70 ± 0.03
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 211399

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) 2196.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.01174
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 211399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:19:16

ML:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 211399
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
--.RDP.Z. 1994-06-12T13:58:55.00 10.0 undecidable manual SG 179 0.0091 0.88 0.2
--.CRE.Z. 1994-06-12T13:58:54.77 10.0 undecidable manual SG 327 0.009 1 0.1
--.RMP.Z. 1994-06-12T13:58:52.36 10.0 undecidable manual SG 179 0.0087 -0.06 0.7
--.ARV.Z. 1994-06-12T13:58:45.83 10.0 undecidable manual SG 13 0.0066 0.35 0.7
--.SFI.Z. 1994-06-12T13:58:43.44 10.0 undecidable manual PN 331 0.0116 0.29 1.4
--.PGD.Z. 1994-06-12T13:58:43.87 10.0 undecidable manual PN 327 0.0117 0.41 1.1
--.AQU.Z. 1994-06-12T13:58:42.63 10.0 undecidable manual SG 128 0.006 -0.33 0.7
--.RDP.Z. 1994-06-12T13:58:39.00 10.0 undecidable manual PG 179 0.0091 -0.13 1.8
--.CRE.Z. 1994-06-12T13:58:38.13 10.0 undecidable manual PG 327 0.009 -0.8 0.6
--.RMP.Z. 1994-06-12T13:58:37.97 10.0 undecidable manual PG 179 0.0087 -0.18 1.8
--.ARV.Z. 1994-06-12T13:58:33.67 10.0 undecidable manual PG 13 0.0066 -0.47 1.4
--.MNS.Z. 1994-06-12T13:58:33.21 10.0 undecidable manual SG 181 0.0035 -0.54 0.5
--.AQU.Z. 1994-06-12T13:58:33.34 10.0 undecidable manual PG 128 0.006 0.65 0.9
--.ASS.Z. 1994-06-12T13:58:29.41 10.0 undecidable manual SG 353 0.0026 -0.54 0.5
--.MNS.Z. 1994-06-12T13:58:26.85 10.0 positive manual PG 181 0.0035 -0.52 2.5
--.ASS.Z. 1994-06-12T13:58:24.69 10.0 undecidable manual PG 353 0.0026 -0.48 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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