Earthquake with magnitude of Md 2.5 on date 07-02-1992 and time 23:41:12 (Italy) in region 6 km NE Trevi (PG)

A magnitude Md 2.5 earthquake occured in region: 6 km NE Trevi (PG), on

  • 07-02-1992 22:41:12 (UTC)
  • 07-02-1992 23:41:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9200, 12.7910 at 8 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
Trevi PG 6 8469 8469
Foligno PG 8 57155 65624
Campello sul Clitunno PG 11 2442 68066
Montefalco PG 12 5679 73745
Sellano PG 12 1079 74824
Spello PG 13 8645 83469
Castel Ritaldi PG 14 3278 86747
Bevagna PG 15 5081 91828
Cerreto di Spoleto PG 15 1075 92903
Valtopina PG 16 1398 94301
Vallo di Nera PG 18 364 94665
Cannara PG 19 4305 98970
Monte Cavallo MC 19 145 99115
Gualdo Cattaneo PG 19 6155 105270
Giano dell'Umbria PG 20 3846 109116

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km SE of Foligno (57155 inhabitants)
39 Km SE of Perugia (166134 inhabitants)
42 Km N of Terni (111501 inhabitants)
79 Km NE of Viterbo (67173 inhabitants)
80 Km W of Teramo (54892 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
96 Km SE of Arezzo (99543 inhabitants)
98 Km SW of Ancona (100861 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 1.6
1992-02-07
22:41:12
42.92 12.791 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 158169
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-02-07 22:41:12 ± 0.195
Latitude 42.9200 ± 0.0087
Longitude 12.7910 ± 0.0147
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 158169

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) 1543.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.01101
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 158169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:27:49

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 158169
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
--.PGD.Z. 1992-02-07T22:41:53.52 10.0 undecidable manual SN 321 1.221 0.52 0.3
--.AQU.Z. 1992-02-07T22:41:38.29 10.0 undecidable manual SG 141 0.7215 0.07 0.6
--.PGD.Z. 1992-02-07T22:41:36.74 10.0 undecidable manual PN 321 1.221 0.73 0.4
--.SFI.Z. 1992-02-07T22:41:35.58 10.0 undecidable manual PN 325 1.1988 0.02 1.2
--.ALP.Z. 1992-02-07T22:41:34.60 10.0 undecidable manual SG 103 0.5883 0.77 0.3
--.ARV.Z. 1992-02-07T22:41:33.73 10.0 undecidable manual SG 10 0.5883 -0.23 0.6
--.MNS.Z. 1992-02-07T22:41:32.34 10.0 undecidable manual SG 188 0.5439 -0.05 0.7
--.CRE.Z. 1992-02-07T22:41:30.87 10.0 undecidable manual PG 319 0.9213 -0.43 0.9
--.AQU.Z. 1992-02-07T22:41:27.80 10.0 undecidable manual PG 141 0.7215 -0.39 1.1
--.CIO.Z. 1992-02-07T22:41:26.50 10.0 undecidable manual SG 42 0.3663 -0.63 0.4
--.ALP.Z. 1992-02-07T22:41:25.60 10.0 undecidable manual PG 103 0.5883 0.66 0.7
--.RMF.Z. 1992-02-07T22:41:24.00 10.0 undecidable manual SG 83 0.3108 -0.91 0.2
--.ARV.Z. 1992-02-07T22:41:24.30 10.0 undecidable manual PG 10 0.5883 -0.71 0.6
--.MNS.Z. 1992-02-07T22:41:23.41 10.0 undecidable manual PG 188 0.5439 -0.7 0.6
--.CIO.Z. 1992-02-07T22:41:21.10 10.0 undecidable manual PG 42 0.3663 0.04 3.4
--.RMF.Z. 1992-02-07T22:41:20.20 10.0 undecidable manual PG 83 0.3108 0.41 2.3
--.ASS.Z. 1992-02-07T22:41:20.10 10.0 undecidable manual SG 324 0.1665 -0.01 0.7
--.ASS.Z. 1992-02-07T22:41:17.18 10.0 negative manual PG 324 0.1665 0.16 3.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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