Earthquake with magnitude of Md 2.0 on date 31-07-1992 and time 13:33:01 (Italy) in region W Visso (MC)

A magnitude Md 2.0 earthquake occured in region: W Visso (MC), on

  • 31-07-1992 11:33:01 (UTC)
  • 31-07-1992 13:33:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9310, 13.0860 at 13 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
Visso MC 0 1107 1107
Ussita MC 5 444 1551
Preci PG 7 724 2275
Castelsantangelo sul Nera MC 7 281 2556
Monte Cavallo MC 10 145 2701
Fiordimonte MC 12 202 2903
Pieve Torina MC 13 1458 4361
Fiastra MC 13 559 4920
Acquacanina MC 13 121 5041
Bolognola MC 14 142 5183
Sellano PG 14 1079 6262
Pievebovigliana MC 15 866 7128
Norcia PG 15 4957 12085
Muccia MC 17 915 13000
Cerreto di Spoleto PG 19 1075 14075
Serravalle di Chienti MC 19 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
55 Km NE of Terni (111501 inhabitants)
59 Km NW of Teramo (54892 inhabitants)
60 Km E of Perugia (166134 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
98 Km NE of Viterbo (67173 inhabitants)
99 Km W of Montesilvano (53738 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 2.0 1992-07-31
11:33:01
42.931 13.086 13 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 170539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-07-31 11:33:01 ± 0.154
Latitude 42.9310 ± 0.0076
Longitude 13.0860 ± 0.0114
Depth (km) 13 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 170539

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) 1256.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.00648
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 170539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:39:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.AOI.Z. 1992-07-31T11:33:27.70 10.0 undecidable manual SG 31 0.7215 1.21 0
--.MNS.Z. 1992-07-31T11:33:23.38 10.0 undecidable manual SG 208 0.6216 0.1 0.5
--.ARV.Z. 1992-07-31T11:33:21.77 10.0 undecidable manual SG 349 0.5772 -0.06 0.5
--.AOI.Z. 1992-07-31T11:33:15.80 10.0 undecidable manual PG 31 0.7215 -0.07 1.1
--.ALP.Z. 1992-07-31T11:33:15.50 10.0 undecidable manual SG 113 0.3774 -0.14 0.9
--.ASS.Z. 1992-07-31T11:33:14.42 10.0 undecidable manual SG 292 0.3441 0.09 0.6
--.MNS.Z. 1992-07-31T11:33:13.91 10.0 undecidable manual PG 208 0.6216 -0.11 1.2
--.ARV.Z. 1992-07-31T11:33:12.95 10.0 undecidable manual PG 349 0.5772 -0.23 1
--.CIO.Z. 1992-07-31T11:33:11.40 10.0 undecidable manual SG 9 0.2553 -0.52 0.3
--.ASS.Z. 1992-07-31T11:33:09.10 10.0 undecidable manual PG 292 0.3441 0.15 1.4
--.ALP.Z. 1992-07-31T11:33:09.50 10.0 undecidable manual PG 113 0.3774 -0.11 1.5
--.CIO.Z. 1992-07-31T11:33:07.40 10.0 undecidable manual PG 9 0.2553 -0.06 3.1
--.RMF.Z. 1992-07-31T11:33:06.30 10.0 undecidable manual SG 76 0.0888 -0.55 0.2
--.RMF.Z. 1992-07-31T11:33:04.90 10.0 undecidable manual PG 76 0.0888 0.36 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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