Earthquake with magnitude of Md 2.0 on date 18-07-1992 and time 05:20:28 (Italy) in region 2 km SE Visso (MC)

A magnitude Md 2.0 earthquake occured in region: 2 km SE Visso (MC), on

  • 18-07-1992 03:20:28 (UTC)
  • 18-07-1992 05:20:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9240, 13.1060 at 12 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 2 1107 1107
Ussita MC 4 444 1551
Castelsantangelo sul Nera MC 5 281 1832
Preci PG 7 724 2556
Monte Cavallo MC 12 145 2701
Bolognola MC 13 142 2843
Fiordimonte MC 13 202 3045
Acquacanina MC 13 121 3166
Fiastra MC 13 559 3725
Pieve Torina MC 14 1458 5183
Norcia PG 15 4957 10140
Sellano PG 15 1079 11219
Pievebovigliana MC 16 866 12085
Montemonaco AP 18 604 12689
Muccia MC 18 915 13604
Cerreto di Spoleto PG 19 1075 14679
Montefortino FM 19 1178 15857

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
55 Km NE of Terni (111501 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
62 Km E of Perugia (166134 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
97 Km W of Montesilvano (53738 inhabitants)
99 Km NE of Viterbo (67173 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 1992-07-18
03:20:28
42.924 13.106 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 169709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-07-18 03:20:28 ± 0.188
Latitude 42.9240 ± 0.0085
Longitude 13.1060 ± 0.0152
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 169709

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) 1557.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00324
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 169709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:38:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ALP.Z. 1992-07-18T03:20:42.30 10.0 undecidable manual SG 112 0.3552 0.05 0.6
--.ASS.Z. 1992-07-18T03:20:42.50 10.0 undecidable manual SG 292 0.3552 0.49 0
--.CIO.Z. 1992-07-18T03:20:39.20 10.0 undecidable manual SG 5 0.2664 -0.02 1
--.ASS.Z. 1992-07-18T03:20:36.00 10.0 undecidable manual PG 292 0.3552 -0.32 0.3
--.ALP.Z. 1992-07-18T03:20:36.50 10.0 undecidable manual PG? 112 0.3552 0.04 0.6
--.CIO.Z. 1992-07-18T03:20:34.70 10.0 undecidable manual PG 5 0.2664 -0.01 1.7
--.RMF.Z. 1992-07-18T03:20:33.40 10.0 undecidable manual SG 68 0.0777 -0.16 0.7
--.RMF.Z. 1992-07-18T03:20:31.50 10.0 undecidable manual PG 68 0.0777 0.06 3.2
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