Earthquake with magnitude of Md 2.5 on date 10-03-1992 and time 20:20:46 (Italy) in region 4 km N Castel Ritaldi (PG)

A magnitude Md 2.5 earthquake occured in region: 4 km N Castel Ritaldi (PG), on

  • 10-03-1992 19:20:46 (UTC)
  • 10-03-1992 20:20:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8570, 12.6660 at 10 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
Castel Ritaldi PG 4 3278 3278
Montefalco PG 4 5679 8957
Trevi PG 7 8469 17426
Giano dell'Umbria PG 8 3846 21272
Bevagna PG 10 5081 26353
Campello sul Clitunno PG 10 2442 28795
Gualdo Cattaneo PG 11 6155 34950
Foligno PG 12 57155 92105
Massa Martana PG 15 3770 95875
Spoleto PG 15 38218 134093
Spello PG 15 8645 142738
Cannara PG 17 4305 147043
Vallo di Nera PG 19 364 147407
Collazzone PG 19 3473 150880
Sant'Anatolia di Narco PG 20 564 151444

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km S of Foligno (57155 inhabitants)
33 Km N of Terni (111501 inhabitants)
36 Km SE of Perugia (166134 inhabitants)
67 Km NE of Viterbo (67173 inhabitants)
82 Km NW of L'Aquila (69753 inhabitants)
88 Km W of Teramo (54892 inhabitants)
93 Km SE of Arezzo (99543 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km N of Tivoli (56533 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 1.9
1992-03-10
19:20:46
42.857 12.666 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 160349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-03-10 19:20:46 ± 0.296
Latitude 42.8570 ± 0.0128
Longitude 12.6660 ± 0.0525
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 160349

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) 4511.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.01279
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 160349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:29:50

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 160349
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
--.SDI.Z. 1992-03-10T19:21:13.00 10.0 undecidable manual PN 143 1.4208 1.32 0.1
--.AQU.Z. 1992-03-10T19:21:11.00 10.0 undecidable manual SG 132 0.7326 -0.68 0.2
--.ARV.Z. 1992-03-10T19:21:09.27 10.0 undecidable manual SG 17 0.666 -0.31 0.5
--.MNS.Z. 1992-03-10T19:21:02.27 10.0 undecidable manual SG 178 0.4662 -0.84 0.2
--.AQU.Z. 1992-03-10T19:21:01.00 10.0 undecidable manual PG 132 0.7326 0.15 1.5
--.ARV.Z. 1992-03-10T19:20:59.68 10.0 undecidable manual PG 17 0.666 0.04 1.6
--.MNS.Z. 1992-03-10T19:20:55.82 10.0 undecidable manual PG 178 0.4662 -0.09 1.5
--.ASS.Z. 1992-03-10T19:20:53.64 10.0 undecidable manual SG 357 0.1998 -0.95 0.2
--.ASS.Z. 1992-03-10T19:20:51.70 10.0 positive manual PG 357 0.1998 0.09 3.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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