Earthquake with magnitude of Md 2.3 on date 12-05-1992 and time 09:23:59 (Italy) in region 1 km S Rivodutri (RI)

A magnitude Md 2.3 earthquake occured in region: 1 km S Rivodutri (RI), on

  • 12-05-1992 07:23:59 (UTC)
  • 12-05-1992 09:23:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5060, 12.8590 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
Rivodutri RI 1 1253 1253
Poggio Bustone RI 2 2055 3308
Morro Reatino RI 3 373 3681
Labro RI 5 374 4055
Cantalice RI 6 2755 6810
Colli sul Velino RI 7 533 7343
Polino TR 9 233 7576
Greccio RI 9 1558 9134
Leonessa RI 11 2435 11569
Rieti RI 11 47698 59267
Arrone TR 11 2763 62030
Montefranco TR 13 1276 63306
Contigliano RI 13 3783 67089
Ferentillo TR 14 1913 69002
Cittaducale RI 15 6828 75830
Stroncone TR 16 4917 80747
Micigliano RI 17 127 80874
Cottanello RI 18 563 81437
Monteleone di Spoleto PG 18 599 82036
Terni TR 18 111501 193537
Castel Sant'Angelo RI 19 1308 194845
Posta RI 20 694 195539
Montasola RI 20 395 195934
Borgo Velino RI 20 972 196906
Configni RI 20 633 197539

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Terni (111501 inhabitants)
48 Km W of L'Aquila (69753 inhabitants)
52 Km S of Foligno (57155 inhabitants)
57 Km N of Guidonia Montecelio (88673 inhabitants)
60 Km N of Tivoli (56533 inhabitants)
63 Km E of Viterbo (67173 inhabitants)
71 Km W of Teramo (54892 inhabitants)
75 Km NE of Roma (2864731 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
91 Km N of Velletri (53303 inhabitants)
96 Km NE of Fiumicino (78395 inhabitants)
97 Km NE of Pomezia (62966 inhabitants)
99 Km E of Civitavecchia (52991 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 2.3
ML-VAX 1.6
1992-05-12
07:23:59
42.506 12.859 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 164369
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-05-12 07:23:59 ± 0.277
Latitude 42.5060 ± 0.0221
Longitude 12.8590 ± 0.0344
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 164369

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) 3739.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00890
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 164369
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:33:40

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 164369
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
--.ARV.Z. 1992-05-12T07:24:32.00 10.0 undecidable manual SG 3 0.9879 -0.94 0.2
--.CIO.Z. 1992-05-12T07:24:23.10 10.0 undecidable manual SG 16 0.7104 -1.02 0.2
--.ASS.Z. 1992-05-12T07:24:20.89 10.0 undecidable manual SG 344 0.5772 1.36 0.1
--.ALP.Z. 1992-05-12T07:24:20.00 10.0 undecidable manual SG 61 0.5883 0.07 0.7
--.ARV.Z. 1992-05-12T07:24:18.50 10.0 undecidable manual PG 3 0.9879 -0.15 1.3
--.RMF.Z. 1992-05-12T07:24:17.10 10.0 undecidable manual SG 29 0.5106 -0.51 0.8
--.CIO.Z. 1992-05-12T07:24:13.10 10.0 undecidable manual PG 16 0.7104 -0.46 1.3
--.ASS.Z. 1992-05-12T07:24:11.57 10.0 undecidable manual PG 344 0.5772 0.67 1
--.ALP.Z. 1992-05-12T07:24:11.70 10.0 undecidable manual PG 61 0.5883 0.56 1.2
--.RMF.Z. 1992-05-12T07:24:09.90 10.0 undecidable manual PG 29 0.5106 0.11 1.8
--.MNS.Z. 1992-05-12T07:24:05.27 10.0 undecidable manual SG 227 0.1665 -1.51 0
--.MNS.Z. 1992-05-12T07:24:03.74 10.0 negative manual PG 227 0.1665 0.2 3.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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