Earthquake with magnitude of Md 2.5 on date 30-04-1992 and time 12:22:48 (UTC) in region 4 km N Monte Cavallo (MC)

A magnitude Md 2.5 earthquake occured in region: 4 km N Monte Cavallo (MC), on

  • 30-04-1992 12:22:48 (UTC)
  • 30-04-1992 14:22:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.03, 13 at 2 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
Monte Cavallo MC 4 145 145
Pieve Torina MC 4 1458 1603
Serravalle di Chienti MC 6 1070 2673
Muccia MC 7 915 3588
Fiordimonte MC 7 202 3790
Pievebovigliana MC 7 866 4656
Fiastra MC 12 559 5215
Camerino MC 13 6974 12189
Visso MC 13 1107 13296
Sefro MC 14 422 13718
Acquacanina MC 14 121 13839
Ussita MC 15 444 14283
Pioraco MC 17 1134 15417
Sellano PG 17 1079 16496
Preci PG 17 724 17220
Bolognola MC 19 142 17362
Fiuminata MC 19 1402 18764
Castelsantangelo sul Nera MC 19 281 19045
Nocera Umbra PG 20 5839 24884

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
60 Km NE of Terni (111501 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
82 Km NW of L'Aquila (69753 inhabitants)
90 Km S of Fano (60888 inhabitants)
98 Km S of Pesaro (94582 inhabitants)
100 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
Rev 1000 Md 2.5
ML-VAX 2.5
1992-04-30
12:22:48
43.03 13.01 2 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 163349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-04-30 12:22:48 ± 0.162
Latitude 43.03 ± 0.01
Longitude 13.01 ± 0.01
Depth (km) 2 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 163349

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) 1382
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.01303
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 163349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:32:39

ML:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 163349
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 Takeoff_angle Residual Weight
--.SDI.Z. 1992-04-30T12:23:36.34 10.0 undecidable manual SN 155 0.013 0.77 0.2
--.CRE.Z. 1992-04-30T12:23:22.13 10.0 undecidable manual SG 308 0.0087 -0.85 0.2
--.SDI.Z. 1992-04-30T12:23:17.71 10.0 undecidable manual PN! 155 0.013 2 0
--.MNS.Z. 1992-04-30T12:23:13.81 10.0 undecidable manual SG 200 0.0062 -0.23 0.6
--.CRE.Z. 1992-04-30T12:23:09.30 10.0 undecidable manual PG 308 0.0087 0.86 0.4
--.ALP.Z. 1992-04-30T12:23:06.40 10.0 undecidable manual SG 121 0.0043 -0.73 0.5
--.ARV.Z. 1992-04-30T12:23:06.14 10.0 undecidable manual SG 354 0.0042 -0.55 0.5
--.MNS.Z. 1992-04-30T12:23:02.71 10.0 undecidable manual PG 200 0.0062 -0.57 1
--.ALP.Z. 1992-04-30T12:22:58.30 10.0 undecidable manual PG 121 0.0043 -0.99 0.4
--.ARV.Z. 1992-04-30T12:22:58.76 10.0 undecidable manual PG 354 0.0042 -0.28 1.7
--.ASS.Z. 1992-04-30T12:22:58.82 10.0 undecidable manual SG 277 0.0023 0.2 0.7
--.CIO.Z. 1992-04-30T12:22:56.10 10.0 undecidable manual SG 31 0.0017 0.07 1.1
--.RMF.Z. 1992-04-30T12:22:55.60 10.0 undecidable manual SG 117 0.0015 0.53 0.7
--.ASS.Z. 1992-04-30T12:22:54.51 10.0 undecidable manual PG 277 0.0023 0.14 1.8
--.CIO.Z. 1992-04-30T12:22:52.90 10.0 undecidable manual PG 31 0.0017 0.02 3.8
--.RMF.Z. 1992-04-30T12:22:52.90 10.0 undecidable manual PG 117 0.0015 0.57 2.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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