Earthquake with magnitude of Md 2.4 on date 24-03-1998 and time 20:55:41 (Italy) in region 6 km W Monte Cavallo (MC)

A magnitude Md 2.4 earthquake occured in region: 6 km W Monte Cavallo (MC), on

  • 24-03-1998 19:55:41 (UTC)
  • 24-03-1998 20:55:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9860, 12.9240 at 5 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 6 145 145
Serravalle di Chienti MC 10 1070 1215
Sellano PG 11 1079 2294
Pieve Torina MC 12 1458 3752
Muccia MC 15 915 4667
Visso MC 15 1107 5774
Fiordimonte MC 15 202 5976
Preci PG 15 724 6700
Pievebovigliana MC 16 866 7566
Valtopina PG 16 1398 8964
Nocera Umbra PG 18 5839 14803
Ussita MC 18 444 15247
Sefro MC 18 422 15669
Foligno PG 18 57155 72824
Cerreto di Spoleto PG 18 1075 73899
Trevi PG 19 8469 82368
Fiastra MC 20 559 82927

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
46 Km E of Perugia (166134 inhabitants)
52 Km NE of Terni (111501 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
96 Km S of Fano (60888 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 2.4
ML-VAX 2.2
1998-03-24
19:55:41
42.986 12.924 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 328219
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-03-24 19:55:41 ± 0.108
Latitude 42.9860 ± 0.0068
Longitude 12.9240 ± 0.0114
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 328219

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) 1194.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00639
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 328219
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:07:38

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 328219
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
--.FB9.Z. 1998-03-24T19:56:07.52 10.0 undecidable manual SG 351 0.7104 0.08 0.5
--.ARV.Z. 1998-03-24T19:56:01.00 10.0 undecidable manual SG 1 0.4995 0.01 0.6
--.FB9.Z. 1998-03-24T19:55:55.93 10.0 undecidable manual PG 351 0.7104 -0.62 0.2
--.ARV.Z. 1998-03-24T19:55:52.50 10.0 undecidable manual PG 1 0.4995 -0.32 0.9
--.SNTG.Z. 1998-03-24T19:55:52.82 10.0 undecidable manual SG 2 0.2553 0.66 0.1
--.ASS.Z. 1998-03-24T19:55:50.28 10.0 undecidable manual SG 291 0.2109 0.24 0.5
--.NRCA.Z. 1998-03-24T19:55:49.92 10.0 undecidable manual SG 137 0.1998 0.13 0.6
--.SNTG.Z. 1998-03-24T19:55:47.91 10.0 undecidable manual PG 2 0.2553 0.18 1.4
--.NRCA.Z. 1998-03-24T19:55:46.34 10.0 negative manual PG 137 0.1998 -0.01 3.5
--.ASS.Z. 1998-03-24T19:55:46.44 10.0 undecidable manual PG 291 0.2109 -0.06 1.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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