Earthquake with magnitude of Md 2.1 on date 24-03-1998 and time 11:12:01 (Italy) in region 6 km W Monte Cavallo (MC)

A magnitude Md 2.1 earthquake occured in region: 6 km W Monte Cavallo (MC), on

  • 24-03-1998 10:12:01 (UTC)
  • 24-03-1998 11:12:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9700, 12.9340 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
Sellano PG 9 1079 1224
Serravalle di Chienti MC 12 1070 2294
Pieve Torina MC 13 1458 3752
Preci PG 13 724 4476
Visso MC 13 1107 5583
Fiordimonte MC 15 202 5785
Muccia MC 16 915 6700
Pievebovigliana MC 16 866 7566
Cerreto di Spoleto PG 17 1075 8641
Ussita MC 17 444 9085
Valtopina PG 18 1398 10483
Trevi PG 18 8469 18952
Foligno PG 19 57155 76107
Fiastra MC 20 559 76666
Nocera Umbra PG 20 5839 82505
Sefro MC 20 422 82927
Castelsantangelo sul Nera MC 20 281 83208

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Foligno (57155 inhabitants)
47 Km E of Perugia (166134 inhabitants)
51 Km NE of Terni (111501 inhabitants)
72 Km W of Teramo (54892 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
98 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 2.1 1998-03-24
10:12:01
42.97 12.934 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 328149
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-03-24 10:12:01 ± 0.309
Latitude 42.9700 ± 0.0154
Longitude 12.9340 ± 0.0280
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 328149

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) 2849.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.00550
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 328149
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:07:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1998-03-24T10:12:21.39 10.0 undecidable manual SG 0 0.5217 -0.4 0.5
--.ARV.Z. 1998-03-24T10:12:13.17 10.0 undecidable manual PG 0 0.5217 -0.24 1.5
--.MNS.Z. 1998-03-24T10:12:13.39 10.0 undecidable manual PG 197 0.6105 -1.61 0.4
--.SNTG.Z. 1998-03-24T10:12:13.41 10.0 undecidable manual SG 1 0.2775 0.36 0.8
--.NRCA.Z. 1998-03-24T10:12:10.79 10.0 undecidable manual SG 136 0.1887 1.32 0.2
--.ASS.Z. 1998-03-24T10:12:10.82 10.0 undecidable manual SG 294 0.222 0.02 0.8
--.ASS.Z. 1998-03-24T10:12:08.90 10.0 undecidable manual PG 294 0.222 1.02 0.7
--.SNTG.Z. 1998-03-24T10:12:08.18 10.0 undecidable manual PG 1 0.2775 -0.18 2
--.NRCA.Z. 1998-03-24T10:12:06.44 10.0 undecidable manual PG 136 0.1887 0.14 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download