Earthquake with magnitude of Md 2.3 on date 21-05-2001 and time 12:19:50 (Italy) in region 7 km W Monte Cavallo (MC)

A magnitude Md 2.3 earthquake occured in region: 7 km W Monte Cavallo (MC), on

  • 21-05-2001 10:19:50 (UTC)
  • 21-05-2001 12:19:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0090, 12.9230 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 7 145 145
Serravalle di Chienti MC 8 1070 1215
Pieve Torina MC 11 1458 2673
Muccia MC 13 915 3588
Sellano PG 13 1079 4667
Fiordimonte MC 14 202 4869
Pievebovigliana MC 15 866 5735
Valtopina PG 15 1398 7133
Sefro MC 16 422 7555
Nocera Umbra PG 16 5839 13394
Visso MC 16 1107 14501
Preci PG 17 724 15225
Camerino MC 18 6974 22199
Foligno PG 19 57155 79354
Ussita MC 19 444 79798
Fiastra MC 19 559 80357
Pioraco MC 20 1134 81491
Fiuminata MC 20 1402 82893

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Foligno (57155 inhabitants)
45 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
75 Km NW of Teramo (54892 inhabitants)
83 Km NW of L'Aquila (69753 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
93 Km S of Fano (60888 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
98 Km SE of Arezzo (99543 inhabitants)
100 Km S of Pesaro (94582 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 1.5
2001-05-21
10:19:50
43.009 12.923 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 418359
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-05-21 10:19:50 ± 0.192
Latitude 43.0090 ± 0.0102
Longitude 12.9230 ± 0.0156
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 418359

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) 1703.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00583
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 418359
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:34:20

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 418359
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
--.MNS.Z. 2001-05-21T10:20:14.60 10.0 undecidable manual SG 196 0.6438 0.11 0.6
--.MNS.Z. 2001-05-21T10:20:04.36 10.0 undecidable manual PG 196 0.6438 0.42 1
--.SNTG.Z. 2001-05-21T10:20:00.88 10.0 undecidable manual SG 3 0.2442 0.99 0.1
--.NRCA.Z. 2001-05-21T10:19:59.50 10.0 undecidable manual SG 141 0.2109 0.44 0.6
--.ASS.Z. 2001-05-21T10:19:57.99 10.0 undecidable manual SG 285 0.1998 -0.34 0.7
--.SNTG.Z. 2001-05-21T10:19:55.43 10.0 undecidable manual PG 3 0.2442 -0.39 1.6
--.ASS.Z. 2001-05-21T10:19:54.91 10.0 undecidable manual PG 285 0.1998 -0.01 2.3
--.NRCA.Z. 2001-05-21T10:19:54.83 10.0 undecidable manual PG 141 0.2109 -0.51 1.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download