Earthquake with magnitude of Md 2.4 on date 19-04-1993 and time 18:55:26 (UTC) in region E Chiusi della Verna (AR)

A magnitude Md 2.4 earthquake occured in region: E Chiusi della Verna (AR), on

  • 19-04-1993 18:55:26 (UTC)
  • 19-04-1993 20:55:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6990, 11.9410 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
Chiusi della Verna AR 0 2023 2023
Chitignano AR 6 899 2922
Caprese Michelangelo AR 7 1426 4348
Pieve Santo Stefano AR 9 3183 7531
Bibbiena AR 10 12241 19772
Castel Focognano AR 10 3149 22921
Verghereto FC 12 1907 24828
Poppi AR 14 6160 30988
Subbiano AR 15 6331 37319
Ortignano Raggiolo AR 15 878 38197
Talla AR 16 1062 39259
Capolona AR 16 5438 44697
Bagno di Romagna FC 18 6026 50723
Castel San Niccolò AR 20 2707 53430
Badia Tedalda AR 20 1087 54517
Anghiari AR 20 5638 60155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km N of Arezzo (99543 inhabitants)
54 Km SW of Cesena (96758 inhabitants)
56 Km E of Firenze (382808 inhabitants)
59 Km S of Forlì (117913 inhabitants)
61 Km E of Scandicci (50609 inhabitants)
64 Km SW of Rimini (147750 inhabitants)
65 Km NE of Siena (53903 inhabitants)
66 Km S of Faenza (58541 inhabitants)
71 Km E of Prato (191150 inhabitants)
75 Km S of Imola (69797 inhabitants)
75 Km NW of Perugia (166134 inhabitants)
82 Km W of Pesaro (94582 inhabitants)
83 Km S of Ravenna (159116 inhabitants)
86 Km E of Pistoia (90315 inhabitants)
88 Km W 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 1993-04-19
18:55:26
43.699 11.941 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 183669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-04-19 18:55:26 ± 0.291
Latitude 43.6990 ± 0.0201
Longitude 11.9410 ± 0.0627
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 183669

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) 5509.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00737
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 183669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:52:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 1993-04-19T18:55:56.23 10.0 undecidable manual SG 140 0.8214 0.84 0.2
--.ARV.Z. 1993-04-19T18:55:51.34 10.0 undecidable manual SG 105 0.7437 -1.9 0
--.ARV.Z. 1993-04-19T18:55:43.11 10.0 undecidable manual PG 105 0.7437 1.3 0.2
--.ASS.Z. 1993-04-19T18:55:42.83 10.0 undecidable manual PG 140 0.8214 -0.22 1
--.PGD.Z. 1993-04-19T18:55:36.53 10.0 undecidable manual SG 318 0.2331 1.05 0.2
--.SFI.Z. 1993-04-19T18:55:34.73 10.0 undecidable manual SG 341 0.2109 0.04 0.6
--.PGD.Z. 1993-04-19T18:55:31.36 10.0 undecidable manual PG 318 0.2331 -0.2 1.5
--.SFI.Z. 1993-04-19T18:55:30.72 10.0 positive manual PG 341 0.2109 -0.38 2.7
--.CRE.Z. 1993-04-19T18:55:29.36 10.0 undecidable manual SG 174 0.0666 -0.35 0.5
--.CRE.Z. 1993-04-19T18:55:28.60 10.0 positive manual PG 174 0.0666 -0.16 3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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