Earthquake with magnitude of Md 2.5 on date 23-01-1993 and time 13:59:15 (UTC) in region 5 km E San Giustino (PG)

A magnitude Md 2.5 earthquake occured in region: 5 km E San Giustino (PG), on

  • 23-01-1993 13:59:15 (UTC)
  • 23-01-1993 14:59:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5650, 12.2350 at 10 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
San Giustino PG 5 11297 11297
Sansepolcro AR 8 15884 27181
Borgo Pace PU 12 606 27787
CittĂ  di Castello PG 12 39913 67700
Citerna PG 12 3531 71231
Mercatello sul Metauro PU 12 1378 72609
Monterchi AR 13 1757 74366
Anghiari AR 15 5638 80004
Apecchio PU 15 1882 81886
Monte Santa Maria Tiberina PG 15 1183 83069
Badia Tedalda AR 16 1087 84156
Sestino AR 17 1355 85511
Sant'Angelo in Vado PU 18 4133 89644
Pieve Santo Stefano AR 19 3183 92827

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Arezzo (99543 inhabitants)
52 Km N of Perugia (166134 inhabitants)
61 Km SW of Rimini (147750 inhabitants)
64 Km S of Cesena (96758 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
70 Km W of Fano (60888 inhabitants)
75 Km S of Forlì (117913 inhabitants)
78 Km NW of Foligno (57155 inhabitants)
78 Km E of Siena (53903 inhabitants)
82 Km E of Firenze (382808 inhabitants)
85 Km SE of Faenza (58541 inhabitants)
87 Km E of Scandicci (50609 inhabitants)
95 Km S of Ravenna (159116 inhabitants)
97 Km SE of Imola (69797 inhabitants)
98 Km E of Prato (191150 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 2.5
ML-VAX 1.7
1993-01-23
13:59:15
43.565 12.235 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 179219
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-01-23 13:59:15 ± 0.186
Latitude 43.5650 ± 0.0180
Longitude 12.2350 ± 0.0178
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 179219

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) 2458.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00526
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 179219
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:48:05

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 179219
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
--.ASS.Z. 1993-01-23T13:59:37.12 10.0 undecidable manual SG 148 0.5883 1.05 0.1
--.ARV.Z. 1993-01-23T13:59:33.88 10.0 undecidable manual SG 96 0.5106 0.01 0.8
--.PGD.Z. 1993-01-23T13:59:32.59 10.0 undecidable manual SG 309 0.4773 -0.16 0.8
--.SFI.Z. 1993-01-23T13:59:31.71 10.0 undecidable manual SG 320 0.4329 0.38 0.6
--.ASS.Z. 1993-01-23T13:59:27.70 10.0 undecidable manual PG 148 0.5883 -0.23 1.6
--.CRE.Z. 1993-01-23T13:59:25.50 10.0 undecidable manual SG 284 0.2109 0.99 0.1
--.PGD.Z. 1993-01-23T13:59:25.22 10.0 undecidable manual PG 309 0.4773 -0.16 1.9
--.ARV.Z. 1993-01-23T13:59:25.55 10.0 undecidable manual PG 96 0.5106 -0.48 1.3
--.SFI.Z. 1993-01-23T13:59:24.30 10.0 undecidable manual PG 320 0.4329 -0.54 1.2
--.RSM.Z. 1993-01-23T13:59:24.42 10.0 undecidable manual PG 22 0.3996 0.66 0.9
--.CRE.Z. 1993-01-23T13:59:20.00 10.0 undecidable manual PG 284 0.2109 -0.36 1.6
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