Earthquake with magnitude of Md 3.3 on date 08-05-1990 and time 21:58:28 (Italy) in region 2 km SE Sansepolcro (AR)

A magnitude Md 3.3 earthquake occured in region: 2 km SE Sansepolcro (AR), on

  • 08-05-1990 19:58:28 (UTC)
  • 08-05-1990 21:58:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.56, 12.15 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
Sansepolcro AR 2 15884 15884
San Giustino PG 2 11297 27181
Citerna PG 7 3531 30712
Anghiari AR 8 5638 36350
Monterchi AR 9 1757 38107
CittĂ  di Castello PG 13 39913 78020
Monte Santa Maria Tiberina PG 13 1183 79203
Pieve Santo Stefano AR 15 3183 82386
Borgo Pace PU 16 606 82992
Caprese Michelangelo AR 17 1426 84418
Badia Tedalda AR 17 1087 85505
Mercatello sul Metauro PU 18 1378 86883

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Arezzo (99543 inhabitants)
54 Km NW of Perugia (166134 inhabitants)
65 Km S of Cesena (96758 inhabitants)
65 Km SW of Rimini (147750 inhabitants)
71 Km E of Siena (53903 inhabitants)
73 Km SW of Pesaro (94582 inhabitants)
75 Km S of Forlì (117913 inhabitants)
76 Km E of Firenze (382808 inhabitants)
77 Km W of Fano (60888 inhabitants)
80 Km NW of Foligno (57155 inhabitants)
81 Km E of Scandicci (50609 inhabitants)
84 Km S of Faenza (58541 inhabitants)
92 Km E of Prato (191150 inhabitants)
95 Km SE of Imola (69797 inhabitants)
96 Km S of Ravenna (159116 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 3.3
M 3.2
1990-05-08
19:58:28
43.56 12.15 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 117569
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-08 19:58:28 ± 0.128
Latitude 43.56 ± 0.01
Longitude 12.15 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 117569

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) 1640.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 67
Number of defining phases 67
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.06201
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 41
Magnitudes information

Md:3.3

Field Value
Value 3.3
Uncertainty
Num. used stations 12
Type of magnitude Md
Reference to an origin 117569
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:49:12

M:3.2

Field Value
Value 3.2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 117569
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:42:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LOR.Z. 1990-05-08T20:01:25.90 10.0 undecidable manual SN 305 0.062 1.13 0.2
--.SMF.Z. 1990-05-08T20:01:20.10 10.0 undecidable manual SN 300 0.0596 1.84 0.1
--.HAU.Z. 1990-05-08T20:01:04.10 10.0 undecidable manual SN 319 0.0541 0.44 0.4
--.CDF.Z. 1990-05-08T20:01:02.70 10.0 undecidable manual SN 326 0.0532 1.27 0.2
--.BSF.Z. 1990-05-08T20:00:56.60 10.0 undecidable manual SN 320 0.0511 0.82 0.3
--.LPG.Z. 1990-05-08T20:00:25.60 10.0 undecidable manual SN! 298 0.0388 2.38 0
--.LRG.Z. 1990-05-08T20:00:22.00 10.0 undecidable manual SN 270 0.0377 1.37 0.2
--.LOR.Z. 1990-05-08T20:00:12.70 10.0 undecidable manual PN! 305 0.062 2.23 0
--.SMF.Z. 1990-05-08T20:00:08.40 10.0 undecidable manual PN 300 0.0596 1.7 0.2
--.KBA.Z. 1990-05-08T20:00:07.90 10.0 undecidable manual SN 12 0.0325 1.12 0.5
--.HAU.Z. 1990-05-08T19:59:59.40 10.0 undecidable manual PN 319 0.0541 1.13 0.6
--.CDF.Z. 1990-05-08T19:59:57.60 10.0 undecidable manual PN 326 0.0532 0.61 0.9
--.BSF.Z. 1990-05-08T19:59:54.80 10.0 undecidable manual PN 320 0.0511 1.07 0.6
--.LJU.Z. 1990-05-08T19:59:53.50 10.0 undecidable manual SN 33 0.027 1.35 0.3
--.CKI.Z. 1990-05-08T19:59:50.00 10.0 undecidable manual SN 288 0.0262 -0.11 0.7
--.PGF.Z. 1990-05-08T19:59:41.10 10.0 undecidable manual SN 247 0.0226 0.52 0.7
--.LPG.Z. 1990-05-08T19:59:36.20 10.0 undecidable manual PN 298 0.0388 1.27 0.6
--.LRG.Z. 1990-05-08T19:59:33.70 10.0 undecidable manual PN 270 0.0377 0.27 1.4
--.FRF.Z. 1990-05-08T19:59:31.00 10.0 undecidable manual PN 271 0.0359 0.48 1.3
--.PTJ.Z. 1990-05-08T19:59:27.70 10.0 undecidable manual PN! 47 0.0322 2.66 0
--.KBA.Z. 1990-05-08T19:59:26.90 10.0 negative manual PN 12 0.0325 1.46 1
--.SBF.Z. 1990-05-08T19:59:22.70 10.0 undecidable manual PN 276 0.0308 -0.05 1.6
--.FVI.Z. 1990-05-08T19:59:18.36 10.0 undecidable manual PN 7 0.0275 0.48 1.5
--.LJU.Z. 1990-05-08T19:59:17.00 10.0 undecidable manual PN 33 0.027 0.02 1.7
--.CKI.Z. 1990-05-08T19:59:15.39 10.0 undecidable manual PN 288 0.0262 -0.42 1.6
--.ALP.Z. 1990-05-08T19:59:15.91 10.0 undecidable manual SN! 126 0.0116 4.41 0
--.MDI.Z. 1990-05-08T19:59:14.27 10.0 undecidable manual PN 322 0.0253 -0.17 1.8
--.VOY.Z. 1990-05-08T19:59:13.80 10.0 undecidable manual PN 25 0.0249 0.08 1.8
--.CTI.Z. 1990-05-08T19:59:10.39 10.0 undecidable manual PN 351 0.0226 0.1 1.9
--.MNS.Z. 1990-05-08T19:59:10.93 10.0 undecidable manual SN 161 0.0111 0.77 0.6
--.BDI.Z. 1990-05-08T19:59:10.35 10.0 undecidable manual SN 294 0.011 0.31 0.7
--.PGF.Z. 1990-05-08T19:59:10.40 10.0 undecidable manual PN 247 0.0226 0.09 1.9
--.DUI.Z. 1990-05-08T19:59:09.00 10.0 undecidable manual PN 137 0.0229 -1.73 0.4
--.MME.Z. 1990-05-08T19:59:09.51 10.0 undecidable manual SN 301 0.011 -0.39 0.7
--.SAL.Z. 1990-05-08T19:59:08.50 10.0 undecidable manual PN 330 0.0211 0.41 1.8
--.TRI.Z. 1990-05-08T19:59:08.50 10.0 undecidable manual PN 27 0.0219 -0.73 1.5
--.BOB.Z. 1990-05-08T19:59:07.50 10.0 undecidable manual PN 302 0.0206 0.35 1.8
--.PII.Z. 1990-05-08T19:59:07.87 10.0 undecidable manual SN 278 0.0107 -1.2 0.4
--.AOI.Z. 1990-05-08T19:59:06.52 10.0 undecidable manual SG 89 0.0094 1.02 0.7
--.SDI.Z. 1990-05-08T19:59:06.00 10.0 undecidable manual PN 145 0.0199 -0.18 1.9
--.RMF.Z. 1990-05-08T19:59:05.40 10.0 undecidable manual SG 127 0.0087 1.83 0.2
--.AZI.Z. 1990-05-08T19:59:02.50 10.0 undecidable manual PN 148 0.0164 1.57 0.5
--.RDP.Z. 1990-05-08T19:59:01.00 10.0 undecidable manual PN 166 0.0166 -0.13 1.9
--.CIO.Z. 1990-05-08T19:58:59.15 10.0 undecidable manual SG 116 0.0072 1.43 0.4
--.AQU.Z. 1990-05-08T19:58:55.91 10.0 undecidable manual PN 142 0.0136 -0.63 1.6
--.ALP.Z. 1990-05-08T19:58:54.14 10.0 undecidable manual PN 126 0.0116 0.62 1.6
--.MNS.Z. 1990-05-08T19:58:53.49 10.0 undecidable manual PN 161 0.0111 0.75 1.4
--.ASS.Z. 1990-05-08T19:58:52.58 10.0 undecidable manual SG 143 0.0055 1.02 0.4
--.MME.Z. 1990-05-08T19:58:52.10 10.0 undecidable manual PN 301 0.011 -0.49 1.7
--.FIR.Z. 1990-05-08T19:58:52.00 10.0 undecidable manual SG 288 0.0062 -1.77 0.1
--.PII.Z. 1990-05-08T19:58:51.30 10.0 undecidable manual PN 278 0.0107 -0.82 1.3
--.BDI.Z. 1990-05-08T19:58:51.28 10.0 undecidable manual PN 294 0.011 -1.39 0.7
--.ARV.Z. 1990-05-08T19:58:50.40 10.0 undecidable manual SG 95 0.0052 -0.29 0.7
--.AOI.Z. 1990-05-08T19:58:49.22 10.0 undecidable manual PG 89 0.0094 -0.84 1.3
--.RMF.Z. 1990-05-08T19:58:48.48 10.0 undecidable manual PG 127 0.0087 -0.26 3.7
--.CIO.Z. 1990-05-08T19:58:44.27 10.0 undecidable manual PG 116 0.0072 -1.29 0.8
--.SFI.Z. 1990-05-08T19:58:44.46 10.0 undecidable manual SG 327 0.0036 -0.37 0.7
--.PGD.Z. 1990-05-08T19:58:44.50 10.0 undecidable manual SG 315 0.004 -1.59 0.2
--.RSM.Z. 1990-05-08T19:58:44.97 10.0 undecidable manual SG 29 0.0038 -0.58 0.6
--.ASS.Z. 1990-05-08T19:58:41.27 10.0 undecidable manual PG 143 0.0055 -0.73 1.5
--.FIR.Z. 1990-05-08T19:58:41.50 10.0 undecidable manual PG 288 0.0062 -1.78 0.4
--.ARV.Z. 1990-05-08T19:58:39.99 10.0 positive manual PG 95 0.0052 -1.3 1.6
--.RSM.Z. 1990-05-08T19:58:37.58 10.0 positive manual PG 29 0.0038 -0.96 2.4
--.PGD.Z. 1990-05-08T19:58:37.15 10.0 undecidable manual PG 315 0.004 -1.7 0.4
--.SFI.Z. 1990-05-08T19:58:36.34 10.0 undecidable manual PG! 327 0.0036 -1.77 0
--.CRE.Z. 1990-05-08T19:58:34.72 10.0 undecidable manual SG 292 0.0014 -0.58 0.6
--.CRE.Z. 1990-05-08T19:58:32.31 10.0 positive manual PG 292 0.0014 -0.3 3.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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