Earthquake with magnitude of Md 4.8 on date 21-08-2000 and time 19:14:28 (Italy) in region 2 km W Quattordio (AL)

A magnitude Md 4.8 earthquake occured in region: 2 km W Quattordio (AL), on

  • 21-08-2000 17:14:28 (UTC)
  • 21-08-2000 19:14:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.91, 8.39 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
Quattordio AL 2 1637 1637
Felizzano AL 4 2344 3981
Cerro Tanaro AT 4 626 4607
Masio AL 5 1420 6027
Refrancore AT 5 1591 7618
Rocchetta Tanaro AT 6 1450 9068
Castello di Annone AT 7 1860 10928
Fubine AL 7 1653 12581
Viarigi AT 9 929 13510
Rocca d'Arazzo AT 9 936 14446
Castagnole Monferrato AT 9 1245 15691
Quargnento AL 9 1398 17089
Oviglio AL 10 1265 18354
Solero AL 10 1645 19999
Altavilla Monferrato AL 10 468 20467
Belveglio AT 10 350 20817
Cortiglione AT 10 571 21388
Montemagno AT 10 1153 22541
Azzano d'Asti AT 10 391 22932
Bergamasco AL 10 744 23676
Scurzolengo AT 11 555 24231
Cuccaro Monferrato AL 11 340 24571
Carentino AL 11 340 24911
Incisa Scapaccino AT 11 2288 27199
Portacomaro AT 12 2006 29205
Vignale Monferrato AL 12 1006 30211
Castelnuovo Belbo AT 12 895 31106
Grana AT 12 600 31706
Mombercelli AT 12 2259 33965
Vinchio AT 12 601 34566
Camagna Monferrato AL 13 528 35094
Vaglio Serra AT 13 275 35369
Lu AL 13 1122 36491
Montaldo Scarampi AT 13 755 37246
Casorzo AT 14 633 37879
Bruno AT 14 321 38200
Conzano AL 14 979 39179
Frassinello Monferrato AL 14 502 39681
Asti AT 14 76202 115883
Borgoratto Alessandrino AL 14 584 116467
Frascaro AL 15 440 116907
Vigliano d'Asti AT 15 835 117742
Olivola AL 15 122 117864
Mongardino AT 15 921 118785
Montegrosso d'Asti AT 15 2344 121129
Calliano AT 15 1317 122446
Nizza Monferrato AT 15 10429 132875
Castelnuovo Calcea AT 15 759 133634
Grazzano Badoglio AT 16 615 134249
Mombaruzzo AT 16 1117 135366
Castelletto Monferrato AL 16 1537 136903
Castell'Alfero AT 16 2763 139666
Gamalero AL 16 844 140510
Castellazzo Bormida AL 17 4570 145080
Ottiglio AL 17 629 145709
Agliano Terme AT 17 1642 147351
San Salvatore Monferrato AL 17 4299 151650
Fontanile AT 17 567 152217
Penango AT 18 488 152705
Castelletto Molina AT 18 180 152885
Maranzana AT 18 277 153162
Mirabello Monferrato AL 18 1374 154536
Alessandria AL 18 93943 248479
Quaranti AT 18 183 248662
Moasca AT 18 494 249156
San Marzano Oliveto AT 19 1047 250203
Isola d'Asti AT 19 2071 252274
Cella Monte AL 19 495 252769
Revigliasco d'Asti AT 19 767 253536
Moncalvo AT 19 3033 256569
Sala Monferrato AL 19 352 256921
Rosignano Monferrato AL 19 1568 258489
Castelspina AL 19 416 258905
Calamandrana AT 19 1761 260666
Occimiano AL 20 1319 261985
Frinco AT 20 768 262753
Sezzadio AL 20 1246 263999
Terruggia AL 20 936 264935

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Asti (76202 inhabitants)
18 Km W of Alessandria (93943 inhabitants)
56 Km E of Moncalieri (57294 inhabitants)
59 Km E of Torino (890529 inhabitants)
59 Km SW of Vigevano (63310 inhabitants)
63 Km SW of Novara (104380 inhabitants)
67 Km N of Savona (61345 inhabitants)
68 Km W of Pavia (72576 inhabitants)
70 Km NW of Genova (586655 inhabitants)
86 Km SW of Rho (50434 inhabitants)
87 Km SW of Busto Arsizio (83106 inhabitants)
87 Km SW of Legnano (60262 inhabitants)
87 Km NE of Cuneo (56081 inhabitants)
89 Km SW of Milano (1345851 inhabitants)
90 Km SW of Gallarate (53343 inhabitants)
96 Km SW of Sesto San Giovanni (81608 inhabitants)
97 Km SW of Cinisello Balsamo (75078 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
Rev 1000 Md 4.8
ML-VAX 4.3
2000-08-21
17:14:28
44.91 8.39 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 401349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2000-08-21 17:14:28 ± 0.229
Latitude 44.91 ± 0.02
Longitude 8.39 ± 0.03
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 401349

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) 2722.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 57
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) 0.00437
Epicentral distance of station farthest from the epicenter (degree) 0.07156
Number of stations at which the event was observed 45
Number of stations from which data was used for origin computation 45
Magnitudes information

Md:4.8

Field Value
Value 4.8
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 401349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:17:31

ML:4.3

Field Value
Value 4.3
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 401349
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 Takeoff_angle Residual Weight
--.RGNG.Z. 2000-08-21T17:17:07.65 10.0 undecidable manual SN 119 0.0554 1.27 0.1
--.SA1.Z. 2000-08-21T17:16:25.61 10.0 undecidable manual PN 140 0.0716 1.27 0.3
--.ERC.Z. 2000-08-21T17:16:20.32 10.0 undecidable manual PN 153 0.0679 1.54 0.2
--.MNS.Z. 2000-08-21T17:16:16.42 10.0 undecidable manual SN 127 0.0359 1.23 0.2
--.MGR.Z. 2000-08-21T17:16:14.41 10.0 positive manual PN 129 0.0639 1.68 0.3
--.USI.Z. 2000-08-21T17:16:14.15 10.0 undecidable manual PN 148 0.0644 0.91 0.5
--.SL9.Z. 2000-08-21T17:16:12.96 10.0 undecidable manual PN! 127 0.0628 2.03 0
--.PTCC.Z. 2000-08-21T17:16:10.36 10.0 undecidable manual SN 64 0.034 0.45 0.4
--.GE9.Z. 2000-08-21T17:16:08.36 10.0 undecidable manual SN! 65 0.0323 2.82 0
--.MU9.Z. 2000-08-21T17:16:08.84 10.0 undecidable manual PN! 126 0.0598 2.43 0
--.SGO.Z. 2000-08-21T17:16:07.63 10.0 negative manual PN 128 0.0601 0.77 1.2
--.CI9.Z. 2000-08-21T17:16:02.98 10.0 undecidable manual PN 127 0.0568 1.11 0.4
--.FG5.Z. 2000-08-21T17:15:59.88 10.0 undecidable manual PN 123 0.0557 -0.2 0.9
--.RGNG.Z. 2000-08-21T17:15:58.22 10.0 positive manual PN 119 0.0554 -1.33 0.6
--.PSB1.Z. 2000-08-21T17:15:58.98 10.0 undecidable manual PN! 125 0.0536 2.05 0
--.VTB1.Z. 2000-08-21T17:15:57.19 10.0 undecidable manual PN 127 0.0529 1.31 0.3
--.RFI.Z. 2000-08-21T17:15:52.28 10.0 undecidable manual PN! 129 0.049 2.41 0
--.CRVI.Z. 2000-08-21T17:15:51.22 10.0 undecidable manual PN! 124 0.0482 2.66 0
--.SDI.Z. 2000-08-21T17:15:45.54 10.0 negative manual PN 127 0.0457 0.77 1.5
--.SFI.Z. 2000-08-21T17:15:44.60 10.0 undecidable manual SN 110 0.024 0.57 0.4
--.CSNT.Z. 2000-08-21T17:15:42.25 10.0 undecidable manual SN! 123 0.0227 2.07 0
--.BS9.Z. 2000-08-21T17:15:42.97 10.0 undecidable manual SN 102 0.0242 -1.25 0.2
--.CTI.Z. 2000-08-21T17:15:41.63 10.0 undecidable manual SN 62 0.023 0.8 0.3
--.PQ9.Z. 2000-08-21T17:15:40.00 10.0 negative manual PN 126 0.0418 1.2 0.9
--.AQU.Z. 2000-08-21T17:15:37.21 10.0 undecidable manual PN 123 0.0399 1.24 0.4
--.MA9.Z. 2000-08-21T17:15:35.58 10.0 undecidable manual PN 133 0.0397 -0.09 1.1
--.MNS.Z. 2000-08-21T17:15:29.77 10.0 negative manual PN 127 0.0359 -0.22 2.3
--.NRCA.Z. 2000-08-21T17:15:28.74 10.0 negative manual PN 119 0.0359 -1.07 1.2
--.TRI.Z. 2000-08-21T17:15:27.24 10.0 negative manual PN 76 0.0347 -0.87 1.5
--.PTCC.Z. 2000-08-21T17:15:26.69 10.0 positive manual PN 64 0.034 -0.25 2.4
--.GE9.Z. 2000-08-21T17:15:24.51 10.0 positive manual PN 65 0.0323 0.09 2.5
--.SNTG.Z. 2000-08-21T17:15:24.62 10.0 negative manual PN 115 0.0329 -0.74 1.8
--.ARV.Z. 2000-08-21T17:15:23.62 10.0 positive manual PN 111 0.032 -0.27 2.4
--.ASS.Z. 2000-08-21T17:15:23.14 10.0 positive manual PN 119 0.0321 -1.07 1.3
--.FVI.Z. 2000-08-21T17:15:23.89 10.0 positive manual PN 59 0.0314 0.81 1.7
--.FB9.Z. 2000-08-21T17:15:21.86 10.0 positive manual PN 109 0.0303 0.56 2.1
--.BS9.Z. 2000-08-21T17:15:14.43 10.0 undecidable manual PN! 102 0.0242 2.32 0
--.SFI.Z. 2000-08-21T17:15:11.29 10.0 positive manual PN 110 0.024 -0.4 2.3
--.CTI.Z. 2000-08-21T17:15:10.16 10.0 positive manual PN 62 0.023 0 2.5
--.GRFL.Z. 2000-08-21T17:15:10.45 10.0 undecidable manual PN 132 0.023 0.22 1.2
--.PGD.Z. 2000-08-21T17:15:09.69 10.0 undecidable manual PN 112 0.0233 -1.02 0.7
--.CSNT.Z. 2000-08-21T17:15:08.63 10.0 positive manual PN 123 0.0227 -1.15 1.1
--.BNI.Z. 2000-08-21T17:15:07.70 10.0 undecidable manual SN 277 0.0109 -1.32 0.2
--.MCGN.Z. 2000-08-21T17:15:04.11 10.0 undecidable manual SN 345 0.0097 -1.8 0.1
--.BR9.Z. 2000-08-21T17:15:04.57 10.0 positive manual PN 40 0.0188 0.76 1.8
--.ZC9.Z. 2000-08-21T17:15:04.30 10.0 positive manual PN! 105 0.0172 2.8 0
--.VAI.Z. 2000-08-21T17:15:03.42 10.0 undecidable manual SG 15 0.0089 0.34 0.5
--.PII.Z. 2000-08-21T17:14:59.86 10.0 positive manual PN 126 0.0174 -1.78 0.4
--.GU9.Z. 2000-08-21T17:14:58.56 10.0 positive manual PN 108 0.0149 0.67 1.9
--.SAL.Z. 2000-08-21T17:14:57.87 10.0 positive manual PN 64 0.0149 0.01 2.5
--.EB9.Z. 2000-08-21T17:14:55.98 10.0 positive manual PN 107 0.0137 0.02 2.5
--.BNI.Z. 2000-08-21T17:14:51.38 10.0 positive manual PN 277 0.0109 -0.41 2.3
--.MCGN.Z. 2000-08-21T17:14:50.16 10.0 positive manual PN 345 0.0097 0.16 2.5
--.VAI.Z. 2000-08-21T17:14:48.93 10.0 positive manual PG 15 0.0089 0.57 2.1
--.CKI.Z. 2000-08-21T17:14:46.29 10.0 undecidable manual SG 188 0.0044 -0.68 0.4
--.BOB.Z. 2000-08-21T17:14:42.49 10.0 positive manual PG 100 0.0068 -1.59 0.5
--.CKI.Z. 2000-08-21T17:14:36.32 10.0 positive manual PG! 188 0.0044 -2.74 0
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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Type Description Link
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