Earthquake with magnitude of Md 2.0 on date 30-05-1991 and time 15:08:48 (Italy) in region 2 km E Frinco (AT)

A magnitude Md 2.0 earthquake occured in region: 2 km E Frinco (AT), on

  • 30-05-1991 13:08:48 (UTC)
  • 30-05-1991 15:08:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.0010, 8.1950 at 13 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
Frinco AT 2 768 768
Castell'Alfero AT 2 2763 3531
Tonco AT 3 866 4397
Corsione AT 4 218 4615
Cossombrato AT 5 528 5143
Villa San Secondo AT 5 395 5538
Calliano AT 5 1317 6855
Alfiano Natta AL 5 744 7599
Penango AT 6 488 8087
Chiusano d'Asti AT 6 220 8307
Montechiaro d'Asti AT 7 1276 9583
Portacomaro AT 7 2006 11589
Settime AT 8 530 12119
Scurzolengo AT 8 555 12674
Cinaglio AT 8 446 13120
Moncalvo AT 8 3033 16153
Odalengo Piccolo AL 8 262 16415
Camerano Casasco AT 8 471 16886
Grana AT 8 600 17486
Villadeati AL 8 479 17965
Cortanze AT 8 277 18242
Cunico AT 9 496 18738
Castelletto Merli AL 9 476 19214
Soglio AT 9 145 19359
Castagnole Monferrato AT 10 1245 20604
Piea AT 10 583 21187
Murisengo AL 10 1436 22623
Grazzano Badoglio AT 10 615 23238
Montemagno AT 10 1153 24391
Montiglio Monferrato AT 11 1643 26034
Cortazzone AT 11 654 26688
Ponzano Monferrato AL 11 356 27044
Viale AT 11 257 27301
Asti AT 11 76202 103503
Casorzo AT 11 633 104136
Cortandone AT 12 329 104465
Monale AT 12 984 105449
Odalengo Grande AL 12 442 105891
Castellero AT 13 302 106193
PiovĂ  Massaia AT 13 637 106830
Ottiglio AL 13 629 107459
Baldichieri d'Asti AT 13 1110 108569
Viarigi AT 13 929 109498
Serralunga di Crea AL 13 562 110060
Montafia AT 13 937 110997
Cerrina Monferrato AL 14 1435 112432
Cerreto d'Asti AT 14 224 112656
Refrancore AT 14 1591 114247
Robella AT 14 473 114720
Cereseto AL 14 437 115157
Maretto AT 14 375 115532
Olivola AL 14 122 115654
Roatto AT 14 400 116054
Altavilla Monferrato AL 14 468 116522
Capriglio AT 15 290 116812
Passerano Marmorito AT 15 455 117267
Villamiroglio AL 15 306 117573
Azzano d'Asti AT 15 391 117964
Sala Monferrato AL 15 352 118316
Mombello Monferrato AL 15 1038 119354
Frassinello Monferrato AL 16 502 119856
Cocconato AT 16 1493 121349
Tigliole AT 16 1699 123048
Rocca d'Arazzo AT 16 936 123984
Villafranca d'Asti AT 16 3094 127078
Vignale Monferrato AL 16 1006 128084
Revigliasco d'Asti AT 16 767 128851
Solonghello AL 16 226 129077
Brozolo TO 16 471 129548
Castello di Annone AT 17 1860 131408
Mongardino AT 17 921 132329
Treville AL 17 281 132610
Celle Enomondo AT 17 484 133094
Cantarana AT 17 982 134076
Moncestino AL 17 213 134289
Pino d'Asti AT 18 230 134519
Cella Monte AL 18 495 135014
Gabiano AL 18 1167 136181
Antignano AT 18 974 137155
San Paolo Solbrito AT 18 1208 138363
Ozzano Monferrato AL 18 1436 139799
Moransengo AT 18 192 139991
Rosignano Monferrato AL 18 1568 141559
Fubine AL 19 1653 143212
Vigliano d'Asti AT 19 835 144047
Aramengo AT 19 607 144654
Camagna Monferrato AL 19 528 145182
Castelnuovo Don Bosco AT 19 3272 148454
Isola d'Asti AT 19 2071 150525
Verrua Savoia TO 19 1443 151968
Pontestura AL 19 1488 153456
Cerro Tanaro AT 19 626 154082
Buttigliera d'Asti AT 19 2626 156708
Camino AL 20 807 157515
Albugnano AT 20 529 158044
Dusino San Michele AT 20 1022 159066
Montaldo Scarampi AT 20 755 159821
Rocchetta Tanaro AT 20 1450 161271
Tonengo AT 20 236 161507
Montegrosso d'Asti AT 20 2344 163851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km N of Asti (76202 inhabitants)
35 Km W of Alessandria (93943 inhabitants)
40 Km E of Moncalieri (57294 inhabitants)
41 Km E of Torino (890529 inhabitants)
60 Km SW of Novara (104380 inhabitants)
63 Km SW of Vigevano (63310 inhabitants)
79 Km W of Pavia (72576 inhabitants)
80 Km NW of Savona (61345 inhabitants)
85 Km NE of Cuneo (56081 inhabitants)
86 Km SW of Busto Arsizio (83106 inhabitants)
87 Km SW of Legnano (60262 inhabitants)
87 Km SW of Gallarate (53343 inhabitants)
88 Km NW of Genova (586655 inhabitants)
89 Km SW of Rho (50434 inhabitants)
94 Km SW of Milano (1345851 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 2.0
M 2.5
1991-05-30
13:08:48
45.001 8.195 13 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 142199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-05-30 13:08:48 ± 0.218
Latitude 45.0010 ± 0.0096
Longitude 8.1950 ± 0.0232
Depth (km) 13 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 142199

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) 2114.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
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) 0.00469
Epicentral distance of station farthest from the epicenter (degree) 0.00996
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 142199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:12:45

M:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 142199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:48:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.IMI.Z. 1991-05-30T13:09:24.41 10.0 undecidable manual SN 191 1.11 -0.18 0.6
--.STV.Z. 1991-05-30T13:09:19.90 10.0 undecidable manual SN 219 0.9657 -1.33 0
--.DOI.Z. 1991-05-30T13:09:17.50 10.0 undecidable manual SG 234 0.8325 0.35 0.6
--.LSD.Z. 1991-05-30T13:09:16.83 10.0 undecidable manual SG 302 0.8547 -1.11 0.1
--.FIN.Z. 1991-05-30T13:09:15.57 10.0 undecidable manual SG 179 0.7881 -0.17 0.8
--.ROB.Z. 1991-05-30T13:09:14.16 10.0 undecidable manual SG 198 0.7326 0.28 0.7
--.ORX.Z. 1991-05-30T13:09:11.49 10.0 undecidable manual SG 346 0.6438 0.34 0.7
--.RSP.Z. 1991-05-30T13:09:11.60 10.0 undecidable manual SG 283 0.6771 -1.01 0.2
--.CKI.Z. 1991-05-30T13:09:09.00 10.0 undecidable manual SG 174 0.5772 -0.05 0.8
--.IMI.Z. 1991-05-30T13:09:09.83 10.0 undecidable manual PN 191 1.11 0.55 1
--.STV.Z. 1991-05-30T13:09:07.70 10.0 undecidable manual PN 219 0.9657 0.36 1.5
--.DOI.Z. 1991-05-30T13:09:06.00 10.0 undecidable manual PG 234 0.8325 1.02 0.4
--.PCP.Z. 1991-05-30T13:09:05.96 10.0 undecidable manual SG 151 0.5217 -1.12 0.1
--.LSD.Z. 1991-05-30T13:09:05.24 10.0 undecidable manual PG 302 0.8547 -0.2 1.8
--.FIN.Z. 1991-05-30T13:09:04.21 10.0 undecidable manual PG 179 0.7881 0.04 2
--.ROB.Z. 1991-05-30T13:09:03.51 10.0 undecidable manual PG 198 0.7326 0.42 1.5
--.BHB.Z. 1991-05-30T13:09:02.20 10.0 undecidable manual PG 256 0.6771 0.13 2
--.RSP.Z. 1991-05-30T13:09:01.65 10.0 undecidable manual PG 283 0.6771 -0.4 1.6
--.ORX.Z. 1991-05-30T13:09:01.96 10.0 undecidable manual PG 346 0.6438 0.45 1.5
--.CKI.Z. 1991-05-30T13:09:00.00 10.0 undecidable manual PG 174 0.5772 -0.3 1.8
--.PCP.Z. 1991-05-30T13:08:58.67 10.0 undecidable manual PG 151 0.5217 -0.5 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download