Earthquake with magnitude of ML 1.7 on date 30-06-2021 and time 16:47:24 (UTC) in region 3 km NW Pocapaglia (CN)

A magnitude ML 1.7 earthquake occured in region: 3 km NW Pocapaglia (CN), on

  • 30-06-2021 16:47:24 (UTC)
  • 30-06-2021 18:47:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.7400, 7.8580 at 46 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
Pocapaglia CN 3 3339 3339
Sommariva Perno CN 4 2797 6136
Sanfrè CN 5 3040 9176
Bra CN 5 29737 38913
Baldissero d'Alba CN 5 1069 39982
Montaldo Roero CN 6 844 40826
Sommariva del Bosco CN 7 6361 47187
Monticello d'Alba CN 7 2292 49479
Ceresole Alba CN 7 2090 51569
Monteu Roero CN 7 1634 53203
Santa Vittoria d'Alba CN 8 2795 55998
Corneliano d'Alba CN 8 2118 58116
Santo Stefano Roero CN 9 1390 59506
Piobesi d'Alba CN 10 1288 60794
Cherasco CN 10 9076 69870
Verduno CN 10 588 70458
Caramagna Piemonte CN 10 3034 73492
Vezza d'Alba CN 11 2287 75779
Montà CN 12 4733 80512
Roddi CN 12 1607 82119
Canale CN 12 5686 87805
Cervere CN 13 2236 90041
La Morra CN 13 2724 92765
Marene CN 13 3175 95940
Grinzane Cavour CN 14 1995 97935
Cavallermaggiore CN 14 5533 103468
Castagnito CN 14 2163 105631
Guarene CN 14 3596 109227
Pralormo TO 14 1957 111184
Castellinaldo d'Alba CN 14 938 112122
Racconigi CN 15 10038 122160
Alba CN 15 31437 153597
Cisterna d'Asti AT 15 1245 154842
Cavallerleone CN 15 644 155486
Cellarengo AT 16 720 156206
Barolo CN 16 740 156946
Castiglione Falletto CN 16 700 157646
Carmagnola TO 16 29079 186725
Narzole CN 16 3437 190162
Diano d'Alba CN 17 3570 193732
Magliano Alfieri CN 17 2153 195885
Priocca CN 17 2017 197902
Barbaresco CN 18 658 198560
Novello CN 18 987 199547
Serralunga d'Alba CN 18 564 200111
Ferrere AT 18 1608 201719
Salmour CN 19 704 202423
Savigliano CN 19 21441 223864
Treiso CN 19 820 224684
Isolabella TO 19 396 225080
Monchiero CN 19 571 225651
San Damiano d'Asti AT 20 8315 233966
Valfenera AT 20 2462 236428
Monasterolo di Savigliano CN 20 1371 237799
Monforte d'Alba CN 20 2056 239855
Montelupo Albese CN 20 529 240384
Lequio Tanaro CN 20 782 241166

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SE of Moncalieri (57294 inhabitants)
33 Km SW of Asti (76202 inhabitants)
40 Km SE of Torino (890529 inhabitants)
46 Km NE of Cuneo (56081 inhabitants)
63 Km W of Alessandria (93943 inhabitants)
69 Km NW of Savona (61345 inhabitants)
93 Km W of Genova (586655 inhabitants)
99 Km SW of Novara (104380 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
ML 1.7 2021-06-30
16:47:24
44.7405 7.8582 46 2021-12-29
11:12:10
Bollettino Sismico Italiano INGV 92661581
Reviewed
Rev100
ML 1.7 2021-06-30
16:47:25
44.6998 7.8443 35 2021-06-30
16:58:39
Sala Sismica INGV-Roma 92079891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-30 16:47:24 ± 0.16
Latitude 44.7405 ± 0.0090
Longitude 7.8582 ± 0.0152
Depth (km) 46 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 92661581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1189
Semi-minor axis of confidence ellipse (meter) 214
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.51
Epicentral distance of station closest to the epicenter (degree) 0.33635
Epicentral distance of station farthest from the epicenter (degree) 1.41283
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 92661581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-13 12:56:14

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 92079891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-30 16:58:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.BNI.HHN. 2021-06-30T16:47:54.06 0.6 undecidable manual S 291 98.9232 98 0.72 39
GU.RNCA.HHE. 2021-06-30T16:47:52.19 0.6 undecidable manual S 109 91.3419 99 0.48 44
GU.IMI.HHZ. 2021-06-30T16:47:52.47 0.3 undecidable manual S 178 92.1411 99 0.6 62
RD.ORIF.BHE. 2021-06-30T16:47:51.21 0.3 undecidable manual P 278 156.8208 94 2.83 6
GU.CIRO.HHZ. 2021-06-30T16:47:51.23 0.3 undecidable manual S 347 98.2239 98 -1.94 28
GU.LSD.HHN. 2021-06-30T16:47:51.89 0.3 undecidable manual S 325 97.8243 98 -1.21 47
GU.RRL.HHZ. 2021-06-30T16:47:51.14 0.6 undecidable manual S 284 86.3469 100 0.48 44
FR.SAOF.HHE.00 2021-06-30T16:47:51.16 0.3 undecidable manual S 196 87.1461 100 0.35 67
GU.MGRO.HHN. 2021-06-30T16:47:49.24 0.6 undecidable manual S 183 77.5668 102 0.46 45
GU.TRAV.HHZ. 2021-06-30T16:47:48.94 0.6 undecidable manual S 354 86.0472 100 -1.64 24
GU.BLANC.HHZ. 2021-06-30T16:47:47.98 1.0 undecidable manual P 330 142.1466 94 1.43 13
GU.RORO.HHE. 2021-06-30T16:47:46.83 0.3 undecidable manual S 167 71.5728 104 -0.71 62
GU.ENR.HHZ. 2021-06-30T16:47:46.16 0.3 undecidable manual S 212 66.5778 107 -0.33 71
GU.STV.HHN. 2021-06-30T16:47:46.20 0.3 undecidable manual S 218 69.1752 105 -0.85 60
GU.CANO.HHE. 2021-06-30T16:47:45.78 0.3 undecidable manual S 153 66.2781 107 -0.66 64
IV.QLNO.HHZ. 2021-06-30T16:47:44.27 0.6 undecidable manual S 140 60.1953 110 -0.91 38
GU.GBOS.HHE. 2021-06-30T16:47:44.03 0.6 undecidable manual S 182 55.4001 113 -0.19 50
GU.PZZ.HHZ. 2021-06-30T16:47:44.97 0.3 undecidable manual S 246 64.0914 108 -1.02 56
GU.PCP.HHE. 2021-06-30T16:47:43.90 0.3 undecidable manual S 112 58.5969 111 -0.96 56
IV.MONC.HHZ. 2021-06-30T16:47:42.16 0.3 undecidable manual S 8 37.3293 129 1.27 52
GU.ROTM.HHE. 2021-06-30T16:47:42.29 0.6 undecidable manual S 73 40.7259 125 0.83 43
GU.BHB.HHZ. 2021-06-30T16:47:42.18 0.6 undecidable manual S 283 48.0186 119 -0.62 45
MN.BNI.HHN. 2021-06-30T16:47:42.26 0.3 undecidable manual P 291 98.9232 98 1.05 51
GU.RRL.HHZ. 2021-06-30T16:47:40.35 0.1 undecidable manual P 284 86.3469 100 0.69 81
FR.SAOF.HHE.00 2021-06-30T16:47:40.42 0.1 undecidable manual P 196 87.1461 100 0.67 82
GU.IMI.HHZ. 2021-06-30T16:47:40.60 0.3 undecidable manual P 178 92.1411 99 0.23 69
GU.CIRO.HHZ. 2021-06-30T16:47:40.38 0.1 undecidable manual P 347 98.2239 98 -0.74 77
GU.RNCA.HHE. 2021-06-30T16:47:40.50 0.1 undecidable manual P 109 91.3419 99 0.23 93
GU.LSD.HHN. 2021-06-30T16:47:40.94 0.3 undecidable manual P 325 97.8243 98 -0.14 69
GU.MGRO.HHN. 2021-06-30T16:47:39.23 0.3 undecidable manual P 183 77.5668 102 0.65 63
GU.TRAV.HHZ. 2021-06-30T16:47:38.75 0.1 undecidable manual P 354 86.0472 100 -0.87 74
GU.RORO.HHE. 2021-06-30T16:47:38.00 0.3 undecidable manual P 167 71.5728 104 0.14 73
GU.ENR.HHZ. 2021-06-30T16:47:37.51 0.1 undecidable manual P 212 66.5778 107 0.25 96
GU.STV.HHN. 2021-06-30T16:47:37.51 0.3 undecidable manual P 218 69.1752 105 -0.07 75
GU.CANO.HHE. 2021-06-30T16:47:37.05 0.3 undecidable manual P 153 66.2781 107 -0.18 73
GU.PCP.HHE. 2021-06-30T16:47:36.05 0.1 undecidable manual P 112 58.5969 111 -0.27 96
IV.QLNO.HHZ. 2021-06-30T16:47:36.30 0.6 undecidable manual P 140 60.1953 110 -0.2 49
GU.GBOS.HHE. 2021-06-30T16:47:36.37 0.1 undecidable manual P 182 55.4001 113 0.42 94
GU.PZZ.HHZ. 2021-06-30T16:47:36.88 0.1 undecidable manual P 246 64.0914 108 -0.09 100
GU.BHB.HHZ. 2021-06-30T16:47:35.12 0.3 undecidable manual P 283 48.0186 119 -0.01 78
GU.ROTM.HHE. 2021-06-30T16:47:34.77 0.6 undecidable manual P 73 40.7259 125 0.41 49
IV.MONC.HHZ. 2021-06-30T16:47:34.68 0.1 undecidable manual P 8 37.3293 129 0.66 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MONC.HHE. ML:1.7 0.00011657495 0.2048 AML other m 2021-06-30T16:47:42.25
GU.BHB.HHE. ML:1.8 0.00011700000000000001 1.38 AML other m 2021-06-30T16:47:42.72
GU.BHB.HHN. ML:1.7 0.00009198416 0.2176 AML other m 2021-06-30T16:47:42.76
IV.MONC.HHN. ML:1.8 0.000126357695 0.3072 AML other m 2021-06-30T16:47:43.26
GU.PZZ.HHN. ML:1.7 0.0000664 0.2 AML other m 2021-06-30T16:47:45.24
GU.PZZ.HHE. ML:1.9 0.00010350000000000001 0.22 AML other m 2021-06-30T16:47:45.49
GU.ENR.HHE. ML:1.9 0.0001175 0.12 AML other m 2021-06-30T16:47:46.40
GU.ENR.HHN. ML:1.6 0.000057396459999999996 0.0896 AML other m 2021-06-30T16:47:46.59
GU.TRAV.HHN. ML:1.6 0.00004310878 0.1536 AML other m 2021-06-30T16:47:49.37
GU.TRAV.HHE. ML:1.6 0.000037770825 0.1152 AML other m 2021-06-30T16:47:49.56
GU.CIRO.HHE. ML:1.8 0.000048976705 0.1152 AML other m 2021-06-30T16:47:51.92
GU.CIRO.HHN. ML:1.7 0.000038600965 0.1536 AML other m 2021-06-30T16:47:52.06
GU.RRL.HHN. ML:1.3 0.0000186926 0.256 AML other m 2021-06-30T16:47:52.07
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download