Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 26-05-2022 and time 17:56:17 (UTC) in region Serole (AT)

A magnitude ML 0.8 earthquake occured in region: Serole (AT), on

  • 26-05-2022 17:56:17 (UTC)
  • 26-05-2022 19:56:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5530, 8.2660 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Serole AT 0 123 123
Olmo Gentile AT 4 80 203
Roccaverano AT 5 399 602
Merana AL 5 189 791
Mombaldone AT 6 209 1000
Spigno Monferrato AL 6 1050 2050
Pezzolo Valle Uzzone CN 6 344 2394
Bergolo CN 6 71 2465
Perletto CN 7 292 2757
Cortemilia CN 7 2331 5088
San Giorgio Scarampi AT 7 122 5210
Denice AL 8 176 5386
Piana Crixia SV 8 788 6174
Torre Bormida CN 9 200 6374
Levice CN 9 231 6605
Castelletto Uzzone CN 9 331 6936
Castino CN 10 483 7419
Vesime AT 10 622 8041
Pareto AL 10 554 8595
Montechiaro d'Acqui AL 10 560 9155
Cessole AT 11 403 9558
Bosia CN 11 177 9735
Cravanzana CN 11 411 10146
Gorzegno CN 11 304 10450
Monastero Bormida AT 12 931 11381
Ponti AL 12 606 11987
Prunetto CN 12 451 12438
Rocchetta Belbo CN 12 167 12605
Malvicino AL 12 85 12690
Dego SV 12 1985 14675
Bubbio AT 13 893 15568
Arguello CN 13 199 15767
Feisoglio CN 13 316 16083
Gottasecca CN 13 148 16231
Cartosio AL 13 747 16978
Borgomale CN 13 381 17359
Loazzolo AT 13 359 17718
Castelletto d'Erro AL 13 148 17866
Cerretto Langhe CN 13 442 18308
Mioglia SV 14 526 18834
Cossano Belbo CN 14 958 19792
Sessame AT 14 271 20063
Lequio Berria CN 14 487 20550
Bistagno AL 15 1887 22437
Benevello CN 15 474 22911
Monesiglio CN 15 645 23556
Niella Belbo CN 15 372 23928
Cassinasco AT 15 611 24539
Giusvalla SV 15 441 24980
Ponzone AL 16 1051 26031
Melazzo AL 16 1325 27356
Serravalle Langhe CN 16 315 27671
Albaretto della Torre CN 17 242 27913
Bossolasco CN 17 679 28592
Camo CN 17 201 28793
Mombarcaro CN 17 268 29061
Cairo Montenotte SV 17 13269 42330
Cavatore AL 17 291 42621
Mango CN 17 1308 43929
Saliceto CN 17 1323 45252
Camerana CN 17 631 45883
Santo Stefano Belbo CN 18 3984 49867
San Benedetto Belbo CN 18 179 50046
Pontinvrea SV 18 847 50893
Terzo AL 18 923 51816
Rodello CN 18 980 52796
Rocchetta Palafea AT 18 338 53134
Trezzo Tinella CN 19 331 53465
Cissone CN 19 85 53550
Canelli AT 19 10485 64035
Cengio SV 19 3563 67598
Montelupo Albese CN 19 529 68127
Montabone AT 19 333 68460
Neviglie CN 20 382 68842
Sassello SV 20 1777 70619
Roddino CN 20 400 71019
Grognardo AL 20 259 71278

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Savona (61345 inhabitants)
39 Km S of Asti (76202 inhabitants)
49 Km SW of Alessandria (93943 inhabitants)
55 Km W of Genova (586655 inhabitants)
59 Km E of Cuneo (56081 inhabitants)
68 Km SE of Moncalieri (57294 inhabitants)
74 Km SE of Torino (890529 inhabitants)
90 Km NE of Sanremo (54807 inhabitants)
97 Km SW of Vigevano (63310 inhabitants)
100 Km SW of Pavia (72576 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
Reviewed
Rev100 		ML 0.8 2022-05-26
17:56:17		 44.5533 8.2655 10 2022-05-26
18:04:18		 Sala Sismica INGV-Roma 105185241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-26 17:56:17 ± 0.19
Latitude 44.5533 ± 0.0117
Longitude 8.2655 ± 0.0126
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 105185241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1360
Semi-minor axis of confidence ellipse (meter) 980
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 17
Circular confidence region, given by single value of horizontal uncertainty (meter) 1360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.76622
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 105185241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-26 18:04:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2022-05-26T17:58:46.16 3.0 undecidable manual Sg 21.73 0
IV.SPS2.HHZ. 2022-05-26T17:58:36.81 3.0 negative manual Pg 25.16 0
IV.ACATE.EHZ. 2022-05-26T17:58:21.20 3.0 undecidable manual Pn -2.72 0
1J.FX12.HHZ.00 2022-05-26T17:58:17.24 3.0 positive manual Pn -2.12 0
NI.VINO.HHZ. 2022-05-26T17:58:01.90 3.0 undecidable manual Sn 0.95 0
IV.SSFR.HHZ. 2022-05-26T17:58:01.14 3.0 undecidable manual Sg 11.44 0
IV.MMO1.EHZ. 2022-05-26T17:57:59.25 3.0 undecidable manual Sn -4.63 0
IV.MURB.HNZ. 2022-05-26T17:57:57.18 3.0 undecidable manual Sg 10.1 0
IV.MCRV.HHZ. 2022-05-26T17:57:54.20 3.0 undecidable manual Pn 5.44 0
IV.ARVD.HHZ. 2022-05-26T17:57:52.62 3.0 undecidable manual Sn 0.79 0
IV.CAMP.HHZ. 2022-05-26T17:57:24.42 3.0 undecidable manual Pn 4.36 0
IV.ASSB.HHZ. 2022-05-26T17:57:07.13 3.0 undecidable manual Pn -2.92 0
GU.POPM.HHZ. 2022-05-26T17:56:51.86 3.0 positive manual Pg 4.67 0
IV.SALO.HHZ. 2022-05-26T17:56:46.44 3.0 undecidable manual Pn -1.46 0
GU.BHB.HHZ. 2022-05-26T17:56:42.01 0.6 undecidable manual S 292 85.0482 50 -0.57 40
GU.BHB.HHZ. 2022-05-26T17:56:31.72 0.1 undecidable manual P 292 85.0482 50 -0.13 90
GU.ENR.HHZ. 2022-05-26T17:56:31.53 0.3 undecidable manual P 242 76.1682 50 1.04 50
GU.CANO.HHZ. 2022-05-26T17:56:29.47 0.6 undecidable manual S 183 38.4282 50 -0.68 42
GU.GBOS.HHZ. 2022-05-26T17:56:26.92 1.0 undecidable manual P 224 48.3183 50 0.73 20
GU.RORO.HHZ. 2022-05-26T17:56:26.70 0.1 positive manual P 198 51.4152 50 0.03 98
IV.QLNO.HHZ. 2022-05-26T17:56:26.94 0.6 undecidable manual S 166 26.1516 50 0.06 51
GU.PCP.HHZ. 2022-05-26T17:56:25.58 0.6 undecidable manual S 93 22.1556 114 -0.05 51
GU.CANO.HHZ. 2022-05-26T17:56:24.40 0.1 undecidable manual P 183 38.4282 50 -0.27 95
GU.PCP.HHZ. 2022-05-26T17:56:22.13 0.3 positive manual P 93 22.1556 114 0.07 77
IV.QLNO.HHZ. 2022-05-26T17:56:22.92 0.1 positive manual P 166 26.1516 50 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PCP.HHN. ML:0.7 0.00003665 0.34 AML other m 2022-05-26T17:56:25.61
GU.PCP.HHE. ML:0.6 0.00003205 0.58 AML other m 2022-05-26T17:56:26.13
IV.QLNO.HHE. ML:0.9 0.0000447 0.58 AML other m 2022-05-26T17:56:27.17
IV.QLNO.HHN. ML:0.8 0.000041099999999999996 0.18 AML other m 2022-05-26T17:56:27.56
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