Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.6 on date 09-01-2000 and time 13:32:05 (Italy) in region 1 km E Santo Stefano Belbo (CN)

A magnitude Md 2.6 earthquake occured in region: 1 km E Santo Stefano Belbo (CN), on

  • 09-01-2000 12:32:05 (UTC)
  • 09-01-2000 13:32:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.7040, 8.2470 at 18 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.

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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
Santo Stefano Belbo CN 1 3984 3984
Canelli AT 4 10485 14469
Loazzolo AT 4 359 14828
Camo CN 4 201 15029
Calosso AT 4 1279 16308
Cassinasco AT 5 611 16919
Castiglione Tinella CN 5 895 17814
Cossano Belbo CN 5 958 18772
Bubbio AT 6 893 19665
Cessole AT 6 403 20068
San Marzano Oliveto AT 7 1047 21115
Moasca AT 7 494 21609
Vesime AT 8 622 22231
Mango CN 8 1308 23539
Rocchetta Palafea AT 8 338 23877
Calamandrana AT 8 1761 25638
Sessame AT 8 271 25909
Coazzolo AT 8 302 26211
Monastero Bormida AT 9 931 27142
Rocchetta Belbo CN 9 167 27309
Castagnole delle Lanze AT 10 3798 31107
Agliano Terme AT 10 1642 32749
Castelnuovo Calcea AT 10 759 33508
San Giorgio Scarampi AT 10 122 33630
Neviglie CN 10 382 34012
Neive CN 11 3405 37417
Bistagno AL 11 1887 39304
Costigliole d'Asti AT 11 5914 45218
Castino CN 11 483 45701
Castel Boglione AT 11 609 46310
Trezzo Tinella CN 11 331 46641
Montabone AT 11 333 46974
Nizza Monferrato AT 12 10429 57403
Perletto CN 12 292 57695
Roccaverano AT 12 399 58094
Ponti AL 13 606 58700
Vaglio Serra AT 13 275 58975
Treiso CN 13 820 59795
Borgomale CN 13 381 60176
Vinchio AT 13 601 60777
Olmo Gentile AT 13 80 60857
Mombercelli AT 13 2259 63116
Barbaresco CN 13 658 63774
Montegrosso d'Asti AT 13 2344 66118
Denice AL 14 176 66294
Castel Rocchero AT 14 395 66689
Bosia CN 14 177 66866
Benevello CN 14 474 67340
Montaldo Scarampi AT 14 755 68095
Cortemilia CN 14 2331 70426
Terzo AL 14 923 71349
Castelletto d'Erro AL 15 148 71497
Vigliano d'Asti AT 15 835 72332
Fontanile AT 15 567 72899
Isola d'Asti AT 15 2071 74970
Belveglio AT 16 350 75320
Castelletto Molina AT 16 180 75500
Magliano Alfieri CN 16 2153 77653
Melazzo AL 16 1325 78978
Incisa Scapaccino AT 16 2288 81266
Lequio Berria CN 16 487 81753
Cortiglione AT 16 571 82324
Montechiaro d'Acqui AL 16 560 82884
Govone CN 16 2203 85087
Mombaldone AT 16 209 85296
Mongardino AT 16 921 86217
Alice Bel Colle AL 16 766 86983
Alba CN 17 31437 118420
Serole AT 17 123 118543
San Martino Alfieri AT 17 666 119209
Rodello CN 17 980 120189
Quaranti AT 17 183 120372
Torre Bormida CN 17 200 120572
Castelnuovo Belbo AT 17 895 121467
Arguello CN 17 199 121666
Cravanzana CN 17 411 122077
Guarene CN 17 3596 125673
Priocca CN 18 2017 127690
Mombaruzzo AT 18 1117 128807
Bergolo CN 18 71 128878
Acqui Terme AL 18 19896 148774
Ricaldone AL 18 684 149458
Antignano AT 18 974 150432
Montelupo Albese CN 18 529 150961
Castagnito CN 18 2163 153124
Bruno AT 18 321 153445
Diano d'Alba CN 18 3570 157015
Cavatore AL 18 291 157306
Cartosio AL 19 747 158053
Cerretto Langhe CN 19 442 158495
Revigliasco d'Asti AT 19 767 159262
Albaretto della Torre CN 19 242 159504
Castellinaldo d'Alba CN 19 938 160442
Pezzolo Valle Uzzone CN 19 344 160786
Rocchetta Tanaro AT 19 1450 162236
Spigno Monferrato AL 19 1050 163286
Azzano d'Asti AT 19 391 163677
Rocca d'Arazzo AT 19 936 164613
Maranzana AT 19 277 164890
Celle Enomondo AT 20 484 165374
Levice CN 20 231 165605

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km S of Asti (76202 inhabitants)
37 Km SW of Alessandria (93943 inhabitants)
48 Km NW of Savona (61345 inhabitants)
55 Km SE of Moncalieri (57294 inhabitants)
61 Km SE of Torino (890529 inhabitants)
63 Km NW of Genova (586655 inhabitants)
65 Km NE of Cuneo (56081 inhabitants)
84 Km SW of Vigevano (63310 inhabitants)
88 Km SW of Novara (104380 inhabitants)
90 Km SW of Pavia (72576 inhabitants)
Recent and historical seismicity

These maps show the seismic activity in different time intervals, before the seismic event to which they refer. Data reported in the first two maps come from the analysis carried out in real time by the personnel of the INGV Operating Rooms, immediately after each earthquake. The third map shows data from 1985 to the date of the earthquake: the locations are reviewed by the seismological analysts of the INGV Italian Seismic Bulletin (Bollettino Sismico Italiano dell’INGV). The localization parameters (hypocentral coordinates and magnitude) are the best possible estimate with the data available to the INGV, but are constantly updated according to further data that become available. The location and magnitude parameters, subsequently reviewed by seismological analysts, may vary.

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 0.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 72 hours preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 2.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 90 days preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event

This map shows the earthquake epicenters with magnitude ≥ 3.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, from 1985 to the date of this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version 3.0, https://doi.org/10.13127/cpti/cpti15.3) since 1000 AD until 2019. The size of the square indicates the different classes of magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The black and white star is the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		Md 2.6
ML-VAX 1.8 		2000-01-09
12:32:05		 44.704 8.247 18 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 379739
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2000-01-09 12:32:05 ± 0.357
Latitude 44.7040 ± 0.0431
Longitude 8.2470 ± 0.0343
Depth (km) 18 ± 7 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 379739

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) 5501.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.01093
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 379739
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:56:43

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 379739
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(km) Takeoff_angle Residual Weight
--.VAI.Z. 2000-01-09T12:32:42.99 10.0 undecidable manual SN 17 1.2099 -0.36 0.3
--.DOI.Z. 2000-01-09T12:32:30.64 10.0 undecidable manual SG 254 0.7326 -0.52 0.2
--.VAI.Z. 2000-01-09T12:32:27.18 10.0 undecidable manual PN 17 1.2099 -0.12 1.3
--.BOB.Z. 2000-01-09T12:32:22.57 10.0 undecidable manual PN 85 0.8547 0.28 1.1
--.DOI.Z. 2000-01-09T12:32:20.78 10.0 undecidable manual PG 254 0.7326 0.52 0.5
--.CKI.Z. 2000-01-09T12:32:16.96 10.0 undecidable manual SG 175 0.2775 0.09 0.7
--.CKI.Z. 2000-01-09T12:32:11.82 10.0 positive manual PG 175 0.2775 -0.19 3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions

The map reports the fault plane solutions for earthquakes in the region from 1977 to the date of this event. Red moment tensors are determined using the Regional Centroid Moment Tensor technique (RCMT, http://www.bo.ingv.it/RCMT) applied for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when a station azimuthal coverage exists RCMTs can be obtained also for earthquakes with magnitude down to 4.0. The gray moment tensors are obtained with the Time Domain Moment Tensor method (TDMT, /tdmt). This technique is applied to earthquakes with magnitude ML greater than 3.2, when it is possible. The size of symbols scales with the calculated moment magnitude Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download