Earthquake with magnitude of Md 3.0 on date 06-08-1991 and time 00:32:38 (Italy) in region 1 km W Gussola (CR)

A magnitude Md 3.0 earthquake occured in region: 1 km W Gussola (CR), on

  • 05-08-1991 22:32:38 (UTC)
  • 06-08-1991 00:32:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.0150, 10.3320 at 24 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
Gussola CR 1 2772 2772
Torricella del Pizzo CR 3 618 3390
Martignana di Po CR 4 2036 5426
Scandolara Ravara CR 5 1413 6839
San Martino del Lago CR 7 437 7276
Casalmaggiore CR 7 15351 22627
Motta Baluffi CR 7 926 23553
Solarolo Rainerio CR 8 958 24511
San Giovanni in Croce CR 8 1905 26416
Sissa Trecasali PR 8 7890 34306
Casteldidone CR 9 586 34892
Cingia de' Botti CR 9 1273 36165
Roccabianca PR 9 3068 39233
Rivarolo Mantovano MN 10 2576 41809
Colorno PR 10 8991 50800
Rivarolo del Re ed Uniti CR 11 1991 52791
Voltido CR 11 374 53165
Ca' d'Andrea CR 12 428 53593
Derovere CR 13 290 53883
Sabbioneta MN 13 4251 58134
Cella Dati CR 13 509 58643
Tornata CR 13 448 59091
Mezzani PR 13 3273 62364
Piadena CR 13 3570 65934
San Secondo Parmense PR 13 5721 71655
San Daniele Po CR 14 1387 73042
Torrile PR 14 7698 80740
Drizzona CR 14 557 81297
Torre de' Picenardi CR 15 1737 83034
Calvatone CR 16 1208 84242
Spineda CR 16 611 84853
Canneto sull'Oglio MN 16 4455 89308
Bozzolo MN 16 4183 93491
Sospiro CR 17 3174 96665
Pieve San Giacomo CR 17 1594 98259
Commessaggio MN 17 1094 99353
San Martino dall'Argine MN 18 1751 101104
Isola Dovarese CR 18 1159 102263
Viadana MN 18 19926 122189
Cappella de' Picenardi CR 18 450 122639
Acquanegra sul Chiese MN 18 2948 125587
Pieve d'Olmi CR 19 1305 126892
Polesine Zibello PR 19 3232 130124
Soragna PR 19 4834 134958
Brescello RE 19 5617 140575
Fontanellato PR 19 7033 147608
Marcaria MN 20 6674 154282

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km N of Parma (192836 inhabitants)
28 Km E of Cremona (71901 inhabitants)
42 Km NW of Reggio nell'Emilia (171345 inhabitants)
50 Km E of Piacenza (102191 inhabitants)
51 Km NW of Carpi (70699 inhabitants)
59 Km S of Brescia (196480 inhabitants)
62 Km NW of Modena (184973 inhabitants)
70 Km SW of Verona (258765 inhabitants)
92 Km SE of Bergamo (119381 inhabitants)
94 Km E of Pavia (72576 inhabitants)
99 Km NW of Bologna (386663 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 3.0
M 2.9
1991-08-05
22:32:38
45.015 10.332 24 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 146949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-08-05 22:32:38 ± 0.261
Latitude 45.0150 ± 0.0105
Longitude 10.3320 ± 0.0168
Depth (km) 24 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 146949

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) 1757.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 72
Number of defining phases 72
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00461
Epicentral distance of station farthest from the epicenter (degree) 0.04889
Number of stations at which the event was observed 54
Number of stations from which data was used for origin computation 54
Magnitudes information

Md:3.0

Field Value
Value 3.0
Uncertainty
Num. used stations 8
Type of magnitude Md
Reference to an origin 146949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:17:09

M:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 146949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:19:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SSF.Z. 1991-08-05T22:34:48.60 10.0 undecidable manual SN 295 5.1504 0.04 0.4
--.LOR.Z. 1991-08-05T22:34:45.30 10.0 undecidable manual SN 298 5.0061 0.11 0.4
--.SMF.Z. 1991-08-05T22:34:40.50 10.0 undecidable manual SN 291 4.7952 0.34 0.4
--.LBF.Z. 1991-08-05T22:34:40.50 10.0 undecidable manual SN 295 4.8174 -0.29 0.4
--.HAU.Z. 1991-08-05T22:34:21.70 10.0 undecidable manual SN 318 4.0404 -0.65 0.4
--.ECH.Z. 1991-08-05T22:34:15.96 10.0 undecidable manual SN! 326 3.8628 -2.02 0
--.BSF.Z. 1991-08-05T22:34:12.60 10.0 undecidable manual SN! 319 3.7185 -1.91 0
--.BGF.Z. 1991-08-05T22:33:57.10 10.0 undecidable manual PN 288 5.4279 -0.2 1
--.AVF.Z. 1991-08-05T22:33:53.90 10.0 undecidable manual PN 292 5.1615 0.32 1
--.SSF.Z. 1991-08-05T22:33:53.60 10.0 undecidable manual PN 295 5.1504 0.16 1
--.LOR.Z. 1991-08-05T22:33:51.70 10.0 undecidable manual PN 298 5.0061 0.2 1
--.LBF.Z. 1991-08-05T22:33:49.30 10.0 undecidable manual PN 295 4.8174 0.34 1
--.SMF.Z. 1991-08-05T22:33:48.90 10.0 undecidable manual PN 291 4.7952 0.3 1
--.KHC.Z. 1991-08-05T22:33:46.00 10.0 undecidable manual PN 26 4.662 -0.77 0.7
--.GWF.Z. 1991-08-05T22:33:42.32 10.0 undecidable manual PN 335 4.3623 -0.32 1.1
--.HAU.Z. 1991-08-05T22:33:38.40 10.0 undecidable manual PN 318 4.0404 0.09 1.2
--.CDF.Z. 1991-08-05T22:33:36.84 10.0 undecidable manual PN 328 3.9849 -0.57 1
--.ECH.Z. 1991-08-05T22:33:35.48 10.0 undecidable manual PN 326 3.8628 -0.3 1.2
--.BHB.Z. 1991-08-05T22:33:33.80 10.0 undecidable manual SN! 265 2.1756 -3.96 0
--.BSF.Z. 1991-08-05T22:33:33.80 10.0 undecidable manual PN 319 3.7185 0.02 1.3
--.ROB.Z. 1991-08-05T22:33:31.40 10.0 undecidable manual SN 248 1.8759 0.57 0.5
--.MOF.Z. 1991-08-05T22:33:31.68 10.0 undecidable manual PN 322 3.5853 -0.27 1.2
--.LRG.Z. 1991-08-05T22:33:29.50 10.0 undecidable manual PN! 242 3.2301 2.33 0
--.LMR.Z. 1991-08-05T22:33:28.60 10.0 undecidable manual PN 239 3.2079 1.83 0.1
--.FEL.Z. 1991-08-05T22:33:26.98 10.0 undecidable manual PN 331 3.2634 -0.61 1.1
--.FRF.Z. 1991-08-05T22:33:24.60 10.0 undecidable manual PN 241 2.997 0.63 1.1
--.CKI.Z. 1991-08-05T22:33:23.50 10.0 undecidable manual SN 248 1.5762 0.11 0.6
--.SLE.Z. 1991-08-05T22:33:23.80 10.0 negative manual PN 335 3.0192 -0.42 2.5
--.ZLA.Z. 1991-08-05T22:33:21.40 10.0 undecidable manual PN 331 2.8083 0.13 1.5
--.BNI.Z. 1991-08-05T22:33:21.30 10.0 undecidable manual PN! 271 2.5752 2.95 0
--.PGF.Z. 1991-08-05T22:33:19.10 10.0 undecidable manual PN 201 2.6418 0.12 1.5
--.PII.Z. 1991-08-05T22:33:18.58 10.0 undecidable manual SN 173 1.2987 1.7 0.1
--.ASS.Z. 1991-08-05T22:33:17.47 10.0 undecidable manual PN 138 2.5641 -0.42 1.4
--.ARV.Z. 1991-08-05T22:33:15.25 10.0 undecidable manual PN 127 2.3976 -0.45 1.4
--.TRI.Z. 1991-08-05T22:33:15.48 10.0 undecidable manual PN 72 2.4975 -1.61 0.3
--.DOI.Z. 1991-08-05T22:33:15.00 10.0 undecidable manual PN 257 2.2422 1.47 0.4
--.RRL.Z. 1991-08-05T22:33:15.40 10.0 undecidable manual PN 268 2.5086 -1.72 0.2
--.FVI.Z. 1991-08-05T22:33:14.92 10.0 undecidable manual PN 45 2.3199 0.35 1.4
--.PZZ.Z. 1991-08-05T22:33:13.56 10.0 undecidable manual PN 258 2.3421 -1.33 0.5
--.SBF.Z. 1991-08-05T22:33:13.80 10.0 undecidable manual PN 241 2.3643 -1.34 0.5
--.LSD.Z. 1991-08-05T22:33:13.24 10.0 undecidable manual PN 281 2.2755 -0.7 1.1
--.STV.Z. 1991-08-05T22:33:13.84 10.0 undecidable manual PN 250 2.2644 0.06 1.6
--.ENR.Z. 1991-08-05T22:33:13.10 10.0 undecidable manual PN 249 2.2089 0.03 1.6
--.LLS.Z. 1991-08-05T22:33:12.90 10.0 undecidable manual PN 333 2.0535 2.09 0.1
--.GEN.Z. 1991-08-05T22:33:11.30 10.0 undecidable manual SN! 238 1.1544 -2.11 0
--.RSP.Z. 1991-08-05T22:33:10.68 10.0 undecidable manual PN 274 2.1645 -1.82 0.2
--.IMI.Z. 1991-08-05T22:33:10.46 10.0 undecidable manual PN 237 2.0535 -0.47 1.3
--.BDI.Z. 1991-08-05T22:33:10.20 10.0 undecidable manual SN 168 0.9657 0.99 0.3
--.BHB.Z. 1991-08-05T22:33:10.60 10.0 undecidable manual PN 265 2.1756 -1.96 0.1
--.ROB.Z. 1991-08-05T22:33:08.72 10.0 undecidable manual PN 248 1.8759 0.16 1.5
--.CRE.Z. 1991-08-05T22:33:07.19 10.0 undecidable manual PN 139 1.8093 -0.35 1.4
--.OSS.Z. 1991-08-05T22:33:06.90 10.0 positive manual PN 355 1.6761 1.23 1.1
--.FIN.Z. 1991-08-05T22:33:05.84 10.0 undecidable manual PN 242 1.7094 -0.31 1.5
--.VDL.Z. 1991-08-05T22:33:05.40 10.0 positive manual PN 337 1.5762 0.93 1.7
--.MME.Z. 1991-08-05T22:33:05.82 10.0 undecidable manual SN 161 0.8547 -0.63 0.5
--.CKI.Z. 1991-08-05T22:33:05.55 10.0 undecidable manual PN 248 1.5762 1.27 0.5
--.SFI.Z. 1991-08-05T22:33:04.10 10.0 undecidable manual PN 134 1.5429 0.08 1.6
--.TMA.Z. 1991-08-05T22:33:03.00 10.0 positive manual PN 316 1.4874 -0.16 3.1
--.PGD.Z. 1991-08-05T22:33:03.88 10.0 undecidable manual PN 137 1.4985 0.49 1.3
--.PCP.Z. 1991-08-05T22:33:02.26 10.0 undecidable manual PN 249 1.3431 1.02 0.8
--.BOB.Z. 1991-08-05T22:33:01.00 10.0 undecidable manual SN 248 0.666 -0.96 0.3
--.PII.Z. 1991-08-05T22:33:00.33 10.0 undecidable manual PN 173 1.2987 -0.18 1.5
--.SAL.Z. 1991-08-05T22:32:59.16 10.0 undecidable manual SG 12 0.5994 -0.91 0.4
--.GEN.Z. 1991-08-05T22:32:59.80 10.0 undecidable manual PN 238 1.1544 1.29 0.5
--.VEA.Z. 1991-08-05T22:32:56.80 10.0 undecidable manual SG 255 0.5106 -0.55 0.5
--.MDI.Z. 1991-08-05T22:32:55.40 10.0 undecidable manual PN 329 0.8769 0.69 1.1
--.BDI.Z. 1991-08-05T22:32:55.66 10.0 undecidable manual PN 168 0.9657 -0.32 1.5
--.MME.Z. 1991-08-05T22:32:54.64 10.0 negative manual PN 161 0.8547 0.16 3.1
--.BOB.Z. 1991-08-05T22:32:52.90 10.0 negative manual PN 248 0.666 0.2 3
--.SAL.Z. 1991-08-05T22:32:50.96 10.0 positive manual PG 12 0.5994 0.16 3.1
--.VEA.Z. 1991-08-05T22:32:49.90 10.0 undecidable manual PG 255 0.5106 0.66 1.2
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