Earthquake with magnitude of Md 2.2 on date 24-04-1987 and time 11:17:48 (Italy) in region 2 km E Salvirola (CR)

A magnitude Md 2.2 earthquake occured in region: 2 km E Salvirola (CR), on

  • 24-04-1987 09:17:48 (UTC)
  • 24-04-1987 11:17:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.3490, 9.8000 at 10 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
Salvirola CR 2 1160 1160
Fiesco CR 2 1229 2389
Trigolo CR 2 1746 4135
Cumignano sul Naviglio CR 3 444 4579
Ticengo CR 3 444 5023
Romanengo CR 3 3090 8113
Izano CR 4 2014 10127
Madignano CR 6 2925 13052
Offanengo CR 6 6048 19100
Genivolta CR 6 1248 20348
Castelleone CR 7 9455 29803
Ripalta Arpina CR 8 1008 30811
Soresina CR 8 8964 39775
Casaletto di Sopra CR 8 570 40345
Soncino CR 8 7691 48036
Ripalta Cremasca CR 9 3426 51462
Ricengo CR 9 1777 53239
Ripalta Guerina CR 9 531 53770
Crema CR 9 34371 88141
Montodine CR 10 2542 90683
Pianengo CR 10 2541 93224
Azzanello CR 10 656 93880
Casalmorano CR 10 1622 95502
Villachiara BS 10 1463 96965
Gombito CR 11 622 97587
Moscazzano CR 11 810 98397
Camisano CR 11 1268 99665
Orzinuovi BS 11 12644 112309
San Bassano CR 11 2186 114495
Casale Cremasco-Vidolasco CR 11 1894 116389
Sergnano CR 12 3605 119994
Torre Pallavicina BG 12 1068 121062
Campagnola Cremasca CR 12 673 121735
Cappella Cantone CR 12 573 122308
Capergnanica CR 12 2137 124445
Castelvisconti CR 12 309 124754
Credera Rubbiano CR 12 1621 126375
Annicco CR 13 2049 128424
Borgo San Giacomo BS 13 5423 133847
Cremosano CR 14 1764 135611
Fontanella BG 14 4511 140122
Formigara CR 14 1055 141177
Barbata BG 14 707 141884
Chieve CR 14 2296 144180
Casaletto Ceredano CR 15 1192 145372
Isso BG 15 650 146022
Trescore Cremasco CR 15 2883 148905
Casaletto Vaprio CR 15 1776 150681
Castel Gabbiano CR 15 474 151155
Bagnolo Cremasco CR 15 4798 155953
Orzivecchi BS 15 2498 158451
Antegnate BG 15 3206 161657
Roccafranca BS 16 4920 166577
Pumenengo BG 16 1712 168289
Paderno Ponchielli CR 16 1439 169728
Bordolano CR 16 606 170334
Capralba CR 16 2362 172696
Quintano CR 16 945 173641
Bertonico LO 16 1143 174784
Vaiano Cremasco CR 17 3755 178539
Mozzanica BG 17 4589 183128
Casalbuttano ed Uniti CR 17 3905 187033
Abbadia Cerreto LO 17 289 187322
Camairago LO 17 676 187998
Fara Olivana con Sola BG 17 1293 189291
Quinzano d'Oglio BS 17 6250 195541
Castiglione d'Adda LO 17 4683 200224
Cavenago d'Adda LO 17 2248 202472
Pieranica CR 17 1162 203634
Rudiano BS 17 5830 209464
Covo BG 17 4041 213505
Pompiano BS 18 3855 217360
Torlino Vimercati CR 18 469 217829
Crespiatica LO 18 2257 220086
Turano Lodigiano LO 18 1557 221643
San Paolo BS 18 4552 226195
Palazzo Pignano CR 18 3800 229995
Monte Cremasco CR 18 2294 232289
Pizzighettone CR 18 6548 238837
Grumello Cremonese ed Uniti CR 18 1789 240626
Comezzano-Cizzago BS 18 3803 244429
Cavacurta LO 18 830 245259
Calcio BG 18 5352 250611
Corte de' Cortesi con Cignone CR 18 1084 251695
Corte Palasio LO 19 1540 253235
Terranova dei Passerini LO 19 897 254132
Fornovo San Giovanni BG 19 3429 257561
Urago d'Oglio BS 19 3876 261437
Misano di Gera d'Adda BG 19 2964 264401
Romano di Lombardia BG 19 20217 284618
Corzano BS 20 1416 286034
Vailate CR 20 4596 290630
Verolavecchia BS 20 3842 294472
Bariano BG 20 4342 298814

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Cremona (71901 inhabitants)
34 Km N of Piacenza (102191 inhabitants)
39 Km SW of Brescia (196480 inhabitants)
40 Km S of Bergamo (119381 inhabitants)
49 Km E of Sesto San Giovanni (81608 inhabitants)
49 Km SE of Monza (122671 inhabitants)
49 Km E of Milano (1345851 inhabitants)
51 Km E of Cinisello Balsamo (75078 inhabitants)
53 Km E of Pavia (72576 inhabitants)
63 Km E of Rho (50434 inhabitants)
74 Km E of Vigevano (63310 inhabitants)
74 Km NW of Parma (192836 inhabitants)
74 Km E of Legnano (60262 inhabitants)
76 Km SE of Como (84495 inhabitants)
79 Km E of Busto Arsizio (83106 inhabitants)
86 Km E of Gallarate (53343 inhabitants)
92 Km SE of Varese (80799 inhabitants)
93 Km E of Novara (104380 inhabitants)
94 Km W of Verona (258765 inhabitants)
98 Km NW of Reggio nell'Emilia (171345 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 2.2 1987-04-24
09:17:48
45.349 9.8 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 45539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-04-24 09:17:48 ± 0.798
Latitude 45.3490 ± 0.0465
Longitude 9.8000 ± 0.0397
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 45539

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) 6032.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 243
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00389
Epicentral distance of station farthest from the epicenter (degree) 0.00793
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 45539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:44:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SAL.Z. 1987-04-24T09:18:07.00 10.0 undecidable manual SG 62 0.5661 -1.3 0.2
--.VAI.Z. 1987-04-24T09:18:05.00 10.0 undecidable manual PG 306 0.8769 -0.6 1.2
--.MDI.Z. 1987-04-24T09:18:03.50 10.0 undecidable manual SG 351 0.4329 -0.36 0.8
--.SAL.Z. 1987-04-24T09:18:00.20 10.0 undecidable manual PG 62 0.5661 0.45 1.8
--.MDI.Z. 1987-04-24T09:17:58.00 10.0 undecidable manual PG 351 0.4329 0.81 1.1
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