Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 4.3 on date 24-04-1987 and time 04:30:28 (Italy) in region 4 km SW Novellara (RE)

A magnitude Md 4.3 earthquake occured in region: 4 km SW Novellara (RE), on

  • 24-04-1987 02:30:28 (UTC)
  • 24-04-1987 04:30:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.82, 10.7 at 5 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
Novellara RE 4 13731 13731
Campagnola Emilia RE 6 5650 19381
Bagnolo in Piano RE 6 9712 29093
Correggio RE 8 25897 54990
Rio Saliceto RE 8 6213 61203
Cadelbosco di Sopra RE 10 10628 71831
Castelnovo di Sotto RE 11 8462 80293
Fabbrico RE 11 6693 86986
San Martino in Rio RE 11 8099 95085
Gualtieri RE 12 6556 101641
Guastalla RE 13 15225 116866
Poviglio RE 13 7311 124177
Campegine RE 14 5029 129206
Reggio nell'Emilia RE 14 171345 300551
Reggiolo RE 14 9178 309729
Rolo RE 15 4105 313834
Pomponesco MN 15 1701 315535
Boretto RE 15 5272 320807
Carpi MO 15 70699 391506
Dosolo MN 16 3440 394946
Luzzara RE 16 9250 404196
Brescello RE 17 5617 409813
Gattatico RE 18 5837 415650
Campogalliano MO 18 8845 424495
Novi di Modena MO 18 10247 434742
Gonzaga MN 18 9150 443892
Viadana MN 19 19926 463818
Cavriago RE 19 9839 473657
Rubiera RE 19 14864 488521
Soliera MO 20 15461 503982
Suzzara MN 20 21161 525143

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NE of Reggio nell'Emilia (171345 inhabitants)
15 Km W of Carpi (70699 inhabitants)
26 Km NW of Modena (184973 inhabitants)
29 Km E of Parma (192836 inhabitants)
62 Km NW of Bologna (386663 inhabitants)
64 Km SE of Cremona (71901 inhabitants)
73 Km W of Ferrara (133155 inhabitants)
73 Km SW of Verona (258765 inhabitants)
83 Km E of Piacenza (102191 inhabitants)
89 Km SE of Brescia (196480 inhabitants)
91 Km W of Rovigo (51867 inhabitants)
95 Km NE of Carrara (63133 inhabitants)
95 Km NW of Imola (69797 inhabitants)
97 Km NE of Massa (69479 inhabitants)
100 Km N of Pistoia (90315 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
Rev 1000 Md 4.3
M 4.6 		1987-04-24
02:30:28		 44.82 10.7 5 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 45499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-04-24 02:30:28 ± 0.073
Latitude 44.82 ± 0.01
Longitude 10.70 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 45499

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) 1099.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 129
Number of defining phases 129
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) 0.0068
Epicentral distance of station farthest from the epicenter (degree) 0.07739
Number of stations at which the event was observed 107
Number of stations from which data was used for origin computation 107
Magnitudes information

Md:4.3

Field Value
Value 4.3
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 45499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:44:48

M:4.6

Field Value
Value 4.6
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 45499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:42:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.TTG.Z. 1987-04-24T02:33:17.50 10.0 undecidable manual SN 108 0.0597 -0.31 0.4
--.BGF.Z. 1987-04-24T02:32:57.40 10.0 undecidable manual SN 290 0.0517 0.63 0.4
--.AVF.Z. 1987-04-24T02:32:51.50 10.0 undecidable manual SN 293 0.0493 1.06 0.2
--.SSF.Z. 1987-04-24T02:32:50.50 10.0 undecidable manual SN 296 0.0493 0.19 0.5
--.SMF.Z. 1987-04-24T02:32:42.40 10.0 undecidable manual SN 293 0.0461 0.6 0.4
--.LBF.Z. 1987-04-24T02:32:42.60 10.0 undecidable manual SN 297 0.0463 0.06 0.5
--.FLN.Z. 1987-04-24T02:32:32.30 10.0 undecidable manual PN 301 0.0774 -0.82 0.5
--.KBN.Z. 1987-04-24T02:32:31.60 10.0 undecidable manual PN 116 0.0765 -0.18 0.9
--.SKO.Z. 1987-04-24T02:32:28.90 10.0 negative manual PN 106 0.0746 -0.05 1.9
--.HAU.Z. 1987-04-24T02:32:25.10 10.0 undecidable manual SN 318 0.0393 1 0.3
--.PHP.Z. 1987-04-24T02:32:23.20 10.0 undecidable manual PN 110 0.0697 1.81 0.1
--.SPC.Z. 1987-04-24T02:32:22.70 10.0 undecidable manual PN 52 0.0705 0.11 1
--.EPF.Z. 1987-04-24T02:32:21.00 10.0 undecidable manual PN 260 0.0689 0.76 0.6
--.MFF.Z. 1987-04-24T02:32:21.10 10.0 undecidable manual PN 287 0.0699 -0.62 0.7
--.TIR.Z. 1987-04-24T02:32:17.00 10.0 undecidable manual PN 114 0.0678 -1.44 0.2
--.BSF.Z. 1987-04-24T02:32:16.70 10.0 undecidable manual SN 319 0.0363 0.49 0.5
--.BCI.Z. 1987-04-24T02:32:15.40 10.0 undecidable manual PN 106 0.0648 1.42 0.2
--.LCI.Z. 1987-04-24T02:32:13.20 10.0 undecidable manual PN 126 0.0635 1.25 0.3
--.SD1.Z. 1987-04-24T02:32:12.00 10.0 undecidable manual SN 142 0.0346 0.58 0.5
--.LFF.Z. 1987-04-24T02:32:12.00 10.0 undecidable manual PN 274 0.0635 0.14 1.1
--.TTG.Z. 1987-04-24T02:32:06.50 10.0 undecidable manual PN 108 0.0597 0.37 1
--.BNS.Z. 1987-04-24T02:32:06.60 10.0 positive manual PN 340 0.0592 1.19 0.8
--.CLL.Z. 1987-04-24T02:32:05.70 10.0 undecidable manual PN 12 0.06 -0.92 1.1
--.RJF.Z. 1987-04-24T02:32:05.10 10.0 undecidable manual PN 277 0.0584 0.86 0.6
--.LSF.Z. 1987-04-24T02:32:04.90 10.0 undecidable manual PN 285 0.0591 -0.4 1
--.ORI.Z. 1987-04-24T02:32:03.30 10.0 undecidable manual PN 136 0.0573 0.74 0.8
--.LRG.Z. 1987-04-24T02:32:01.40 10.0 undecidable manual SN 247 0.0305 0.61 0.5
--.LMR.Z. 1987-04-24T02:32:00.00 10.0 undecidable manual SN 245 0.0301 0.24 0.6
--.PE1.Z. 1987-04-24T02:32:00.50 10.0 undecidable manual PN 126 0.0571 -1.76 0.1
--.HCY.Z. 1987-04-24T02:32:00.40 10.0 undecidable manual PN 110 0.055 1.39 0.3
--.CAF.Z. 1987-04-24T02:31:59.00 10.0 undecidable manual PN 274 0.055 0.02 1.2
--.TCF.Z. 1987-04-24T02:31:59.00 10.0 undecidable manual PN 286 0.055 -0.03 1.2
--.BRT.Z. 1987-04-24T02:31:58.90 10.0 undecidable manual PN 127 0.0554 -0.6 0.9
--.MG9.Z. 1987-04-24T02:31:57.50 10.0 undecidable manual PN 140 0.0529 1.62 0.2
--.FRF.Z. 1987-04-24T02:31:56.00 10.0 undecidable manual SN 247 0.0284 0.75 0.4
--.MAF.Z. 1987-04-24T02:31:55.70 10.0 undecidable manual PN 286 0.0527 0.16 1.2
--.BGF.Z. 1987-04-24T02:31:54.10 10.0 undecidable manual PN 290 0.0517 0.11 1.2
--.PRU.Z. 1987-04-24T02:31:53.80 10.0 positive manual PN 25 0.052 -0.68 1.6
--.TNS.Z. 1987-04-24T02:31:52.40 10.0 positive manual PN 345 0.0505 0.28 2.3
--.SSF.Z. 1987-04-24T02:31:50.20 10.0 undecidable manual PN 296 0.0493 -0.05 1.3
--.AVF.Z. 1987-04-24T02:31:50.00 10.0 undecidable manual PN 293 0.0493 -0.33 1.1
--.SGO.Z. 1987-04-24T02:31:49.00 10.0 undecidable manual PN 139 0.0489 -0.68 0.9
--.LOR.Z. 1987-04-24T02:31:48.60 10.0 undecidable manual PN 299 0.048 0.25 1.2
--.LBF.Z. 1987-04-24T02:31:46.10 10.0 undecidable manual PN 297 0.0463 0.33 1.2
--.VKA.Z. 1987-04-24T02:31:46.00 10.0 undecidable manual PN 46 0.0465 -0.12 1.3
--.SMF.Z. 1987-04-24T02:31:45.40 10.0 undecidable manual PN 293 0.0461 0.06 1.3
--.TR9.Z. 1987-04-24T02:31:44.40 10.0 undecidable manual PN 137 0.0451 0.46 1.1
--.SOP.Z. 1987-04-24T02:31:42.70 10.0 undecidable manual PN 52 0.0446 -0.45 1.1
--.CVF.Z. 1987-04-24T02:31:41.20 10.0 undecidable manual SN 211 0.0234 -0.83 0.4
--.SBF.Z. 1987-04-24T02:31:40.90 10.0 undecidable manual SN 248 0.0227 0.95 0.3
--.KHC.Z. 1987-04-24T02:31:39.70 10.0 undecidable manual PN 23 0.0426 -0.41 2.4
--.VOY.Z. 1987-04-24T02:31:39.70 10.0 undecidable manual SN 60 0.0229 -0.97 0.3
--.GWF.Z. 1987-04-24T02:31:38.80 10.0 undecidable manual PN 334 0.0419 -0.22 1.3
--.SGG.Z. 1987-04-24T02:31:36.20 10.0 undecidable manual PN 140 0.0392 1.39 0.3
--.HAU.Z. 1987-04-24T02:31:35.40 10.0 undecidable manual PN 318 0.0393 0.28 1.3
--.MSC.Z. 1987-04-24T02:31:35.10 10.0 undecidable manual PN 145 0.039 0.47 1.2
--.FO1.Z. 1987-04-24T02:31:34.00 10.0 undecidable manual SN 38 0.0206 -0.64 0.4
--.CDF.Z. 1987-04-24T02:31:34.00 10.0 undecidable manual PN 328 0.0386 0 1.4
--.DUI.Z. 1987-04-24T02:31:33.00 10.0 undecidable manual PN 137 0.0376 0.62 1.1
--.BUH.Z. 1987-04-24T02:31:32.50 10.0 undecidable manual PN 337 0.0379 -0.38 1.3
--.ASS.Z. 1987-04-24T02:31:32.50 10.0 undecidable manual SN 140 0.0202 -0.96 0.3
--.BSF.Z. 1987-04-24T02:31:31.00 10.0 undecidable manual PN 319 0.0363 0.43 1.3
--.KMR.Z. 1987-04-24T02:31:30.80 10.0 undecidable manual PN 34 0.036 0.7 2.1
--.ROB.Z. 1987-04-24T02:31:30.10 10.0 undecidable manual SN 256 0.0186 0.67 0.4
--.STU.Z. 1987-04-24T02:31:30.90 10.0 undecidable manual PN 345 0.0367 -0.24 1.4
--.MOF.Z. 1987-04-24T02:31:29.20 10.0 undecidable manual PN 322 0.0351 0.52 1.2
--.ARV.Z. 1987-04-24T02:31:28.00 10.0 undecidable manual SN 128 0.0187 -1.49 0.1
--.SD1.Z. 1987-04-24T02:31:28.70 10.0 undecidable manual PN 142 0.0346 0.9 0.8
--.ROF.Z. 1987-04-24T02:31:28.80 10.0 undecidable manual PN 318 0.0349 0.43 1.3
--.FIN.Z. 1987-04-24T02:31:25.30 10.0 undecidable manual SN 251 0.0168 0.65 0.4
--.RMP.Z. 1987-04-24T02:31:22.00 10.0 undecidable manual PN 153 0.03 1.14 0.6
--.FUR.Z. 1987-04-24T02:31:22.00 10.0 negative manual PN 6 0.0303 0.66 2.2
--.RDP.Z. 1987-04-24T02:31:22.50 10.0 undecidable manual PN 153 0.0304 0.92 0.8
--.LRG.Z. 1987-04-24T02:31:21.70 10.0 undecidable manual PN 247 0.0305 0.04 1.5
--.BHG.Z. 1987-04-24T02:31:21.40 10.0 negative manual PN 26 0.0294 1.44 0.6
--.LMR.Z. 1987-04-24T02:31:20.80 10.0 undecidable manual PN 245 0.0301 -0.27 1.4
--.SLE.Z. 1987-04-24T02:31:20.50 10.0 undecidable manual PN 333 0.0299 -0.12 1.5
--.AQU.Z. 1987-04-24T02:31:19.30 10.0 undecidable manual PN 140 0.0283 1.1 0.6
--.FRF.Z. 1987-04-24T02:31:18.30 10.0 undecidable manual PN 247 0.0284 -0.17 1.5
--.ZLA.Z. 1987-04-24T02:31:18.20 10.0 undecidable manual PN 329 0.028 0.41 1.3
--.EMS.Z. 1987-04-24T02:31:16.50 10.0 undecidable manual PN 296 0.0263 1.31 0.4
--.LJU.Z. 1987-04-24T02:31:15.30 10.0 undecidable manual PN 63 0.0266 -0.28 2.8
--.KBA.Z. 1987-04-24T02:31:15.30 10.0 negative manual PN 38 0.0262 0.24 2.9
--.BNI.Z. 1987-04-24T02:31:14.00 10.0 undecidable manual PN 276 0.0257 -0.23 1.5
--.MNS.Z. 1987-04-24T02:31:13.50 10.0 undecidable manual PN 148 0.0253 -0.28 1.4
--.LPG.Z. 1987-04-24T02:31:13.50 10.0 undecidable manual PN 285 0.0257 -0.87 0.8
--.SAX.Z. 1987-04-24T02:31:12.70 10.0 undecidable manual PN 339 0.0235 1.83 0.1
--.RRL.Z. 1987-04-24T02:31:12.60 10.0 undecidable manual PN 273 0.0249 -0.54 1.2
--.DIX.Z. 1987-04-24T02:31:11.00 10.0 undecidable manual PN 299 0.0236 -0.14 1.5
--.CEY.Z. 1987-04-24T02:31:11.90 10.0 undecidable manual PN 69 0.025 -1.3 0.4
--.CVF.Z. 1987-04-24T02:31:10.20 10.0 undecidable manual PN 211 0.0234 -0.63 1.1
--.RBL.Z. 1987-04-24T02:31:09.60 10.0 undecidable manual PN 49 0.0232 -0.88 0.8
--.VOY.Z. 1987-04-24T02:31:09.10 10.0 negative manual PN 60 0.0229 -0.95 1.4
--.PGD.Z. 1987-04-24T02:31:09.00 10.0 undecidable manual SN 141 0.0107 0.64 0.5
--.SOO.Z. 1987-04-24T02:31:09.10 10.0 undecidable manual PN 264 0.0232 -1.31 0.4
--.SBF.Z. 1987-04-24T02:31:09.80 10.0 undecidable manual PN 248 0.0227 0.17 1.5
--.MMK.Z. 1987-04-24T02:31:08.00 10.0 undecidable manual PN 303 0.0205 1.64 0.2
--.LLS.Z. 1987-04-24T02:31:08.60 10.0 undecidable manual PN 330 0.0211 1.31 0.4
--.STV.Z. 1987-04-24T02:31:08.80 10.0 undecidable manual PN 257 0.0222 -0.09 1.5
--.DA9.Z. 1987-04-24T02:31:08.00 10.0 undecidable manual PN 263 0.0223 -1.02 0.7
--.LSD.Z. 1987-04-24T02:31:08.80 10.0 undecidable manual PN 285 0.0232 -1.65 0.3
--.MDI.Z. 1987-04-24T02:31:07.00 10.0 undecidable manual SN 324 0.0106 -1.25 0.2
--.AM8.Z. 1987-04-24T02:31:07.99 10.0 undecidable manual PN 120 0.0219 -0.48 1.2
--.CM8.Z. 1987-04-24T02:31:07.45 10.0 undecidable manual PN 131 0.0215 -0.41 1.3
--.FO1.Z. 1987-04-24T02:31:06.50 10.0 undecidable manual PN 38 0.0206 -0.07 1.5
--.TRI.Z. 1987-04-24T02:31:05.20 10.0 undecidable manual PN 66 0.021 -1.89 0.1
--.ASS.Z. 1987-04-24T02:31:05.50 10.0 undecidable manual PN 140 0.0202 -0.39 1.3
--.IMP.Z. 1987-04-24T02:31:05.40 10.0 undecidable manual PN 246 0.0198 0.2 1.5
--.ROB.Z. 1987-04-24T02:31:03.40 10.0 undecidable manual PN 256 0.0186 -0.16 1.5
--.ARV.Z. 1987-04-24T02:31:03.50 10.0 undecidable manual PN 128 0.0187 -0.09 1.5
--.ORO.Z. 1987-04-24T02:31:02.50 10.0 undecidable manual PN 293 0.0187 -1.08 0.6
--.OSS.Z. 1987-04-24T02:31:02.40 10.0 undecidable manual PN 348 0.0172 1.13 0.6
--.ORX.Z. 1987-04-24T02:31:02.60 10.0 undecidable manual PN 294 0.0187 -1 1.4
--.VDL.Z. 1987-04-24T02:31:01.70 10.0 undecidable manual PN 333 0.0168 0.88 0.9
--.TMA.Z. 1987-04-24T02:31:00.10 10.0 undecidable manual PN 315 0.0164 0.1 1.5
--.FIN.Z. 1987-04-24T02:31:00.60 10.0 undecidable manual PN 251 0.0168 -0.2 1.5
--.CKI.Z. 1987-04-24T02:30:59.50 10.0 undecidable manual PN 257 0.0159 0.2 1.5
--.VAI.Z. 1987-04-24T02:30:58.20 10.0 undecidable manual PN 308 0.0154 -0.38 1.3
--.CRE.Z. 1987-04-24T02:30:55.80 10.0 undecidable manual PN 142 0.0134 0.24 1.5
--.CTI.Z. 1987-04-24T02:30:53.80 10.0 undecidable manual PN 28 0.0125 -0.48 1.2
--.GEN.Z. 1987-04-24T02:30:53.90 10.0 undecidable manual PN 252 0.0117 0.82 0.9
--.MDI.Z. 1987-04-24T02:30:51.00 10.0 undecidable manual PN 324 0.0106 -0.33 1.4
--.PGD.Z. 1987-04-24T02:30:51.50 10.0 undecidable manual PN 141 0.0107 0.11 1.5
--.PS9.Z. 1987-04-24T02:30:49.50 10.0 undecidable manual PN 186 0.0099 -0.66 1.1
--.FIR.Z. 1987-04-24T02:30:49.70 10.0 negative manual PN 158 0.01 -0.65 2.1
--.CO9.Z. 1987-04-24T02:30:45.60 10.0 undecidable manual PG 267 0.0079 -0.73 1
--.SAL.Z. 1987-04-24T02:30:44.20 10.0 undecidable manual PG 351 0.0072 -0.52 1.2
--.VEA.Z. 1987-04-24T02:30:43.70 10.0 undecidable manual PG 275 0.0069 -0.42 2.6
--.BDI.Z. 1987-04-24T02:30:43.60 10.0 undecidable manual PG 185 0.0068 -0.28 1.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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