Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 05-02-2021 and time 10:17:09 (Italy) in region 2 km SE Malalbergo (BO)

A magnitude ML 2.5 earthquake occured in region: 2 km SE Malalbergo (BO), on

  • 05-02-2021 09:17:09 (UTC)
  • 05-02-2021 10:17:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.7070, 11.5450 at 33 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
Malalbergo BO 2 8943 8943
Baricella BO 7 6951 15894
Poggio Renatico FE 8 9852 25746
Galliera BO 10 5439 31185
Minerbio BO 10 8793 39978
San Pietro in Casale BO 11 12202 52180
Bentivoglio BO 13 5469 57649
Molinella BO 14 15797 73446
Mirabello FE 15 3266 76712
San Giorgio di Piano BO 15 8512 85224
Vigarano Mainarda FE 16 7694 92918
Ferrara FE 16 133155 226073
Sant'Agostino FE 16 6853 232926
Argelato BO 17 9844 242770
Voghiera FE 17 3777 246547
Granarolo dell'Emilia BO 19 11910 258457
Pieve di Cento BO 19 7019 265476
Budrio BO 19 18412 283888
Castello d'Argile BO 20 6550 290438

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SW of Ferrara (133155 inhabitants)
29 Km NE of Bologna (386663 inhabitants)
42 Km NW of Imola (69797 inhabitants)
45 Km SW of Rovigo (51867 inhabitants)
49 Km E of Modena (184973 inhabitants)
53 Km E of Carpi (70699 inhabitants)
54 Km NW of Faenza (58541 inhabitants)
61 Km NW of Ravenna (159116 inhabitants)
67 Km NW of Forlì (117913 inhabitants)
72 Km E of Reggio nell'Emilia (171345 inhabitants)
82 Km SW of Padova (210401 inhabitants)
84 Km NW of Cesena (96758 inhabitants)
92 Km SE of Verona (258765 inhabitants)
94 Km S of Vicenza (112953 inhabitants)
97 Km E of Parma (192836 inhabitants)
99 Km NE of Prato (191150 inhabitants)
99 Km NE 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
Bulletin
Rev1000 		ML 2.5 2021-02-05
09:17:09		 44.7072 11.5448 33 2021-07-12
16:54:57		 Bollettino Sismico Italiano INGV 86934811
Reviewed
Rev100 		ML 2.4 2021-02-05
09:17:09		 44.7132 11.5605 32 2021-02-05
09:38:05		 Sala Sismica INGV-Roma 86851261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-05 09:17:09 ± 0.11
Latitude 44.7072 ± 0.0072
Longitude 11.5448 ± 0.0202
Depth (km) 33 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86934811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1596
Semi-minor axis of confidence ellipse (meter) 528
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 1600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.07644
Epicentral distance of station farthest from the epicenter (degree) 2.07743
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 78
Type of magnitude ML
Reference to an origin 86934811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-12 10:51:43

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 66
Type of magnitude ML
Reference to an origin 86851261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-05 09:38:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.DRE.HHZ. 2021-02-05T09:17:42.01 0.3 undecidable manual P 44 230.5914 54 -0.76 30
NI.VINO.HHZ. 2021-02-05T09:17:40.45 0.3 undecidable manual P 37 218.115 54 -0.77 33
IV.VMAN.HHN. 2021-02-05T09:17:39.48 0.6 undecidable manual S 315 96.5256 54 1.2 27
IV.STAL.HHZ. 2021-02-05T09:17:37.44 0.3 undecidable manual P 27 194.6607 54 -0.86 36
ST.ZIAN.EHZ. 2021-02-05T09:17:36.84 0.6 undecidable manual P 0 174.0924 54 1.1 24
ST.GAGG.HHZ. 2021-02-05T09:17:35.02 0.3 undecidable manual P 344 159.3183 54 1.11 38
IV.PIEI.HHZ. 2021-02-05T09:17:34.12 0.6 undecidable manual P 148 152.0367 54 1.13 26
IV.CTI.HHZ. 2021-02-05T09:17:33.16 0.6 undecidable manual P 3 148.9398 54 0.54 34
SI.LUSI.HHZ. 2021-02-05T09:17:32.68 0.3 undecidable manual P 342 146.6421 54 0.36 54
IV.TEOL.HHZ. 2021-02-05T09:17:32.19 0.6 undecidable manual S 8 73.2711 109 -0.26 43
ST.PANI.EHZ. 2021-02-05T09:17:32.08 0.3 undecidable manual P 354 149.8389 54 -0.65 50
IV.LMD.HHZ. 2021-02-05T09:17:31.53 0.6 undecidable manual S 169 71.0733 110 -0.35 42
OX.CGRP.HHZ. 2021-02-05T09:17:31.41 0.3 undecidable manual P 9 131.7681 54 0.94 46
IV.ASOL.HNN. 2021-02-05T09:17:30.32 0.3 undecidable manual P 13 124.4865 54 0.76 50
IV.CRE.HHZ. 2021-02-05T09:17:30.34 0.3 undecidable manual P 165 124.986 54 0.71 51
IV.MBAL.EHZ. 2021-02-05T09:17:29.88 0.3 undecidable manual P 334 122.2887 54 0.59 53
ST.VARA.EHZ. 2021-02-05T09:17:29.96 0.6 undecidable manual P 338 134.0658 54 -0.8 33
ST.DOSS.HHZ. 2021-02-05T09:17:29.79 0.3 undecidable manual P 348 133.1667 54 -0.86 48
IV.BRIS.HHZ. 2021-02-05T09:17:28.34 0.3 undecidable manual S 162 56.2992 115 0.08 70
IV.IMOL.EHZ. 2021-02-05T09:17:26.30 0.3 undecidable manual S 158 41.625 124 1.47 43
IV.VMAN.HHN. 2021-02-05T09:17:26.80 0.3 undecidable manual P 315 96.5256 54 0.72 53
IV.BDI.HHZ. 2021-02-05T09:17:26.80 0.6 undecidable manual P 227 103.8183 54 -0.19 42
IV.ASQU.HHZ. 2021-02-05T09:17:26.33 0.3 undecidable manual P 169 102.8193 54 -0.55 58
OX.MARN.HNE. 2021-02-05T09:17:26.52 0.3 undecidable manual P 346 106.5156 54 -0.81 52
IV.RUFI.EHZ. 2021-02-05T09:17:25.86 0.3 undecidable manual P 182 96.4257 54 -0.22 63
IV.CAVE.HHZ. 2021-02-05T09:17:25.35 0.3 undecidable manual S 293 46.1205 121 -0.5 66
IV.SFI.EHZ. 2021-02-05T09:17:24.98 0.3 undecidable manual P 165 92.1411 105 -0.52 59
IV.RAVA.EHZ. 2021-02-05T09:17:24.22 0.3 undecidable manual S 279 34.0437 130 1.02 52
IV.MPPT.EHZ. 2021-02-05T09:17:24.98 0.3 undecidable manual P 204 90.6426 105 -0.29 63
IV.SERM.EHZ. 2021-02-05T09:17:24.25 0.3 undecidable manual S 330 38.8278 126 0.02 73
IV.CMPO.HNZ. 2021-02-05T09:17:23.00 0.6 undecidable manual S 124 24.8529 139 1.53 29
IV.MOCL.EHZ. 2021-02-05T09:17:23.74 0.6 undecidable manual P 200 83.0502 107 -0.41 41
IV.TEOL.HHZ. 2021-02-05T09:17:22.33 0.3 undecidable manual P 8 73.2711 109 -0.39 63
IV.SEI.HHZ. 2021-02-05T09:17:21.75 0.3 undecidable manual P 192 73.8705 109 -1.06 49
IV.LMD.HHZ. 2021-02-05T09:17:21.39 0.3 undecidable manual P 169 71.0733 110 -1 50
IV.BRIS.HHZ. 2021-02-05T09:17:20.38 0.3 undecidable manual P 162 56.2992 115 0.08 70
IV.ZCCA.HHZ. 2021-02-05T09:17:20.68 0.3 undecidable manual P 229 59.8956 114 -0.11 69
IV.FERS.HNZ. 2021-02-05T09:17:20.71 0.6 undecidable manual S 359 21.7671 143 -0.24 47
IV.MTRZ.HHZ. 2021-02-05T09:17:19.40 0.1 undecidable manual P 192 44.7219 122 0.67 81
IV.FIU.EHN. 2021-02-05T09:17:19.53 0.1 undecidable manual S 209 8.4804 164 0.16 100
IV.CAVE.HHZ. 2021-02-05T09:17:18.68 0.3 undecidable manual P 293 46.1205 121 -0.23 69
IV.SERM.EHZ. 2021-02-05T09:17:18.01 0.1 undecidable manual P 330 38.8278 126 0.04 96
IV.IMOL.EHZ. 2021-02-05T09:17:18.83 0.3 undecidable manual P 158 41.625 124 0.51 66
IV.RAVA.EHZ. 2021-02-05T09:17:17.43 0.1 negative manual P 279 34.0437 130 0.05 96
IV.CMPO.HNZ. 2021-02-05T09:17:16.46 0.3 undecidable manual P 124 24.8529 139 0.08 74
IV.FERS.HNZ. 2021-02-05T09:17:15.55 0.1 undecidable manual P 359 21.7671 143 -0.53 88
IV.FIU.EHN. 2021-02-05T09:17:14.56 0.1 negative manual P 209 8.4804 164 -0.61 88
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IMOL.HNE. ML:2.8 0.0017099785 0.0576 AML other m 2021-02-05T09:17:21.80
IV.BRIS.HNE. ML:1.9 0.00014770097999999997 0.5568 AML other m 2021-02-05T09:17:23.14
IV.RAVA.EHN. ML:3.2 0.004435000000000001 0.2 AML other m 2021-02-05T09:17:24.45
IV.RAVA.EHE. ML:3.0 0.0028949999999999996 0.2 AML other m 2021-02-05T09:17:24.70
IV.SERM.HNE. ML:2.4 0.0007405000000000001 0.24 AML other m 2021-02-05T09:17:25.13
IV.SERM.EHE. ML:2.6 0.0010950000000000003 0.22 AML other m 2021-02-05T09:17:25.61
IV.CAVE.HHN. ML:2.6 0.0010435 0.5 AML other m 2021-02-05T09:17:25.89
IV.BRIS.HNN. ML:2.2 0.00031956220000000003 0.9824 AML other m 2021-02-05T09:17:26.13
IV.SERM.EHN. ML:2.5 0.000844132 1.6224 AML other m 2021-02-05T09:17:26.99
IV.SERM.HNN. ML:2.3 0.00054918915 0.2496 AML other m 2021-02-05T09:17:26.61
IV.CAVE.HHE. ML:2.5 0.0007144143499999999 0.384 AML other m 2021-02-05T09:17:27.91
IV.IMOL.HNN. ML:2.6 0.00110467935 0.4288 AML other m 2021-02-05T09:17:28.28
IV.MTRZ.HHE. ML:2.4 0.0006910000000000001 1.44 AML other m 2021-02-05T09:17:30.01
IV.MTRZ.HNE. ML:2.5 0.0007685 1.34 AML other m 2021-02-05T09:17:30.69
IV.BRIS.HHE. ML:2.6 0.0007099999999999999 0.32 AML other m 2021-02-05T09:17:30.51
IV.BRIS.HHN. ML:2.3 0.00036454555 0.2624 AML other m 2021-02-05T09:17:30.00
IV.MTRZ.HHN. ML:2.2 0.0004090199 0.544 AML other m 2021-02-05T09:17:31.91
IV.MTRZ.HNN. ML:2.2 0.0004004891 0.672 AML other m 2021-02-05T09:17:32.72
IV.LMD.HHN. ML:2.3 0.0002775 1.66 AML other m 2021-02-05T09:17:33.94
IV.LMD.HHE. ML:2.3 0.0003145 0.32 AML other m 2021-02-05T09:17:33.34
IV.TEOL.HHE. ML:2.8 0.0009754539 0.2176 AML other m 2021-02-05T09:17:34.47
IV.SEI.HHE. ML:2.2 0.000234 0.46 AML other m 2021-02-05T09:17:35.03
IV.TEOL.HHN. ML:2.9 0.0012098144999999998 0.3968 AML other m 2021-02-05T09:17:35.68
IV.SEI.HHN. ML:2.4 0.00033201020000000006 0.4992 AML other m 2021-02-05T09:17:38.28
IV.SFI.HNE. ML:2.4 0.0002845 0.5 AML other m 2021-02-05T09:17:38.48
IV.SFI.EHE. ML:2.3 0.00021648165 0.4416 AML other m 2021-02-05T09:17:38.48
IV.SFI.HNN. ML:2.5 0.0003195 0.52 AML other m 2021-02-05T09:17:38.84
IV.SFI.EHN. ML:2.5 0.000341 1.66 AML other m 2021-02-05T09:17:38.85
IV.MPPT.EHE. ML:2.2 0.000148 0.44 AML other m 2021-02-05T09:17:39.33
IV.RUFI.EHE. ML:1.9 0.0000705 0.84 AML other m 2021-02-05T09:17:39.49
IV.BDI.HNN. ML:2.3 0.00016829385 0.4288 AML other m 2021-02-05T09:17:40.36
IV.MPPT.EHN. ML:1.9 0.00008355 0.36 AML other m 2021-02-05T09:17:40.27
IV.BDI.HHE. ML:2.1 0.00010501418500000001 0.4032 AML other m 2021-02-05T09:17:40.70
IV.ASQU.HHE. ML:2.2 0.0001455 0.36 AML other m 2021-02-05T09:17:41.61
IV.RUFI.EHN. ML:1.7 0.00005097365499999999 0.4224 AML other m 2021-02-05T09:17:41.87
IV.BDI.HHN. ML:2.1 0.0001170129 1.68 AML other m 2021-02-05T09:17:41.87
IV.ASQU.HHN. ML:2.3 0.000168 1.56 AML other m 2021-02-05T09:17:42.96
IV.MBAL.HNN. ML:2.7 0.00035428825000000005 0.1152 AML other m 2021-02-05T09:17:46.06
IV.MBAL.EHE. ML:2.8 0.0004172997 0.224 AML other m 2021-02-05T09:17:46.31
IV.MBAL.HNE. ML:2.8 0.00046182279999999997 0.1024 AML other m 2021-02-05T09:17:46.74
IV.MBAL.EHN. ML:2.9 0.0005065834 0.096 AML other m 2021-02-05T09:17:46.74
GU.GRAM.HHE. ML:2.4 0.0001875 0.32 AML other m 2021-02-05T09:17:47.49
GU.GRAM.HHN. ML:2.3 0.00014450000000000002 0.34 AML other m 2021-02-05T09:17:48.13
ST.DOSS.HNN. ML:2.7 0.00031025245 0.3584 AML other m 2021-02-05T09:17:48.15
ST.DOSS.HHE. ML:2.8 0.00033252475000000004 0.3584 AML other m 2021-02-05T09:17:48.15
IV.PII.HHE. ML:2.2 0.000096177105 0.2176 AML other m 2021-02-05T09:17:48.44
IV.CRE.HHE. ML:2.3 0.0001275 1.54 AML other m 2021-02-05T09:17:48.90
IV.BDI.HNE. ML:2.3 0.00016826185999999999 0.3904 AML other m 2021-02-05T09:17:49.37
IV.CRE.HHN. ML:2.2 0.00010350000000000001 0.32 AML other m 2021-02-05T09:17:49.55
ST.DOSS.HHN. ML:2.9 0.000435 0.22 AML other m 2021-02-05T09:17:50.69
ST.DOSS.HNE. ML:2.8 0.0004068971 0.224 AML other m 2021-02-05T09:17:50.69
ST.VARA.EHE. ML:3.1 0.00071391 0.3008 AML other m 2021-02-05T09:17:50.75
ST.VARA.HNN. ML:3.1 0.000718117 0.2752 AML other m 2021-02-05T09:17:50.75
IV.PII.HHN. ML:2.1 0.00006868289 1.6608 AML other m 2021-02-05T09:17:50.91
ST.VARA.HNE. ML:3.0 0.0005484910499999999 0.1792 AML other m 2021-02-05T09:17:51.75
ST.VARA.EHN. ML:3.0 0.00054944805 0.2048 AML other m 2021-02-05T09:17:51.75
SI.LUSI.HHE. ML:2.7 0.00025618550000000004 0.1216 AML other m 2021-02-05T09:17:52.29
SI.LUSI.HHN. ML:3.0 0.000554 0.22 AML other m 2021-02-05T09:17:52.92
IV.CTI.HHN. ML:2.8 0.000357 1.74 AML other m 2021-02-05T09:17:53.91
IV.CTI.HHE. ML:2.8 0.00034196685 0.1216 AML other m 2021-02-05T09:17:54.56
ST.PANI.EHN. ML:2.4 0.00013439105000000003 0.16 AML other m 2021-02-05T09:17:54.74
ST.PANI.EHE. ML:2.3 0.00010601273499999999 1.8784 AML other m 2021-02-05T09:17:55.06
ST.GAGG.HNN. ML:2.6 0.00016583825 0.3456 AML other m 2021-02-05T09:17:56.25
ST.GAGG.HHE. ML:2.6 0.0001618275 0.2752 AML other m 2021-02-05T09:17:56.96
ST.GAGG.HNE. ML:2.4 0.000127122915 0.32 AML other m 2021-02-05T09:17:59.67
ST.GAGG.HHN. ML:2.4 0.00012163485500000002 0.32 AML other m 2021-02-05T09:18:00.03
ST.ZIAN.HNN. ML:2.5 0.00011954184500000001 0.1792 AML other m 2021-02-05T09:18:00.37
ST.ZIAN.EHE. ML:2.5 0.000118595235 0.1792 AML other m 2021-02-05T09:18:00.37
ST.ZIAN.HNE. ML:2.5 0.00012713405 0.1984 AML other m 2021-02-05T09:18:01.17
ST.ZIAN.EHN. ML:2.5 0.0001109792 0.1792 AML other m 2021-02-05T09:18:01.18
IV.STAL.HHE. ML:2.7 0.0001445 0.32 AML other m 2021-02-05T09:18:11.45
IV.STAL.HNE. ML:2.8 0.00018130895 0.352 AML other m 2021-02-05T09:18:11.61
IV.STAL.HHN. ML:2.6 0.0001250815 0.2176 AML other m 2021-02-05T09:18:12.05
IV.STAL.HNN. ML:2.9 0.00023856 0.3328 AML other m 2021-02-05T09:18:12.44
NI.VINO.HHN. ML:2.3 0.000045801295 0.2624 AML other m 2021-02-05T09:18:16.07
IV.FDMO.HHN. ML:2.0 0.000023478674999999998 0.256 AML other m 2021-02-05T09:18:19.48
IV.FDMO.HHE. ML:2.0 0.000023449999999999997 0.36 AML other m 2021-02-05T09:18:19.91
NI.VINO.HHE. ML:2.3 0.0000436 1.52 AML other m 2021-02-05T09:18:26.11
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
Waveforms Seismic signals in miniseed + resp format Download