Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 11-04-2021 and time 09:49:16 (Italy) in region 9 km NW Finale Emilia (MO)

A magnitude ML 2.2 earthquake occured in region: 9 km NW Finale Emilia (MO), on

  • 11-04-2021 07:49:16 (UTC)
  • 11-04-2021 09:49:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.9030, 11.2420 at 11 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
Finale Emilia MO 9 15699 15699
San Felice sul Panaro MO 11 10900 26599
Magnacavallo MN 12 1561 28160
Sermide MN 12 6189 34349
Felonica MN 13 1359 35708
Poggio Rusco MN 13 6625 42333
Calto RO 14 743 43076
Mirandola MO 14 23875 66951
Castelmassa RO 14 4252 71203
Bondeno FE 14 14655 85858
Castelnovo Bariano RO 14 2762 88620
San Giovanni del Dosso MN 14 1248 89868
Villa Poma MN 15 2023 91891
Medolla MO 15 6308 98199
Carbonara di Po MN 15 1297 99496
Camposanto MO 15 3201 102697
Ceneselli RO 16 1719 104416
Ficarolo RO 16 2438 106854
Schivenoglia MN 16 1203 108057
Borgofranco sul Po MN 17 784 108841
Sant'Agostino FE 17 6853 115694
Salara RO 17 1160 116854
Bergantino RO 18 2565 119419
Pieve di Coriano MN 18 1035 120454
Melara RO 18 1803 122257
Cavezzo MO 18 7026 129283
San Giacomo delle Segnate MN 18 1639 130922
San Possidonio MO 19 3619 134541
Mirabello FE 19 3266 137807
Revere MN 20 2521 140328
Gaiba RO 20 1063 141391
Cento FE 20 35686 177077

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Ferrara (133155 inhabitants)
31 Km E of Carpi (70699 inhabitants)
38 Km NE of Modena (184973 inhabitants)
46 Km N of Bologna (386663 inhabitants)
47 Km W of Rovigo (51867 inhabitants)
53 Km E of Reggio nell'Emilia (171345 inhabitants)
63 Km SE of Verona (258765 inhabitants)
72 Km NW of Imola (69797 inhabitants)
73 Km E of Parma (192836 inhabitants)
75 Km SW of Padova (210401 inhabitants)
76 Km SW of Vicenza (112953 inhabitants)
85 Km NW of Faenza (58541 inhabitants)
93 Km NW of Ravenna (159116 inhabitants)
99 Km NW of Forlì (117913 inhabitants)
99 Km E of Cremona (71901 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 2.2 2021-04-11
07:49:16		 44.9032 11.2415 11 2021-07-12
16:55:07		 Bollettino Sismico Italiano INGV 89332081
Reviewed
Rev100 		ML 2.2 2021-04-11
07:49:17		 44.8895 11.2217 7 2021-04-11
08:06:05		 Sala Sismica INGV-Roma 88997351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-11 07:49:16 ± 0.21
Latitude 44.9032 ± 0.0063
Longitude 11.2415 ± 0.0127
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89332081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1076
Semi-minor axis of confidence ellipse (meter) 387
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 121
Circular confidence region, given by single value of horizontal uncertainty (meter) 1080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.11331
Epicentral distance of station farthest from the epicenter (degree) 1.82652
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 88997351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-11 08:06:05

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 89332081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-22 10:21:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRES.EHZ. 2021-04-11T07:49:50.76 0.6 undecidable manual P 11 202.7415 38 -0.24 29
IV.ZEN8.EHZ. 2021-04-11T07:49:46.14 0.6 undecidable manual S 334 90.6426 38 -0.59 39
ST.OZOL.EHZ. 2021-04-11T07:49:45.94 0.3 undecidable manual P 355 167.1105 38 0.47 50
ST.ZIAN.EHZ. 2021-04-11T07:49:43.73 0.1 undecidable manual P 9 154.3344 38 0.25 74
IV.MSSA.HHZ. 2021-04-11T07:49:41.98 0.6 undecidable manual P 245 150.9378 38 -0.97 29
ST.GAGG.HHZ. 2021-04-11T07:49:40.51 0.1 undecidable manual P 351 132.7671 38 0.38 76
ST.RONC.EHZ. 2021-04-11T07:49:40.02 0.3 undecidable manual P 338 128.7711 38 0.5 56
IV.TREG.EHZ. 2021-04-11T07:49:39.90 0.3 undecidable manual S 355 69.0753 38 -0.95 53
ST.PANI.EHZ. 2021-04-11T07:49:39.57 0.3 undecidable manual P 3 127.4724 38 0.27 59
IV.CTI.HHZ. 2021-04-11T07:49:39.77 0.3 undecidable manual P 14 130.9689 38 -0.07 61
SI.LUSI.HHZ. 2021-04-11T07:49:38.48 0.3 undecidable manual P 349 119.4915 38 0.42 58
IV.TEOL.HHZ. 2021-04-11T07:49:37.62 0.3 undecidable manual S 33 61.0944 38 -1.07 51
IV.MAGA.HHZ. 2021-04-11T07:49:36.66 0.3 undecidable manual P 334 107.9142 38 0.39 60
ST.DOSS.HHZ. 2021-04-11T07:49:36.63 0.3 undecidable manual P 358 108.5136 38 0.27 62
IV.SALO.HHZ. 2021-04-11T07:49:35.38 0.6 undecidable manual P 325 97.125 38 0.79 36
ST.VARA.EHZ. 2021-04-11T07:49:35.97 0.3 undecidable manual P 345 105.8163 38 0.02 65
IV.MBAL.EHZ. 2021-04-11T07:49:34.28 0.3 undecidable manual P 341 93.0402 38 0.32 63
IV.ZEN8.EHZ. 2021-04-11T07:49:34.43 0.6 undecidable manual P 334 90.6426 38 0.84 35
IV.BRIS.HNE. 2021-04-11T07:49:33.55 0.6 undecidable manual P 151 85.9473 38 0.69 38
IV.TREG.EHZ. 2021-04-11T07:49:30.48 0.3 undecidable manual P 355 69.0753 38 0.25 67
IV.MTRZ.HHN. 2021-04-11T07:49:30.21 0.6 undecidable manual P 167 67.0773 38 0.29 44
IV.ZCCA.HNN. 2021-04-11T07:49:29.73 0.3 undecidable manual P 199 64.7907 38 0.17 69
IV.TEOL.HHZ. 2021-04-11T07:49:28.49 0.3 undecidable manual P 33 61.0944 38 -0.51 64
IV.CAVE.HHZ. 2021-04-11T07:49:24.73 0.3 undecidable manual S 258 19.1697 50 -0.15 75
IV.RAVA.EHZ. 2021-04-11T07:49:24.54 0.6 undecidable manual S 211 18.9699 50 -0.25 49
IV.SERM.EHZ. 2021-04-11T07:49:24.81 0.6 undecidable manual S 20 12.5763 130 -0.92 39
IV.SERM.EHZ. 2021-04-11T07:49:21.58 0.3 undecidable manual P 20 12.5763 130 -0.01 78
IV.RAVA.EHZ. 2021-04-11T07:49:20.47 0.1 negative manual P 211 18.9699 50 -0.59 89
IV.CAVE.HHZ. 2021-04-11T07:49:20.98 0.1 positive manual P 258 19.1697 50 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RAVA.EHE. ML:2.8 0.00447 0.4 AML other m 2021-04-11T07:49:24.98
IV.RAVA.EHN. ML:2.6 0.003065 1.8 AML other m 2021-04-11T07:49:24.98
IV.CAVE.HHN. ML:1.9 0.0006651803499999999 0.1408 AML other m 2021-04-11T07:49:25.38
IV.SERM.HNE. ML:1.4 0.00026833455 0.4096 AML other m 2021-04-11T07:49:26.90
IV.SERM.EHN. ML:1.8 0.00067119995 0.3008 AML other m 2021-04-11T07:49:26.85
IV.CAVE.HHE. ML:1.9 0.00058179645 0.1792 AML other m 2021-04-11T07:49:27.02
IV.SERM.HNN. ML:1.7 0.000486197 0.3648 AML other m 2021-04-11T07:49:27.43
IV.SERM.EHE. ML:1.6 0.0003908603 0.4608 AML other m 2021-04-11T07:49:30.62
IV.ZEN8.HNN. ML:2.3 0.00024799965 0.864 AML other m 2021-04-11T07:49:46.49
IV.ZEN8.EHE. ML:1.8 0.0000665219195 0.1792 AML other m 2021-04-11T07:49:48.52
IV.ZEN8.EHN. ML:1.8 0.000068122635 0.1152 AML other m 2021-04-11T07:49:49.03
ST.DOSS.HHE. ML:2.0 0.0000968 0.4 AML other m 2021-04-11T07:49:50.78
IV.MBAL.EHE. ML:2.1 0.0001474318 0.0832 AML other m 2021-04-11T07:49:50.91
IV.MBAL.EHN. ML:2.2 0.00015263705 0.096 AML other m 2021-04-11T07:49:52.11
IV.MBAL.HNE. ML:2.2 0.00017238305500000002 0.1216 AML other m 2021-04-11T07:49:52.26
ST.VARA.EHN. ML:2.3 0.0001805 0.8 AML other m 2021-04-11T07:49:52.73
ST.VARA.EHE. ML:2.6 0.000319 0.3 AML other m 2021-04-11T07:49:52.62
ST.DOSS.HHN. ML:2.0 0.00008555 0.52 AML other m 2021-04-11T07:49:53.05
IV.MAGA.HHN. ML:2.3 0.000183 1.34 AML other m 2021-04-11T07:49:53.15
IV.MAGA.HHE. ML:2.5 0.000256 0.28 AML other m 2021-04-11T07:49:55.41
SI.LUSI.HHN. ML:2.5 0.000251 0.66 AML other m 2021-04-11T07:49:55.37
SI.LUSI.HHE. ML:2.3 0.00014299999999999998 0.38 AML other m 2021-04-11T07:49:55.75
ST.PANI.EHE. ML:2.0 0.00006805 1.6 AML other m 2021-04-11T07:49:56.91
IV.CTI.HHN. ML:2.3 0.0001375 0.46 AML other m 2021-04-11T07:49:57.13
IV.CTI.HHE. ML:2.3 0.000123 1.76 AML other m 2021-04-11T07:49:57.91
ST.PANI.EHN. ML:2.0 0.00007250000000000001 1.5 AML other m 2021-04-11T07:49:57.98
ST.RONC.EHE. ML:2.3 0.0001225 0.2 AML other m 2021-04-11T07:49:58.23
ST.GAGG.HHN. ML:2.2 0.00011224999999999999 0.76 AML other m 2021-04-11T07:49:58.81
ST.RONC.EHN. ML:2.3 0.00014350000000000002 1.3 AML other m 2021-04-11T07:49:58.85
ST.GAGG.HHE. ML:2.2 0.00008834999999999999 0.86 AML other m 2021-04-11T07:49:59.57
ST.ZIAN.EHE. ML:2.3 0.00008755 1.68 AML other m 2021-04-11T07:50:05.87
ST.ZIAN.EHN. ML:2.3 0.00010109999999999999 1.62 AML other m 2021-04-11T07:50:05.86
IV.BRES.EHE. ML:2.1 0.0000388 0.56 AML other m 2021-04-11T07:50:18.84
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