Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 16-04-2011 and time 23:48:07 (Italy) in region 3 km W Zocca (MO)

A magnitude ML 2.2 earthquake occured in region: 3 km W Zocca (MO), on

  • 16-04-2011 21:48:07 (UTC)
  • 16-04-2011 23:48:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3570, 10.9570 at 27 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
Zocca MO 3 4719 4719
Guiglia MO 8 3931 8650
Castel d'Aiano BO 9 1906 10556
Montese MO 10 3353 13909
Pavullo nel Frignano MO 10 17383 31292
Marano sul Panaro MO 11 5060 36352
Vignola MO 14 25353 61705
Vergato BO 15 7639 69344
Serramazzoni MO 15 8282 77626
Savignano sul Panaro MO 15 9177 86803
Castelvetro di Modena MO 16 11185 97988
Gaggio Montano BO 18 4878 102866
Polinago MO 19 1672 104538
Lama Mocogno MO 19 2734 107272
Grizzana Morandi BO 19 3916 111188
Valsamoggia BO 19 30561 141749
Marzabotto BO 20 6779 148528
Maranello MO 20 17359 165887

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km S of Modena (184973 inhabitants)
34 Km W of Bologna (386663 inhabitants)
46 Km SE of Reggio nell'Emilia (171345 inhabitants)
47 Km N of Pistoia (90315 inhabitants)
48 Km S of Carpi (70699 inhabitants)
54 Km N of Prato (191150 inhabitants)
60 Km W of Imola (69797 inhabitants)
68 Km NE of Lucca (89046 inhabitants)
69 Km N of Scandicci (50609 inhabitants)
70 Km NW of Firenze (382808 inhabitants)
70 Km SE of Parma (192836 inhabitants)
74 Km E of Massa (69479 inhabitants)
74 Km W of Faenza (58541 inhabitants)
75 Km SW of Ferrara (133155 inhabitants)
75 Km E of Carrara (63133 inhabitants)
78 Km NE of Viareggio (62467 inhabitants)
84 Km NE of Pisa (89158 inhabitants)
88 Km W of Forlì (117913 inhabitants)
94 Km E of La Spezia (93959 inhabitants)
99 Km W of Ravenna (159116 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 2011-04-16
21:48:07		 44.357 10.957 27 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1197519
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-04-16 21:48:07 ± 0.17
Latitude 44.3570 ± 0.0135
Longitude 10.9570 ± 0.0138
Depth (km) 27 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1197519

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1103
Semi-minor axis of confidence ellipse (meter) 1006
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 330
Circular confidence region, given by single value of horizontal uncertainty (meter) 1860.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.86
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.12869
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 26
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 1197519
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:25:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.STAL.HHN. 2011-04-16T21:49:09.44 10.0 undecidable manual Sg 0 0 0
IV.MESG.HHN. 2011-04-16T21:49:03.97 10.0 undecidable manual Pg 0 0 0
NI.POLC.HHZ. 2011-04-16T21:49:02.68 10.0 undecidable manual Pg 0 0 0
IV.MABI.HHE. 2011-04-16T21:48:59.20 10.0 undecidable manual Pg 0 0 0
CH.BERNI.HHN. 2011-04-16T21:48:58.75 10.0 undecidable manual Sg 0 0 0
CH.DAVOX.HHN. 2011-04-16T21:48:54.25 10.0 undecidable manual Pg 0 0 0
NI.CGRP.HHE. 2011-04-16T21:48:54.25 10.0 undecidable manual Pg 0 0 0
IV.BRMO.HHZ. 2011-04-16T21:48:51.06 10.0 undecidable manual Sg 0 0 0
IV.CTL8.EHE. 2011-04-16T21:48:49.88 10.0 undecidable manual Pg 0 0 0
IV.BOB.HHE. 2011-04-16T21:48:48.56 10.0 undecidable manual Pg 0 0 0
IV.STAL.HHN. 2011-04-16T21:48:48.09 10.0 undecidable manual Pg 0 0 0
CH.BERNI.HHN. 2011-04-16T21:48:46.65 10.0 undecidable manual Pg 0 0 0
IV.BRMO.HHZ. 2011-04-16T21:48:45.83 10.0 undecidable manual Pg 0 0 0
IV.APPI.EHN. 2011-04-16T21:48:41.46 0.3 undecidable manual Pg 5 236.2857 -0.484 40
IV.SSFR.HHE. 2011-04-16T21:48:40.84 10.0 undecidable manual Sg 0 0 0
IV.SSFR.HHE. 2011-04-16T21:48:35.72 10.0 undecidable manual Pg 0 0 0
IV.MAGA.HHZ. 2011-04-16T21:48:31.90 0.3 undecidable manual Pg 351 159.4182 -0.479 62
IV.SALO.HHN. 2011-04-16T21:48:30.89 0.3 undecidable manual Pg 347 143.9448 0.435 66
IV.ROVR.HHE. 2011-04-16T21:48:28.80 0.1 undecidable manual Pg 4 143.3454 -1.582 52
GU.SC2M.HHN. 2011-04-16T21:48:27.74 0.3 undecidable manual Pg 273 112.8981 1.333 48
IV.MSSA.HHE. 2011-04-16T21:48:27.45 0.3 undecidable manual Pg 268 114.2967 0.831 62
GU.MAIM.HHE. 2011-04-16T21:48:27.52 0.6 undecidable manual Sg 217 61.5939 0.55 52
IV.CRE.HHZ. 2011-04-16T21:48:27.10 0.6 undecidable manual Pg 136 114.0969 0.512 46
IV.TEOL.HHE. 2011-04-16T21:48:26.31 0.3 undecidable manual Pg 27 124.8861 -1.769 36
IV.RAVA.EHN. 2011-04-16T21:48:25.23 10.0 undecidable manual Sg 0 0 0
IV.ERBM.EHZ. 2011-04-16T21:48:23.72 0.6 undecidable manual Sg 279 43.7229 1.179 40
IV.PLMA.HHZ. 2011-04-16T21:48:23.85 0.3 undecidable manual Pg 249 94.3389 0.257 77
IV.ASQU.HHE. 2011-04-16T21:48:23.49 0.6 undecidable manual Pg 133 90.9423 0.413 50
IV.BDI.HHZ. 2011-04-16T21:48:22.59 0.3 undecidable manual Sg 221 43.4232 0.105 88
IV.SFI.EHN. 2011-04-16T21:48:22.86 0.3 undecidable manual Pg 125 86.8464 0.396 75
IV.MTRZ.HHE. 2011-04-16T21:48:21.86 0.6 undecidable manual Sg 97 37.4292 0.785 47
IV.SBPO.HHE. 2011-04-16T21:48:21.50 0.6 undecidable manual Pg 358 76.9674 0.514 49
IV.CMPO.HHN. 2011-04-16T21:48:20.68 0.3 undecidable manual Pg 69 71.5728 0.498 75
IV.IMOL.EHE. 2011-04-16T21:48:20.19 0.3 undecidable manual Pg 90 62.2932 1.381 50
IV.BRIS.HHZ. 2011-04-16T21:48:20.33 0.3 undecidable manual Pg 103 65.9895 0.984 62
IV.PRMA.HHZ. 2011-04-16T21:48:20.32 0.3 undecidable manual Pg 312 67.9764 0.678 71
IV.VMG.SHZ. 2011-04-16T21:48:19.02 0.6 undecidable manual Pg 133 64.0914 -0.047 56
IV.RAVA.EHN. 2011-04-16T21:48:19.33 10.0 undecidable manual Pg 0 0 0
GU.MAIM.HHE. 2011-04-16T21:48:18.89 0.3 undecidable manual Pg 217 61.5939 0.194 83
IV.NOVE.EHZ. 2011-04-16T21:48:17.40 0.6 undecidable manual Pg 339 52.503 0.02 58
IV.FNVD.HHZ. 2011-04-16T21:48:17.31 0.3 undecidable manual Sg 148 24.8529 -1.045 66
IV.FIU.EHN. 2011-04-16T21:48:17.34 0.3 undecidable manual Pg 53 52.7028 -0.065 87
IV.SEI.SHZ. 2011-04-16T21:48:15.67 0.6 undecidable manual Pg 136 46.4202 -0.841 46
IV.MTRZ.HHE. 2011-04-16T21:48:15.13 0.3 undecidable manual Pg 97 37.4292 -0.158 87
IV.ZCCA.HHE. 2011-04-16T21:48:15.82 0.3 undecidable manual Sg 115 1.6983 0.255 90
IV.BDI.HHZ. 2011-04-16T21:48:15.34 0.1 undecidable manual Pg 221 43.4232 -0.764 95
IV.ERBM.EHZ. 2011-04-16T21:48:15.42 0.1 undecidable manual Pg 279 43.7229 -0.715 97
IV.FNVD.HHZ. 2011-04-16T21:48:12.46 0.1 undecidable manual Pg 148 24.8529 -1.262 79
IV.ZCCA.HHE. 2011-04-16T21:48:11.25 0.1 undecidable manual Pg 115 1.6983 -0.86 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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