Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 14-04-2021 and time 03:17:49 (Italy) in region 3 km E Licciana Nardi (MS)

A magnitude ML 1.4 earthquake occured in region: 3 km E Licciana Nardi (MS), on

  • 14-04-2021 01:17:49 (UTC)
  • 14-04-2021 03:17:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2520, 10.0760 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Licciana Nardi MS 3 4949 4949
Fivizzano MS 4 7925 12874
Comano MS 7 714 13588
Bagnone MS 10 1887 15475
Aulla MS 10 11263 26738
Casola in Lunigiana MS 10 988 27726
Tresana MS 10 2044 29770
Villafranca in Lunigiana MS 11 4770 34540
Podenzana MS 12 2180 36720
Fosdinovo MS 14 4883 41603
Minucciano LU 14 2102 43705
Filattiera MS 14 2309 46014
Mulazzo MS 16 2424 48438
Bolano SP 16 7813 56251
Santo Stefano di Magra SP 16 9360 65611
Castelnuovo Magra SP 18 8415 74026
Sarzana SP 18 21976 96002
Sillano Giuncugnano LU 18 1085 97087
Monchio delle Corti PR 18 933 98020
Ortonovo SP 19 8277 106297
Calice al Cornoviglio SP 19 1138 107435
Carrara MS 19 63133 170568
Vezzano Ligure SP 20 7356 177924
Piazza al Serchio LU 20 2367 180291
Follo SP 20 6337 186628

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of Carrara (63133 inhabitants)
25 Km N of Massa (69479 inhabitants)
25 Km NE of La Spezia (93959 inhabitants)
45 Km NW of Viareggio (62467 inhabitants)
57 Km NW of Lucca (89046 inhabitants)
64 Km SW of Parma (192836 inhabitants)
65 Km NW of Pisa (89158 inhabitants)
66 Km SW of Reggio nell'Emilia (171345 inhabitants)
76 Km W of Pistoia (90315 inhabitants)
80 Km N of Livorno (159219 inhabitants)
81 Km SW of Modena (184973 inhabitants)
87 Km SW of Carpi (70699 inhabitants)
91 Km W of Prato (191150 inhabitants)
93 Km E of Genova (586655 inhabitants)
94 Km SE of Piacenza (102191 inhabitants)
98 Km S 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
Reviewed
Rev100 		ML 1.4 2021-04-14
01:17:49		 44.2525 10.0765 10 2021-04-14
01:30:43		 Sala Sismica INGV-Roma 89081501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-14 01:17:49 ± 0.09
Latitude 44.2525 ± 0.0054
Longitude 10.0765 ± 0.0075
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 89081501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 690
Semi-minor axis of confidence ellipse (meter) 444
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68259
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 89081501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-14 01:30:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZONE.HHZ. 2021-04-14T01:18:37.76 3.0 undecidable manual S 0.29 0
IV.FREG.EHZ. 2021-04-14T01:18:31.06 3.0 undecidable manual Pn 2.63 0
IV.ZCCA.HHZ. 2021-04-14T01:18:18.03 3.0 undecidable manual S 0
IV.PII.HHZ. 2021-04-14T01:18:09.87 0.3 undecidable manual S 149 68.8755 50 -0.34 63
GU.MAIM.HHE. 2021-04-14T01:18:05.00 0.3 undecidable manual S 139 50.1165 50 -0.2 67
IV.ZCCA.HHZ. 2021-04-14T01:18:05.45 3.0 undecidable manual P 0
IV.BDI.HHE. 2021-04-14T01:18:04.03 0.6 undecidable manual S 117 46.3203 50 -0.17 46
IV.BOB.HHE. 2021-04-14T01:18:03.03 0.3 undecidable manual P 319 75.7686 50 0.63 57
IV.MSSA.HHZ. 2021-04-14T01:18:03.87 0.6 undecidable manual S 279 44.9217 50 0.05 47
GU.CARD.HHZ. 2021-04-14T01:18:02.78 0.3 undecidable manual S 128 40.9257 50 0.04 71
IV.PII.HHZ. 2021-04-14T01:18:01.81 0.3 positive manual P 149 68.8755 50 0.48 61
IV.BDI.HHE. 2021-04-14T01:17:58.13 1.0 undecidable manual P 117 46.3203 50 0.27 22
MN.VLC.HHE. 2021-04-14T01:17:58.99 0.3 undecidable manual S 113 26.751 50 0.04 73
GU.GRAM.HHZ. 2021-04-14T01:17:58.31 0.1 undecidable manual S 358 26.4513 50 -0.56 86
IV.PLMA.HHZ. 2021-04-14T01:17:58.79 0.3 undecidable manual S 218 28.6491 50 -0.67 61
GU.SARM.EHE. 2021-04-14T01:17:58.78 0.6 undecidable manual S 106 26.8509 50 -0.21 47
GU.MAIM.HHE. 2021-04-14T01:17:58.68 0.6 undecidable manual P 139 50.1165 50 0.24 45
IV.MSSA.HHZ. 2021-04-14T01:17:57.86 0.3 undecidable manual P 279 44.9217 50 0.21 68
GU.CARD.HHZ. 2021-04-14T01:17:57.44 0.1 undecidable manual P 128 40.9257 50 0.42 87
IV.PLMA.HHZ. 2021-04-14T01:17:55.18 0.1 undecidable manual P 218 28.6491 50 0.05 96
GU.SARM.EHE. 2021-04-14T01:17:54.97 0.1 undecidable manual P 106 26.8509 50 0.11 95
MN.VLC.HHE. 2021-04-14T01:17:54.95 0.1 undecidable manual P 113 26.751 50 0.12 95
GU.GRAM.HHZ. 2021-04-14T01:17:54.75 0.3 negative manual P 358 26.4513 50 -0.04 73
GU.EQUI.HHZ. 2021-04-14T01:17:54.45 0.1 undecidable manual S 148 11.3775 132 -0.11 98
GU.EQUI.HHZ. 2021-04-14T01:17:52.41 0.1 negative manual P 148 11.3775 132 0.11 98
GU.FIVI.HNZ. 2021-04-14T01:17:52.80 0.1 undecidable manual S 110 4.2957 158 -0.32 95
GU.FIVI.HNZ. 2021-04-14T01:17:51.53 0.1 undecidable manual P 110 4.2957 158 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.EQUI.HHN. ML:1.0 0.00011989999999999999 0.24 AML other m 2021-04-14T01:17:54.67
GU.EQUI.HHE. ML:1.2 0.00018966920000000002 0.1 AML other m 2021-04-14T01:17:54.78
GU.GRAM.HHE. ML:1.8 0.000348 0.28 AML other m 2021-04-14T01:17:58.60
IV.PLMA.HHE. ML:1.2 0.00008630612 0.18 AML other m 2021-04-14T01:17:59.12
IV.PLMA.HHN. ML:1.3 0.0001113927 0.1 AML other m 2021-04-14T01:17:59.12
GU.GRAM.HHN. ML:1.7 0.0002805 0.3 AML other m 2021-04-14T01:18:00.97
GU.CARD.HHN. ML:1.2 0.00006134133999999999 0.12 AML other m 2021-04-14T01:18:07.97
GU.CARD.HHE. ML:1.2 0.00005853053 0.16 AML other m 2021-04-14T01:18:08.06
IV.PII.HHE. ML:1.6 0.00006983790000000001 0.24 AML other m 2021-04-14T01:18:11.63
IV.PII.HHN. ML:1.6 0.000060950000000000004 1.8 AML other m 2021-04-14T01:18:14.01
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