Earthquake with magnitude of ML 2.4 on date 06-04-2021 and time 21:18:13 (UTC) in region 1 km E Mulazzo (MS)

A magnitude ML 2.4 earthquake occured in region: 1 km E Mulazzo (MS), on

  • 06-04-2021 21:18:13 (UTC)
  • 06-04-2021 23:18:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3250, 9.9220 at 8 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Mulazzo MS 1 2424 2424
Filattiera MS 2 2309 4733
Villafranca in Lunigiana MS 4 4770 9503
Bagnone MS 6 1887 11390
Pontremoli MS 7 7357 18747
Tresana MS 10 2044 20791
Calice al Cornoviglio SP 11 1138 21929
Licciana Nardi MS 11 4949 26878
Zeri MS 13 1094 27972
Podenzana MS 13 2180 30152
Aulla MS 13 11263 41415
Zignago SP 15 532 41947
Bolano SP 15 7813 49760
Rocchetta di Vara SP 15 703 50463
Comano MS 17 714 51177
Santo Stefano di Magra SP 18 9360 60537
Brugnato SP 18 1270 61807
Follo SP 19 6337 68144
Fivizzano MS 19 7925 76069
Monchio delle Corti PR 19 933 77002
Beverino SP 19 2429 79431
Borghetto di Vara SP 19 938 80369
Sesta Godano SP 20 1377 81746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NE of La Spezia (93959 inhabitants)
31 Km NW of Carrara (63133 inhabitants)
36 Km NW of Massa (69479 inhabitants)
57 Km NW of Viareggio (62467 inhabitants)
62 Km SW of Parma (192836 inhabitants)
70 Km SW of Reggio nell'Emilia (171345 inhabitants)
71 Km NW of Lucca (89046 inhabitants)
78 Km NW of Pisa (89158 inhabitants)
79 Km E of Genova (586655 inhabitants)
83 Km S of Piacenza (102191 inhabitants)
87 Km W of Modena (184973 inhabitants)
90 Km S of Cremona (71901 inhabitants)
91 Km W of Pistoia (90315 inhabitants)
91 Km NW of Livorno (159219 inhabitants)
92 Km SW of Carpi (70699 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 2.4 2021-04-06
21:18:13
44.3247 9.9223 8 2021-07-12
16:55:07
Bollettino Sismico Italiano INGV 89332661
Reviewed
Rev100
ML 2.4 2021-04-06
21:18:13
44.3383 9.9332 10 2021-04-06
21:28:42
Sala Sismica INGV-Roma 88856141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-06 21:18:13 ± 0.11
Latitude 44.3247 ± 0.0063
Longitude 9.9223 ± 0.0075
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89332661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 554
Semi-minor axis of confidence ellipse (meter) 530
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.16907
Epicentral distance of station farthest from the epicenter (degree) 2.26629
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 89332661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-29 16:09:11

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 88856141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-06 21:28:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.ZIAN.EHZ. 2021-04-06T21:18:52.49 0.6 undecidable manual P 30 251.5593 38 0.69 18
IV.CTI.HHZ. 2021-04-06T21:18:50.13 0.3 undecidable manual P 35 234.0879 38 0.5 33
SI.LUSI.HHZ. 2021-04-06T21:18:45.38 0.3 undecidable manual P 23 198.1572 38 0.21 45
IV.MAGA.HHZ. 2021-04-06T21:18:42.07 0.3 undecidable manual P 19 170.1963 50 0.64 46
IV.MDI.HHZ. 2021-04-06T21:18:41.42 0.3 undecidable manual P 354 161.1165 50 1.38 34
IV.ZONE.HHZ. 2021-04-06T21:18:41.38 0.3 undecidable manual P 5 160.3173 50 1.46 32
IV.SALO.HHZ. 2021-04-06T21:18:40.07 0.3 undecidable manual P 18 151.0377 50 1.58 32
GU.RNCA.HHE. 2021-04-06T21:18:37.28 0.3 undecidable manual S 282 78.6657 50 -0.27 65
GU.CANO.HHZ. 2021-04-06T21:18:36.00 0.3 undecidable manual P 265 134.4654 50 0.06 61
IV.BOB.HNE. 2021-04-06T21:18:32.37 0.3 undecidable manual S 323 61.8936 50 -0.69 59
GU.GORR.HHZ. 2021-04-06T21:18:32.01 0.3 undecidable manual S 302 58.8966 50 -0.26 68
GU.CARD.HHZ. 2021-04-06T21:18:30.70 0.3 undecidable manual S 126 55.5 50 -0.66 61
GU.GSCL.HHE. 2021-04-06T21:18:30.46 0.6 undecidable manual S 87 52.9026 50 -0.21 46
IV.PII.HHZ. 2021-04-06T21:18:28.09 0.1 undecidable manual P 144 82.3509 50 0.19 88
GU.RNCA.HHE. 2021-04-06T21:18:27.84 0.1 undecidable manual P 282 78.6657 50 0.51 82
GU.SARM.EHE. 2021-04-06T21:18:26.85 0.3 undecidable manual S 112 41.1255 50 -0.67 62
IV.BDI.HHZ. 2021-04-06T21:18:24.72 0.3 undecidable manual P 118 60.8946 50 0.12 69
IV.PLMA.HHZ. 2021-04-06T21:18:24.31 0.3 undecidable manual S 190 30.9468 104 -0.15 73
IV.MSSA.HHZ. 2021-04-06T21:18:24.59 0.3 undecidable manual S 268 32.1456 104 -0.27 71
IV.BOB.HNE. 2021-04-06T21:18:24.53 0.1 undecidable manual P 323 61.8936 50 -0.21 91
GU.GORR.HHZ. 2021-04-06T21:18:24.00 0.3 undecidable manual P 302 58.8966 50 -0.28 67
GU.GSCL.HHE. 2021-04-06T21:18:23.37 0.3 undecidable manual P 87 52.9026 50 0.01 72
GU.CARD.HHZ. 2021-04-06T21:18:23.80 0.3 undecidable manual P 126 55.5 50 0.03 71
GU.EQUI.HHZ. 2021-04-06T21:18:22.40 0.3 undecidable manual S 134 25.4523 107 -0.2 73
GU.SARM.EHE. 2021-04-06T21:18:21.26 0.1 undecidable manual P 112 41.1255 50 -0.28 93
IV.NEVI.HNN. 2021-04-06T21:18:21.93 0.3 undecidable manual P 47 42.4242 50 0.19 71
GU.GRAM.HHZ. 2021-04-06T21:18:20.35 0.3 undecidable manual S 32 21.5673 110 -0.99 56
GU.FIVI.HNE. 2021-04-06T21:18:20.86 0.3 undecidable manual S 120 18.7701 113 0.41 70
IV.MSSA.HHZ. 2021-04-06T21:18:20.02 0.1 undecidable manual P 268 32.1456 104 0.02 100
IV.PLMA.HHZ. 2021-04-06T21:18:19.94 0.1 positive manual P 190 30.9468 104 0.16 97
GU.EQUI.HHZ. 2021-04-06T21:18:18.76 0.1 positive manual P 134 25.4523 107 0.06 100
GU.FIVI.HNE. 2021-04-06T21:18:17.72 0.1 undecidable manual P 120 18.7701 113 0.26 97
GU.GRAM.HHZ. 2021-04-06T21:18:17.52 0.1 positive manual P 32 21.5673 110 -0.45 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHE. ML:3.0 0.007075 0.32 AML other m 2021-04-06T21:18:20.62
GU.GRAM.HHN. ML:2.8 0.005019999999999999 0.64 AML other m 2021-04-06T21:18:21.25
GU.EQUI.HHN. ML:1.6 0.00024249999999999999 1.38 AML other m 2021-04-06T21:18:23.26
GU.EQUI.HHE. ML:2.0 0.0005949999999999999 0.12 AML other m 2021-04-06T21:18:23.28
IV.PLMA.HHE. ML:2.1 0.000634 0.42 AML other m 2021-04-06T21:18:24.38
IV.PLMA.HHN. ML:2.1 0.0006655 0.16 AML other m 2021-04-06T21:18:24.63
IV.MSSA.HHN. ML:3.1 0.00618 0.1 AML other m 2021-04-06T21:18:25.20
IV.MSSA.HHE. ML:3.0 0.0053 0.12 AML other m 2021-04-06T21:18:25.56
GU.GORR.HHE. ML:2.1 0.00027449999999999995 0.42 AML other m 2021-04-06T21:18:32.67
GU.GORR.HHN. ML:2.1 0.000258 0.66 AML other m 2021-04-06T21:18:32.45
GU.CARD.HHN. ML:2.4 0.000555 0.8 AML other m 2021-04-06T21:18:36.17
GU.CARD.HHE. ML:2.4 0.0005715 0.14 AML other m 2021-04-06T21:18:37.09
IV.BDI.HHE. ML:2.4 0.00046499999999999997 0.26 AML other m 2021-04-06T21:18:38.42
IV.BDI.HNE. ML:2.3 0.000381 0.48 AML other m 2021-04-06T21:18:38.47
IV.BDI.HNN. ML:2.4 0.0004535 0.22 AML other m 2021-04-06T21:18:38.54
IV.BDI.HHN. ML:2.3 0.00038250000000000003 0.82 AML other m 2021-04-06T21:18:38.84
IV.PII.HHN. ML:2.4 0.00036350000000000005 0.84 AML other m 2021-04-06T21:18:40.46
IV.PII.HHE. ML:2.5 0.000409 1.3 AML other m 2021-04-06T21:18:41.04
GU.CANO.HHN. ML:2.6 0.0002655 0.36 AML other m 2021-04-06T21:18:53.55
GU.CANO.HHE. ML:2.7 0.0002925 0.72 AML other m 2021-04-06T21:18:55.22
IV.ZONE.HHE. ML:2.3 0.0000898 0.22 AML other m 2021-04-06T21:19:04.24
IV.MDI.HHN. ML:2.5 0.00013900000000000002 0.82 AML other m 2021-04-06T21:19:05.04
IV.MDI.HHE. ML:2.4 0.0001072 0.46 AML other m 2021-04-06T21:19:05.56
IV.ZONE.HHN. ML:2.3 0.0000853 0.52 AML other m 2021-04-06T21:19:06.43
IV.MAGA.HHN. ML:2.5 0.0001285 1.04 AML other m 2021-04-06T21:19:07.14
IV.MAGA.HHE. ML:2.8 0.000241 0.38 AML other m 2021-04-06T21:19:10.74
SI.LUSI.HHN. ML:2.6 0.0001295 0.38 AML other m 2021-04-06T21:19:15.35
SI.LUSI.HHE. ML:2.5 0.000107 1.24 AML other m 2021-04-06T21:19:15.21
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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