Earthquake with magnitude of ML 1.8 on date 27-05-2021 and time 04:41:53 (Italy) in region Mulazzo (MS)

A magnitude ML 1.8 earthquake occured in region: Mulazzo (MS), on

  • 27-05-2021 02:41:53 (UTC)
  • 27-05-2021 04:41:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3240, 9.9080 at 7 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 0 2424 2424
Filattiera MS 3 2309 4733
Villafranca in Lunigiana MS 5 4770 9503
Pontremoli MS 6 7357 16860
Bagnone MS 7 1887 18747
Tresana MS 10 2044 20791
Calice al Cornoviglio SP 11 1138 21929
Zeri MS 12 1094 23023
Licciana Nardi MS 12 4949 27972
Podenzana MS 13 2180 30152
Aulla MS 14 11263 41415
Zignago SP 14 532 41947
Rocchetta di Vara SP 14 703 42650
Bolano SP 15 7813 50463
Brugnato SP 17 1270 51733
Santo Stefano di Magra SP 18 9360 61093
Beverino SP 18 2429 63522
Follo SP 18 6337 69859
Borghetto di Vara SP 18 938 70797
Comano MS 18 714 71511
Sesta Godano SP 19 1377 72888
Fivizzano MS 20 7925 80813
Monchio delle Corti PR 20 933 81746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of La Spezia (93959 inhabitants)
31 Km NW of Carrara (63133 inhabitants)
37 Km NW of Massa (69479 inhabitants)
58 Km NW of Viareggio (62467 inhabitants)
63 Km SW of Parma (192836 inhabitants)
71 Km SW of Reggio nell'Emilia (171345 inhabitants)
71 Km NW of Lucca (89046 inhabitants)
78 Km E of Genova (586655 inhabitants)
78 Km NW of Pisa (89158 inhabitants)
83 Km S of Piacenza (102191 inhabitants)
89 Km W of Modena (184973 inhabitants)
91 Km S of Cremona (71901 inhabitants)
92 Km NW of Livorno (159219 inhabitants)
92 Km W of Pistoia (90315 inhabitants)
93 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 1.8 2021-05-27
02:41:53
44.324 9.9077 7 2021-12-29
11:12:03
Bollettino Sismico Italiano INGV 90967641
Reviewed
Rev100
ML 2.0 2021-05-27
02:41:53
44.3235 9.8993 7 2021-05-27
02:51:34
Sala Sismica INGV-Roma 90522981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-27 02:41:53 ± 0.07
Latitude 44.3240 ± 0.0036
Longitude 9.9077 ± 0.0038
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90967641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 314
Semi-minor axis of confidence ellipse (meter) 309
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.17807
Epicentral distance of station farthest from the epicenter (degree) 1.44611
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 90522981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-27 02:51:34

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 23
Type of magnitude ML
Reference to an origin 90967641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-09 09:55:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZONE.HHZ. 2021-05-27T02:42:43.62 3.0 undecidable manual S 160.5171 3.55 0
GU.CANO.HHZ. 2021-05-27T02:42:33.51 0.6 undecidable manual S 265 133.3665 50 0.7 34
IV.ZONE.HHZ. 2021-05-27T02:42:22.91 3.0 undecidable manual P 160.5171 2.37 0
IV.PII.HHZ. 2021-05-27T02:42:19.46 0.6 undecidable manual S 143 82.9503 50 0.09 44
GU.RNCA.HHE. 2021-05-27T02:42:17.94 0.6 undecidable manual S 282 77.5668 50 0.02 46
GU.CANO.HHZ. 2021-05-27T02:42:16.59 0.6 undecidable manual P 265 133.3665 50 0.24 39
IV.BOB.HHE. 2021-05-27T02:42:13.55 0.6 undecidable manual S 324 61.1943 50 -0.01 47
GU.GORR.HHZ. 2021-05-27T02:42:12.38 0.6 undecidable manual S 303 57.8976 50 -0.31 45
GU.GSCL.HHZ. 2021-05-27T02:42:11.74 0.3 undecidable manual S 87 54.1014 50 0.09 70
GU.RNCA.HHE. 2021-05-27T02:42:08.29 0.6 undecidable manual P 282 77.5668 50 0.54 41
GU.SARM.EHN. 2021-05-27T02:42:08.01 0.6 undecidable manual S 111 42.1245 50 -0.46 44
MN.VLC.HHZ. 2021-05-27T02:42:08.18 0.6 undecidable manual S 115 42.2244 50 -0.31 46
IV.PII.HHZ. 2021-05-27T02:42:08.46 0.3 undecidable manual P 143 82.9503 50 -0.13 66
GU.POPM.HHZ. 2021-05-27T02:42:07.38 0.6 undecidable manual P 114 74.2701 50 0.13 45
GU.MAIM.HHZ. 2021-05-27T02:42:06.22 0.6 undecidable manual P 134 65.0904 50 0.39 43
IV.BOB.HHE. 2021-05-27T02:42:05.16 0.6 undecidable manual P 324 61.1943 50 -0.07 47
IV.BDI.HNZ. 2021-05-27T02:42:05.36 0.6 undecidable manual P 118 61.8936 50 0.02 47
IV.PLMA.HHZ. 2021-05-27T02:42:04.44 0.6 undecidable manual S 188 30.747 103 -0.34 46
GU.GORR.HHZ. 2021-05-27T02:42:04.58 0.6 undecidable manual P 303 57.8976 50 -0.15 46
IV.MSSA.HHZ. 2021-05-27T02:42:04.58 0.3 undecidable manual S 269 30.9468 103 -0.29 70
GU.GSCL.HHZ. 2021-05-27T02:42:04.25 0.3 undecidable manual P 87 54.1014 50 0.12 70
GU.CARD.HHZ. 2021-05-27T02:42:04.54 0.6 undecidable manual P 126 56.3991 50 0.05 47
GU.EQUI.HHZ. 2021-05-27T02:42:03.11 0.6 undecidable manual S 132 26.2515 105 -0.16 49
IV.NEVI.HNE. 2021-05-27T02:42:02.89 0.6 undecidable manual P 48 43.3233 50 0.42 45
GU.FIVI.HNE. 2021-05-27T02:42:01.89 0.6 undecidable manual S 118 19.7691 109 0.76 41
GU.GRAM.HHZ. 2021-05-27T02:42:01.72 0.6 undecidable manual S 34 22.2555 107 -0.23 48
GU.SARM.EHN. 2021-05-27T02:42:01.91 0.3 undecidable manual P 111 42.1245 50 -0.38 68
MN.VLC.HHZ. 2021-05-27T02:42:01.93 0.6 undecidable manual P 115 42.2244 50 -0.37 45
IV.PLMA.HHZ. 2021-05-27T02:42:00.17 0.3 undecidable manual P 188 30.747 103 0.01 75
IV.MSSA.HHZ. 2021-05-27T02:42:00.30 0.3 undecidable manual P 269 30.9468 103 0.08 74
GU.EQUI.HHZ. 2021-05-27T02:41:59.28 0.3 undecidable manual P 132 26.2515 105 -0.01 75
GU.FIVI.HNE. 2021-05-27T02:41:58.26 0.3 undecidable manual P 118 19.7691 109 0.2 73
GU.GRAM.HHZ. 2021-05-27T02:41:58.47 0.1 positive manual P 34 22.2555 107 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHE. ML:2.5 0.00239 0.22 AML other m 2021-05-27T02:42:02.00
GU.GRAM.HHN. ML:2.4 0.0016063285000000001 0.1392 AML other m 2021-05-27T02:42:03.38
IV.MSSA.HHN. ML:3.1 0.0060228734999999995 0.12 AML other m 2021-05-27T02:42:04.92
IV.MSSA.HHE. ML:2.9 0.003995 0.14 AML other m 2021-05-27T02:42:04.95
MN.VLC.HHE. ML:1.4 0.000074809095 0.56 AML other m 2021-05-27T02:42:13.98
MN.VLC.HHN. ML:1.4 0.000084773845 0.36 AML other m 2021-05-27T02:42:12.74
GU.GSCL.HHE. ML:2.0 0.0002665 1.74 AML other m 2021-05-27T02:42:12.12
GU.GORR.HHE. ML:1.7 0.000117756425 0.2608 AML other m 2021-05-27T02:42:13.22
GU.GSCL.HHN. ML:1.9 0.0001945 1.6 AML other m 2021-05-27T02:42:16.85
GU.GORR.HHN. ML:1.7 0.00011950445 0.2192 AML other m 2021-05-27T02:42:15.89
IV.PII.HHN. ML:1.9 0.000115547775 0.2 AML other m 2021-05-27T02:42:21.80
IV.PII.HHE. ML:2.0 0.000125 1.66 AML other m 2021-05-27T02:42:21.00
GU.CANO.HHE. ML:2.4 0.00014299999999999998 1.62 AML other m 2021-05-27T02:42:33.13
GU.CANO.HHN. ML:2.3 0.0001285 0.36 AML other m 2021-05-27T02:42:36.15
GU.GBOS.HHN. ML:1.7 0.0000222 0.42 AML other m 2021-05-27T02:42:44.78
GU.GBOS.HHE. ML:1.5 0.00001525 0.46 AML other m 2021-05-27T02:42:47.16
IV.ZONE.HHE. ML:1.9 0.000036605115 0.24 AML other m 2021-05-27T02:42:48.71
GU.EQUI.HHN. ML:1.4 0.0001344652 0.6592 AML other m 2021-05-27T02:42:09.66
GU.EQUI.HHE. ML:1.5 0.00018858725 0.4608 AML other m 2021-05-27T02:42:08.43
IV.PLMA.HHE. ML:1.5 0.00016747215 0.12 AML other m 2021-05-27T02:42:05.82
IV.PLMA.HHN. ML:1.7 0.0002562185 0.1392 AML other m 2021-05-27T02:42:05.01
MN.VLC.HNN. ML:1.4 0.00008303468499999999 0.36 AML other m 2021-05-27T02:42:12.74
MN.VLC.HNE. ML:1.6 0.000126932885 0.7184 AML other m 2021-05-27T02:42:10.59
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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