Earthquake with magnitude of ML 1.6 on date 05-10-2021 and time 11:43:51 (UTC) in region 9 km W Frassinoro (MO)

A magnitude ML 1.6 earthquake occured in region: 9 km W Frassinoro (MO), on

  • 05-10-2021 11:43:51 (UTC)
  • 05-10-2021 13:43:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.28, 10.462 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Frassinoro MO 9 1926 1926
Villa Minozzo RE 10 3750 5676
Toano RE 13 4463 10139
Sillano Giuncugnano LU 14 1085 11224
Villa Collemandina LU 14 1334 12558
Ventasso RE 15 4295 16853
Pievepelago MO 15 2222 19075
Castiglione di Garfagnana LU 15 1818 20893
San Romano in Garfagnana LU 15 1410 22303
Palagano MO 16 2194 24497
Montefiorino MO 16 2203 26700
Riolunato MO 16 712 27412
Piazza al Serchio LU 17 2367 29779
Camporgiano LU 17 2176 31955
Pieve Fosciana LU 17 2414 34369
Castelnovo ne' Monti RE 18 10465 44834
Fosciandora LU 18 602 45436
Fiumalbo MO 19 1280 46716
Castelnuovo di Garfagnana LU 19 5950 52666
Carpineti RE 20 4064 56730

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Carrara (63133 inhabitants)
37 Km NE of Massa (69479 inhabitants)
48 Km S of Reggio nell'Emilia (171345 inhabitants)
49 Km N of Lucca (89046 inhabitants)
49 Km NE of Viareggio (62467 inhabitants)
53 Km NW of Pistoia (90315 inhabitants)
54 Km E of La Spezia (93959 inhabitants)
55 Km SW of Modena (184973 inhabitants)
59 Km S of Parma (192836 inhabitants)
63 Km N of Pisa (89158 inhabitants)
65 Km SW of Carpi (70699 inhabitants)
68 Km NW of Prato (191150 inhabitants)
74 Km W of Bologna (386663 inhabitants)
82 Km NW of Scandicci (50609 inhabitants)
82 Km N of Livorno (159219 inhabitants)
85 Km NW of Firenze (382808 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.6 2021-10-05
11:43:51
44.2803 10.4615 11 2021-10-05
12:19:29
Sala Sismica INGV-Roma 96255991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-05 11:43:51 ± 0.1
Latitude 44.2803 ± 0.0063
Longitude 10.4615 ± 0.0063
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 96255991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 656
Semi-minor axis of confidence ellipse (meter) 541
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 3
Circular confidence region, given by single value of horizontal uncertainty (meter) 660
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.36782
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 96255991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-05 12:19:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CMDO.HHZ. 2021-10-05T11:45:39.46 3.0 undecidable manual Pn 1.36 0
IV.JOPP.HHZ. 2021-10-05T11:45:38.59 3.0 undecidable manual Pn 5.15 0
IV.MCEL.HHZ. 2021-10-05T11:45:33.77 3.0 undecidable manual Pg 19.9 0
IV.LADO.EHZ. 2021-10-05T11:45:32.73 3.0 undecidable manual Pn -0.13 0
IV.ALJA.HHZ. 2021-10-05T11:45:31.50 3.0 undecidable manual Pn -2.65 0
IV.TDS.HHZ. 2021-10-05T11:45:28.47 3.0 undecidable manual Pn 3.96 0
IV.POFI.HHZ. 2021-10-05T11:45:27.82 3.0 undecidable manual Sn -3.4 0
IV.SGO.HHZ. 2021-10-05T11:45:24.41 3.0 undecidable manual Pg 16.370001 0
IV.FAGN.HHZ. 2021-10-05T11:45:24.02 3.0 undecidable manual Sg 4.54 0
IV.VIVA.HHZ. 2021-10-05T11:45:19.88 3.0 undecidable manual Sn -1.13 0
IV.RMP.HHZ. 2021-10-05T11:45:11.96 3.0 undecidable manual Sn -7.14 0
IV.TOLF.HHZ. 2021-10-05T11:45:06.27 3.0 undecidable manual Sn -1.69 0
IV.BSSO.HHZ. 2021-10-05T11:45:00.61 3.0 undecidable manual Pg 7.64 0
SL.LJU.BHZ. 2021-10-05T11:44:39.67 3.0 undecidable manual Pn 2.15 0
IV.CPGN.EHZ. 2021-10-05T11:44:35.65 3.0 undecidable manual S -2.01 0
IV.MNTP.HNZ. 2021-10-05T11:44:30.25 3.0 positive manual Pn 0.43 0
IV.MNTT.EHZ. 2021-10-05T11:44:28.46 3.0 undecidable manual Pn -3 0
IV.BRIS.HHZ. 2021-10-05T11:44:23.40 3.0 undecidable manual S 0.49 0
IV.SFI.EHZ. 2021-10-05T11:44:23.00 3.0 undecidable manual S -6.35 0
GU.MGRO.HHZ. 2021-10-05T11:44:22.26 3.0 negative manual Pn 0.49 0
IV.IMOL.HNZ. 2021-10-05T11:44:19.03 3.0 undecidable manual S -1.76 0
IV.RIBO.EHZ.01 2021-10-05T11:44:16.03 3.0 positive manual Pn -1.62 0
IV.SARZ.HNZ. 2021-10-05T11:44:08.50 3.0 undecidable manual P -1.44 0
GU.CAVE.HHZ. 2021-10-05T11:44:07.68 3.0 undecidable manual P 0
IV.ZEN8.EHZ. 2021-10-05T11:44:07.41 3.0 undecidable manual P -0.14 0
GU.MAIM.HHZ. 2021-10-05T11:44:04.38 0.3 undecidable manual S 177 0.3678 50 -0.31 68
GU.POPM.HHZ. 2021-10-05T11:44:03.44 0.3 undecidable manual S 138 0.3166 50 0.27 70
IV.PII.HHZ. 2021-10-05T11:44:02.56 3.0 positive manual P -2.81 0
GU.CARD.HHZ. 2021-10-05T11:44:01.41 0.3 undecidable manual S 177 0.2545 50 0.08 73
GU.FIVI.HNZ. 2021-10-05T11:44:00.97 0.3 undecidable manual S 260 0.2428 50 -0.02 74
IV.BDI.HHZ. 2021-10-05T11:44:00.46 0.3 undecidable manual S 156 0.2374 50 -0.38 69
GU.EQUI.HHE. 2021-10-05T11:44:00.81 0.3 undecidable manual S 243 0.2491 50 -0.35 69
GU.POPM.HHZ. 2021-10-05T11:43:58.42 0.3 undecidable manual P 138 0.3166 50 0.3 69
GU.MAIM.HHZ. 2021-10-05T11:43:58.85 0.6 undecidable manual P 177 0.3678 50 -0.14 47
GU.CARD.HHZ. 2021-10-05T11:43:57.07 0.3 undecidable manual P 177 0.2545 50 0.01 74
GU.FIVI.HNZ. 2021-10-05T11:43:57.19 0.3 undecidable manual P 260 0.2428 50 0.33 70
GU.SARM.EHE. 2021-10-05T11:43:56.55 0.3 undecidable manual S 204 0.1052 132 -0.13 75
GU.GSCL.HHZ. 2021-10-05T11:43:56.48 0.3 undecidable manual S 52 0.1142 130 -0.46 70
IV.BDI.HHZ. 2021-10-05T11:43:56.93 0.1 undecidable manual P 156 0.2374 50 0.16 97
GU.EQUI.HHE. 2021-10-05T11:43:56.95 0.3 undecidable manual P 243 0.2491 50 -0.01 75
IV.SBPO.HNZ. 2021-10-05T11:43:55.54 3.0 positive manual P -2.31 0
GU.SARM.EHE. 2021-10-05T11:43:54.67 0.1 undecidable manual P 204 0.1052 132 0.3 96
GU.GSCL.HHZ. 2021-10-05T11:43:54.63 0.1 undecidable manual P 52 0.1142 130 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHN. ML:1.8 0.0007733833 0.16 AML other m 2021-10-05T11:43:57.00
GU.GSCL.HHE. ML:1.7 0.0005515 0.18 AML other m 2021-10-05T11:43:56.89
IV.BDI.HHN. ML:1.5 0.000175593 0.16 AML other m 2021-10-05T11:44:01.04
GU.CARD.HHE. ML:1.8 0.0003255 0.12 AML other m 2021-10-05T11:44:01.69
IV.BDI.HHE. ML:1.5 0.0001807105 0.2176 AML other m 2021-10-05T11:44:00.98
GU.CARD.HHN. ML:1.4 0.0001162586 0.064 AML other m 2021-10-05T11:44:02.09
GU.POPM.HHN. ML:1.8 0.00024495485 0.1216 AML other m 2021-10-05T11:44:04.67
GU.POPM.HHE. ML:1.8 0.00024522 0.1408 AML other m 2021-10-05T11:44:04.55
IV.BDI.HNE. ML:1.5 0.0001661894 0.1664 AML other m 2021-10-05T11:44:01.53
IV.BDI.HNN. ML:1.4 0.00015250205 0.2048 AML other m 2021-10-05T11:44:01.05
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