Earthquake with magnitude of ML 1.5 on date 04-08-2022 and time 10:32:57 (UTC) in region 3 km SW Monterotondo Marittimo (GR)

A magnitude ML 1.5 earthquake occured in region: 3 km SW Monterotondo Marittimo (GR), on

  • 04-08-2022 10:32:57 (UTC)
  • 04-08-2022 12:32:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1340, 10.8310 at 4 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
Monterotondo Marittimo GR 3 1371 1371
Castelnuovo di Val di Cecina PI 10 2231 3602
Massa Marittima GR 10 8375 11977
Monteverdi Marittimo PI 11 758 12735
Suvereto LI 14 3072 15807
Montieri GR 15 1204 17011
Sassetta LI 15 514 17525
Castagneto Carducci LI 18 9010 26535
Pomarance PI 19 5897 32432
Campiglia Marittima LI 19 13218 45650

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km W of Siena (53903 inhabitants)
47 Km NW of Grosseto (82087 inhabitants)
63 Km SE of Livorno (159219 inhabitants)
74 Km SE of Pisa (89158 inhabitants)
75 Km SW of Scandicci (50609 inhabitants)
79 Km SW of Firenze (382808 inhabitants)
83 Km SE of Lucca (89046 inhabitants)
86 Km S of Prato (191150 inhabitants)
89 Km S of Pistoia (90315 inhabitants)
93 Km W of Arezzo (99543 inhabitants)
94 Km SE of Viareggio (62467 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 1.5 2022-08-04
10:32:57
43.1338 10.8312 4 2023-01-31
19:03:38
Bollettino Sismico Italiano INGV 109390611
Reviewed
Rev100
ML 1.5 2022-08-04
10:32:57
43.1322 10.8257 4 2022-08-04
10:41:32
Sala Sismica INGV-Roma 108101121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-04 10:32:57 ± 0.13
Latitude 43.1338 ± 0.0063
Longitude 10.8312 ± 0.0099
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109390611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 813
Semi-minor axis of confidence ellipse (meter) 491
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.14214
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 109390611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-06 08:17:00

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 108101121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-04 10:41:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ECTS.HHZ. 2022-08-04T10:34:48.70 3.0 negative manual Pg 14.15 0
IV.PTRJ.HHZ. 2022-08-04T10:34:38.07 3.0 undecidable manual Sg 2.17 0
IV.SPS2.HHZ. 2022-08-04T10:34:37.78 3.0 negative manual Pg 10.73 0
CR.STON.BHZ. 2022-08-04T10:34:35.06 3.0 undecidable manual Pg 17.66 0
CH.FUORN.HHZ. 2022-08-04T10:34:34.25 3.0 undecidable manual Sn -1.49 0
OX.SABO.HHZ. 2022-08-04T10:34:33.51 3.0 undecidable manual Sn -2.6 0
IV.GRI.EHZ. 2022-08-04T10:34:33.31 3.0 undecidable manual Pn 0.97 0
IV.MFNL.HHZ. 2022-08-04T10:34:31.97 3.0 undecidable manual Pg 5.64 0
IV.CET2.HHZ. 2022-08-04T10:34:31.57 3.0 undecidable manual Pg 9.72 0
IV.IFIL.HHZ. 2022-08-04T10:34:28.18 3.0 undecidable manual Pg 4.69 0
IV.MSRU.HHZ. 2022-08-04T10:34:28.24 3.0 undecidable manual Pn -4.1 0
GU.PZZ.HHZ. 2022-08-04T10:34:26.28 3.0 undecidable manual Sn 0.83 0
IV.CDRU.HHZ. 2022-08-04T10:34:19.26 3.0 undecidable manual Pg 11.48 0
IX.SSB3.HHZ.02 2022-08-04T10:34:05.37 3.0 undecidable manual Pg 3.23 0
IV.FDMO.HHZ. 2022-08-04T10:33:56.77 3.0 undecidable manual Sg 1.81 0
CH.MUGIO.HHZ. 2022-08-04T10:33:50.67 3.0 undecidable manual Pn 2.76 0
IV.ARVD.HHZ. 2022-08-04T10:33:49.66 3.0 undecidable manual Sn -2.45 0
IV.SSFR.HHZ. 2022-08-04T10:33:47.54 3.0 undecidable manual S -1.6 0
IV.RCAV.EHZ. 2022-08-04T10:33:39.51 3.0 undecidable manual Pg 2.39 0
GU.GSCL.HHZ. 2022-08-04T10:33:38.71 3.0 undecidable manual S -0.91 0
IV.MOMA.HHZ. 2022-08-04T10:33:23.21 3.0 negative manual P -3.53 0
GU.EQUI.HHZ. 2022-08-04T10:33:19.37 0.3 undecidable manual P 335 126.7731 50 0.05 63
MN.VLC.HHZ. 2022-08-04T10:33:18.51 0.3 undecidable manual P 343 119.1918 50 0.35 60
IV.MGAB.HHZ. 2022-08-04T10:33:17.14 0.3 undecidable manual P 103 106.7154 50 0.9 51
IV.SEI.HHZ. 2022-08-04T10:33:17.00 0.3 undecidable manual P 22 110.5005 50 0.18 64
IV.MPPT.EHZ. 2022-08-04T10:33:14.49 0.3 undecidable manual P 13 93.7395 50 0.26 65
IV.CSNT.HHZ. 2022-08-04T10:33:14.19 0.3 undecidable manual S 44 52.8027 50 -1.36 45
IV.CAFI.HHZ. 2022-08-04T10:33:14.52 0.3 undecidable manual P 76 94.239 50 0.2 65
GU.MAIM.HHZ. 2022-08-04T10:33:13.67 0.3 undecidable manual P 343 90.6426 50 -0.09 68
IV.CRMI.HHZ. 2022-08-04T10:33:11.07 0.3 undecidable manual P 9 74.37 50 -0.18 68
IV.PII.HHZ. 2022-08-04T10:33:11.09 0.3 undecidable manual P 339 69.7746 50 0.55 63
IV.CASP.HHZ. 2022-08-04T10:33:10.28 0.3 undecidable manual S 176 38.1285 97 -0.56 67
IV.CELB.HHN. 2022-08-04T10:33:10.13 0.3 undecidable manual P 230 66.1893 50 0.14 70
IV.ARCI.HHZ. 2022-08-04T10:33:09.41 0.3 undecidable manual P 121 60.8946 50 0.23 69
IV.CSNT.HHZ. 2022-08-04T10:33:07.34 0.3 undecidable manual P 44 52.8027 50 -0.59 64
IV.FROS.CHZ. 2022-08-04T10:33:07.34 0.6 undecidable manual S 72 27.6501 99 0.12 50
IV.OSSC.HHZ. 2022-08-04T10:33:07.90 0.1 positive manual P 38 54.7008 50 -0.31 92
IV.RIBO.EHE.01 2022-08-04T10:33:06.69 0.3 undecidable manual S 140 26.9508 99 -0.3 73
IV.CASP.HHZ. 2022-08-04T10:33:04.99 0.1 undecidable manual P 176 38.1285 97 -0.22 97
IV.MAGO.CHZ. 2022-08-04T10:33:04.44 0.3 undecidable manual S 318 20.868 102 -0.47 71
IV.RIBO.EHE.01 2022-08-04T10:33:03.44 0.1 undecidable manual P 140 26.9508 99 0.46 94
IV.FROS.CHZ. 2022-08-04T10:33:03.32 0.1 undecidable manual P 72 27.6501 99 0.2 99
IV.MAGO.CHZ. 2022-08-04T10:33:01.99 0.1 positive manual P 318 20.868 102 0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CASP.HHE. ML:1.8 0.0002295 0.28 AML other m 2022-08-04T10:33:11.69
IV.CASP.HHN. ML:1.7 0.00020750000000000003 1.12 AML other m 2022-08-04T10:33:12.40
IV.CRMI.HHN. ML:1.6 0.00005755 0.52 AML other m 2022-08-04T10:33:14.88
IV.CSNT.HHN. ML:1.4 0.00005795 0.16 AML other m 2022-08-04T10:33:15.09
IV.OSSC.HHN. ML:1.5 0.00007075000000000001 1.06 AML other m 2022-08-04T10:33:15.80
IV.OSSC.HHE. ML:1.4 0.00006520000000000001 0.84 AML other m 2022-08-04T10:33:16.20
GU.MAIM.HHE. ML:1.5 0.00003585 1.04 AML other m 2022-08-04T10:33:16.31
IV.CSNT.HHE. ML:1.4 0.0000597 0.8 AML other m 2022-08-04T10:33:16.84
GU.MAIM.HHN. ML:1.6 0.0000449 0.42 AML other m 2022-08-04T10:33:17.63
IV.ARCI.HHN. ML:1.6 0.0000887 1.62 AML other m 2022-08-04T10:33:18.92
IV.ARCI.HHE. ML:1.6 0.00008225 0.22 AML other m 2022-08-04T10:33:19.18
IV.PII.HHN. ML:1.9 0.0001255 0.38 AML other m 2022-08-04T10:33:20.47
IV.PII.HHE. ML:1.8 0.0001144 0.28 AML other m 2022-08-04T10:33:21.34
IV.MPPT.EHN. ML:1.4 0.00003065 0.78 AML other m 2022-08-04T10:33:22.67
IV.MGAB.HHN. ML:1.4 0.0000204 0.54 AML other m 2022-08-04T10:33:22.46
IV.CRMI.HHE. ML:1.2 0.00002565 1.56 AML other m 2022-08-04T10:33:22.79
IV.MPPT.EHE. ML:1.4 0.000030850000000000004 0.6 AML other m 2022-08-04T10:33:28.80
IV.CAFI.HHE. ML:1.3 0.000017899999999999998 1.34 AML other m 2022-08-04T10:33:29.82
IV.CAFI.HHN. ML:1.1 0.000015050000000000002 0.64 AML other m 2022-08-04T10:33:33.60
MN.VLC.HHN. ML:1.3 0.0000156 0.8 AML other m 2022-08-04T10:33:35.77
MN.VLC.HHE. ML:1.3 0.0000134 1.2 AML other m 2022-08-04T10:33:39.21
IV.MGAB.HHE. ML:1.4 0.00001865 0.48 AML other m 2022-08-04T10:33:40.75
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