Earthquake with magnitude of ML 1.4 on date 11-07-2022 and time 15:02:02 (Italy) in region 6 km E Monterotondo Marittimo (GR)

A magnitude ML 1.4 earthquake occured in region: 6 km E Monterotondo Marittimo (GR), on

  • 11-07-2022 13:02:02 (UTC)
  • 11-07-2022 15:02:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1530, 10.9290 at 10 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 6 1371 1371
Castelnuovo di Val di Cecina PI 6 2231 3602
Montieri GR 8 1204 4806
Massa Marittima GR 12 8375 13181
Chiusdino SI 13 1903 15084
Radicondoli SI 15 914 15998
Pomarance PI 17 5897 21895
Monteverdi Marittimo PI 17 758 22653

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Siena (53903 inhabitants)
46 Km NW of Grosseto (82087 inhabitants)
67 Km SE of Livorno (159219 inhabitants)
70 Km SW of Scandicci (50609 inhabitants)
74 Km SW of Firenze (382808 inhabitants)
76 Km SE of Pisa (89158 inhabitants)
82 Km S of Prato (191150 inhabitants)
84 Km SE of Lucca (89046 inhabitants)
85 Km W of Arezzo (99543 inhabitants)
87 Km S of Pistoia (90315 inhabitants)
96 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 1.4 2022-07-11
13:02:02
43.1533 10.9287 10 2023-01-31
19:03:46
Bollettino Sismico Italiano INGV 109886241
Reviewed
Rev100
ML 1.5 2022-07-11
13:02:02
43.1172 10.9307 1 2022-07-11
13:11:43
Sala Sismica INGV-Roma 107123601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-11 13:02:02 ± 0.26
Latitude 43.1533 ± 0.0153
Longitude 10.9287 ± 0.0160
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109886241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1806
Semi-minor axis of confidence ellipse (meter) 968
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 1810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50002
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 109886241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-19 08:35:59

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 107123601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-11 13:11:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACATE.HNZ. 2022-07-11T13:03:57.86 3.0 negative manual Pg 16.26 0
NI.PALA.HHZ. 2022-07-11T13:03:39.32 3.0 undecidable manual Sn 3.74 0
SI.MOSI.HHZ. 2022-07-11T13:03:35.46 3.0 undecidable manual Sn -1.72 0
IV.ECTS.HHZ. 2022-07-11T13:03:35.08 3.0 negative manual Pn 1.04 0
IV.GALF.HHZ. 2022-07-11T13:03:30.43 3.0 negative manual Pn -2.88 0
ST.CARE.HNZ. 2022-07-11T13:03:28.48 3.0 undecidable manual Sn -3.88 0
IV.CSLB.HHZ. 2022-07-11T13:03:25.92 3.0 undecidable manual Pn -2.26 0
GU.RORO.HHZ. 2022-07-11T13:03:17.12 3.0 undecidable manual Sg 8.15 0
IV.MCRV.HHZ. 2022-07-11T13:03:14.09 3.0 undecidable manual Pg 10.55 0
IT.MMP1.HGZ. 2022-07-11T13:02:54.26 3.0 undecidable manual Sn 0.37 0
IV.RNI2.HHZ. 2022-07-11T13:02:50.32 3.0 undecidable manual Pn 2.75 0
IV.ARCI.HHZ. 2022-07-11T13:02:19.27 0.3 undecidable manual S 127 55.5 50 -0.68 61
IV.CAFI.HHZ. 2022-07-11T13:02:18.07 3.0 negative manual P -0.08 0
IV.CELB.HHZ. 2022-07-11T13:02:16.64 3.0 undecidable manual P 0
IV.CASP.HHZ. 2022-07-11T13:02:15.29 0.6 undecidable manual S 187 40.5261 50 -0.66 42
IV.ARCI.HHZ. 2022-07-11T13:02:12.88 0.1 negative manual P 127 55.5 50 0.33 90
IV.MALA3.EHN. 2022-07-11T13:02:11.51 0.1 undecidable manual P 110 47.619 50 0.19 94
IV.MALA1.EHN. 2022-07-11T13:02:11.50 0.1 undecidable manual P 110 47.4192 50 0.21 94
IV.MAGO.CHZ. 2022-07-11T13:02:11.28 0.6 undecidable manual S 301 25.6521 50 -0.68 43
IV.MALA2.EHN. 2022-07-11T13:02:11.47 0.1 undecidable manual P 110 47.5191 50 0.16 95
IV.MALA0.EHN. 2022-07-11T13:02:11.43 0.1 undecidable manual P 110 47.1195 50 0.19 95
IV.CASP.HHZ. 2022-07-11T13:02:10.32 0.1 undecidable manual P 187 40.5261 50 0.09 98
IV.FROS.CHZ. 2022-07-11T13:02:09.56 0.1 undecidable manual S 71 19.4694 117 -0.47 93
IV.MAGO.CHZ. 2022-07-11T13:02:08.11 0.1 negative manual P 301 25.6521 50 0.18 98
IV.FROS.CHZ. 2022-07-11T13:02:06.97 0.1 negative manual P 71 19.4694 117 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.CHE. ML:1.7 0.00040449999999999997 0.24 AML other m 2022-07-11T13:02:09.75
IV.FROS.CHN. ML:1.7 0.00038749999999999993 0.54 AML other m 2022-07-11T13:02:10.56
IV.CASP.HHE. ML:1.2 0.000061 0.52 AML other m 2022-07-11T13:02:15.42
IV.CASP.HHN. ML:1.0 0.000029999999999999997 0.2 AML other m 2022-07-11T13:02:15.51
IV.ARCI.HHN. ML:1.5 0.00006625 0.24 AML other m 2022-07-11T13:02:19.47
IV.ARCI.HHE. ML:1.4 0.00005375 1.04 AML other m 2022-07-11T13:02:19.47
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