Earthquake with magnitude of ML 1.5 on date 22-06-2020 and time 03:47:53 (Italy) in region 1 km NW Monterotondo Marittimo (GR)

A magnitude ML 1.5 earthquake occured in region: 1 km NW Monterotondo Marittimo (GR), on

  • 22-06-2020 01:47:53 (UTC)
  • 22-06-2020 03:47:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1530, 10.8440 at 6 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 1 1371 1371
Castelnuovo di Val di Cecina PI 8 2231 3602
Monteverdi Marittimo PI 11 758 4360
Massa Marittima GR 12 8375 12735
Montieri GR 14 1204 13939
Suvereto LI 16 3072 17011
Sassetta LI 16 514 17525
Pomarance PI 17 5897 23422
Castagneto Carducci LI 19 9010 32432
Chiusdino SI 20 1903 34335

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Siena (53903 inhabitants)
49 Km NW of Grosseto (82087 inhabitants)
62 Km SE of Livorno (159219 inhabitants)
72 Km SE of Pisa (89158 inhabitants)
73 Km SW of Scandicci (50609 inhabitants)
76 Km SW of Firenze (382808 inhabitants)
82 Km SE of Lucca (89046 inhabitants)
84 Km S of Prato (191150 inhabitants)
87 Km S of Pistoia (90315 inhabitants)
91 Km W of Arezzo (99543 inhabitants)
93 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 2020-06-22
01:47:53
43.1527 10.8442 6 2020-11-19
12:36:57
Bollettino Sismico Italiano INGV 82078851
Reviewed
Rev100
ML 1.6 2020-06-22
01:47:53
43.1397 10.8695 9 2020-06-22
02:04:27
Sala Sismica INGV-Roma 80392941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-22 01:47:53 ± 0.14
Latitude 43.1527 ± 0.0054
Longitude 10.8442 ± 0.0111
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82078851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 780
Semi-minor axis of confidence ellipse (meter) 621
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92720
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 80392941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-22 02:04:27

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 82078851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-16 15:09:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APRC.HHZ. 2020-06-22T01:49:37.28 3.0 undecidable manual Sn 4.58 0
IV.SPS2.HHZ. 2020-06-22T01:49:23.67 3.0 positive manual Pn 9.04 0
IV.TRIV.HHZ. 2020-06-22T01:49:14.27 3.0 undecidable manual Sn -2.5 0
IV.VARE.HHZ. 2020-06-22T01:49:12.43 3.0 undecidable manual Sn 3.94 0
IT.RMMM.HGZ. 2020-06-22T01:48:52.69 3.0 undecidable manual Sg 7.47 0
IT.GLNS.HNZ. 2020-06-22T01:48:48.31 3.0 undecidable manual Pg 7.71 0
GU.POPM.HHZ. 2020-06-22T01:48:23.42 0.6 undecidable manual S 356 99.2229 50 0.01 42
IV.MPPT.EHZ. 2020-06-22T01:48:21.66 0.6 undecidable manual S 12 91.4418 50 0.33 40
GU.MAIM.HHE. 2020-06-22T01:48:19.87 0.6 undecidable manual S 342 89.1441 50 -0.84 34
IV.MAON.HHZ. 2020-06-22T01:48:19.23 0.3 undecidable manual S 164 83.6496 50 -0.03 65
IT.RMMM.HGZ. 2020-06-22T01:48:18.53 3.0 positive manual Pn -2.07 0
TV.SF01.EHZ. 2020-06-22T01:48:15.66 0.3 undecidable manual S 123 69.5748 50 0.17 65
IV.CRMI.HHZ. 2020-06-22T01:48:15.64 0.3 undecidable manual S 9 72.1722 50 -0.54 59
GU.CARD.HHZ. 2020-06-22T01:48:11.37 0.6 undecidable manual P 343 101.121 50 0.42 39
GU.POPM.HHZ. 2020-06-22T01:48:11.15 0.6 undecidable manual P 356 99.2229 50 0.5 38
IV.BDI.HHZ. 2020-06-22T01:48:11.44 0.1 undecidable manual P 349 102.9192 50 0.22 80
IV.RUFI.EHZ. 2020-06-22T01:48:10.00 0.3 undecidable manual P 35 92.9403 50 0.31 60
IV.MPPT.EHZ. 2020-06-22T01:48:09.81 0.1 undecidable manual P 12 91.4418 50 0.36 80
GU.MAIM.HHE. 2020-06-22T01:48:09.18 0.3 undecidable manual P 342 89.1441 50 0.09 64
IV.CSNT.HHZ. 2020-06-22T01:48:09.07 0.3 undecidable manual S 45 50.616 50 -1.36 42
IV.MAON.HHZ. 2020-06-22T01:48:08.86 0.3 undecidable manual P 164 83.6496 50 0.6 57
TV.SF04.EHZ. 2020-06-22T01:48:07.22 0.3 undecidable manual P 118 74.9694 50 0.3 62
IV.CRMI.HHZ. 2020-06-22T01:48:06.46 0.1 positive manual P 9 72.1722 50 -0.02 89
IV.CASP.HHZ. 2020-06-22T01:48:06.15 0.6 undecidable manual S 178 40.2264 98 -1.15 32
TV.SF01.EHZ. 2020-06-22T01:48:06.54 0.1 undecidable manual P 123 69.5748 50 0.46 81
IV.CELB.HHZ. 2020-06-22T01:48:05.94 0.1 undecidable manual P 229 68.376 50 0.04 89
IV.RIBO.EHZ.01 2020-06-22T01:48:03.00 0.6 undecidable manual S 144 27.9498 101 -0.1 47
IV.CSNT.HHZ. 2020-06-22T01:48:02.75 0.1 undecidable manual P 45 50.616 50 -0.41 85
IV.FROS.CHZ. 2020-06-22T01:48:02.44 0.1 undecidable manual S 76 26.0517 102 -0.01 97
IV.CASP.HHZ. 2020-06-22T01:48:00.70 0.1 undecidable manual P 178 40.2264 98 -0.65 80
IV.FROS.CHZ. 2020-06-22T01:47:58.60 0.1 undecidable manual P 76 26.0517 102 0.05 96
IV.RIBO.EHZ.01 2020-06-22T01:47:58.89 0.1 undecidable manual P 144 27.9498 101 -0.03 96
IV.TRIF.CHZ. 2020-06-22T01:47:56.11 0.1 undecidable manual S 132 6.2937 131 -0.02 100
IV.TRIF.CHZ. 2020-06-22T01:47:55.18 0.1 positive manual P 132 6.2937 131 0.28 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.CHN. ML:1.8 0.00042592304999999994 0.152 AML other m 2020-06-22T01:48:03.45
IV.RIBO.EHE.01 ML:2.1 0.0006542441000000001 0.32 AML other m 2020-06-22T01:48:03.69
IV.FROS.CHE. ML:1.7 0.0002898657 0.248 AML other m 2020-06-22T01:48:05.17
IV.CASP.HHE. ML:1.4 0.00008583767 0.4 AML other m 2020-06-22T01:48:06.67
IV.CASP.HHN. ML:1.5 0.000103912015 0.22 AML other m 2020-06-22T01:48:09.38
IV.CSNT.HHE. ML:1.3 0.00005214691000000001 0.14 AML other m 2020-06-22T01:48:10.37
IV.CSNT.HHN. ML:1.2 0.000040049455 0.28 AML other m 2020-06-22T01:48:11.82
TV.SF01.EHN. ML:1.6 0.00006619003500000001 0.22 AML other m 2020-06-22T01:48:15.84
IV.CELB.HHN. ML:1.5 0.00004984433000000001 0.18 AML other m 2020-06-22T01:48:16.85
IV.CRMI.HHN. ML:0.8 0.0000085657175 0.16 AML other m 2020-06-22T01:48:17.24
IV.CRMI.HNN. ML:1.1 0.0000217177965 0.16 AML other m 2020-06-22T01:48:17.24
IV.CRMI.HHE. ML:0.8 0.000010191318000000001 1.7 AML other m 2020-06-22T01:48:18.05
TV.SF04.EHE. ML:2.0 0.00015275561 0.24 AML other m 2020-06-22T01:48:18.30
IV.CELB.HHE. ML:1.5 0.00006104207000000001 0.08 AML other m 2020-06-22T01:48:18.85
TV.SF04.EHN. ML:2.0 0.00014213058500000002 0.22 AML other m 2020-06-22T01:48:18.81
TV.SF01.EHE. ML:1.9 0.00013197295 1.6 AML other m 2020-06-22T01:48:19.03
IV.MAON.HNN. ML:1.8 0.00007766294500000001 0.2304 AML other m 2020-06-22T01:48:20.40
IV.MAON.HHE. ML:1.7 0.00006696942 0.14 AML other m 2020-06-22T01:48:20.56
IV.MAON.HHN. ML:1.6 0.00005726515 1.78 AML other m 2020-06-22T01:48:20.92
GU.POPM.HHE. ML:1.6 0.000043409749999999995 1.78 AML other m 2020-06-22T01:48:24.89
GU.POPM.HHN. ML:1.6 0.00004106373 0.16 AML other m 2020-06-22T01:48:25.69
IV.BDI.HHN. ML:1.0 0.000011909922 1.74 AML other m 2020-06-22T01:48:28.92
IV.BDI.HHE. ML:1.2 0.000016801125 0.22 AML other m 2020-06-22T01:48:29.12
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