Earthquake with magnitude of ML 1.9 on date 13-01-2020 and time 17:19:26 (Italy) in region 5 km SE Castellina in Chianti (SI)

A magnitude ML 1.9 earthquake occured in region: 5 km SE Castellina in Chianti (SI), on

  • 13-01-2020 16:19:26 (UTC)
  • 13-01-2020 17:19:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.44, 11.33 at 8 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
Castellina in Chianti SI 5 2859 2859
Radda in Chianti SI 7 1613 4472
Gaiole in Chianti SI 9 2758 7230
Monteriggioni SI 10 9810 17040
Siena SI 13 53903 70943
Poggibonsi SI 15 29196 100139
Greve in Chianti FI 16 13862 114001
Cavriglia AR 16 9614 123615
Colle di Val d'Elsa SI 17 21620 145235
Barberino Val d'Elsa FI 17 4386 149621
Castelnuovo Berardenga SI 18 9097 158718
Tavarnelle Val di Pesa FI 18 7800 166518
Sovicille SI 19 10116 176634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km N of Siena (53903 inhabitants)
37 Km S of Firenze (382808 inhabitants)
38 Km SE of Scandicci (50609 inhabitants)
45 Km W of Arezzo (99543 inhabitants)
53 Km SE of Prato (191150 inhabitants)
64 Km SE of Pistoia (90315 inhabitants)
77 Km N of Grosseto (82087 inhabitants)
80 Km SE of Lucca (89046 inhabitants)
81 Km E of Pisa (89158 inhabitants)
83 Km E of Livorno (159219 inhabitants)
94 Km W of Perugia (166134 inhabitants)
99 Km E of Viareggio (62467 inhabitants)
Recent and historical seismicity

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event *

This map reports the earthquake epicenters located in the 72 hours (3 days) preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event *

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located in the 90 days preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event *

This map reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019 *

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version https://emidius.mi.ingv.it/CPTI15-DBMI15/) with estimated magnitude ≥ 5.0 since 1000 AD until 2014. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows the epicenter of the current earthquake.
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 the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.9 2020-01-13
16:19:26
43.44 11.33 8 2020-07-18
21:08:23
Bollettino Sismico Italiano INGV 77024581
Reviewed
Rev100
ML 2.0 2020-01-13
16:19:26
43.44 11.33 8 2020-01-13
16:44:59
Sala Sismica INGV-Roma 75518011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-13 16:19:26 ± 0.06
Latitude 43.44 ± 0.00
Longitude 11.33 ± 0.01
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77024581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 448
Semi-minor axis of confidence ellipse (meter) 256
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 450
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.78601
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 77024581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-04 13:59:41

ML:2

Field Value
Value 2
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 75518011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-13 16:44:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SEI.HHZ. 2020-01-13T16:19:48.60 0.3 undecidable manual S 2 0.616 50 0.28 63
IV.MPPT.EHZ. 2020-01-13T16:19:46.30 0.6 undecidable manual S 342 0.5459 50 0.04 45
IV.CRE.HHN. 2020-01-13T16:19:44.50 0.6 undecidable manual S 68 0.4874 50 -0.02 46
IV.RINC.HHZ. 2020-01-13T16:19:44.50 0.6 undecidable manual S 24 0.491 50 -0.13 45
IV.ASQU.HHN. 2020-01-13T16:19:44.50 0.6 undecidable manual S 43 0.4901 50 -0.09 45
IV.MAGO.CHE. 2020-01-13T16:19:44.90 0.6 undecidable manual S 251 0.5135 50 -0.4 42
IV.CRMI.HHZ. 2020-01-13T16:19:43.40 0.6 undecidable manual S 325 0.4362 50 0.39 43
IV.RUFI.EHE. 2020-01-13T16:19:42.20 0.3 undecidable manual S 18 0.42 50 -0.34 65
IV.TRIF.CHN. 2020-01-13T16:19:42.90 0.6 undecidable manual S 224 0.447 50 -0.44 42
IV.ATVO.HHZ. 2020-01-13T16:19:42.43 0.6 undecidable manual P 94 0.786 50 0.23 41
IV.PARC.HHZ. 2020-01-13T16:19:41.03 0.3 undecidable manual P 72 0.6934 50 0.42 60
IV.PII.HHZ. 2020-01-13T16:19:39.64 0.6 undecidable manual P 296 0.6457 50 -0.16 43
TV.SF04.EHZ. 2020-01-13T16:19:39.94 0.3 undecidable manual P 158 0.6502 50 0.07 66
IV.SEI.HHZ. 2020-01-13T16:19:39.42 0.3 undecidable manual P 2 0.616 50 0.14 65
TV.SF01.EHZ. 2020-01-13T16:19:39.88 1.0 undecidable manual P 165 0.6493 50 0.01 22
IV.MPPT.EHZ. 2020-01-13T16:19:38.15 0.3 undecidable manual P 342 0.5459 50 0.05 67
IV.RONT.HHZ. 2020-01-13T16:19:38.68 1.0 undecidable manual P 8 0.5594 50 0.35 21
IV.RINC.HHZ. 2020-01-13T16:19:37.04 0.3 undecidable manual P 24 0.491 50 -0.12 67
IV.FROS.CHZ. 2020-01-13T16:19:37.30 0.3 undecidable manual S 209 0.2599 106 -0.05 71
IV.MAGO.CHE. 2020-01-13T16:19:37.81 0.3 undecidable manual P 251 0.5135 50 0.27 65
IV.TRIF.CHN. 2020-01-13T16:19:36.42 0.3 undecidable manual P 224 0.447 50 0.01 69
IV.ASQU.HHN. 2020-01-13T16:19:36.94 0.6 undecidable manual P 43 0.4901 50 -0.19 44
IV.CRMI.HHZ. 2020-01-13T16:19:36.11 0.3 undecidable manual P 325 0.4362 50 -0.11 68
IV.CRE.HHN. 2020-01-13T16:19:36.65 0.6 undecidable manual P 68 0.4874 50 -0.44 42
IV.RUFI.EHE. 2020-01-13T16:19:35.82 0.1 undecidable manual P 18 0.42 50 -0.13 91
IV.FROS.CHZ. 2020-01-13T16:19:33.20 0.1 undecidable manual P 209 0.2599 106 0.25 91
IV.OSSC.HHZ. 2020-01-13T16:19:32.00 0.3 undecidable manual S 325 0.1034 125 0.2 71
IV.CSNT.HHZ. 2020-01-13T16:19:29.70 0.3 undecidable manual S 322 0.0432 149 -0.49 68
IV.OSSC.HHZ. 2020-01-13T16:19:29.90 0.1 negative manual P 325 0.1034 125 0.15 96
IV.CSNT.HHZ. 2020-01-13T16:19:28.81 0.1 undecidable manual P 322 0.0432 149 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHE. ML:0 6.22E-5 0.22 AML other m 2020-01-13T16:19:55.22
GU.POPM.HHN. ML:0 6.65E-5 0.78 AML other m 2020-01-13T16:19:55.81
IV.OFFI.HHE. ML:0 0.00010825 0.42 AML other m 2020-01-13T16:20:11.03
IV.OFFI.HHN. ML:0 8.93E-5 0.5 AML other m 2020-01-13T16:20:24.72
IV.VIVA.HHN. ML:0 0.0004085 0.46 AML other m 2020-01-13T16:20:42.48
IV.VIVA.HHE. ML:0 0.0004005 0.22 AML other m 2020-01-13T16:20:49.80
IV.CSNT.HHN. ML:0 0.0032848275 0.3328 AML other m 2020-01-13T16:19:29.98
IV.CSNT.HHE. ML:0 0.002850256 0.1152 AML other m 2020-01-13T16:19:30.30
IV.OSSC.HHE. ML:2.2 0.0019478045 0.128 AML other m 2020-01-13T16:19:32.38
IV.OSSC.HNE. ML:2.2 0.0021365085 0.3072 AML other m 2020-01-13T16:19:32.44
IV.OSSC.HNN. ML:2.2 0.001968918 0.1408 AML other m 2020-01-13T16:19:32.37
IV.OSSC.HHN. ML:2.2 0.0021363185 0.32 AML other m 2020-01-13T16:19:32.43
IV.FROS.CHE. ML:2 0.0005040168 0.1408 AML other m 2020-01-13T16:19:38.08
IV.FROS.CHN. ML:1.9 0.00044656865 0.1536 AML other m 2020-01-13T16:19:37.95
IV.CRMI.HHN. ML:1 2.3588325E-5 0.1792 AML other m 2020-01-13T16:19:44.03
IV.CRMI.HNE. ML:1.3 5.655081E-5 0.384 AML other m 2020-01-13T16:19:46.21
IV.CRMI.HNN. ML:1.4 6.6147165E-5 0.1536 AML other m 2020-01-13T16:19:44.03
IV.CRMI.HHE. ML:1 2.53704145E-5 0.2816 AML other m 2020-01-13T16:19:44.03
IV.RINC.HHN. ML:1.5 7.3526215E-5 0.4864 AML other m 2020-01-13T16:19:47.60
IV.RINC.HHE. ML:1.6 8.358157E-5 0.6528 AML other m 2020-01-13T16:19:50.04
IV.MPPT.EHN. ML:1.6 9.2326155E-5 0.256 AML other m 2020-01-13T16:19:48.04
IV.MPPT.EHE. ML:1.8 0.00014066875 0.5248 AML other m 2020-01-13T16:19:46.89
IV.RONT.HHE. ML:2.4 0.0005309856 0.1408 AML other m 2020-01-13T16:19:48.97
IV.RONT.HHN. ML:2.4 0.0004747838 0.1536 AML other m 2020-01-13T16:19:49.04
IV.SEI.HHE. ML:2.3 0.0003456757 0.3456 AML other m 2020-01-13T16:19:49.27
IV.SEI.HHN. ML:2.6 0.00070548625 0.3072 AML other m 2020-01-13T16:19:50.80
IV.PII.HHE. ML:1.8 0.0001117984 0.2176 AML other m 2020-01-13T16:19:50.94
IV.PII.HHN. ML:1.9 0.00011948413 0.3456 AML other m 2020-01-13T16:19:50.96
TV.SF01.EHE. ML:2 0.0001807954 0.2432 AML other m 2020-01-13T16:19:52.84
TV.SF01.EHN. ML:2.1 0.00018969715 0.2816 AML other m 2020-01-13T16:19:53.66
TV.SF04.EHN. ML:2 0.0001499318 0.256 AML other m 2020-01-13T16:19:51.11
TV.SF04.EHE. ML:2.1 0.0001995418 0.256 AML other m 2020-01-13T16:19:53.13
IV.PARC.HHE. ML:1.6 6.3516055E-5 0.384 AML other m 2020-01-13T16:19:56.22
IV.PARC.HHN. ML:1.6 5.6175185E-5 0.4096 AML other m 2020-01-13T16:19:52.83
IV.ATVO.HHE. ML:1.6 4.692872E-5 0.384 AML other m 2020-01-13T16:19:59.48
IV.ATVO.HHN. ML:1.5 4.085285E-5 0.4992 AML other m 2020-01-13T16:20:01.36
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions *

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://terremoti.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol scales with the calculated moment magnitude, Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download