Earthquake with magnitude of ML 1.6 on date 27-01-2020 and time 19:42:11 (Italy) in region 10 km S Murlo (SI)

A magnitude ML 1.6 earthquake occured in region: 10 km S Murlo (SI), on

  • 27-01-2020 18:42:11 (UTC)
  • 27-01-2020 19:42:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0800, 11.3600 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
Murlo SI 10 2389 2389
Montalcino SI 11 5093 7482
Civitella Paganico GR 11 3154 10636
Buonconvento SI 12 3173 13809
Monticiano SI 16 1571 15380
Roccastrada GR 17 9199 24579
Monteroni d'Arbia SI 18 9088 33667
San Quirico d'Orcia SI 20 2662 36329

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km S of Siena (53903 inhabitants)
41 Km NE of Grosseto (82087 inhabitants)
60 Km SW of Arezzo (99543 inhabitants)
77 Km S of Scandicci (50609 inhabitants)
77 Km S of Firenze (382808 inhabitants)
84 Km W of Perugia (166134 inhabitants)
92 Km S of Prato (191150 inhabitants)
96 Km NW of Viterbo (67173 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 1.6 2020-01-27
18:42:11
43.0803 11.3605 8 2020-07-18
21:08:21
Bollettino Sismico Italiano INGV 76650671
Reviewed
Rev100
ML 1.6 2020-01-27
18:42:11
43.0807 11.3583 11 2020-01-27
18:58:01
Sala Sismica INGV-Roma 75920231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-27 18:42:11 ± 0.14
Latitude 43.0803 ± 0.0063
Longitude 11.3605 ± 0.0086
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76650671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 620
Semi-minor axis of confidence ellipse (meter) 478
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 41
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 32
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) 0.90562
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 76650671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-05 16:50:33

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 75920231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-27 18:58:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PAOL.HHZ. 2020-01-27T18:43:25.27 3.0 undecidable manual Sg 11.1 0
IV.SALB.HHZ. 2020-01-27T18:43:05.63 3.0 undecidable manual Pn 2.97 0
GU.GRAM.HHZ. 2020-01-27T18:42:58.89 3.0 undecidable manual Sn 0.5 0
IV.CAVE.HHZ. 2020-01-27T18:42:49.64 3.0 undecidable manual Sn -3.28 0
IV.MTMR.HNZ. 2020-01-27T18:42:45.70 3.0 positive manual Pn 2.34 0
IV.CELB.HHZ. 2020-01-27T18:42:42.64 0.6 undecidable manual S 249 100.5216 50 0.63 38
IV.IMOL.HNZ. 2020-01-27T18:42:40.44 3.0 undecidable manual Sg 1.88 0
OX.SABO.HNZ. 2020-01-27T18:42:39.48 3.0 undecidable manual Pn 0.65 0
IV.CRE.HHE. 2020-01-27T18:42:35.82 1.0 undecidable manual S 38 76.4679 50 0.23 22
IV.MMUR.HNZ. 2020-01-27T18:42:34.57 3.0 undecidable manual Sg 6.75 0
IV.CSP1.EHZ. 2020-01-27T18:42:33.12 3.0 undecidable manual Sn 3.12 0
IV.MGAB.HHZ. 2020-01-27T18:42:32.74 0.6 undecidable manual S 107 63.7917 50 0.54 43
IV.MMO1.EHZ. 2020-01-27T18:42:32.14 3.0 undecidable manual Sn -0.26 0
IV.CESI.HHZ. 2020-01-27T18:42:31.67 3.0 undecidable manual Sn 2.83 0
IV.MC2.EHZ. 2020-01-27T18:42:31.11 3.0 undecidable manual Sn -0.15 0
IV.CELB.HHZ. 2020-01-27T18:42:30.18 0.3 undecidable manual P 249 100.5216 50 0.87 52
IV.MAGO.CHE. 2020-01-27T18:42:30.86 0.6 undecidable manual S 291 60.6948 50 -0.54 43
IV.NRCA.HHZ. 2020-01-27T18:42:29.98 3.0 undecidable manual Sn -1.56 0
IV.PARC.HHZ. 2020-01-27T18:42:28.59 0.3 undecidable manual P 48 94.8384 50 0.16 66
IV.RINC.HHN. 2020-01-27T18:42:28.35 0.3 undecidable manual P 12 91.5417 50 0.41 63
IV.FDMO.HHZ. 2020-01-27T18:42:28.78 3.0 undecidable manual Sn -0.79 0
IV.ATTE.HHZ. 2020-01-27T18:42:27.60 3.0 undecidable manual P 0
IV.OSSC.HHZ. 2020-01-27T18:42:27.50 0.6 undecidable manual S 349 50.0166 50 -1.04 35
IV.ASQU.HHE. 2020-01-27T18:42:27.85 1.0 undecidable manual P 23 86.6466 50 0.67 19
IV.VENL.HNZ. 2020-01-27T18:42:27.31 3.0 undecidable manual Pn -2.83 0
IV.CRMI.HNN. 2020-01-27T18:42:27.37 0.1 undecidable manual P 339 85.0482 50 0.43 84
IV.CSNT.HHZ. 2020-01-27T18:42:26.15 1.0 undecidable manual S 353 43.9227 50 -0.76 20
IV.CRE.HHE. 2020-01-27T18:42:26.05 0.1 undecidable manual P 38 76.4679 50 0.44 85
IV.MAON.HHZ. 2020-01-27T18:42:25.58 0.1 undecidable manual P 195 74.7696 50 0.24 89
IV.ATMC.EHE. 2020-01-27T18:42:25.95 0.6 undecidable manual P 59 78.5658 50 0.02 46
TV.SF01.EHZ. 2020-01-27T18:42:24.48 0.6 undecidable manual S 151 34.0437 103 0.4 46
IV.TRIF.CHZ. 2020-01-27T18:42:24.07 0.6 undecidable manual S 276 37.2294 50 -1.07 36
IV.LATE.HHN. 2020-01-27T18:42:23.61 0.3 undecidable manual P 145 63.0924 50 0.06 71
IV.MGAB.HHZ. 2020-01-27T18:42:23.34 0.3 undecidable manual P 107 63.7917 50 -0.31 67
IV.MAGO.CHE. 2020-01-27T18:42:23.64 0.1 undecidable manual P 291 60.6948 50 0.46 88
IV.CASP.HHE. 2020-01-27T18:42:22.24 0.3 undecidable manual P 232 51.5151 50 0.48 66
IV.OSSC.HHZ. 2020-01-27T18:42:21.35 0.3 undecidable manual P 349 50.0166 50 -0.18 71
IV.SACS.HHE. 2020-01-27T18:42:21.90 0.6 undecidable manual P 120 51.4152 50 0.14 48
IV.RIBO.EHZ.01 2020-01-27T18:42:21.90 0.6 undecidable manual S 240 29.3484 105 -0.59 44
IV.CSNT.HHZ. 2020-01-27T18:42:20.04 0.3 undecidable manual P 353 43.9227 50 -0.56 66
IV.MCIV.CHE. 2020-01-27T18:42:19.96 0.1 undecidable manual P 142 42.2244 50 -0.37 92
IV.TRIF.CHZ. 2020-01-27T18:42:19.79 0.3 undecidable manual P 276 37.2294 50 0.22 72
TV.SF03.EHN. 2020-01-27T18:42:19.76 0.1 undecidable manual P 139 40.5261 50 -0.32 94
TV.SF14.HHN. 2020-01-27T18:42:19.25 0.1 undecidable manual P 150 41.625 50 -0.98 73
IV.FROS.CHZ. 2020-01-27T18:42:19.60 0.6 undecidable manual S 311 21.867 109 -0.41 47
IV.EL6.EHZ. 2020-01-27T18:42:18.30 3.0 positive manual Pn 4.27 0
IV.RIBO.EHZ.01 2020-01-27T18:42:18.18 0.1 undecidable manual P 240 29.3484 105 0.14 99
TV.SF01.EHZ. 2020-01-27T18:42:18.67 0.1 undecidable manual P 151 34.0437 103 -0.29 95
IV.APEC.HHZ. 2020-01-27T18:42:17.06 3.0 negative manual P 3.89 0
IV.FROS.CHZ. 2020-01-27T18:42:16.77 0.1 undecidable manual P 311 21.867 109 0.16 100
IV.CPGN.EHZ. 2020-01-27T18:42:13.24 3.0 undecidable manual Pn -0.93 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.CHN. ML:1.7 0.00038797035 0.1408 AML other m 2020-01-27T18:42:20.47
IV.FROS.CHE. ML:1.9 0.00063539405 0.3072 AML other m 2020-01-27T18:42:20.62
IV.TRIF.CHN. ML:1.6 0.00014502975 0.1024 AML other m 2020-01-27T18:42:24.70
TV.SF01.EHE. ML:1.8 0.000292051 0.2048 AML other m 2020-01-27T18:42:24.91
IV.RIBO.EHE.01 ML:1.5 0.0001726582 0.1664 AML other m 2020-01-27T18:42:24.98
TV.SF01.EHN. ML:2.0 0.00042003605 0.192 AML other m 2020-01-27T18:42:24.94
IV.TRIF.CHE. ML:1.5 0.00010894404499999999 0.128 AML other m 2020-01-27T18:42:25.14
IV.CSNT.HHN. ML:1.2 0.000055129485 0.1408 AML other m 2020-01-27T18:42:28.06
IV.CSNT.HHE. ML:1.1 0.000040973085 0.1792 AML other m 2020-01-27T18:42:28.24
IV.OSSC.HNE. ML:1.8 0.00016447684 0.2432 AML other m 2020-01-27T18:42:28.51
IV.OSSC.HNN. ML:2.0 0.00027216895 0.8064 AML other m 2020-01-27T18:42:28.64
IV.OSSC.HHN. ML:1.1 0.000031648590000000007 0.32 AML other m 2020-01-27T18:42:29.92
IV.OSSC.HHE. ML:1.1 0.000034124545000000005 0.2176 AML other m 2020-01-27T18:42:29.95
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