Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 27-01-2019 and time 08:36:13 (Italy) in region 2 km W Crespina Lorenzana (PI)

A magnitude ML 2.1 earthquake occured in region: 2 km W Crespina Lorenzana (PI), on

  • 27-01-2019 07:36:13 (UTC)
  • 27-01-2019 08:36:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5680, 10.5460 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Crespina Lorenzana PI 2 5457 5457
Fauglia PI 2 3682 9139
Collesalvetti LI 6 16827 25966
Casciana Terme Lari PI 7 12529 38495
Orciano Pisano PI 9 647 39142
Ponsacco PI 9 15611 54753
Santa Luce PI 11 1684 56437
Capannoli PI 11 6381 62818
Terricciola PI 12 4627 67445
Chianni PI 12 1392 68837
Cascina PI 12 45257 114094
Pontedera PI 13 29223 143317
Calcinaia PI 14 12439 155756
Peccioli PI 14 4807 160563
Vicopisano PI 15 8559 169122
Bientina PI 17 8062 177184
Castellina Marittima PI 17 2025 179209
Calci PI 18 6426 185635
Lajatico PI 18 1336 186971
Buti PI 18 5791 192762
Santa Maria a Monte PI 19 13253 206015
Palaia PI 19 4612 210627
Rosignano Marittimo LI 19 31394 242021
Livorno LI 19 159219 401240

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Livorno (159219 inhabitants)
20 Km SE of Pisa (89158 inhabitants)
31 Km S of Lucca (89046 inhabitants)
41 Km SE of Viareggio (62467 inhabitants)
51 Km SW of Pistoia (90315 inhabitants)
55 Km W of Scandicci (50609 inhabitants)
56 Km SW of Prato (191150 inhabitants)
61 Km W of Firenze (382808 inhabitants)
62 Km SE of Massa (69479 inhabitants)
67 Km SE of Carrara (63133 inhabitants)
69 Km W of Siena (53903 inhabitants)
83 Km SE of La Spezia (93959 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 2.1 2019-01-27
07:36:13		 43.5678 10.5463 10 2019-08-22
08:24:48		 Bollettino Sismico Italiano INGV 65075421
Reviewed
Rev100 		ML 2.1 2019-01-27
07:36:13		 43.5657 10.5693 9 2019-01-27
07:46:01		 Sala Sismica INGV-Roma 64992551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-27 07:36:13 ± 0.13
Latitude 43.5678 ± 0.0054
Longitude 10.5463 ± 0.0161
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65075421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1351
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 259
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
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 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 65075421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-18 15:28:48

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 64992551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-27 07:46:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CASP.HHZ. 2019-01-27T07:36:40.89 1.0 undecidable manual S 163 89.9433 50 0.65 18
IV.FROS.CHZ. 2019-01-27T07:36:33.00 0.6 undecidable manual S 0.06 48
IV.ASQU.HHZ. 2019-01-27T07:36:31.74 0.3 undecidable manual P 75 102.9192 50 0.78 51
IV.ZCCA.HHZ. 2019-01-27T07:36:31.27 0.3 undecidable manual P 21 93.4398 50 1.77 30
IV.OSSC.HHZ. 2019-01-27T07:36:30.94 0.3 undecidable manual S 95 56.3991 50 -0.35 64
IV.BDI.HHZ. 2019-01-27T07:36:30.35 0.6 undecidable manual S 4 55.0005 50 -0.57 41
GU.POPM.HHZ. 2019-01-27T07:36:30.94 0.6 undecidable manual S 18 55.5 50 -0.11 45
IV.TRIF.CHZ. 2019-01-27T07:36:30.66 0.6 undecidable manual S -0.98 36
IV.CELB.HHZ. 2019-01-27T07:36:30.52 0.3 undecidable manual P 197 95.0382 50 0.77 52
IV.CASP.HHZ. 2019-01-27T07:36:29.64 0.1 undecidable manual P 163 89.9433 50 0.68 73
GU.CARD.HHZ. 2019-01-27T07:36:29.04 0.3 undecidable manual S 354 51.1155 50 -0.82 55
GU.GSCL.HHZ. 2019-01-27T07:36:29.27 0.3 undecidable manual P 2 86.8464 50 0.78 53
IV.RUFI.EHZ. 2019-01-27T07:36:28.32 0.3 undecidable manual P 68 82.8504 50 0.45 60
IV.CRMI.HNN. 2019-01-27T07:36:27.24 0.6 undecidable manual S 54 42.9237 50 -0.45 43
IV.MOCL.EHZ. 2019-01-27T07:36:26.00 0.1 undecidable manual P 46 70.1742 50 0.08 89
MN.VLC.HHZ. 2019-01-27T07:36:25.80 0.6 undecidable manual P 349 66.8775 50 0.4 42
GU.MAIM.HHZ. 2019-01-27T07:36:25.72 0.6 undecidable manual S 353 38.628 50 -0.82 38
IV.FROS.CHZ. 2019-01-27T07:36:24.89 0.3 undecidable manual P 0.19 70
IV.MAGO.CHZ. 2019-01-27T07:36:24.20 0.3 undecidable manual S -1.14 53
IV.MPPT.EHZ. 2019-01-27T07:36:24.72 0.1 undecidable manual P 45 61.3941 50 0.16 89
IV.MTCR.EHZ. 2019-01-27T07:36:24.91 0.1 undecidable manual P 35 62.7927 50 0.14 89
GU.POPM.HHZ. 2019-01-27T07:36:23.70 0.1 undecidable manual P 18 55.5 50 0.04 92
IV.TRIF.CHZ. 2019-01-27T07:36:23.98 0.1 undecidable manual P 0.03 98
IV.OSSC.HHZ. 2019-01-27T07:36:23.88 0.3 undecidable manual P 95 56.3991 50 0.08 68
IV.BDI.HHZ. 2019-01-27T07:36:23.60 0.1 undecidable manual P 4 55.0005 50 0.02 92
GU.CARD.HHZ. 2019-01-27T07:36:22.87 0.1 positive manual P 354 51.1155 50 -0.1 91
IV.CRMI.HNN. 2019-01-27T07:36:21.81 0.1 undecidable manual P 54 42.9237 50 0.09 93
GU.MAIM.HHZ. 2019-01-27T07:36:20.96 0.1 undecidable manual P 353 38.628 50 -0.1 93
IV.PII.HHZ. 2019-01-27T07:36:20.00 0.3 undecidable manual S 354 17.1717 121 -0.5 67
IV.MAGO.CHZ. 2019-01-27T07:36:20.18 0.1 positive manual P -0.13 100
Z3.A319A.HHE. 2019-01-27T07:36:18.13 0.3 undecidable manual S 166 10.4784 134 -0.5 68
IV.PII.HHZ. 2019-01-27T07:36:17.64 0.1 positive manual P 354 17.1717 121 0.07 98
Z3.A319A.HHE. 2019-01-27T07:36:16.48 0.1 undecidable manual P 166 10.4784 134 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PII.HHN. ML:2.7 0.0038650000000000004 0.16 AML other m 2019-01-27T07:36:20.55
IV.PII.HHE. ML:2.5 0.0026100000000000003 1.34 AML other m 2019-01-27T07:36:21.93
IV.MAGO.CHE. ML:2.3 0.000837 0.94 AML other m 2019-01-27T07:36:25.61
IV.MAGO.CHN. ML:2.5 0.0013700000000000001 0.14 AML other m 2019-01-27T07:36:25.24
GU.CARD.HHE. ML:2.3 0.0005595 0.9 AML other m 2019-01-27T07:36:30.58
GU.CARD.HHN. ML:2.3 0.0005685 0.88 AML other m 2019-01-27T07:36:30.59
IV.BDI.HHN. ML:2.0 0.00023299999999999997 1.42 AML other m 2019-01-27T07:36:30.09
IV.OSSC.HHE. ML:1.9 0.0001885 0.26 AML other m 2019-01-27T07:36:31.24
GU.POPM.HHN. ML:2.3 0.00047 0.12 AML other m 2019-01-27T07:36:31.97
GU.POPM.HHE. ML:2.3 0.00044950000000000003 0.94 AML other m 2019-01-27T07:36:32.62
IV.TRIF.CHN. ML:2.0 0.00022250000000000001 0.28 AML other m 2019-01-27T07:36:32.08
IV.TRIF.CHE. ML:1.9 0.000182 0.58 AML other m 2019-01-27T07:36:33.51
IV.OSSC.HHN. ML:1.7 0.00011399999999999999 1.38 AML other m 2019-01-27T07:36:33.87
IV.FROS.CHN. ML:2.2 0.00033650000000000005 0.3 AML other m 2019-01-27T07:36:34.02
IV.BDI.HHE. ML:1.9 0.000176 0.6 AML other m 2019-01-27T07:36:34.64
IV.FROS.CHE. ML:2.2 0.000323 0.28 AML other m 2019-01-27T07:36:35.05
IV.MPPT.EHN. ML:1.9 0.00017199999999999998 0.44 AML other m 2019-01-27T07:36:36.29
IV.MPPT.EHE. ML:1.7 0.00010664999999999999 0.56 AML other m 2019-01-27T07:36:36.43
IV.MTCR.EHE. ML:1.9 0.0001595 0.82 AML other m 2019-01-27T07:36:36.60
IV.MTCR.EHN. ML:2.0 0.00021150000000000002 0.88 AML other m 2019-01-27T07:36:37.82
IV.MOCL.EHN. ML:2.1 0.0001975 0.28 AML other m 2019-01-27T07:36:38.68
IV.MOCL.EHE. ML:1.9 0.00012045 1.48 AML other m 2019-01-27T07:36:39.86
GU.GSCL.HHN. ML:2.4 0.00034250000000000003 0.22 AML other m 2019-01-27T07:36:40.94
GU.GSCL.HHE. ML:2.3 0.0002485 1.58 AML other m 2019-01-27T07:36:43.10
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
Waveforms Seismic signals in miniseed + resp format Download