Earthquake with magnitude of ML 0.8 on date 23-01-2024 and time 09:04:16 (UTC) in region 4 km W Piteglio (PT)

A magnitude ML 0.8 earthquake occured in region: 4 km W Piteglio (PT), on

  • 23-01-2024 09:04:16 (UTC)
  • 23-01-2024 10:04:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0250, 10.7160 at 3 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Piteglio PT 4 1683 1683
San Marcello Pistoiese PT 7 6416 8099
Cutigliano PT 9 1488 9587
Bagni di Lucca LU 10 6161 15748
Marliana PT 11 3210 18958
Villa Basilica LU 12 1633 20591
Massa e Cozzile PT 13 7983 28574
Pescia PT 14 19644 48218
Abetone PT 14 621 48839
Borgo a Mozzano LU 15 6994 55833
Coreglia Antelminelli LU 16 5215 61048
Uzzano PT 16 5770 66818
Buggiano PT 16 8825 75643
Montecatini-Terme PT 16 20409 96052
Serravalle Pistoiese PT 16 11659 107711
Pieve a Nievole PT 17 9266 116977
Fiumalbo MO 18 1280 118257
Monsummano Terme PT 19 21338 139595
Pistoia PT 19 90315 229910
Barga LU 19 10034 239944
Montecarlo LU 20 4428 244372

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Pistoia (90315 inhabitants)
26 Km NE of Lucca (89046 inhabitants)
35 Km W of Prato (191150 inhabitants)
41 Km E of Viareggio (62467 inhabitants)
43 Km NE of Pisa (89158 inhabitants)
46 Km E of Massa (69479 inhabitants)
48 Km NW of Scandicci (50609 inhabitants)
50 Km E of Carrara (63133 inhabitants)
52 Km NW of Firenze (382808 inhabitants)
62 Km NE of Livorno (159219 inhabitants)
71 Km S of Modena (184973 inhabitants)
72 Km E of La Spezia (93959 inhabitants)
72 Km SW of Bologna (386663 inhabitants)
75 Km S of Reggio nell'Emilia (171345 inhabitants)
85 Km S of Carpi (70699 inhabitants)
88 Km W of Imola (69797 inhabitants)
92 Km SE of Parma (192836 inhabitants)
93 Km NW of Siena (53903 inhabitants)
98 Km W of Faenza (58541 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
Reviewed
Rev100
ML 0.8 2024-01-23
09:04:16
44.025 10.716 3 2024-01-23
09:41:11
Sala Sismica INGV-Roma 124807861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-23 09:04:16
Latitude 44.0250
Longitude 10.7160
Depth (km) 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124807861

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 0.29768
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 124807861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-23 09:41:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRMI.HHZ. 2024-01-23T09:04:22.99 0.3 undecidable manual P 140 33.0447 -0.02 0.86
GU.CARD.HHZ. 2024-01-23T09:04:20.03 0.1 undecidable manual P 271 18.6702 -0.13 1.14
GU.MAIM.HHZ. 2024-01-23T09:04:20.87 0.3 undecidable manual P 236 21.867 0.1 0.86
IV.BDI.HHZ. 2024-01-23T09:04:20.48 0.6 undecidable manual S 294 10.3785 0.25 0.57
IV.PSL.EHZ. 2024-01-23T09:04:19.87 0.1 undecidable manual P 95 17.0718 0.04 1.14
IV.BDI.HHZ. 2024-01-23T09:04:18.52 0.1 undecidable manual P 294 10.3785 -0.01 1.14
GU.POPM.HHZ. 2024-01-23T09:04:18.14 0.1 undecidable manual S 55 3.996 -0.04 1.14
GU.POPM.HHZ. 2024-01-23T09:04:17.44 0.1 undecidable manual P 55 3.996 0.06 1.14
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PSL.EHN. ML:0.8 0.00006170000000000001 1.58 AML other m 2024-01-23T09:04:23.82
IV.PSL.EHE. ML:0.9 0.000074 1.36 AML other m 2024-01-23T09:04:24.37
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