Earthquake with magnitude of ML 0.7 on date 11-07-2023 and time 16:01:28 (Italy) in region 3 km SE Monsummano Terme (PT)

A magnitude ML 0.7 earthquake occured in region: 3 km SE Monsummano Terme (PT), on

  • 11-07-2023 14:01:28 (UTC)
  • 11-07-2023 16:01:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8540, 10.8330 at 9 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
Monsummano Terme PT 3 21338 21338
Pieve a Nievole PT 4 9266 30604
Larciano PT 5 6394 36998
Montecatini-Terme PT 6 20409 57407
Serravalle Pistoiese PT 6 11659 69066
Lamporecchio PT 7 7508 76574
Ponte Buggianese PT 7 8804 85378
Buggiano PT 9 8825 94203
Chiesina Uzzanese PT 9 4552 98755
Massa e Cozzile PT 10 7983 106738
Marliana PT 10 3210 109948
Uzzano PT 10 5770 115718
Vinci FI 11 14604 130322
Cerreto Guidi FI 11 10870 141192
Pistoia PT 11 90315 231507
Quarrata PT 12 26190 257697
Pescia PT 13 19644 277341
Montecarlo LU 13 4428 281769
Altopascio LU 13 15481 297250
Fucecchio FI 14 23618 320868
Agliana PT 15 17525 338393
Carmignano PO 16 14450 352843
Santa Croce sull'Arno PI 16 14601 367444
Capraia e Limite FI 17 7670 375114
Villa Basilica LU 17 1633 376747
Porcari LU 17 8845 385592
Empoli FI 18 48109 433701
Montale PT 18 10737 444438
Poggio a Caiano PO 18 10007 454445
Montemurlo PO 18 18456 472901
Castelfranco di Sotto PI 18 13427 486328
San Miniato PI 19 27934 514262

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SW of Pistoia (90315 inhabitants)
21 Km W of Prato (191150 inhabitants)
27 Km E of Lucca (89046 inhabitants)
30 Km W of Scandicci (50609 inhabitants)
35 Km W of Firenze (382808 inhabitants)
38 Km E of Pisa (89158 inhabitants)
47 Km E of Viareggio (62467 inhabitants)
54 Km NE of Livorno (159219 inhabitants)
59 Km E of Massa (69479 inhabitants)
64 Km E of Carrara (63133 inhabitants)
72 Km NW of Siena (53903 inhabitants)
82 Km SW of Bologna (386663 inhabitants)
85 Km E of La Spezia (93959 inhabitants)
89 Km S of Modena (184973 inhabitants)
90 Km SW of Imola (69797 inhabitants)
95 Km W of Arezzo (99543 inhabitants)
95 Km S of Reggio nell'Emilia (171345 inhabitants)
97 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 0.7 2023-07-11
14:01:28
43.8537 10.8333 9 2023-07-11
14:10:13
Sala Sismica INGV-Roma 119166381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-11 14:01:28 ± 0.5
Latitude 43.8537 ± 0.0090
Longitude 10.8333 ± 0.0112
Depth (km) 9 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119166381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 948
Semi-minor axis of confidence ellipse (meter) 550
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 346
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
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) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.12051
Epicentral distance of station farthest from the epicenter (degree) 0.25811
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 119166381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-11 14:10:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2023-07-11T14:01:38.31 0.1 undecidable manual S 239 28.6491 107 -0.5 89
IV.MPPT.EHZ. 2023-07-11T14:01:36.79 0.1 undecidable manual S 61 23.5542 111 -0.32 93
GU.POPM.HHZ. 2023-07-11T14:01:36.78 0.1 undecidable manual S 344 22.0668 112 0.14 97
IV.PII.HHZ. 2023-07-11T14:01:34.72 0.1 positive manual P 239 28.6491 107 0.31 93
IV.CRMI.HHZ. 2023-07-11T14:01:34.02 0.1 undecidable manual S 119 13.3755 123 0.08 100
GU.POPM.HHZ. 2023-07-11T14:01:33.32 0.1 undecidable manual P 344 22.0668 112 0.17 97
IV.MPPT.EHZ. 2023-07-11T14:01:33.11 0.1 undecidable manual P 61 23.5542 111 -0.32 93
IV.CRMI.HHZ. 2023-07-11T14:01:32.01 0.1 undecidable manual P 119 13.3755 123 0.41 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRMI.HHE. ML:0.0 0.00001071338 0.0768 AML other m 2023-07-11T14:01:34.46
IV.CRMI.HHN. ML:0.3 0.000018247145000000003 0.064 AML other m 2023-07-11T14:01:34.39
IV.CRMI.HNE. ML:0.7 0.00005978290755 0.9216 AML other m 2023-07-11T14:01:34.32
IV.CRMI.HNN. ML:1.1 0.000123377655 0.64 AML other m 2023-07-11T14:01:33.99
GU.POPM.HHE. ML:0.7 0.000033527005 0.1792 AML other m 2023-07-11T14:01:37.56
GU.POPM.HHN. ML:0.9 0.00004830255 0.1408 AML other m 2023-07-11T14:01:37.13
IV.PII.HHE. ML:0.7 0.000026763115 0.224 AML other m 2023-07-11T14:01:39.91
IV.PII.HHN. ML:0.7 0.00002553901 0.2624 AML other m 2023-07-11T14:01:40.15
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