Earthquake with magnitude of ML 1.7 on date 25-03-2020 and time 05:20:35 (Italy) in region 9 km E San Marcello Pistoiese (PT)

A magnitude ML 1.7 earthquake occured in region: 9 km E San Marcello Pistoiese (PT), on

  • 25-03-2020 04:20:35 (UTC)
  • 25-03-2020 05:20:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.08, 10.89 at 54 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
San Marcello Pistoiese PT 9 6416 6416
Lizzano in Belvedere BO 9 2212 8628
Sambuca Pistoiese PT 9 1626 10254
Alto Reno Terme BO 10 6960 17214
Cutigliano PT 11 1488 18702
Piteglio PT 12 1683 20385
Gaggio Montano BO 13 4878 25263
Castel di Casio BO 15 3448 28711
Fanano MO 16 2989 31700
Pistoia PT 17 90315 122015
Camugnano BO 18 1885 123900
Cantagallo PO 18 3105 127005
Sestola MO 19 2508 129513
Abetone PT 19 621 130134
Marliana PT 19 3210 133344
Montale PT 20 10737 144081

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km N of Pistoia (90315 inhabitants)
28 Km NW of Prato (191150 inhabitants)
41 Km NE of Lucca (89046 inhabitants)
43 Km NW of Scandicci (50609 inhabitants)
46 Km NW of Firenze (382808 inhabitants)
57 Km E of Viareggio (62467 inhabitants)
57 Km NE of Pisa (89158 inhabitants)
58 Km SW of Bologna (386663 inhabitants)
60 Km E of Massa (69479 inhabitants)
63 Km S of Modena (184973 inhabitants)
63 Km E of Carrara (63133 inhabitants)
71 Km SE of Reggio nell'Emilia (171345 inhabitants)
72 Km W of Imola (69797 inhabitants)
75 Km NE of Livorno (159219 inhabitants)
78 Km S of Carpi (70699 inhabitants)
82 Km W of Faenza (58541 inhabitants)
85 Km E of La Spezia (93959 inhabitants)
91 Km SE of Parma (192836 inhabitants)
92 Km NW of Siena (53903 inhabitants)
93 Km W of Forlì (117913 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled 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
Rev 100 ML 1.7 2020-03-25
04:20:35
44.09 10.89 54 2020-03-25
04:32:05
Sala Sismica INGV-Roma 77550141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-25 04:20:35 ± 0.46
Latitude 44.09 ± 0.07
Longitude 10.89 ± 0.02
Depth (km) 54 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77550141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 7502
Semi-minor axis of confidence ellipse (meter) 487
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 188
Circular confidence region, given by single value of horizontal uncertainty (meter) 7500
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 215
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.10522
Epicentral distance of station farthest from the epicenter (degree) 0.50812
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:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 77550141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-25 04:32:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.RUFI.EHZ. 2020-03-25T04:20:55.48 0.3 undecidable manual S 119 0.5081 122 -0.85 63
IV.PII.HHZ. 2020-03-25T04:20:54.39 0.3 undecidable manual S 216 0.4488 127 -0.77 70
GU.CARD.HHZ. 2020-03-25T04:20:52.17 0.3 undecidable manual S 259 0.3004 141 -0.42 70
IV.BDI.HNZ. 2020-03-25T04:20:51.25 0.1 undecidable manual S 264 0.214 151 -0.18 96
IV.MPPT.EHN. 2020-03-25T04:20:51.15 0.1 undecidable manual S 132 0.1916 154 -0.02 100
GU.POPM.HHZ. 2020-03-25T04:20:50.66 0.3 undecidable manual S 248 0.1052 165 0.22 75
IV.RUFI.EHZ. 2020-03-25T04:20:47.41 0.6 negative manual P 119 0.5081 122 -0.22 47
IV.PII.HHZ. 2020-03-25T04:20:46.70 0.6 negative manual P 216 0.4488 127 -0.26 45
GU.CARD.HHZ. 2020-03-25T04:20:45.31 0.1 positive manual P 259 0.3004 141 -0.17 98
IV.MPPT.EHN. 2020-03-25T04:20:44.84 0.1 undecidable manual P 132 0.1916 154 0.18 96
IV.BDI.HNZ. 2020-03-25T04:20:44.66 0.1 undecidable manual P 264 0.214 151 -0.14 98
GU.POPM.HHZ. 2020-03-25T04:20:44.40 0.1 negative manual P 248 0.1052 165 0.17 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHE. ML:1.5 7.7964135E-5 0.2208 AML other m 2020-03-25T04:20:50.99
GU.POPM.HHN. ML:1.4 6.6493765E-5 0.1792 AML other m 2020-03-25T04:20:50.74
GU.CARD.HHE. ML:1.9 0.0001605359 0.0992 AML other m 2020-03-25T04:20:52.38
GU.CARD.HHN. ML:1.6 7.8832975E-5 0.0576 AML other m 2020-03-25T04:20:52.29
IV.PII.HHE. ML:1.9 0.000132283855 0.24 AML other m 2020-03-25T04:20:54.95
IV.PII.HHN. ML:1.8 9.8016375E-5 0.2208 AML other m 2020-03-25T04:20:54.75
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download