Earthquake with magnitude of ML 1.3 on date 30-09-2021 and time 06:44:46 (Italy) in region 1 km SW Fanna (PN)

A magnitude ML 1.3 earthquake occured in region: 1 km SW Fanna (PN), on

  • 30-09-2021 04:44:46 (UTC)
  • 30-09-2021 06:44:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1790, 12.7430 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fanna PN 1 1583 1583
Maniago PN 3 11698 13281
Cavasso Nuovo PN 3 1525 14806
Frisanco PN 4 622 15428
Vajont PN 5 1719 17147
Arba PN 5 1309 18456
Meduno PN 6 1574 20030
Sequals PN 7 2200 22230
Montereale Valcellina PN 7 4433 26663
Andreis PN 10 259 26922
Travesio PN 10 1776 28698
Vivaro PN 12 1352 30050
Tramonti di Sotto PN 13 387 30437
Castelnovo del Friuli PN 13 880 31317
Barcis PN 14 256 31573
Clauzetto PN 15 380 31953
Spilimbergo PN 15 12124 44077
Tramonti di Sopra PN 15 321 44398
Pinzano al Tagliamento PN 16 1525 45923
San Quirino PN 17 4383 50306
Aviano PN 17 9106 59412
San Giorgio della Richinvelda PN 18 4650 64062
Vito d'Asio PN 18 769 64831
Dignano UD 18 2317 67148
Forgaria nel Friuli UD 18 1786 68934
Ragogna UD 18 2909 71843
San Martino al Tagliamento PN 20 1468 73311

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km N of Pordenone (51229 inhabitants)
40 Km W of Udine (99169 inhabitants)
69 Km NE of Treviso (83731 inhabitants)
88 Km NE of Venezia (263352 inhabitants)
99 Km NW of Trieste (204420 inhabitants)
Recent and historical seismicity

These maps show the seismic activity in different time intervals, before the seismic event to which they refer. Data reported in the first two maps come from the analysis carried out in real time by the personnel of the INGV Operating Rooms, immediately after each earthquake. The third map shows data from 1985 to the date of the earthquake: the locations are reviewed by the seismological analysts of the INGV Italian Seismic Bulletin (Bollettino Sismico Italiano dell’INGV). The localization parameters (hypocentral coordinates and magnitude) are the best possible estimate with the data available to the INGV, but are constantly updated according to further data that become available. The location and magnitude parameters, subsequently reviewed by seismological analysts, may vary.

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 0.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 72 hours preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 2.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 90 days preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event

This map shows the earthquake epicenters with magnitude ≥ 3.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, from 1985 to the date of this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version 3.0, https://doi.org/10.13127/cpti/cpti15.3) since 1000 AD until 2019. The size of the square indicates the different classes of magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The black and white star is the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.3 2021-09-30
04:44:46
46.179 12.7427 10 2022-03-30
13:04:10
Bollettino Sismico Italiano INGV 96314961
Reviewed
Rev100
ML 1.3 2021-09-30
04:44:46
46.1765 12.7367 11 2021-09-30
05:00:59
Sala Sismica INGV-Roma 96051731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-30 04:44:46 ± 0.07
Latitude 46.1790 ± 0.0054
Longitude 12.7427 ± 0.0052
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96314961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 590
Semi-minor axis of confidence ellipse (meter) 247
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 343
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64661
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 96314961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-07 10:32:28

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 96051731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-30 05:00:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.GRIS.EHZ. 2021-09-30T04:46:42.76 3.0 undecidable manual Pg 12.39 0
GU.BHB.HHZ. 2021-09-30T04:46:40.42 3.0 undecidable manual Sn -3.77 0
IV.PZUN.HHZ. 2021-09-30T04:46:20.72 3.0 negative manual Pn 2.25 0
IV.MNTT.EHZ. 2021-09-30T04:46:16.92 3.0 undecidable manual Sn -3.92 0
IV.MSSA.HHZ. 2021-09-30T04:46:15.82 3.0 undecidable manual Sg -0.68 0
OT.OT17.EHZ. 2021-09-30T04:46:04.72 3.0 positive manual Pn 1.23 0
GU.MGRO.HHZ. 2021-09-30T04:46:02.27 3.0 undecidable manual Pg 8.44 0
IV.CAPR.HNZ. 2021-09-30T04:45:57.79 3.0 undecidable manual Sg 3.65 0
SL.BOJS.BHZ. 2021-09-30T04:45:42.92 3.0 undecidable manual Sn -3.96 0
IV.ZEN8.EHZ. 2021-09-30T04:45:38.90 3.0 undecidable manual Sg -2.37 0
IV.ARVD.HHZ. 2021-09-30T04:45:33.89 3.0 undecidable manual Pg 0.01 0
IV.FVI.HHZ. 2021-09-30T04:45:01.55 0.3 undecidable manual S 4 0.4182 50 0.36 70
NI.VINO.HNZ. 2021-09-30T04:45:00.14 0.3 undecidable manual S 78 0.3759 50 0.2 73
OX.BAD.HNE. 2021-09-30T04:44:59.27 0.6 undecidable manual S 81 0.3507 50 0.07 51
IV.FREG.EHE. 2021-09-30T04:44:59.15 0.3 undecidable manual S 241 0.3417 50 0.22 74
OX.DRE.HNZ. 2021-09-30T04:44:58.54 0.3 undecidable manual P 90 0.6241 50 0.19 70
OX.SABO.HNZ. 2021-09-30T04:44:58.80 0.3 undecidable manual P 107 0.6466 50 0.07 71
OX.CLUD.HHZ. 2021-09-30T04:44:57.72 0.3 undecidable manual S 19 0.2941 50 0.21 74
OX.BOO.HNE. 2021-09-30T04:44:57.00 0.3 undecidable manual S 60 0.2833 50 -0.19 75
OX.PLRO.HHZ. 2021-09-30T04:44:55.35 0.3 undecidable manual P 37 0.4641 50 -0.25 71
OX.CIMO.HHZ. 2021-09-30T04:44:55.75 0.3 undecidable manual S 303 0.2446 50 -0.3 74
IV.FVI.HHZ. 2021-09-30T04:44:55.10 0.6 undecidable manual P 4 0.4182 50 0.28 48
OX.MPRI.HHZ. 2021-09-30T04:44:54.10 0.3 undecidable manual S 70 0.1808 117 0.19 76
NI.VINO.HNZ. 2021-09-30T04:44:53.48 0.6 undecidable manual P 78 0.3759 50 -0.62 44
OX.BAD.HNE. 2021-09-30T04:44:53.06 0.3 undecidable manual P 81 0.3507 50 -0.62 66
IV.FREG.EHE. 2021-09-30T04:44:53.85 0.3 undecidable manual P 241 0.3417 50 0.33 72
OX.CAE.HHZ. 2021-09-30T04:44:52.09 0.3 undecidable manual P 231 0.2707 50 -0.22 75
NI.PURA.HHZ. 2021-09-30T04:44:52.27 0.3 undecidable manual P 360 0.2464 50 0.38 72
OX.CLUD.HHZ. 2021-09-30T04:44:52.66 0.3 undecidable manual P 19 0.2941 50 -0.04 77
OX.BOO.HNE. 2021-09-30T04:44:52.09 0.3 undecidable manual P 60 0.2833 50 -0.43 71
RF.GEPF.HHN. 2021-09-30T04:44:52.81 0.1 undecidable manual P 71 0.2905 50 0.18 100
OX.CIMO.HHZ. 2021-09-30T04:44:51.51 0.3 undecidable manual P 303 0.2446 50 -0.35 73
OX.MLN.HHZ. 2021-09-30T04:44:51.20 0.3 undecidable manual S 252 0.0926 134 0.06 80
OX.MPRI.HHZ. 2021-09-30T04:44:50.71 0.3 undecidable manual P 70 0.1808 117 0.09 78
IV.STAL.HHZ. 2021-09-30T04:44:50.63 0.3 undecidable manual S 345 0.0845 137 -0.27 77
OX.MLN.HHZ. 2021-09-30T04:44:49.09 0.3 undecidable manual P 252 0.0926 134 0.07 80
IV.STAL.HHZ. 2021-09-30T04:44:48.99 0.3 undecidable manual P 345 0.0845 137 0.11 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.STAL.HHN. ML:1.4 0.00035250000000000006 0.36 AML other m 2021-09-30T04:44:51.65
IV.STAL.HNN. ML:1.6 0.000484 1.14 AML other m 2021-09-30T04:44:51.66
IV.STAL.HNE. ML:1.6 0.000502 0.24 AML other m 2021-09-30T04:44:52.40
OX.MLN.HHE. ML:1.1 0.0001645 1.42 AML other m 2021-09-30T04:44:52.81
OX.MLN.HHN. ML:1.0 0.0001365 0.44 AML other m 2021-09-30T04:44:53.39
IV.STAL.HHE. ML:1.5 0.0004205 0.38 AML other m 2021-09-30T04:44:53.78
OX.MPRI.HHE. ML:1.5 0.00020850000000000003 0.34 AML other m 2021-09-30T04:44:55.50
OX.CIMO.HHE. ML:1.1 0.00006925 0.14 AML other m 2021-09-30T04:44:56.15
OX.CIMO.HNN. ML:1.2 0.00009425 0.12 AML other m 2021-09-30T04:44:56.09
OX.CIMO.HHN. ML:1.3 0.00010405000000000001 1.16 AML other m 2021-09-30T04:44:56.15
OX.CIMO.HNE. ML:1.1 0.00007175000000000001 0.16 AML other m 2021-09-30T04:44:56.16
OX.MPRI.HHN. ML:1.5 0.00023349999999999998 0.2 AML other m 2021-09-30T04:44:57.41
OX.CLUD.HHN. ML:0.7 0.0000218 1.32 AML other m 2021-09-30T04:44:59.82
OX.CLUD.HHE. ML:0.8 0.000026099999999999997 1.2 AML other m 2021-09-30T04:44:59.18
OX.CAE.HHE. ML:1.5 0.00016599999999999997 0.4 AML other m 2021-09-30T04:45:00.69
OX.CAE.HHN. ML:1.2 0.00008274999999999999 1.48 AML other m 2021-09-30T04:45:00.23
IV.FVI.HHN. ML:0.9 0.00002425 1.32 AML other m 2021-09-30T04:45:04.84
OX.PLRO.HHN. ML:1.4 0.00006055 1.44 AML other m 2021-09-30T04:45:05.16
OX.PLRO.HHE. ML:1.2 0.0000463 0.22 AML other m 2021-09-30T04:45:05.46
IV.FVI.HHE. ML:0.9 0.000025399999999999997 0.48 AML other m 2021-09-30T04:45:05.67
IV.ZEN8.EHE. ML:2.1 0.00004905 0.24 AML other m 2021-09-30T04:45:41.04
IV.ZEN8.EHN. ML:2.0 0.000047350000000000006 0.44 AML other m 2021-09-30T04:45:41.09
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions

The map reports the fault plane solutions for earthquakes in the region from 1977 to the date of this event. Red moment tensors are determined using the Regional Centroid Moment Tensor technique (RCMT, http://www.bo.ingv.it/RCMT) applied for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when a station azimuthal coverage exists RCMTs can be obtained also for earthquakes with magnitude down to 4.0. The gray moment tensors are obtained with the Time Domain Moment Tensor method (TDMT, http://terremoti.ingv.it/tdmt). This technique is applied to earthquakes with magnitude ML greater than 3.2, when it is possible. The size of symbols scales with the calculated moment magnitude Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download