Earthquake with magnitude of ML 1.3 on date 25-01-2021 and time 19:32:04 (Italy) in region 2 km E Chies d'Alpago (BL)

A magnitude ML 1.3 earthquake occured in region: 2 km E Chies d'Alpago (BL), on

  • 25-01-2021 18:32:04 (UTC)
  • 25-01-2021 19:32:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.18, 12.41 at 10 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
Chies d'Alpago BL 2 1377 1377
Alpago BL 4 6994 8371
Tambre BL 6 1371 9742
Ponte nelle Alpi BL 8 8363 18105
Soverzene BL 8 389 18494
Erto e Casso PN 12 387 18881
Barcis PN 12 256 19137
Cimolais PN 12 397 19534
Claut PN 13 956 20490
Longarone BL 13 5359 25849
Belluno BL 15 35870 61719
Andreis PN 16 259 61978
Budoia PN 18 2569 64547
Ospitale di Cadore BL 18 292 64839
Polcenigo PN 18 3163 68002
Aviano PN 19 9106 77108
Montereale Valcellina PN 19 4433 81541
Limana BL 20 5209 86750
Fregona TV 20 3013 89763

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Pordenone (51229 inhabitants)
58 Km N of Treviso (83731 inhabitants)
65 Km W of Udine (99169 inhabitants)
83 Km N of Venezia (263352 inhabitants)
88 Km E of Bolzano (106441 inhabitants)
95 Km NE of Padova (210401 inhabitants)
97 Km NE of Vicenza (112953 inhabitants)
100 Km E of Trento (117317 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
Reviewed
Rev100
ML 1.3 2021-01-25
18:32:04
46.18 12.41 10 2021-01-25
18:37:12
Sala Sismica INGV-Roma 86571341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-25 18:32:04 ± 0.08
Latitude 46.18 ± 0.01
Longitude 12.41 ± 0.01
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86571341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 990
Semi-minor axis of confidence ellipse (meter) 430
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 305
Circular confidence region, given by single value of horizontal uncertainty (meter) 990
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.28059
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 86571341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-25 18:37:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
ST.ZIAN.EHZ. 2021-01-25T18:32:19.62 3.0 positive manual P 2.96 0
OX.VARN.HHZ. 2021-01-25T18:32:15.81 0.6 undecidable manual S 228 0.2806 50 -0.02 51
IV.STAL.HHZ. 2021-01-25T18:32:14.07 0.6 undecidable manual S 69 0.2248 50 -0.11 51
OX.VARN.HHZ. 2021-01-25T18:32:11.04 0.1 undecidable manual P 228 0.2806 50 -0.17 99
OX.CIMO.HHZ. 2021-01-25T18:32:11.01 0.3 undecidable manual S 11 0.1349 124 -0.17 76
IV.STAL.HHZ. 2021-01-25T18:32:10.24 0.3 negative manual P 69 0.2248 50 -0.01 78
IV.FREG.EHZ. 2021-01-25T18:32:09.53 0.3 negative manual P 201 0.1799 117 0.14 76
OX.CIMO.HHZ. 2021-01-25T18:32:08.77 0.1 undecidable manual P 11 0.1349 124 0.26 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.CIMO.HHN. ML:1.3 0.000192 0.52 AML other m 2021-01-25T18:32:11.12
OX.CIMO.HNN. ML:1.3 0.0001975 1.48 AML other m 2021-01-25T18:32:11.12
OX.CIMO.HHE. ML:1.3 0.0001825 0.08 AML other m 2021-01-25T18:32:11.17
OX.CIMO.HNE. ML:1.2 0.0001655 0.08 AML other m 2021-01-25T18:32:11.17
IV.STAL.HHN. ML:1.3 0.00011 0.18 AML other m 2021-01-25T18:32:14.69
IV.STAL.HHE. ML:1.2 0.00010325 0.28 AML other m 2021-01-25T18:32:15.44
OX.VARN.HHN. ML:1.2 8.23E-5 0.12 AML other m 2021-01-25T18:32:17.28
OX.VARN.HHE. ML:1.5 0.00013865 1.32 AML other m 2021-01-25T18:32:18.78
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