Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 12-11-2021 and time 18:32:28 (UTC) in region 5 km E Preci (PG)

A magnitude ML 0.3 earthquake occured in region: 5 km E Preci (PG), on

  • 12-11-2021 18:32:28 (UTC)
  • 12-11-2021 19:32:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8660, 13.1020 at 11 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castelsantangelo sul Nera MC 5 281 281
Preci PG 5 724 1005
Visso MC 7 1107 2112
Norcia PG 8 4957 7069
Ussita MC 9 444 7513
Sellano PG 14 1079 8592
Cerreto di Spoleto PG 16 1075 9667
Monte Cavallo MC 16 145 9812
Bolognola MC 18 142 9954
Cascia PG 18 3217 13171
Montemonaco AP 19 604 13775
Arquata del Tronto AP 19 1178 14953
Montegallo AP 19 523 15476
Fiordimonte MC 19 202 15678
Acquacanina MC 19 121 15799
Fiastra MC 20 559 16358

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
50 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
64 Km E of Perugia (166134 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
96 Km NE of Viterbo (67173 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 0.3 2021-11-12
18:32:28		 42.8662 13.1023 11 2021-11-12
18:45:21		 Sala Sismica INGV-Roma 97420721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-12 18:32:28 ± 0.1
Latitude 42.8662 ± 0.0054
Longitude 13.1023 ± 0.0098
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97420721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 731
Semi-minor axis of confidence ellipse (meter) 395
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36962
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 97420721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-12 18:45:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGLI.HHZ. 2021-11-12T18:34:12.95 3.0 undecidable manual Sg 10.98 0
IV.ZEN8.EHZ. 2021-11-12T18:33:53.97 3.0 undecidable manual Sg 7.98 0
AC.VLO.HHZ. 2021-11-12T18:33:46.36 3.0 negative manual Pg 9.68 0
CR.STON.BHZ. 2021-11-12T18:33:43.16 3.0 undecidable manual Sn -0.66 0
IV.SELL.HHZ. 2021-11-12T18:33:31.54 3.0 undecidable manual Pn 0.6 0
TV.GMB1.HHZ. 2021-11-12T18:33:30.57 3.0 negative manual Pn -7.1 0
OT.OT17.EHZ. 2021-11-12T18:33:26.75 3.0 undecidable manual Sg 8.17 0
IV.MRB1.HHZ. 2021-11-12T18:33:23.33 3.0 undecidable manual Sn -2.26 0
IV.SARZ.HHZ. 2021-11-12T18:33:22.73 3.0 negative manual Pg 6.45 0
IV.MBAL.EHZ. 2021-11-12T18:33:15.12 3.0 negative manual Pg 6.58 0
GU.POPM.HHZ. 2021-11-12T18:33:14.40 3.0 undecidable manual Sn -8.07 0
IX.PGN3.HHZ.02 2021-11-12T18:33:05.48 3.0 negative manual Pn -2.39 0
IV.LNSS.HNN. 2021-11-12T18:32:37.96 0.6 undecidable manual S 190 29.6481 50 -0.52 45
IV.CSP1.EHZ. 2021-11-12T18:32:37.53 0.6 undecidable manual S 18 26.3514 50 -0.08 48
IV.ASSB.HHZ. 2021-11-12T18:32:36.44 0.6 undecidable manual P 299 41.0256 50 0.62 39
IV.CESI.HHZ. 2021-11-12T18:32:36.14 0.6 undecidable manual S 314 22.2555 50 -0.36 46
IV.MMO1.EHZ. 2021-11-12T18:32:35.21 0.6 undecidable manual S 79 18.6702 120 -0.28 47
IV.FDMO.HHZ. 2021-11-12T18:32:35.28 0.6 undecidable manual S 356 18.9699 120 -0.3 46
IV.LNSS.HNN. 2021-11-12T18:32:34.01 0.1 undecidable manual P 190 29.6481 50 -0.06 95
IV.MC2.EHZ. 2021-11-12T18:32:33.01 0.6 undecidable manual S 54 8.6802 141 0.2 49
IV.CSP1.EHZ. 2021-11-12T18:32:33.61 0.3 undecidable manual P 18 26.3514 50 0.05 71
IV.MMO1.EHZ. 2021-11-12T18:32:32.25 0.1 undecidable manual P 79 18.6702 120 -0.09 97
IV.FDMO.HHZ. 2021-11-12T18:32:32.33 0.1 undecidable manual P 356 18.9699 120 -0.06 97
IV.CESI.HHZ. 2021-11-12T18:32:32.83 0.1 undecidable manual P 314 22.2555 50 -0.09 97
IV.NRCA.HHZ. 2021-11-12T18:32:31.80 0.6 undecidable manual S 165 3.7962 161 -0.18 48
IV.MC2.EHZ. 2021-11-12T18:32:31.14 0.1 undecidable manual P 54 8.6802 141 0.35 93
IV.NRCA.HHZ. 2021-11-12T18:32:30.36 0.1 undecidable manual P 165 3.7962 161 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHE. ML:0.3 0.000015060365 0.064 AML other m 2021-11-12T18:32:35.48
IV.MMO1.EHN. ML:0.1 0.000009164778499999999 0.064 AML other m 2021-11-12T18:32:35.53
IV.FDMO.HHE. ML:0.1 0.000008513254499999999 0.2432 AML other m 2021-11-12T18:32:35.53
IV.FDMO.HHN. ML:-0.2 0.0000061223449500000004 0.0768 AML other m 2021-11-12T18:32:35.85
IV.CESI.HHE. ML:0.2 0.000011813221 0.1792 AML other m 2021-11-12T18:32:36.93
IV.CESI.HHN. ML:0.4 0.00001593648 0.1024 AML other m 2021-11-12T18:32:36.67
IV.CSP1.EHE. ML:0.4 0.000013973104999999999 0.768 AML other m 2021-11-12T18:32:37.80
IV.CSP1.EHN. ML:0.7 0.000024709615 0.6144 AML other m 2021-11-12T18:32:37.41
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