Earthquake with magnitude of ML 0.9 on date 12-11-2021 and time 23:13:15 (UTC) in region 2 km NW Ussita (MC)

A magnitude ML 0.9 earthquake occured in region: 2 km NW Ussita (MC), on

  • 12-11-2021 23:13:15 (UTC)
  • 13-11-2021 00:13:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.961, 13.119 at 8 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
Ussita MC 2 444 444
Visso MC 4 1107 1551
Castelsantangelo sul Nera MC 8 281 1832
Fiordimonte MC 9 202 2034
Fiastra MC 9 559 2593
Acquacanina MC 9 121 2714
Bolognola MC 10 142 2856
Monte Cavallo MC 10 145 3001
Pieve Torina MC 11 1458 4459
Preci PG 11 724 5183
Pievebovigliana MC 12 866 6049
Muccia MC 15 915 6964
Sarnano MC 17 3264 10228
Sellano PG 18 1079 11307
Serravalle di Chienti MC 18 1070 12377
Montemonaco AP 18 604 12981
Montefortino FM 18 1178 14159
Norcia PG 19 4957 19116
Amandola FM 19 3629 22745
Camerino MC 20 6974 29719

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
58 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
62 Km E of Perugia (166134 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
98 Km NW of Montesilvano (53738 inhabitants)
99 Km S of Fano (60888 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 0.9 2021-11-12
23:13:15
42.9612 13.1192 8 2021-11-12
23:31:23
Sala Sismica INGV-Roma 97426131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-12 23:13:15 ± 0.08
Latitude 42.9612 ± 0.0045
Longitude 13.1192 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97426131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 404
Semi-minor axis of confidence ellipse (meter) 315
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 400
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.49103
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 97426131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-12 23:31:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.IMTC.HHZ. 2021-11-12T23:14:28.12 3.0 undecidable manual Sg 4.68 0
IV.FIR.HHZ. 2021-11-12T23:13:46.62 3.0 undecidable manual Pg 2.74 0
IV.RIBO.EHZ.01 2021-11-12T23:13:43.36 3.0 undecidable manual P 0.34 0
IV.VIVA.HHZ. 2021-11-12T23:13:39.08 3.0 negative manual P -0.03 0
IV.SENI.EHZ. 2021-11-12T23:13:38.76 3.0 undecidable manual S -4.09 0
IV.MNTT.EHZ. 2021-11-12T23:13:30.58 3.0 undecidable manual S 0.42 0
IV.SMA1.EHZ. 2021-11-12T23:13:29.56 0.3 undecidable manual S 154 0.3669 50 -0.07 72
IV.MF5.EHZ. 2021-11-12T23:13:26.50 0.3 undecidable manual S 84 0.2509 107 0.69 62
IV.TERO.HHZ. 2021-11-12T23:13:25.68 0.1 undecidable manual P 133 0.491 50 -0.2 91
IV.SMA1.EHZ. 2021-11-12T23:13:23.52 0.1 undecidable manual P 154 0.3669 50 -0.23 93
IV.MML1.EHZ. 2021-11-12T23:13:23.33 0.3 undecidable manual S 325 0.1862 112 -0.15 73
IV.ASSB.HHZ. 2021-11-12T23:13:23.29 0.1 undecidable manual P 284 0.3462 50 -0.12 95
IV.GUMA.HHZ. 2021-11-12T23:13:23.80 0.3 undecidable manual S 57 0.188 112 0.27 71
IV.MMO1.EHZ. 2021-11-12T23:13:22.32 0.3 undecidable manual S 112 0.1637 115 -0.37 70
IV.CESI.HHZ. 2021-11-12T23:13:22.88 0.3 undecidable manual S 286 0.1628 115 0.24 72
IV.MF5.EHZ. 2021-11-12T23:13:21.83 0.1 undecidable manual P 84 0.2509 107 0.28 94
IV.CSP1.EHZ. 2021-11-12T23:13:21.56 0.3 undecidable manual S 26 0.1448 118 -0.46 69
IV.NRCA.HHZ. 2021-11-12T23:13:21.47 0.3 undecidable manual S 182 0.1277 121 0.03 76
IV.GUMA.HHZ. 2021-11-12T23:13:20.45 0.1 undecidable manual P 57 0.188 112 0.22 96
IV.CESI.HHZ. 2021-11-12T23:13:20.08 0.1 undecidable manual P 286 0.1628 115 0.36 94
IV.MML1.EHZ. 2021-11-12T23:13:20.32 0.1 undecidable manual P 325 0.1862 112 0.12 98
IV.FDMO.HHZ. 2021-11-12T23:13:19.44 0.3 undecidable manual S 343 0.0791 134 -0.5 69
IV.NRCA.HHZ. 2021-11-12T23:13:19.26 0.1 undecidable manual P 182 0.1277 121 0.23 97
IV.MC2.EHZ. 2021-11-12T23:13:19.36 0.3 undecidable manual S 134 0.071 137 -0.38 71
IV.MMO1.EHZ. 2021-11-12T23:13:19.67 0.1 undecidable manual P 112 0.1637 115 -0.08 99
IV.CSP1.EHZ. 2021-11-12T23:13:19.30 0.1 undecidable manual P 26 0.1448 118 -0.07 100
IV.FDMO.HHZ. 2021-11-12T23:13:18.14 0.6 positive manual P 343 0.0791 134 -0.02 51
IV.MC2.EHZ. 2021-11-12T23:13:18.17 1.0 undecidable manual P 134 0.071 137 0.13 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1 0.000156 0.3 AML other m 2021-11-12T23:13:19.95
IV.FDMO.HHE. ML:0.6 6.67E-5 0.46 AML other m 2021-11-12T23:13:19.84
IV.MC2.EHN. ML:1.4 0.000361 0.18 AML other m 2021-11-12T23:13:20.79
IV.MC2.EHE. ML:1.1 0.0002246 0.56 AML other m 2021-11-12T23:13:20.86
IV.MMO1.EHE. ML:1 8.145E-5 0.2 AML other m 2021-11-12T23:13:22.76
IV.MMO1.EHN. ML:1 7.735E-5 1.12 AML other m 2021-11-12T23:13:23.05
IV.NRCA.HHN. ML:0.8 6.925E-5 0.14 AML other m 2021-11-12T23:13:23.07
IV.NRCA.HHE. ML:0.8 6.945E-5 0.08 AML other m 2021-11-12T23:13:23.14
IV.CESI.HHE. ML:0.9 6.5E-5 0.36 AML other m 2021-11-12T23:13:23.44
IV.CESI.HHN. ML:1.1 0.00011165 0.28 AML other m 2021-11-12T23:13:23.45
IV.GUMA.HHE. ML:1.1 9.21E-5 0.24 AML other m 2021-11-12T23:13:24.21
IV.MML1.EHN. ML:0.7 3.49E-5 0.7 AML other m 2021-11-12T23:13:24.80
IV.GUMA.HHN. ML:1 6.48E-5 0.68 AML other m 2021-11-12T23:13:24.94
IV.MML1.EHE. ML:0.6 3.11E-5 1.08 AML other m 2021-11-12T23:13:26.57
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