Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 14-11-2021 and time 02:10:05 (UTC) in region 2 km N Ussita (MC)

A magnitude ML 0.8 earthquake occured in region: 2 km N Ussita (MC), on

  • 14-11-2021 02:10:05 (UTC)
  • 14-11-2021 03:10:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9670, 13.1420 at 6 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.

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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 6 1107 1551
Acquacanina MC 8 121 1672
Bolognola MC 8 142 1814
Fiastra MC 8 559 2373
Castelsantangelo sul Nera MC 8 281 2654
Fiordimonte MC 9 202 2856
Pieve Torina MC 11 1458 4314
Pievebovigliana MC 12 866 5180
Monte Cavallo MC 12 145 5325
Preci PG 13 724 6049
Muccia MC 15 915 6964
Sarnano MC 15 3264 10228
Montefortino FM 17 1178 11406
Montemonaco AP 17 604 12010
Amandola FM 18 3629 15639
Cessapalombo MC 19 512 16151
Serravalle di Chienti MC 19 1070 17221
Sellano PG 19 1079 18300
Gualdo MC 20 815 19115
Norcia PG 20 4957 24072
Camerino MC 20 6974 31046

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
61 Km NE of Terni (111501 inhabitants)
63 Km E of Perugia (166134 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
97 Km NW of Montesilvano (53738 inhabitants)
98 Km S of Fano (60888 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 0.8 2021-11-14
02:10:05		 42.9667 13.1417 6 2021-11-14
03:01:23		 Sala Sismica INGV-Roma 97450731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-14 02:10:05 ± 0.11
Latitude 42.9667 ± 0.0027
Longitude 13.1417 ± 0.0037
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97450731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 330
Semi-minor axis of confidence ellipse (meter) 53
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19245
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 97450731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-14 03:01:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMUR.HNZ. 2021-11-14T02:10:23.93 3.0 undecidable manual S -0.01 0
IV.CESI.HHZ. 2021-11-14T02:10:12.82 0.3 undecidable manual S 283 19.6692 106 0.2 71
IV.NRCA.HHZ. 2021-11-14T02:10:11.08 0.3 undecidable manual S 189 14.9739 111 0.03 75
IV.CSP1.EHZ. 2021-11-14T02:10:11.30 0.3 undecidable manual S 20 14.7741 111 0.29 71
IV.MMO1.EHZ. 2021-11-14T02:10:11.51 0.3 undecidable manual S 116 16.7721 109 -0.15 73
IV.MMO1.EHZ. 2021-11-14T02:10:09.00 0.1 undecidable manual P 116 16.7721 109 -0.06 99
IV.CESI.HHZ. 2021-11-14T02:10:09.63 0.1 undecidable manual P 283 19.6692 106 0.02 99
IV.MML1.EHZ. 2021-11-14T02:10:09.79 0.1 undecidable manual P 320 21.3675 105 -0.14 96
IV.FDMO.HHZ. 2021-11-14T02:10:08.89 0.3 undecidable manual S 330 8.88 123 -0.29 71
IV.NRCA.HHZ. 2021-11-14T02:10:08.69 0.1 undecidable manual P 189 14.9739 111 -0.01 100
IV.MC2.EHZ. 2021-11-14T02:10:08.80 0.3 undecidable manual S 148 7.1928 129 0.09 75
IV.CSP1.EHZ. 2021-11-14T02:10:08.76 0.1 undecidable manual P 20 14.7741 111 0.08 99
IV.MC2.EHZ. 2021-11-14T02:10:07.44 0.6 negative manual P 148 7.1928 129 0.09 50
IV.FDMO.HHZ. 2021-11-14T02:10:07.57 0.1 undecidable manual P 330 8.88 123 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.6 0.00006295000000000001 0.12 AML other m 2021-11-14T02:10:09.67
IV.FDMO.HHN. ML:0.7 0.00008269999999999999 0.28 AML other m 2021-11-14T02:10:10.45
IV.NRCA.HHE. ML:0.9 0.00009525 1.62 AML other m 2021-11-14T02:10:12.13
IV.NRCA.HHN. ML:0.8 0.00006484999999999999 1.48 AML other m 2021-11-14T02:10:12.24
IV.CESI.HHN. ML:0.9 0.0000688 0.22 AML other m 2021-11-14T02:10:13.39
IV.CESI.HHE. ML:0.7 0.0000385 0.72 AML other m 2021-11-14T02:10:13.90
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