Earthquake with magnitude of ML 0.5 on date 06-12-2022 and time 22:20:31 (UTC) in region 2 km SE Ussita (MC)

A magnitude ML 0.5 earthquake occured in region: 2 km SE Ussita (MC), on

  • 06-12-2022 22:20:31 (UTC)
  • 06-12-2022 23:20:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9330, 13.1590 at 14 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
Ussita MC 2 444 444
Castelsantangelo sul Nera MC 4 281 725
Visso MC 6 1107 1832
Bolognola MC 9 142 1974
Acquacanina MC 11 121 2095
Preci PG 11 724 2819
Fiastra MC 12 559 3378
Fiordimonte MC 13 202 3580
Montemonaco AP 14 604 4184
Monte Cavallo MC 15 145 4329
Montefortino FM 15 1178 5507
Pieve Torina MC 15 1458 6965
Pievebovigliana MC 16 866 7831
Norcia PG 16 4957 12788
Sarnano MC 16 3264 16052
Amandola FM 17 3629 19681
Montegallo AP 17 523 20204
Muccia MC 19 915 21119
Sellano PG 19 1079 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
54 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
66 Km E of Perugia (166134 inhabitants)
68 Km N of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
93 Km NW of Montesilvano (53738 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
Bulletin
Rev1000
ML 0.5 2022-12-06
22:20:31
42.9332 13.1588 14 2024-03-01
15:28:12
Bollettino Sismico Italiano INGV 113058541
Reviewed
Rev100
ML 0.5 2022-12-06
22:20:31
42.9368 13.1488 14 2022-12-06
22:26:49
Sala Sismica INGV-Roma 112573031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-06 22:20:31 ± 0.1
Latitude 42.9332 ± 0.0054
Longitude 13.1588 ± 0.0061
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113058541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 654
Semi-minor axis of confidence ellipse (meter) 251
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19965
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 113058541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-12-24 16:23:52

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 112573031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-06 22:26:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2022-12-06T22:20:41.59 3.0 undecidable manual P 0
IV.CESI.HNZ. 2022-12-06T22:20:39.94 0.1 undecidable manual S 291 22.1556 106 0.08 97
IV.FDMO.HHZ. 2022-12-06T22:20:37.23 0.3 undecidable manual S 333 12.876 125 -0.38 70
7F.SIB3.EHZ. 2022-12-06T22:20:37.06 0.1 undecidable manual S 125 11.0778 131 -0.17 97
7F.SIB2.EHE. 2022-12-06T22:20:37.40 0.3 undecidable manual S 112 12.6762 126 -0.17 73
IV.NRCA.HHZ. 2022-12-06T22:20:37.08 0.3 undecidable manual S 198 11.5773 129 -0.27 71
IV.MMO1.HNZ. 2022-12-06T22:20:37.74 0.1 undecidable manual S 105 14.1747 121 -0.15 97
7F.SIB1.EHZ. 2022-12-06T22:20:37.16 0.3 undecidable manual S 115 9.9789 135 0.14 73
IV.MC2.EHZ. 2022-12-06T22:20:36.23 0.3 undecidable manual S 135 3.3966 163 0.12 73
IV.CESI.HNZ. 2022-12-06T22:20:36.26 0.1 undecidable manual P 291 22.1556 106 -0.02 98
IV.MMO1.HNZ. 2022-12-06T22:20:35.17 0.1 undecidable manual P 105 14.1747 121 0.03 100
7F.SIB2.EHE. 2022-12-06T22:20:35.05 0.1 undecidable manual P 112 12.6762 126 0.09 99
IV.NRCA.HHZ. 2022-12-06T22:20:34.86 0.1 undecidable manual P 198 11.5773 129 0.03 100
7F.SIB1.EHZ. 2022-12-06T22:20:34.89 0.1 undecidable manual P 115 9.9789 135 0.25 96
IV.FDMO.HHZ. 2022-12-06T22:20:34.93 0.1 undecidable manual P 333 12.876 125 -0.05 100
7F.SIB3.EHZ. 2022-12-06T22:20:34.80 0.1 undecidable manual P 125 11.0778 131 0.03 100
IV.MC2.EHZ. 2022-12-06T22:20:34.36 0.1 undecidable manual P 135 3.3966 163 0.25 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MC2.EHE. ML:0.7 0.0000577353 0.1152 AML other m 2022-12-06T22:20:36.31
IV.MC2.EHN. ML:0.7 0.00006479813149999999 0.2176 AML other m 2022-12-06T22:20:36.43
IV.NRCA.HHN. ML:0.3 0.000019031225 0.0512 AML other m 2022-12-06T22:20:37.16
IV.NRCA.HHE. ML:0.2 0.00001502287 0.1024 AML other m 2022-12-06T22:20:37.86
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