Earthquake with magnitude of ML 1.2 on date 28-12-2023 and time 15:57:43 (Italy) in region 1 km E Ussita (MC)

A magnitude ML 1.2 earthquake occured in region: 1 km E Ussita (MC), on

  • 28-12-2023 14:57:43 (UTC)
  • 28-12-2023 15:57:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9440, 13.1540 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.

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 1 444 444
Castelsantangelo sul Nera MC 5 281 725
Visso MC 6 1107 1832
Bolognola MC 8 142 1974
Acquacanina MC 10 121 2095
Fiastra MC 10 559 2654
Preci PG 12 724 3378
Fiordimonte MC 12 202 3580
Monte Cavallo MC 14 145 3725
Pieve Torina MC 14 1458 5183
Pievebovigliana MC 14 866 6049
Montemonaco AP 15 604 6653
Montefortino FM 15 1178 7831
Sarnano MC 16 3264 11095
Amandola FM 17 3629 14724
Norcia PG 17 4957 19681
Muccia MC 18 915 20596
Montegallo AP 18 523 21119
Sellano PG 19 1079 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
65 Km E of Perugia (166134 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
94 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
Reviewed
Rev100
ML 1.2 2023-12-28
14:57:43
42.9438 13.1542 11 2023-12-28
15:04:13
Sala Sismica INGV-Roma 124325431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-28 14:57:43 ± 0.06
Latitude 42.9438 ± 0.0036
Longitude 13.1542 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124325431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 417
Semi-minor axis of confidence ellipse (meter) 347
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43707
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 124325431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-28 15:04:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.CIMO.HHZ. 2023-12-28T14:58:41.16 3.0 undecidable manual Pg 22.25 0
GU.GRAM.HHZ. 2023-12-28T14:58:33.85 3.0 undecidable manual Pn 9.58 0
IV.CTL8.HNZ. 2023-12-28T14:58:30.38 3.0 undecidable manual Pn -1.16 0
OX.VARN.HHZ. 2023-12-28T14:58:26.23 3.0 negative manual Pn 7.95 0
IV.GIUL.HHZ. 2023-12-28T14:58:23.79 3.0 undecidable manual Sg -8.72 0
IV.ZCCA.HHZ. 2023-12-28T14:58:16.07 3.0 positive manual Pn 0.83 0
IV.SELL.HHZ. 2023-12-28T14:58:15.30 3.0 undecidable manual Sg 11.45 0
IV.PIEI.HHZ. 2023-12-28T14:58:09.72 3.0 negative manual Pg 13.18 0
IV.BRSN.HNZ. 2023-12-28T14:58:09.64 3.0 positive manual Pn 4.6 0
IV.SERS.HHZ. 2023-12-28T14:58:05.64 3.0 undecidable manual Sn 3.5 0
IV.CRE.HHZ. 2023-12-28T14:58:00.20 3.0 undecidable manual Pn -2.18 0
IV.RM33.EHZ. 2023-12-28T14:57:59.83 0.3 undecidable manual S 174 48.5181 50 0.34 67
IV.ASSB.HHZ. 2023-12-28T14:57:58.24 0.6 undecidable manual S 285 41.625 50 0.58 42
IV.SNTG.HHZ. 2023-12-28T14:57:57.08 0.6 undecidable manual S 333 38.628 50 0.23 46
IV.SMA1.EHZ. 2023-12-28T14:57:56.51 0.6 undecidable manual S 157 37.7289 50 -0.11 48
IV.MF5.EHZ. 2023-12-28T14:57:53.81 0.6 undecidable manual S 79 25.2525 50 0.52 45
IV.MML1.EHZ. 2023-12-28T14:57:52.93 0.6 undecidable manual S 322 23.9538 50 0 50
IV.RM33.EHZ. 2023-12-28T14:57:52.78 1.0 negative manual P 174 48.5181 50 -0.15 23
IV.GUMA.HHZ. 2023-12-28T14:57:52.14 0.6 undecidable manual S 48 19.7691 118 0.38 46
IV.CESI.HHZ. 2023-12-28T14:57:52.23 0.6 undecidable manual S 289 21.3675 50 -0.01 50
IV.ASSB.HHZ. 2023-12-28T14:57:51.53 0.1 undecidable manual P 285 41.625 50 -0.35 90
IV.SNTG.HHZ. 2023-12-28T14:57:51.03 0.1 undecidable manual P 333 38.628 50 -0.38 90
IV.MMO1.EHZ. 2023-12-28T14:57:50.14 0.6 undecidable manual S 109 14.874 126 -0.18 49
IV.CSP1.EHZ. 2023-12-28T14:57:50.80 0.6 undecidable manual S 14 16.9719 122 -0.11 49
IT.MTCL.HGZ. 2023-12-28T14:57:50.21 0.6 undecidable manual S 294 13.7751 128 0.21 49
IV.SMA1.EHZ. 2023-12-28T14:57:50.94 1.0 negative manual P 157 37.7289 50 -0.34 23
IV.ECTS.HHZ. 2023-12-28T14:57:49.73 3.0 undecidable manual Pn 0.37 0
IV.MML1.EHZ. 2023-12-28T14:57:49.01 0.3 negative manual P 322 23.9538 50 -0.14 73
IV.FDMO.HHZ. 2023-12-28T14:57:49.83 0.6 undecidable manual S 332 11.5773 132 0.39 47
IV.NRCA.HHZ. 2023-12-28T14:57:49.69 0.6 undecidable manual S 195 12.6762 130 -0.02 51
IV.MF5.EHZ. 2023-12-28T14:57:49.30 0.1 undecidable manual P 79 25.2525 50 -0.05 99
IV.CESI.HHZ. 2023-12-28T14:57:48.73 0.1 negative manual P 289 21.3675 50 -0.02 100
IV.GUMA.HHZ. 2023-12-28T14:57:48.61 0.3 undecidable manual P 48 19.7691 118 0.14 73
IV.NRCA.HHZ. 2023-12-28T14:57:47.31 1.0 negative manual P 195 12.6762 130 0.02 25
IV.MMO1.EHZ. 2023-12-28T14:57:47.53 1.0 undecidable manual P 109 14.874 126 -0.11 25
IV.CSP1.EHZ. 2023-12-28T14:57:47.63 0.1 undecidable manual P 14 16.9719 122 -0.35 94
IT.MTCL.HGZ. 2023-12-28T14:57:47.60 0.3 positive manual P 294 13.7751 128 0.14 74
IV.FDMO.HHZ. 2023-12-28T14:57:47.20 1.0 positive manual P 332 11.5773 132 0.06 25
IV.SRES.HHZ. 2023-12-28T14:57:46.85 3.0 negative manual P -5.22 0
IV.VVLD.HHZ. 2023-12-28T14:57:35.48 3.0 undecidable manual Pn -4.69 0
IV.MRLC.HHZ. 2023-12-28T14:57:19.80 3.0 positive manual Pg -2.38 0
GE.MATE.HHZ. 2023-12-28T14:57:10.83 3.0 undecidable manual P -0.12 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.8 0.00008245 0.2 AML other m 2023-12-28T14:57:49.82
IV.FDMO.HHN. ML:1.0 0.00011300000000000001 0.16 AML other m 2023-12-28T14:57:50.02
IV.MMO1.EHE. ML:1.2 0.00013929999999999997 0.48 AML other m 2023-12-28T14:57:50.42
IV.NRCA.HHN. ML:1.4 0.000301 1.9 AML other m 2023-12-28T14:57:50.99
IV.CSP1.EHN. ML:1.6 0.000314 0.44 AML other m 2023-12-28T14:57:51.21
IV.CSP1.EHE. ML:1.6 0.00033899999999999995 0.46 AML other m 2023-12-28T14:57:51.21
IV.MMO1.EHN. ML:1.0 0.00009955 1.18 AML other m 2023-12-28T14:57:51.18
IV.CESI.HHE. ML:1.2 0.00011685000000000001 0.28 AML other m 2023-12-28T14:57:52.73
IV.CESI.HHN. ML:1.4 0.000153 1.4 AML other m 2023-12-28T14:57:53.73
IV.MML1.EHN. ML:0.9 0.000051599999999999994 1.4 AML other m 2023-12-28T14:57:53.18
IV.GUMA.HHN. ML:1.2 0.000117 1.56 AML other m 2023-12-28T14:57:54.20
IV.GUMA.HHE. ML:1.2 0.00012164999999999999 1.7 AML other m 2023-12-28T14:57:54.14
IV.MML1.EHE. ML:0.6 0.00002305 0.3 AML other m 2023-12-28T14:57:55.82
IV.ASSB.HHE. ML:1.0 0.0000352 0.78 AML other m 2023-12-28T14:57:57.46
IV.ASSB.HHN. ML:1.1 0.00004045 1.3 AML other m 2023-12-28T14:57:58.98
IV.RM33.EHN. ML:1.0 0.00002605 0.18 AML other m 2023-12-28T14:58:00.24
IV.RM33.EHE. ML:1.2 0.000045950000000000006 0.94 AML other m 2023-12-28T14:58:01.23
IV.SRES.HHN. ML:1.9 0.000092 1.26 AML other m 2023-12-28T14:58:40.23
IV.SRES.HHE. ML:1.7 0.0000559 0.72 AML other m 2023-12-28T14:58:41.96
IV.NRCA.HHE. ML:1.5 0.00033699999999999995 0.16 AML other m 2023-12-28T14:59:13.80
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