Earthquake with magnitude of ML 1.3 on date 16-01-2021 and time 11:11:52 (UTC) in region 4 km N Ussita (MC)

A magnitude ML 1.3 earthquake occured in region: 4 km N Ussita (MC), on

  • 16-01-2021 11:11:52 (UTC)
  • 16-01-2021 12:11:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9780, 13.1370 at 10 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 4 444 444
Visso MC 6 1107 1551
Acquacanina MC 7 121 1672
Fiastra MC 7 559 2231
Bolognola MC 8 142 2373
Fiordimonte MC 8 202 2575
Castelsantangelo sul Nera MC 9 281 2856
Pieve Torina MC 10 1458 4314
Pievebovigliana MC 10 866 5180
Monte Cavallo MC 11 145 5325
Preci PG 14 724 6049
Muccia MC 14 915 6964
Sarnano MC 15 3264 10228
Montefortino FM 17 1178 11406
Cessapalombo MC 18 512 11918
Montemonaco AP 18 604 12522
Amandola FM 18 3629 16151
Serravalle di Chienti MC 18 1070 17221
Camerino MC 19 6974 24195
Gualdo MC 19 815 25010
Caldarola MC 19 1823 26833
Sellano PG 20 1079 27912

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
58 Km NW of Teramo (54892 inhabitants)
61 Km NE of Terni (111501 inhabitants)
63 Km E of Perugia (166134 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
97 Km S of Fano (60888 inhabitants)
97 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 1.3 2021-01-16
11:11:52
42.9778 13.1372 10 2021-01-16
11:21:00
Sala Sismica INGV-Roma 86301591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-16 11:11:52 ± 0.11
Latitude 42.9778 ± 0.0045
Longitude 13.1372 ± 0.0086
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86301591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 647
Semi-minor axis of confidence ellipse (meter) 416
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 267
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) 92
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) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29138
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 86301591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-16 11:21:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.PANI.EHZ. 2021-01-16T11:13:20.07 3.0 undecidable manual Sn -3.25 0
AC.VLO.HHZ. 2021-01-16T11:13:10.44 3.0 undecidable manual Pg 12.35 0
IV.CMPR.HHZ. 2021-01-16T11:13:02.63 3.0 undecidable manual Sn -2.11 0
ST.CARE.EHZ. 2021-01-16T11:12:58.87 3.0 negative manual Pg 11.16 0
IV.PTRJ.HNZ. 2021-01-16T11:12:36.56 3.0 undecidable manual Sn 0.77 0
IV.PE3.EHZ. 2021-01-16T11:12:30.39 3.0 undecidable manual S 4.6 0
IV.IFOR.HHZ. 2021-01-16T11:12:26.73 3.0 negative manual Pg 5.52 0
IV.MCRV.HHZ. 2021-01-16T11:12:22.59 3.0 undecidable manual Pn -0.67 0
OT.OT14.EHZ. 2021-01-16T11:12:19.30 3.0 undecidable manual Pg 3.12 0
IV.PTRJ.HNZ. 2021-01-16T11:12:12.26 3.0 undecidable manual Pn -1.14 0
IV.PE3.EHZ. 2021-01-16T11:12:09.78 3.0 negative manual Pg 2 0
IV.MF5.EHE. 2021-01-16T11:12:02.11 0.6 undecidable manual S 87 26.1516 50 0.44 45
IV.MTRA.EHZ. 2021-01-16T11:12:02.98 0.6 undecidable manual S 139 32.3454 50 -0.33 46
IV.MTRA.EHZ. 2021-01-16T11:11:58.48 3.0 undecidable manual P 139 32.3454 50 -0.06 0
IV.MMO1.EHZ. 2021-01-16T11:11:58.85 0.6 undecidable manual S 119 17.6712 120 -0.26 48
IV.NRCA.HHZ. 2021-01-16T11:11:58.51 0.6 undecidable manual S 187 16.0728 122 -0.13 49
IV.MC2.EHZ. 2021-01-16T11:11:57.12 0.6 undecidable manual S 150 8.4804 140 0.49 46
IV.CSP1.EHZ. 2021-01-16T11:11:57.85 0.6 undecidable manual S 23 13.7751 127 -0.13 49
IV.MF5.EHE. 2021-01-16T11:11:57.70 0.6 undecidable manual P 87 26.1516 50 0.1 48
IV.FDMO.HHZ. 2021-01-16T11:11:56.46 0.6 undecidable manual S 328 7.6812 143 0 51
IV.MMO1.EHZ. 2021-01-16T11:11:55.92 0.3 undecidable manual P 119 17.6712 120 -0.2 72
IV.NRCA.HHZ. 2021-01-16T11:11:55.81 0.1 positive manual P 187 16.0728 122 -0.04 100
IV.PF6.EHZ. 2021-01-16T11:11:55.89 1.0 undecidable manual P 15 18.3705 119 -0.34 23
IT.MTCL.HGZ. 2021-01-16T11:11:55.12 0.6 undecidable manual P 279 11.2776 132 0.04 50
IV.MC2.EHZ. 2021-01-16T11:11:55.01 0.6 undecidable manual P 150 8.4804 140 0.32 48
IV.CSP1.EHZ. 2021-01-16T11:11:55.42 0.6 positive manual P 23 13.7751 127 -0.04 50
IV.FDMO.HHZ. 2021-01-16T11:11:54.66 0.6 undecidable manual P 328 7.6812 143 0.07 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.0 0.00013450000000000002 0.12 AML other m 2021-01-16T11:11:56.74
IV.FDMO.HHE. ML:0.9 0.0001245 0.14 AML other m 2021-01-16T11:11:57.14
IV.NRCA.HHN. ML:1.4 0.0002075 0.1 AML other m 2021-01-16T11:11:58.73
IV.NRCA.HHE. ML:1.4 0.00022649999999999998 0.08 AML other m 2021-01-16T11:11:58.81
IV.NRCA.HNE. ML:1.4 0.00021820310000000002 0.0896 AML other m 2021-01-16T11:11:58.77
IV.NRCA.HNN. ML:1.4 0.00019770845000000002 0.0896 AML other m 2021-01-16T11:11:58.68
IV.MTRA.EHE. ML:1.1 0.000057642665 0.1792 AML other m 2021-01-16T11:12:03.66
IV.MTRA.EHN. ML:1.1 0.00005444649 0.2432 AML other m 2021-01-16T11:12:03.05
IV.MTRA.HNE. ML:1.4 0.000125661105 0.832 AML other m 2021-01-16T11:12:08.59
IV.MTRA.HNN. ML:1.6 0.0001868368 3.6544 AML other m 2021-01-16T11:12:06.40
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