Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 17-01-2020 and time 12:57:00 (Italy) in region 2 km SE Ussita (MC)

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

  • 17-01-2020 11:57:00 (UTC)
  • 17-01-2020 12:57:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9360, 13.1570 at 17 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
Castelsantangelo sul Nera MC 5 281 725
Visso MC 6 1107 1832
Bolognola MC 9 142 1974
Acquacanina MC 11 121 2095
Fiastra MC 11 559 2654
Preci PG 11 724 3378
Fiordimonte MC 13 202 3580
Monte Cavallo MC 14 145 3725
Montemonaco AP 15 604 4329
Pieve Torina MC 15 1458 5787
Montefortino FM 15 1178 6965
Pievebovigliana MC 15 866 7831
Sarnano MC 16 3264 11095
Norcia PG 17 4957 16052
Amandola FM 17 3629 19681
Montegallo AP 18 523 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)
65 Km E of Perugia (166134 inhabitants)
68 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 0.8 2020-01-17
11:57:00		 42.9355 13.1567 17 2020-01-17
12:04:31		 Sala Sismica INGV-Roma 75610181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-17 11:57:00 ± 0.11
Latitude 42.9355 ± 0.0045
Longitude 13.1567 ± 0.0074
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 75610181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 633
Semi-minor axis of confidence ellipse (meter) 193
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 237
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 17
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) 0.45236
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
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 75610181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-17 12:04:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2020-01-17T11:57:17.56 3.0 undecidable manual S -0.24 0
IV.SMA1.EHZ. 2020-01-17T11:57:13.11 0.3 undecidable manual S 157 36.8298 103 -0.08 72
IV.CESI.HHZ. 2020-01-17T11:57:09.65 0.3 undecidable manual S 291 21.867 117 0.23 71
IV.ATCC.EHZ. 2020-01-17T11:57:09.80 0.1 undecidable manual P 304 50.2164 99 -0.14 91
IV.CSP1.EHZ. 2020-01-17T11:57:08.37 0.3 undecidable manual S 13 17.7711 124 -0.1 73
IV.SMA1.EHZ. 2020-01-17T11:57:07.55 0.1 undecidable manual P 157 36.8298 103 -0.37 90
IT.MTCL.HGZ. 2020-01-17T11:57:07.45 0.3 undecidable manual S 297 14.2746 132 -0.29 71
IV.FDMO.HHZ. 2020-01-17T11:57:07.01 0.3 undecidable manual S 333 12.5763 136 -0.39 70
IV.NRCA.HHE. 2020-01-17T11:57:07.03 0.6 undecidable manual S 197 11.7771 138 -0.24 49
IV.MMO1.EHZ. 2020-01-17T11:57:07.69 0.3 undecidable manual S 106 14.3745 131 -0.07 75
IV.MC2.EHZ. 2020-01-17T11:57:06.28 0.1 undecidable manual S 135 3.7962 165 0.05 100
IV.MMO1.EHZ. 2020-01-17T11:57:05.05 0.1 undecidable manual P 106 14.3745 131 0.27 95
IV.CSP1.EHZ. 2020-01-17T11:57:05.36 0.1 undecidable manual P 13 17.7711 124 0.16 97
IV.CESI.HHZ. 2020-01-17T11:57:05.94 0.3 undecidable manual P 291 21.867 117 0.2 72
IT.MTCL.HGZ. 2020-01-17T11:57:04.69 0.1 undecidable manual P 297 14.2746 132 -0.08 99
IV.FDMO.HHZ. 2020-01-17T11:57:04.64 0.1 undecidable manual P 333 12.5763 136 0.06 100
IV.NRCA.HHE. 2020-01-17T11:57:04.64 0.1 undecidable manual P 197 11.7771 138 0.14 98
IV.MC2.EHZ. 2020-01-17T11:57:04.16 0.1 undecidable manual P 135 3.7962 165 0.26 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.0 0.0000692 0.24 AML other m 2020-01-17T11:57:07.31
IV.FDMO.HHE. ML:0.6 0.00003515 0.4 AML other m 2020-01-17T11:57:07.02
IV.CESI.HHE. ML:0.8 0.0000328 1.44 AML other m 2020-01-17T11:57:09.91
IV.CESI.HHN. ML:1.0 0.00005300000000000001 0.24 AML other m 2020-01-17T11:57:09.91
IV.CSP1.EHE. ML:0.4 0.00001699944625 0.2176 AML other m 2020-01-17T11:57:08.52
IV.CSP1.EHN. ML:1.0 0.00005755555000000001 0 AML other m 2020-01-17T11:57:08.75
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