Earthquake with magnitude of ML 1.0 on date 29-01-2020 and time 02:33:00 (Italy) in region 8 km W Arquata del Tronto (AP)

A magnitude ML 1.0 earthquake occured in region: 8 km W Arquata del Tronto (AP), on

  • 29-01-2020 01:33:00 (UTC)
  • 29-01-2020 02:33:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7780, 13.1990 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Arquata del Tronto AP 8 1178 1178
Norcia PG 9 4957 6135
Accumoli RI 10 667 6802
Montegallo AP 13 523 7325
Castelsantangelo sul Nera MC 14 281 7606
Cascia PG 17 3217 10823
Preci PG 17 724 11547
Montemonaco AP 17 604 12151
Acquasanta Terme AP 17 2916 15067
Cittareale RI 18 482 15549
Amatrice RI 18 2657 18206
Ussita MC 19 444 18650
Visso MC 19 1107 19757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
51 Km E of Terni (111501 inhabitants)
75 Km E of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
93 Km NW of Chieti (51815 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km NE of Tivoli (56533 inhabitants)
97 Km S of Ancona (100861 inhabitants)
98 Km E of Viterbo (67173 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 1.0 2020-01-29
01:33:00
42.7785 13.1988 6 2020-01-29
01:38:13
Sala Sismica INGV-Roma 75978061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-29 01:33:00 ± 0.14
Latitude 42.7785 ± 0.0027
Longitude 13.1988 ± 0.0049
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 75978061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 333
Semi-minor axis of confidence ellipse (meter) 294
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 302
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) 140
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26980
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 4
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 75978061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-29 01:38:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.STN3.HHZ.02 2020-01-29T01:34:42.83 3.0 undecidable manual Sg 21.309999 0
IV.MCRV.HHZ. 2020-01-29T01:34:12.55 3.0 undecidable manual Sn 1.39 0
IV.AGLI.HHZ. 2020-01-29T01:34:12.07 3.0 undecidable manual Sn -1.8 0
IV.PAOL.HHZ. 2020-01-29T01:33:34.31 3.0 positive manual Pg 5.98 0
IX.MNT3.HHZ.02 2020-01-29T01:33:33.24 3.0 negative manual Pn 0.14 0
MN.TRI.HHZ. 2020-01-29T01:33:30.45 3.0 negative manual Pn 0.54 0
IV.MRB1.HHZ. 2020-01-29T01:33:28.44 3.0 undecidable manual Pn -1.46 0
IV.RIBO.EHZ.01 2020-01-29T01:33:25.35 3.0 undecidable manual Sg 0.44 0
IV.ARCI.HHZ. 2020-01-29T01:33:20.34 3.0 undecidable manual Sg 1 0
IV.CPGN.EHZ. 2020-01-29T01:33:16.67 3.0 undecidable manual Sg -0.25 0
IV.MAON.HHZ. 2020-01-29T01:33:12.46 3.0 undecidable manual Pg 1.93 0
IV.RM33.EHZ. 2020-01-29T01:33:11.17 0.6 undecidable manual S 178 29.9478 102 0.08 48
IV.MMO1.EHZ. 2020-01-29T01:33:06.70 0.6 undecidable manual S 38 16.9719 110 -0.05 49
IV.RM33.EHZ. 2020-01-29T01:33:06.46 1.0 undecidable manual P 178 29.9478 102 -0.15 23
IV.MC2.EHZ. 2020-01-29T01:33:06.19 0.6 undecidable manual S 357 14.7741 113 0.15 48
IV.MMO1.EHZ. 2020-01-29T01:33:04.09 0.6 undecidable manual P 38 16.9719 110 -0.01 49
IV.NRCA.HHZ. 2020-01-29T01:33:04.26 0.6 undecidable manual S 312 9.1797 124 -0.08 49
IV.MC2.EHZ. 2020-01-29T01:33:03.66 0.6 undecidable manual P 357 14.7741 113 -0.03 49
TV.SF01.EHZ. 2020-01-29T01:33:02.60 3.0 undecidable manual P -2.54 0
IV.NRCA.HHZ. 2020-01-29T01:33:02.72 0.1 negative manual P 312 9.1797 124 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.0 0.000182 0.16 AML other m 2020-01-29T01:33:04.27
IV.NRCA.HHN. ML:0.9 0.0001398 0.16 AML other m 2020-01-29T01:33:04.33
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