Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 03-01-2020 and time 22:08:07 (Italy) in region 2 km W Amatrice (RI)

A magnitude ML 1.0 earthquake occured in region: 2 km W Amatrice (RI), on

  • 03-01-2020 21:08:07 (UTC)
  • 03-01-2020 22:08:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6390, 13.2680 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.

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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
Amatrice RI 2 2657 2657
Accumoli RI 7 667 3324
Cittareale RI 9 482 3806
Campotosto AQ 12 542 4348
Montereale AQ 13 2581 6929
Capitignano AQ 13 665 7594
Arquata del Tronto AP 15 1178 8772
Borbona RI 18 617 9389
Acquasanta Terme AP 19 2916 12305
Posta RI 19 694 12999
Cortino TE 20 656 13655

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of L'Aquila (69753 inhabitants)
36 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
80 Km W of Chieti (51815 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
89 Km SE of Perugia (166134 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 2020-01-03
21:08:07		 42.6388 13.2677 10 2020-01-03
21:18:42		 Sala Sismica INGV-Roma 75233841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-03 21:08:07 ± 0.08
Latitude 42.6388 ± 0.0063
Longitude 13.2677 ± 0.0061
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 75233841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 769
Semi-minor axis of confidence ellipse (meter) 402
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 156
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27969
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 75233841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-03 21:18:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MILN.HNZ. 2020-01-03T21:09:18.69 3.0 undecidable manual Pg 14.09 0
IV.MBFT.HHZ. 2020-01-03T21:09:10.93 3.0 negative manual Pn 1.48 0
IV.MSSA.HHZ. 2020-01-03T21:09:00.22 3.0 undecidable manual Pn 7.29 0
IV.MBAL.EHZ. 2020-01-03T21:08:58.00 3.0 undecidable manual Pn 1.31 0
IV.FIR.HHZ. 2020-01-03T21:08:45.34 3.0 undecidable manual Pg 10.88 0
IV.BRSN.EHZ. 2020-01-03T21:08:32.93 3.0 positive manual Pn -1.06 0
IV.VIVA.HHZ. 2020-01-03T21:08:19.67 3.0 undecidable manual P -0.01 0
IV.MMO1.EHZ. 2020-01-03T21:08:17.92 0.6 undecidable manual S 9 29.2485 50 -0.07 50
IV.LNSS.HHZ. 2020-01-03T21:08:14.85 0.6 undecidable manual S 258 18.9699 118 -0.14 50
IV.MMO1.EHZ. 2020-01-03T21:08:13.52 1.0 undecidable manual P 9 29.2485 50 -0.04 25
IV.RM33.EHZ. 2020-01-03T21:08:13.67 0.6 undecidable manual S 197 15.0738 124 -0.15 50
IV.GAVE.EHZ. 2020-01-03T21:08:13.76 0.6 undecidable manual P 281 31.0467 50 -0.07 50
IV.LNSS.HHZ. 2020-01-03T21:08:11.97 0.1 undecidable manual P 258 18.9699 118 0.14 100
IV.SMA1.EHZ. 2020-01-03T21:08:11.39 0.6 undecidable manual S 99 5.5944 151 -0.16 51
IV.RM33.EHZ. 2020-01-03T21:08:11.27 0.6 positive manual P 197 15.0738 124 0.12 51
IV.SMA1.EHZ. 2020-01-03T21:08:10.05 0.6 undecidable manual P 99 5.5944 151 0.2 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.4 0.0004166419 0.2304 AML other m 2020-01-03T21:08:12.03
IV.SMA1.EHN. ML:1.2 0.00026255635 0.1024 AML other m 2020-01-03T21:08:11.77
IV.RM33.HNE. ML:1.2 0.00014110820000000002 1.1264 AML other m 2020-01-03T21:08:16.60
IV.RM33.HNN. ML:1.2 0.00015821839999999998 2.0352 AML other m 2020-01-03T21:08:14.40
IV.RM33.EHE. ML:0.6 0.000034178615 0.9984 AML other m 2020-01-03T21:08:15.00
IV.RM33.EHN. ML:0.8 0.000053437105000000004 0.1152 AML other m 2020-01-03T21:08:14.24
IV.LNSS.HNE. ML:1.4 0.00018957758499999998 4.224 AML other m 2020-01-03T21:08:15.19
IV.LNSS.HNN. ML:1.4 0.00019423784999999998 2.6624 AML other m 2020-01-03T21:08:12.19
IV.LNSS.HHE. ML:0.4 0.000022390544999999998 0.3456 AML other m 2020-01-03T21:08:17.54
IV.LNSS.HHN. ML:0.7 0.00003447404499999999 4.608 AML other m 2020-01-03T21:08:15.10
IV.GAVE.EHE. ML:0.8 0.000029162920000000003 7.8848 AML other m 2020-01-03T21:08:26.75
IV.GAVE.EHN. ML:1.0 0.000045473780000000004 7.8592 AML other m 2020-01-03T21:08:18.60
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