Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 03-01-2020 and time 03:58:51 (Italy) in region 1 km SW Amatrice (RI)

A magnitude ML 0.9 earthquake occured in region: 1 km SW Amatrice (RI), on

  • 03-01-2020 02:58:51 (UTC)
  • 03-01-2020 03:58:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6230, 13.2760 at 12 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 1 2657 2657
Accumoli RI 8 667 3324
Cittareale RI 9 482 3806
Campotosto AQ 11 542 4348
Montereale AQ 11 2581 6929
Capitignano AQ 12 665 7594
Arquata del Tronto AP 17 1178 8772
Borbona RI 17 617 9389
Posta RI 18 694 10083
Crognaleto TE 19 1297 11380
Cagnano Amiterno AQ 19 1369 12749
Cortino TE 19 656 13405
Barete AQ 19 737 14142
Acquasanta Terme AP 20 2916 17058

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of L'Aquila (69753 inhabitants)
35 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
79 Km W of Pescara (121014 inhabitants)
79 Km W of Chieti (51815 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
90 Km SE of Perugia (166134 inhabitants)
99 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 0.9 2020-01-03
02:58:51		 42.6233 13.276 12 2020-01-03
03:03:27		 Sala Sismica INGV-Roma 75214481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-03 02:58:51 ± 0.12
Latitude 42.6233 ± 0.0054
Longitude 13.2760 ± 0.0073
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 75214481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 707
Semi-minor axis of confidence ellipse (meter) 327
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 131
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.01169
Epicentral distance of station farthest from the epicenter (degree) 0.28868
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 75214481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-03 03:03:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2020-01-03T02:59:02.29 0.6 undecidable manual S 8 30.9468 94 0.02 48
IV.GAVE.EHZ. 2020-01-03T02:59:02.49 0.6 undecidable manual S 284 32.0457 94 -0.09 48
IV.LNSS.HHZ. 2020-01-03T02:58:59.19 0.6 undecidable manual S 263 19.3695 101 -0.02 50
IV.MTRA.EHZ. 2020-01-03T02:58:58.45 0.6 undecidable manual S 34 17.7711 103 -0.34 46
IV.RM33.EHZ. 2020-01-03T02:58:57.51 0.6 undecidable manual S 202 13.6752 114 -0.24 47
IV.MMO1.EHZ. 2020-01-03T02:58:57.80 1.0 undecidable manual P 8 30.9468 94 0.06 24
IV.GAVE.EHZ. 2020-01-03T02:58:57.90 0.6 negative manual P 284 32.0457 94 -0.02 48
IV.SMA1.EHZ. 2020-01-03T02:58:56.18 0.6 undecidable manual S 81 4.8951 152 0.14 50
IV.LNSS.HHZ. 2020-01-03T02:58:56.00 0.3 positive manual P 263 19.3695 101 0.03 74
IV.T1299.HNZ. 2020-01-03T02:58:55.58 0.6 undecidable manual S 23 1.2987 172 -0.17 49
IV.RM33.EHZ. 2020-01-03T02:58:55.22 0.6 positive manual P 202 13.6752 114 0.09 49
IV.MTRA.EHZ. 2020-01-03T02:58:55.73 0.6 undecidable manual P 34 17.7711 103 0 50
IV.SMA1.EHZ. 2020-01-03T02:58:54.33 0.3 negative manual P 81 4.8951 152 0.19 74
IV.T1299.HNZ. 2020-01-03T02:58:54.09 0.1 undecidable manual P 23 1.2987 172 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.1 0.0001805 0.56 AML other m 2020-01-03T02:58:56.32
IV.SMA1.EHN. ML:0.8 0.00009379999999999999 0.12 AML other m 2020-01-03T02:58:56.54
IV.RM33.EHN. ML:0.8 0.00005485 1.68 AML other m 2020-01-03T02:58:58.87
IV.RM33.EHE. ML:0.8 0.00006465 1.26 AML other m 2020-01-03T02:58:58.87
IV.MTRA.EHN. ML:0.9 0.00006385 0.24 AML other m 2020-01-03T02:58:58.80
IV.MTRA.EHE. ML:0.8 0.0000567 1.48 AML other m 2020-01-03T02:58:59.99
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