Earthquake with magnitude of ML 1.3 on date 03-10-2020 and time 21:35:26 (Italy) in region 2 km SW Amatrice (RI)

A magnitude ML 1.3 earthquake occured in region: 2 km SW Amatrice (RI), on

  • 03-10-2020 19:35:26 (UTC)
  • 03-10-2020 21:35:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6170, 13.2710 at 13 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
Amatrice RI 2 2657 2657
Accumoli RI 9 667 3324
Cittareale RI 9 482 3806
Montereale AQ 10 2581 6387
Campotosto AQ 11 542 6929
Capitignano AQ 11 665 7594
Borbona RI 16 617 8211
Arquata del Tronto AP 18 1178 9389
Posta RI 18 694 10083
Cagnano Amiterno AQ 18 1369 11452
Barete AQ 18 737 12189
Crognaleto TE 19 1297 13486
Cortino TE 20 656 14142

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of L'Aquila (69753 inhabitants)
36 Km W of Teramo (54892 inhabitants)
51 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)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
90 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 1.3 2020-10-03
19:35:26
42.6172 13.2707 13 2020-10-03
19:45:01
Sala Sismica INGV-Roma 83477051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-03 19:35:26 ± 0.09
Latitude 42.6172 ± 0.0054
Longitude 13.2707 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83477051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 529
Semi-minor axis of confidence ellipse (meter) 316
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 18
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.24551
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 83477051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-03 19:45:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2020-10-03T19:35:35.60 0.6 undecidable manual S 332 27.1506 97 -0.16 46
IV.TERO.HHZ. 2020-10-03T19:35:35.51 0.3 undecidable manual S 89 27.2505 97 -0.26 69
IV.LNSS.HHZ. 2020-10-03T19:35:33.48 0.6 undecidable manual S 265 18.87 106 -0.1 48
IV.RM33.EHZ. 2020-10-03T19:35:31.77 0.6 undecidable manual S 201 12.876 121 -0.32 47
IV.NRCA.HHZ. 2020-10-03T19:35:31.66 0.1 undecidable manual P 332 27.1506 97 0.01 96
IV.TERO.HHZ. 2020-10-03T19:35:31.75 0.1 undecidable manual P 89 27.2505 97 0.1 95
IV.SMA1.EHZ. 2020-10-03T19:35:30.63 0.6 undecidable manual S 74 5.4945 151 -0.09 50
IV.LNSS.HHZ. 2020-10-03T19:35:30.43 0.1 undecidable manual P 265 18.87 106 0.05 97
IV.RM33.EHZ. 2020-10-03T19:35:29.64 0.1 undecidable manual P 201 12.876 121 0.11 97
IV.SMA1.EHZ. 2020-10-03T19:35:28.94 0.1 undecidable manual P 74 5.4945 151 0.2 96
IV.T1299.HNZ. 2020-10-03T19:35:28.58 0.1 undecidable manual P 26 2.0979 168 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.6 0.0004881301 0.256 AML other m 2020-10-03T19:35:30.78
IV.SMA1.EHN. ML:1.2 0.00020374985000000002 0.1024 AML other m 2020-10-03T19:35:31.09
IV.RM33.HNE. ML:1.2 0.000162880835 0.32 AML other m 2020-10-03T19:35:32.28
IV.RM33.HNN. ML:1.3 0.0001893301 0.7552 AML other m 2020-10-03T19:35:35.14
IV.RM33.EHE. ML:1.0 0.00009743917499999999 1.6512 AML other m 2020-10-03T19:35:29.40
IV.RM33.EHN. ML:0.8 0.00006371688999999999 0.2304 AML other m 2020-10-03T19:35:32.62
IV.NRCA.HNE. ML:1.2 0.00008707578499999998 0.8832 AML other m 2020-10-03T19:35:44.99
IV.NRCA.HNN. ML:1.6 0.00018754375000000002 1.1264 AML other m 2020-10-03T19:35:31.33
IV.NRCA.HHE. ML:1.2 0.000075762105 1.8816 AML other m 2020-10-03T19:35:30.89
IV.NRCA.HHN. ML:1.1 0.00006103752 1.6384 AML other m 2020-10-03T19:35:31.11
IV.TERO.HHE. ML:0.7 0.000025349210000000002 0.064 AML other m 2020-10-03T19:35:35.76
IV.TERO.HHN. ML:1.4 0.00014663690000000002 1.8176 AML other m 2020-10-03T19:35:32.50
IV.TERO.HNE. ML:1.5 0.0001543169 1.0496 AML other m 2020-10-03T19:35:43.96
IV.TERO.HNN. ML:1.4 0.00013178824999999998 0.6272 AML other m 2020-10-03T19:35:34.93
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