Earthquake with magnitude of ML 1.3 on date 12-11-2021 and time 03:39:50 (Italy) in region 4 km NW Amatrice (RI)

A magnitude ML 1.3 earthquake occured in region: 4 km NW Amatrice (RI), on

  • 12-11-2021 02:39:50 (UTC)
  • 12-11-2021 03:39:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6540, 13.2560 at 14 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 4 2657 2657
Accumoli RI 5 667 3324
Cittareale RI 9 482 3806
Arquata del Tronto AP 14 1178 4984
Campotosto AQ 14 542 5526
Montereale AQ 14 2581 8107
Capitignano AQ 15 665 8772
Acquasanta Terme AP 18 2916 11688
Borbona RI 19 617 12305
Posta RI 19 694 12999

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
81 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
87 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 2021-11-12
02:39:50
42.6543 13.2563 14 2021-11-12
02:46:46
Sala Sismica INGV-Roma 97406021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-12 02:39:50 ± 0.15
Latitude 42.6543 ± 0.0054
Longitude 13.2563 ± 0.0061
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97406021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 505
Semi-minor axis of confidence ellipse (meter) 430
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 11
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 0.43887
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 97406021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-12 02:46:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-11-12T02:40:06.97 0.6 undecidable manual S 355 48.7179 94 0.71 39
IV.GAVE.EHZ. 2021-11-12T02:40:01.22 0.6 undecidable manual S 278 29.8479 99 -0.04 49
IV.MC2.EHZ. 2021-11-12T02:40:01.30 1.0 undecidable manual S 349 29.0487 100 0.25 23
IV.TERO.HHZ. 2021-11-12T02:40:00.87 0.6 undecidable manual S 97 28.5492 100 -0.06 48
IV.MMO1.HNZ. 2021-11-12T02:40:00.98 0.6 undecidable manual S 12 27.75 100 0.26 47
IV.CSP1.EHZ. 2021-11-12T02:40:00.17 1.0 undecidable manual P 355 48.7179 94 0.45 22
IV.CAMP.HHZ. 2021-11-12T02:39:58.37 0.6 undecidable manual S 136 18.1707 112 0.14 50
IV.LNSS.HHZ. 2021-11-12T02:39:58.19 0.6 undecidable manual S 252 18.5703 111 -0.14 49
IV.NRCA.HHZ. 2021-11-12T02:39:58.83 0.6 undecidable manual S 330 22.9548 104 -0.64 43
IV.MTRA.EHZ. 2021-11-12T02:39:57.27 0.6 undecidable manual S 45 16.0728 116 -0.47 46
IV.MC2.EHZ. 2021-11-12T02:39:56.55 0.6 undecidable manual P 349 29.0487 100 -0.16 48
IV.TERO.HHZ. 2021-11-12T02:39:56.65 0.3 undecidable manual P 97 28.5492 100 0.01 74
IV.MMO1.HNZ. 2021-11-12T02:39:56.43 0.1 undecidable manual P 12 27.75 100 -0.09 98
IV.GAVE.EHZ. 2021-11-12T02:39:56.79 0.3 positive manual P 278 29.8479 99 -0.04 74
IV.LNSS.HHZ. 2021-11-12T02:39:55.22 0.1 positive manual P 252 18.5703 111 0.08 100
IV.SMA1.EHZ. 2021-11-12T02:39:55.64 0.6 undecidable manual S 112 6.993 147 -0.26 49
IV.NRCA.HHZ. 2021-11-12T02:39:55.72 0.1 positive manual P 330 22.9548 104 -0.08 99
IV.CAMP.HHZ. 2021-11-12T02:39:55.29 0.1 undecidable manual P 136 18.1707 112 0.21 98
IV.MTRA.EHZ. 2021-11-12T02:39:54.87 0.3 undecidable manual P 45 16.0728 116 0.07 75
IV.SMA1.EHZ. 2021-11-12T02:39:53.89 0.1 positive manual P 112 6.993 147 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.6 0.0004255 1.54 AML other m 2021-11-12T02:39:56.21
IV.SMA1.EHE. ML:1.7 0.0006039999999999999 0.18 AML other m 2021-11-12T02:39:56.39
IV.MTRA.HNN. ML:1.4 0.0002197 0.42 AML other m 2021-11-12T02:39:56.46
IV.MTRA.EHE. ML:1.3 0.000147 0.46 AML other m 2021-11-12T02:39:57.64
IV.MTRA.HNE. ML:1.4 0.000214 0.46 AML other m 2021-11-12T02:39:57.64
IV.MTRA.EHN. ML:1.4 0.000207 0.5 AML other m 2021-11-12T02:39:57.46
IV.LNSS.HHE. ML:1.0 0.00007264999999999999 1.16 AML other m 2021-11-12T02:39:58.33
IV.LNSS.HHN. ML:0.9 0.000052499999999999995 1.1 AML other m 2021-11-12T02:39:59.56
IV.NRCA.HHN. ML:1.1 0.0000691 0.18 AML other m 2021-11-12T02:39:59.33
IV.NRCA.HHE. ML:1.2 0.00009015 0.86 AML other m 2021-11-12T02:39:59.25
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