Earthquake with magnitude of ML 1.4 on date 02-02-2021 and time 19:12:56 (UTC) in region 6 km SW Amatrice (RI)

A magnitude ML 1.4 earthquake occured in region: 6 km SW Amatrice (RI), on

  • 02-02-2021 19:12:56 (UTC)
  • 02-02-2021 20:12:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5880, 13.2370 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 6 2657 2657
Montereale AQ 7 2581 5238
Cittareale RI 7 482 5720
Capitignano AQ 9 665 6385
Campotosto AQ 12 542 6927
Borbona RI 12 617 7544
Accumoli RI 12 667 8211
Posta RI 13 694 8905
Cagnano Amiterno AQ 14 1369 10274
Barete AQ 16 737 11011
Pizzoli AQ 17 4326 15337

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
78 Km NE of Tivoli (56533 inhabitants)
81 Km W of Chieti (51815 inhabitants)
81 Km W of Pescara (121014 inhabitants)
90 Km SE of Perugia (166134 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
99 Km NE of Roma (2864731 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 1.4 2021-02-02
19:12:56
42.5878 13.2367 14 2021-02-02
19:32:30
Sala Sismica INGV-Roma 86790811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-02 19:12:56 ± 0.1
Latitude 42.5878 ± 0.0054
Longitude 13.2367 ± 0.0061
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86790811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 510
Semi-minor axis of confidence ellipse (meter) 359
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
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) 80
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34624
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 86790811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-02 19:32:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2021-02-02T19:13:09.11 0.6 undecidable manual S 12 35.3424 98 0.21 47
IV.TERO.HHZ. 2021-02-02T19:13:07.33 0.6 undecidable manual S 83 30.2475 100 -0.23 48
IV.NRCA.HHZ. 2021-02-02T19:13:06.95 0.6 undecidable manual S 340 29.0487 100 -0.28 47
IV.MTRA.EHZ. 2021-02-02T19:13:05.36 0.6 undecidable manual S 35 22.8549 106 -0.27 48
IV.ARRO.EHZ. 2021-02-02T19:13:04.30 0.1 undecidable manual P 269 38.4282 97 -0.04 97
IV.FIAM.HHZ. 2021-02-02T19:13:04.31 3.0 negative manual Pn 0.35 0
IV.MMO1.EHZ. 2021-02-02T19:13:03.45 0.1 undecidable manual P 12 35.3424 98 -0.4 91
IV.NRCA.HHZ. 2021-02-02T19:13:03.25 0.6 undecidable manual P 340 29.0487 100 0.35 46
IV.TERO.HHZ. 2021-02-02T19:13:03.10 0.1 undecidable manual P 83 30.2475 100 0.02 99
IV.LNSS.HHZ. 2021-02-02T19:13:03.90 0.6 undecidable manual S 276 16.0728 117 -0.06 50
IV.CAMP.HHZ. 2021-02-02T19:13:03.52 0.6 undecidable manual S 112 15.2736 120 -0.22 49
IV.RM33.EHZ. 2021-02-02T19:13:02.19 0.6 undecidable manual S 192 8.88 140 -0.26 48
IV.MTRA.EHZ. 2021-02-02T19:13:02.02 0.1 undecidable manual P 35 22.8549 106 0.06 99
IV.SMA1.EHZ. 2021-02-02T19:13:02.56 0.6 undecidable manual S 60 9.3795 138 0.04 51
IV.LNSS.HHZ. 2021-02-02T19:13:01.15 0.1 positive manual P 276 16.0728 117 0.15 99
IV.CAMP.HHZ. 2021-02-02T19:13:01.01 0.1 undecidable manual P 112 15.2736 120 0.13 100
IV.T1299.HNZ. 2021-02-02T19:13:01.85 0.6 undecidable manual S 36 6.3936 150 -0.2 50
IV.MC2.EHZ. 2021-02-02T19:13:00.31 3.0 undecidable manual P 0
IV.RM33.EHZ. 2021-02-02T19:13:00.21 1.0 undecidable manual P 192 8.88 140 0.08 26
IV.SMA1.EHZ. 2021-02-02T19:13:00.46 0.1 undecidable manual P 60 9.3795 138 0.29 97
IV.T1299.HNZ. 2021-02-02T19:13:00.07 0.1 undecidable manual P 36 6.3936 150 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.2 0.00017621639999999998 0.1664 AML other m 2021-02-02T19:13:03.30
IV.SMA1.EHN. ML:1.4 0.00027188339999999997 0.256 AML other m 2021-02-02T19:13:02.85
IV.SMA1.EHE. ML:1.8 0.0007465 0.38 AML other m 2021-02-02T19:13:02.92
IV.RM33.EHE. ML:1.4 0.0002967424 0.1408 AML other m 2021-02-02T19:13:02.45
IV.LNSS.HHE. ML:1.6 0.0002825 0.2 AML other m 2021-02-02T19:13:04.17
IV.LNSS.HHN. ML:1.5 0.00023234115 0.1408 AML other m 2021-02-02T19:13:04.70
IV.MTRA.EHE. ML:1.3 0.000129104615 0.2048 AML other m 2021-02-02T19:13:05.95
IV.MTRA.EHN. ML:1.3 0.0001184062 0.2176 AML other m 2021-02-02T19:13:06.46
IV.TERO.HHN. ML:1.1 0.00006035385 0.0896 AML other m 2021-02-02T19:13:07.38
IV.TERO.HHE. ML:1.3 0.00009672469 0.1408 AML other m 2021-02-02T19:13:07.52
IV.RM33.HNE. ML:1.5 0.00030548175 0.1536 AML other m 2021-02-02T19:13:02.45
IV.RM33.HNN. ML:1.2 0.0001627209 0.0768 AML other m 2021-02-02T19:13:02.46
IV.LNSS.HNE. ML:1.6 0.00028863605 0.2048 AML other m 2021-02-02T19:13:04.18
IV.LNSS.HNN. ML:1.5 0.000231607835 0.1792 AML other m 2021-02-02T19:13:04.79
IV.MTRA.HNN. ML:1.5 0.00016878664999999998 0.2304 AML other m 2021-02-02T19:13:06.46
IV.TERO.HNE. ML:1.5 0.00013601546 0.128 AML other m 2021-02-02T19:13:07.53
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