Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 16-02-2020 and time 11:41:40 (UTC) in region 2 km N Barete (AQ)

A magnitude ML 1.2 earthquake occured in region: 2 km N Barete (AQ), on

  • 16-02-2020 11:41:40 (UTC)
  • 16-02-2020 12:41:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4690, 13.2890 at 20 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Barete AQ 2 737 737
Pizzoli AQ 4 4326 5063
Cagnano Amiterno AQ 5 1369 6432
Capitignano AQ 6 665 7097
Montereale AQ 7 2581 9678
Scoppito AQ 11 3727 13405
Campotosto AQ 12 542 13947
Borbona RI 14 617 14564
L'Aquila AQ 16 69753 84317
Posta RI 17 694 85011
Antrodoco RI 18 2588 87599
Crognaleto TE 18 1297 88896
Amatrice RI 18 2657 91553
Micigliano RI 19 127 91680
Cittareale RI 20 482 92162
Tornimparte AQ 20 3187 95349

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of L'Aquila (69753 inhabitants)
40 Km SW of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
70 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
72 Km SE of Foligno (57155 inhabitants)
73 Km W of Chieti (51815 inhabitants)
76 Km W of Pescara (121014 inhabitants)
92 Km NE of Roma (2864731 inhabitants)
97 Km NE of Velletri (53303 inhabitants)
97 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
Bulletin
Rev1000 		ML 1.2 2020-02-16
11:41:40		 42.4688 13.2888 21 2020-07-18
21:08:41		 Bollettino Sismico Italiano INGV 80499061
Reviewed
Rev100 		ML 1.2 2020-02-16
11:41:40		 42.4715 13.2833 21 2020-02-16
11:52:51		 Sala Sismica INGV-Roma 76565001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-16 11:41:40 ± 0.13
Latitude 42.4688 ± 0.0072
Longitude 13.2888 ± 0.0073
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80499061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 677
Semi-minor axis of confidence ellipse (meter) 545
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 181
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 212
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38671
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 80499061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-25 15:46:52

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 76565001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-16 11:52:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CORL.HHZ. 2020-02-16T11:43:45.07 3.0 undecidable manual Sn -2.86 0
IX.MNT3.HHZ.02 2020-02-16T11:42:56.75 3.0 undecidable manual Sg 10.32 0
MN.CEL.HHZ. 2020-02-16T11:42:55.40 3.0 negative manual Pn 1.92 0
IV.CET2.HHZ. 2020-02-16T11:42:47.44 3.0 undecidable manual Pg 9.07 0
IV.IST3.HHZ. 2020-02-16T11:42:46.77 3.0 positive manual Pn 2.83 0
IV.IFOR.HHZ. 2020-02-16T11:42:45.33 3.0 undecidable manual Sg 4.82 0
NI.VINO.HHZ. 2020-02-16T11:42:34.41 3.0 negative manual Pn -0.6 0
CR.STON.BHZ. 2020-02-16T11:42:32.08 3.0 negative manual Pn 0.5 0
IV.NDIM.HNZ. 2020-02-16T11:42:25.76 3.0 negative manual Pn 1.53 0
IV.ROSPO.HHZ. 2020-02-16T11:42:21.43 3.0 undecidable manual Sn -1.74 0
IV.VBKN.HHZ. 2020-02-16T11:42:14.07 3.0 positive manual Pn -0.91 0
IV.COR1.EHZ. 2020-02-16T11:41:57.02 3.0 undecidable manual P -2.24 0
IV.NRCA.HHZ. 2020-02-16T11:41:55.33 0.6 undecidable manual S 341 42.9237 107 0.17 48
IV.TERO.HHZ. 2020-02-16T11:41:52.09 0.6 undecidable manual S 56 30.9468 115 -0.07 49
IV.MTRA.EHZ. 2020-02-16T11:41:52.47 0.6 undecidable manual S 15 33.1446 113 -0.23 47
IV.LNSS.HHZ. 2020-02-16T11:41:50.56 0.6 undecidable manual S 306 25.1526 121 -0.25 48
IV.GIGS.HHE. 2020-02-16T11:41:50.42 0.3 undecidable manual S 94 23.3544 124 0.03 75
IV.SMA1.EHZ. 2020-02-16T11:41:49.36 0.6 undecidable manual S 12 18.3705 132 0.02 51
IV.NRCA.HHZ. 2020-02-16T11:41:48.94 0.1 undecidable manual P 341 42.9237 107 -0.18 94
IV.CAMP.HHZ. 2020-02-16T11:41:48.05 0.6 undecidable manual S 53 12.2766 144 -0.21 50
IV.TERO.HHZ. 2020-02-16T11:41:47.55 0.1 undecidable manual P 56 30.9468 115 0.16 97
IV.MTRA.EHZ. 2020-02-16T11:41:47.70 0.1 undecidable manual P 15 33.1446 113 0 100
IV.LNSS.HHZ. 2020-02-16T11:41:46.66 0.1 negative manual P 306 25.1526 121 0.05 100
IV.GIGS.HHE. 2020-02-16T11:41:45.98 0.3 undecidable manual P 94 23.3544 124 -0.39 71
IV.SMA1.EHZ. 2020-02-16T11:41:45.96 0.1 undecidable manual P 12 18.3705 132 0.2 98
IV.CAMP.HHZ. 2020-02-16T11:41:45.32 0.1 undecidable manual P 53 12.2766 144 0.19 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.6 0.000215 0.18 AML other m 2020-02-16T11:41:49.67
IV.SMA1.EHN. ML:1.2 0.00009075 0.12 AML other m 2020-02-16T11:41:49.85
IV.LNSS.HHE. ML:1.1 0.000059 0.12 AML other m 2020-02-16T11:41:51.07
IV.LNSS.HHN. ML:1.1 0.0000576 0.98 AML other m 2020-02-16T11:41:52.74
IV.RM33.EHE. ML:1.2 0.0001245 0.24 AML other m 2020-02-16T11:41:53.11
IV.RM33.EHN. ML:1.2 0.0001175 0.2 AML other m 2020-02-16T11:41:53.36
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