Earthquake with magnitude of ML 1.1 on date 11-12-2020 and time 13:18:49 (UTC) in region 4 km SE Capitignano (AQ)

A magnitude ML 1.1 earthquake occured in region: 4 km SE Capitignano (AQ), on

  • 11-12-2020 13:18:49 (UTC)
  • 11-12-2020 14:18:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.486, 13.322 at 16 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Capitignano AQ 4 665 665
Barete AQ 5 737 1402
Pizzoli AQ 6 4326 5728
Montereale AQ 8 2581 8309
Cagnano Amiterno AQ 8 1369 9678
Campotosto AQ 9 542 10220
Scoppito AQ 14 3727 13947
Crognaleto TE 15 1297 15244
Borbona RI 16 617 15861
L'Aquila AQ 16 69753 85614
Amatrice RI 16 2657 88271
Posta RI 19 694 88965
Fano Adriano TE 19 296 89261
Pietracamela TE 20 271 89532
Cittareale RI 20 482 90014

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of L'Aquila (69753 inhabitants)
37 Km SW of Teramo (54892 inhabitants)
56 Km E of Terni (111501 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
71 Km W of Chieti (51815 inhabitants)
72 Km NE of Tivoli (56533 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km W of Pescara (121014 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
100 Km NE of Velletri (53303 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 1.1 2020-12-11
13:18:49
42.4858 13.3217 17 2021-02-26
14:56:17
Bollettino Sismico Italiano INGV 86831371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-11 13:18:49 ± 0.12
Latitude 42.4858 ± 0.0081
Longitude 13.3217 ± 0.0073
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86831371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 989
Semi-minor axis of confidence ellipse (meter) 182
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 209
Circular confidence region, given by single value of horizontal uncertainty (meter) 990
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 200
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) 0.12
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.37951
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 86831371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-04 15:30:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
XK.GIZZ.HHZ. 2020-12-11T13:20:40.78 3.0 undecidable manual Sn 0.06 0
GU.GRAM.HHZ. 2020-12-11T13:20:27.67 3.0 undecidable manual Sg 13.67 0
CR.STON.BHZ. 2020-12-11T13:20:17.74 3.0 undecidable manual Sn 0.73 0
IV.PETRA.HHZ. 2020-12-11T13:20:17.25 3.0 negative manual Pg 17.07 0
IV.VENL.HNZ. 2020-12-11T13:20:09.85 3.0 undecidable manual Sn -0.76 0
IV.TDS.HHZ. 2020-12-11T13:19:58.21 3.0 undecidable manual Pg 13.01 0
IT.FIE.HGZ. 2020-12-11T13:19:48.17 3.0 undecidable manual Sn 1.49 0
IX.STN3.HHZ.02 2020-12-11T13:19:38.80 3.0 positive manual Pg 7.45 0
IV.PTRJ.HNZ. 2020-12-11T13:19:35.27 3.0 undecidable manual Sg 0.55 0
IV.LPEL.HHZ. 2020-12-11T13:19:18.03 3.0 undecidable manual S -0.01 0
IV.PTRJ.HHZ. 2020-12-11T13:19:14.18 3.0 undecidable manual Pn -0.97 0
IV.NRCA.HHZ. 2020-12-11T13:19:03.80 0.6 undecidable manual S 336 0.3795 100 -0.01 48
IV.TRE1.HNZ. 2020-12-11T13:19:03.26 3.0 undecidable manual P -1.96 0
IV.LNSS.HHZ. 2020-12-11T13:18:59.54 0.6 undecidable manual S 300 0.2383 110 -0.21 48
IV.TERO.HHZ. 2020-12-11T13:18:59.95 0.3 undecidable manual S 57 0.2491 109 -0.11 73
IV.GIGS.HHN. 2020-12-11T13:18:58.29 0.6 undecidable manual S 100 0.188 117 -0.1 49
IV.T1299.HNN. 2020-12-11T13:18:57.48 0.6 undecidable manual S 349 0.1511 125 0.02 50
IV.SMA1.EHZ. 2020-12-11T13:18:57.56 0.6 undecidable manual S 4 0.1448 126 0.25 48
IV.NRCA.HHZ. 2020-12-11T13:18:57.82 0.3 undecidable manual P 336 0.3795 100 -0.15 70
IV.TERO.HHZ. 2020-12-11T13:18:55.74 0.3 undecidable manual P 57 0.2491 109 -0.06 73
IV.CAMP.HHE. 2020-12-11T13:18:55.85 0.6 undecidable manual S 52 0.0818 146 -0.14 50
IV.LNSS.HHZ. 2020-12-11T13:18:55.56 0.1 undecidable manual P 300 0.2383 110 -0.06 98
IV.T1299.HNN. 2020-12-11T13:18:54.42 0.1 undecidable manual P 349 0.1511 125 0.12 98
IV.SMA1.EHZ. 2020-12-11T13:18:54.33 0.1 positive manual P 4 0.1448 126 0.12 98
IV.GIGS.HHN. 2020-12-11T13:18:54.95 0.3 undecidable manual P 100 0.188 117 0.11 73
IV.CAMP.HHE. 2020-12-11T13:18:53.53 0.1 undecidable manual P 52 0.0818 146 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.2 7.19E-5 1.48 AML other m 2020-12-11T13:19:00.78
IV.LNSS.HHN. ML:0.9 4.185E-5 1.14 AML other m 2020-12-11T13:19:00.88
IV.NRCA.HHE. ML:1.3 5.51E-5 0.1 AML other m 2020-12-11T13:19:04.25
IV.NRCA.HHN. ML:1.1 3.53E-5 1.46 AML other m 2020-12-11T13:19:05.19
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