Earthquake with magnitude of ML 1.2 on date 08-12-2021 and time 16:52:57 (UTC) in region 4 km NE Barete (AQ)

A magnitude ML 1.2 earthquake occured in region: 4 km NE Barete (AQ), on

  • 08-12-2021 16:52:57 (UTC)
  • 08-12-2021 17:52:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4740, 13.3240 at 11 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
Barete AQ 4 737 737
Pizzoli AQ 5 4326 5063
Capitignano AQ 6 665 5728
Cagnano Amiterno AQ 8 1369 7097
Montereale AQ 9 2581 9678
Campotosto AQ 10 542 10220
Scoppito AQ 13 3727 13947
L'Aquila AQ 15 69753 83700
Crognaleto TE 15 1297 84997
Borbona RI 16 617 85614
Amatrice RI 18 2657 88271
Posta RI 19 694 88965
Fano Adriano TE 20 296 89261
Pietracamela TE 20 271 89532

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of L'Aquila (69753 inhabitants)
38 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)
71 Km NE of Tivoli (56533 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km W of Pescara (121014 inhabitants)
74 Km SE of Foligno (57155 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
98 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
Reviewed
Rev100
ML 1.2 2021-12-08
16:52:57
42.4742 13.3237 11 2021-12-08
17:06:45
Sala Sismica INGV-Roma 98308991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-08 16:52:57 ± 0.08
Latitude 42.4742 ± 0.0045
Longitude 13.3237 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 98308991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 509
Semi-minor axis of confidence ellipse (meter) 142
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
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) 83
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 13
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28329
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 98308991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-08 17:06:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ERC.EHZ. 2021-12-08T16:54:19.15 3.0 undecidable manual Pg 15.58 0
IV.GIZZ.HHZ. 2021-12-08T16:54:10.12 3.0 negative manual Pg 10.64 0
IV.TST01.HHZ. 2021-12-08T16:54:07.95 3.0 undecidable manual Sg 5.39 0
IV.ECTS.HHZ. 2021-12-08T16:54:04.19 3.0 undecidable manual Pn -5.56 0
AC.VLO.HHZ. 2021-12-08T16:54:01.54 3.0 undecidable manual Pn -1.36 0
IV.SAMA.EHZ. 2021-12-08T16:54:01.68 3.0 undecidable manual Sg 7.5 0
IX.SFL3.HNZ.01 2021-12-08T16:53:45.71 3.0 undecidable manual Pg 11.49 0
IV.AGLI.HHZ. 2021-12-08T16:53:44.56 3.0 undecidable manual Pg 14.87 0
IX.SNR3.EHZ.02 2021-12-08T16:53:38.91 3.0 undecidable manual Pg 5.81 0
IV.CELB.HHZ. 2021-12-08T16:53:38.69 3.0 undecidable manual Sn -2.74 0
IX.COL3.HHZ.02 2021-12-08T16:53:26.92 3.0 negative manual Pn -7.39 0
IV.MRB1.HHZ. 2021-12-08T16:53:21.30 3.0 undecidable manual Pn -6 0
IV.RCAV.EHZ. 2021-12-08T16:53:12.96 3.0 undecidable manual Pg 1.23 0
IV.FAGN.HHZ. 2021-12-08T16:53:10.53 3.0 undecidable manual S 137 31.4463 50 1.83 0
IV.FIAM.HHZ. 2021-12-08T16:53:07.99 0.3 undecidable manual S 217 28.4493 50 0.08 72
IV.LNSS.HHZ. 2021-12-08T16:53:07.45 0.1 undecidable manual S 302 27.2505 50 -0.12 98
IV.TERO.HHZ. 2021-12-08T16:53:07.43 0.3 undecidable manual S 54 28.2495 50 -0.41 68
IV.SMA1.EHZ. 2021-12-08T16:53:05.19 0.1 undecidable manual S 3 17.3715 122 0.29 93
IV.FAGN.HHZ. 2021-12-08T16:53:04.10 0.3 undecidable manual P 137 31.4463 50 0 73
IV.LNSS.HHZ. 2021-12-08T16:53:03.26 0.6 undecidable manual P 302 27.2505 50 -0.18 48
IV.CAMP.HHZ. 2021-12-08T16:53:03.02 0.1 undecidable manual S 46 9.7791 138 0.16 99
IV.TERO.HHZ. 2021-12-08T16:53:03.38 0.1 negative manual P 54 28.2495 50 -0.22 94
IV.FIAM.HHZ. 2021-12-08T16:53:03.60 0.3 undecidable manual P 217 28.4493 50 -0.03 73
IV.RM33.EHZ. 2021-12-08T16:53:02.66 0.1 undecidable manual S 293 9.6792 138 -0.19 96
OX.SABO.HNZ. 2021-12-08T16:53:02.24 3.0 undecidable manual S -0.51 0
IT.FIE.HGZ. 2021-12-08T16:53:02.64 3.0 undecidable manual S -6.65 0
IV.SMA1.EHZ. 2021-12-08T16:53:01.91 0.3 positive manual P 3 17.3715 122 0.01 74
IV.RM33.EHZ. 2021-12-08T16:53:00.80 0.1 undecidable manual P 293 9.6792 138 0.08 100
IV.CAMP.HHZ. 2021-12-08T16:53:00.99 0.1 positive manual P 46 9.7791 138 0.26 97
IV.CPGN.EHZ. 2021-12-08T16:52:55.40 3.0 undecidable manual S -9.31 0
IV.FIR.HHZ. 2021-12-08T16:52:47.36 3.0 undecidable manual P -0.3 0
IT.FIE.HGZ. 2021-12-08T16:52:47.04 3.0 positive manual P -0.04 0
IV.SEI.HHZ. 2021-12-08T16:52:45.97 3.0 undecidable manual P 2.13 0
IV.COR1.EHZ. 2021-12-08T16:52:43.87 3.0 negative manual P -4 0
IV.APEC.HHZ. 2021-12-08T16:52:40.73 3.0 negative manual P -7.13 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.3 0.00022399999999999997 0.1 AML other m 2021-12-08T16:53:03.47
IV.RM33.EHN. ML:1.0 0.000136 0.62 AML other m 2021-12-08T16:53:03.26
IV.SMA1.EHE. ML:1.8 0.000491 0.38 AML other m 2021-12-08T16:53:05.36
IV.SMA1.EHN. ML:1.3 0.00017549999999999998 0.42 AML other m 2021-12-08T16:53:06.51
IV.FAGN.HHN. ML:1.3 0.00009329999999999999 0.56 AML other m 2021-12-08T16:53:13.76
IV.FAGN.HHE. ML:1.4 0.0001145 1.1 AML other m 2021-12-08T16:53:13.82
IV.FIAM.HHN. ML:0.8 0.0000369 0.42 AML other m 2021-12-08T16:53:55.45
IV.FIAM.HHE. ML:0.8 0.000035000000000000004 0.42 AML other m 2021-12-08T16:54:19.71
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download