Earthquake with magnitude of ML 1.0 on date 08-12-2021 and time 18:07:58 (Italy) in region 4 km E Barete (AQ)

A magnitude ML 1.0 earthquake occured in region: 4 km E Barete (AQ), on

  • 08-12-2021 17:07:58 (UTC)
  • 08-12-2021 18:07:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4650, 13.3230 at 13 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
Barete AQ 4 737 737
Pizzoli AQ 4 4326 5063
Capitignano AQ 7 665 5728
Cagnano Amiterno AQ 8 1369 7097
Montereale AQ 9 2581 9678
Campotosto AQ 11 542 10220
Scoppito AQ 12 3727 13947
L'Aquila AQ 14 69753 83700
Crognaleto TE 16 1297 84997
Borbona RI 17 617 85614
Amatrice RI 19 2657 88271
Lucoli AQ 19 1011 89282
Tornimparte AQ 19 3187 92469
Posta RI 20 694 93163

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 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)
70 Km NE of Tivoli (56533 inhabitants)
71 Km W of Chieti (51815 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km W of Pescara (121014 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
97 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 1.0 2021-12-08
17:07:58
42.4647 13.323 13 2022-03-30
13:04:36
Bollettino Sismico Italiano INGV 100868641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-08 17:07:58 ± 0.1
Latitude 42.4647 ± 0.0045
Longitude 13.3230 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100868641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 466
Semi-minor axis of confidence ellipse (meter) 122
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 351
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39930
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 100868641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-11 11:04:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-12-08T17:08:21.49 3.0 undecidable manual S 0.08 0
IV.RCAV.EHZ. 2021-12-08T17:08:15.91 3.0 undecidable manual P 0.08 0
IV.NRCA.HHZ. 2021-12-08T17:08:12.69 0.3 undecidable manual S 337 44.3223 93 -0.12 70
IV.FIAM.HNN. 2021-12-08T17:08:08.26 0.6 undecidable manual S 218 27.5502 96 -0.1 49
IV.TERO.HHZ. 2021-12-08T17:08:08.29 0.3 undecidable manual S 53 28.8489 96 -0.42 68
IV.LNSS.HHZ. 2021-12-08T17:08:08.32 0.3 undecidable manual S 304 27.75 96 -0.08 73
IV.NRCA.HHZ. 2021-12-08T17:08:06.66 0.1 undecidable manual P 337 44.3223 93 -0.11 94
IV.SMA1.EHZ. 2021-12-08T17:08:06.08 0.3 undecidable manual S 3 18.3705 105 0.13 75
IV.GIGS.HHZ. 2021-12-08T17:08:06.45 0.3 undecidable manual S 94 20.4684 101 -0.04 75
IV.TERO.HHZ. 2021-12-08T17:08:04.45 0.1 undecidable manual P 53 28.8489 96 0.05 100
IV.LNSS.HHZ. 2021-12-08T17:08:04.28 0.1 undecidable manual P 304 27.75 96 0.06 100
MN.AQU.HHZ. 2021-12-08T17:08:04.60 0.6 undecidable manual S 151 13.9749 115 -0.24 49
IV.FIAM.HNN. 2021-12-08T17:08:04.85 1.0 undecidable manual P 218 27.5502 96 0.65 21
IV.RM33.EHZ. 2021-12-08T17:08:03.74 0.3 undecidable manual S 299 10.1787 129 -0.23 74
IV.CAMP.HHZ. 2021-12-08T17:08:03.95 0.6 undecidable manual S 42 10.5783 128 -0.11 51
IV.GIGS.HHZ. 2021-12-08T17:08:03.41 0.1 undecidable manual P 94 20.4684 101 0.29 96
IV.CAMP.HHZ. 2021-12-08T17:08:02.03 0.1 undecidable manual P 42 10.5783 128 0.31 97
IV.SMA1.EHZ. 2021-12-08T17:08:02.93 0.1 undecidable manual P 3 18.3705 105 0.12 100
IV.RM33.EHZ. 2021-12-08T17:08:01.83 0.1 undecidable manual P 299 10.1787 129 0.16 100
MN.AQU.HHZ. 2021-12-08T17:08:01.90 0.6 undecidable manual P 151 13.9749 115 -0.27 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.0 0.0001205 0.1 AML other m 2021-12-08T17:08:03.77
IV.RM33.EHE. ML:1.1 0.0001452004 0.128 AML other m 2021-12-08T17:08:04.53
IV.RM33.HNE. ML:1.1 0.00014999075 0.1152 AML other m 2021-12-08T17:08:04.59
IV.RM33.HNN. ML:1.1 0.000131584395 0.1024 AML other m 2021-12-08T17:08:03.77
IV.SMA1.EHE. ML:1.4 0.000179001405 0.2304 AML other m 2021-12-08T17:08:06.44
IV.SMA1.EHN. ML:1.0 0.000082095785 0.2816 AML other m 2021-12-08T17:08:06.44
IV.TERO.HHN. ML:0.7 0.000023108045 0.0896 AML other m 2021-12-08T17:08:09.34
IV.TERO.HNE. ML:0.9 0.000040896695 0.128 AML other m 2021-12-08T17:08:09.58
IV.TERO.HNN. ML:0.9 0.000034435585 0.0768 AML other m 2021-12-08T17:08:09.30
IV.TERO.HHE. ML:1.0 0.0000471083255 0.192 AML other m 2021-12-08T17:08:09.13
IV.NRCA.HHN. ML:0.9 0.00002351103 0.1152 AML other m 2021-12-08T17:08:13.70
IV.NRCA.HNE. ML:1.1 0.0000338965165 0.1152 AML other m 2021-12-08T17:08:13.57
IV.NRCA.HHE. ML:1.2 0.00004435542 0.1024 AML other m 2021-12-08T17:08:13.62
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