Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 06-11-2021 and time 05:57:00 (UTC) in region 1 km S Capitignano (AQ)

A magnitude ML 0.8 earthquake occured in region: 1 km S Capitignano (AQ), on

  • 06-11-2021 05:57:00 (UTC)
  • 06-11-2021 06:57:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5120, 13.2990 at 14 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.

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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 1 665 665
Montereale AQ 5 2581 3246
Barete AQ 7 737 3983
Campotosto AQ 8 542 4525
Pizzoli AQ 8 4326 8851
Cagnano Amiterno AQ 8 1369 10220
Amatrice RI 13 2657 12877
Borbona RI 14 617 13494
Crognaleto TE 15 1297 14791
Scoppito AQ 16 3727 18518
Cittareale RI 16 482 19000
Posta RI 17 694 19694
L'Aquila AQ 20 69753 89447

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
74 Km W of Chieti (51815 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km W of Pescara (121014 inhabitants)
96 Km NE of Roma (2864731 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
100 Km SE of Perugia (166134 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 0.8 2021-11-06
05:57:00		 42.5117 13.2987 14 2022-03-30
13:04:30		 Bollettino Sismico Italiano INGV 99735461
Reviewed
Rev100 		ML 0.7 2021-11-06
05:57:00		 42.5553 13.3098 10 2021-11-06
06:11:48		 Sala Sismica INGV-Roma 97287991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-06 05:57:00 ± 0.34
Latitude 42.5117 ± 0.0162
Longitude 13.2987 ± 0.0098
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99735461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1450
Semi-minor axis of confidence ellipse (meter) 1174
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 168
Circular confidence region, given by single value of horizontal uncertainty (meter) 1450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25091
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 99735461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-13 10:47:08

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 97287991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-06 06:11:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GRAM.HHZ. 2021-11-06T05:58:29.39 3.0 undecidable manual Sn 4.93 0
IV.MSSA.HHZ. 2021-11-06T05:58:27.49 3.0 undecidable manual Sn -1.17 0
IV.MSSA.HHZ. 2021-11-06T05:58:01.70 3.0 negative manual Pg 18.440001 0
IV.TREG.EHZ. 2021-11-06T05:57:51.42 3.0 negative manual Pn 5.21 0
IV.ZEN8.EHZ. 2021-11-06T05:57:50.97 3.0 undecidable manual Pn 1.5 0
IV.ECTS.HHZ. 2021-11-06T05:57:47.14 3.0 undecidable manual Pn 1.17 0
IV.CSNT.HHZ. 2021-11-06T05:57:24.10 3.0 negative manual Pn 1.02 0
IV.TERO.HHZ. 2021-11-06T05:57:10.10 0.6 undecidable manual S 64 27.8499 99 -0.43 45
IV.LNSS.HHZ. 2021-11-06T05:57:09.30 0.6 undecidable manual S 296 23.3544 103 -0.07 48
IV.SMA1.EHZ. 2021-11-06T05:57:07.23 0.6 undecidable manual S 13 13.4754 122 0.32 47
IV.PAOL.HHZ. 2021-11-06T05:57:06.60 3.0 undecidable manual P -0.7 0
IV.TERO.HHZ. 2021-11-06T05:57:06.14 0.3 undecidable manual P 64 27.8499 99 -0.19 70
IV.RM33.EHZ. 2021-11-06T05:57:05.35 0.6 undecidable manual S 268 6.8931 146 -0.28 47
IV.LNSS.HHZ. 2021-11-06T05:57:05.59 0.1 positive manual P 296 23.3544 103 -0.07 95
IV.CAMP.HHZ. 2021-11-06T05:57:05.95 0.6 undecidable manual S 73 9.3795 136 -0.11 50
IV.CAMP.HHZ. 2021-11-06T05:57:04.19 0.3 undecidable manual P 73 9.3795 136 0.44 69
IV.SMA1.EHZ. 2021-11-06T05:57:04.47 0.3 undecidable manual P 13 13.4754 122 0.23 72
IV.RM33.EHZ. 2021-11-06T05:57:03.48 0.1 undecidable manual P 268 6.8931 146 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.8 0.0000779 0.9 AML other m 2021-11-06T05:57:05.89
IV.RM33.EHE. ML:0.7 0.00006085 0.94 AML other m 2021-11-06T05:57:06.64
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