Earthquake with magnitude of ML 1.3 on date 29-12-2021 and time 18:28:18 (Italy) in region 7 km SE Capitignano (AQ)

A magnitude ML 1.3 earthquake occured in region: 7 km SE Capitignano (AQ), on

  • 29-12-2021 17:28:18 (UTC)
  • 29-12-2021 18:28:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4820, 13.3710 at 15 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
Capitignano AQ 7 665 665
Pizzoli AQ 8 4326 4991
Barete AQ 8 737 5728
Campotosto AQ 9 542 6270
Montereale AQ 11 2581 8851
Crognaleto TE 12 1297 10148
Cagnano Amiterno AQ 12 1369 11517
L'Aquila AQ 15 69753 81270
Scoppito AQ 15 3727 84997
Fano Adriano TE 16 296 85293
Pietracamela TE 16 271 85564
Amatrice RI 18 2657 88221
Cortino TE 19 656 88877
Borbona RI 20 617 89494

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km N of L'Aquila (69753 inhabitants)
34 Km SW of Teramo (54892 inhabitants)
60 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
67 Km W of Chieti (51815 inhabitants)
69 Km W of Pescara (121014 inhabitants)
74 Km NE of Tivoli (56533 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
76 Km SE of Foligno (57155 inhabitants)
98 Km NE of Roma (2864731 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 1.3 2021-12-29
17:28:18
42.482 13.3712 15 2021-12-29
17:38:46
Sala Sismica INGV-Roma 99120181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-29 17:28:18 ± 0.12
Latitude 42.4820 ± 0.0054
Longitude 13.3712 ± 0.0049
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99120181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 435
Semi-minor axis of confidence ellipse (meter) 433
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 166
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 232
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39840
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 99120181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-29 17:38:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.VINO.HHZ. 2021-12-29T17:30:09.88 3.0 undecidable manual Sg 8.22 0
IV.ZEN8.EHZ. 2021-12-29T17:30:06.77 3.0 undecidable manual Sg 7.54 0
IV.VOBA.EHZ. 2021-12-29T17:30:04.83 3.0 undecidable manual Sn 3.37 0
IV.AGLI.HHZ. 2021-12-29T17:29:52.60 3.0 undecidable manual Sn 0.33 0
IV.ESCV.HHZ. 2021-12-29T17:29:46.36 3.0 undecidable manual Pg 15.17 0
IV.PTRP.HHZ. 2021-12-29T17:29:41.43 3.0 undecidable manual Sn 3.16 0
AC.VLO.HHZ. 2021-12-29T17:29:36.84 3.0 undecidable manual Pn 3.05 0
IV.BDI.HHZ. 2021-12-29T17:29:36.20 3.0 undecidable manual Sg 4.36 0
IX.SCL3.EHZ.02 2021-12-29T17:29:27.80 3.0 undecidable manual Sn -0.34 0
IV.TDS.HHZ. 2021-12-29T17:29:24.36 3.0 undecidable manual Pg 10.25 0
IX.SSB3.HHZ.02 2021-12-29T17:29:19.24 3.0 undecidable manual Sg 1.51 0
MN.TRI.HHZ. 2021-12-29T17:29:05.23 3.0 positive manual Pn -3.95 0
IV.IMOL.HNZ. 2021-12-29T17:28:56.75 3.0 undecidable manual Pn 1.73 0
IV.TST01.HHZ. 2021-12-29T17:28:52.27 3.0 undecidable manual S -2.96 0
IV.VIVA.HHZ. 2021-12-29T17:28:34.55 3.0 positive manual P -0.62 0
IV.NRCA.HHZ. 2021-12-29T17:28:32.49 0.6 undecidable manual S 332 44.2224 97 -0.02 48
IV.LNSS.HHZ. 2021-12-29T17:28:28.78 0.6 undecidable manual S 296 30.1476 102 -0.02 49
IV.TERO.HHZ. 2021-12-29T17:28:27.11 0.6 undecidable manual S 51 24.6531 107 -0.25 48
IV.NRCA.HHZ. 2021-12-29T17:28:26.34 0.1 negative manual P 332 44.2224 97 -0.11 95
IV.SMA1.EHZ. 2021-12-29T17:28:25.50 0.6 undecidable manual S 350 16.7721 120 0.08 50
IV.RM33.EHZ. 2021-12-29T17:28:24.49 0.6 undecidable manual S 283 13.1757 129 -0.14 49
IV.LNSS.HHZ. 2021-12-29T17:28:24.32 0.3 undecidable manual P 296 30.1476 102 0.01 74
IV.CAMP.HHZ. 2021-12-29T17:28:23.43 0.6 undecidable manual S 27 6.6933 150 -0.08 51
IV.TERO.HHZ. 2021-12-29T17:28:23.42 0.6 undecidable manual P 51 24.6531 107 -0.05 50
IV.RM33.EHZ. 2021-12-29T17:28:22.00 0.3 undecidable manual P 283 13.1757 129 0.1 76
IV.SMA1.EHZ. 2021-12-29T17:28:22.48 0.6 negative manual P 350 16.7721 120 0.12 49
IV.CAMP.HHZ. 2021-12-29T17:28:21.43 0.1 positive manual P 27 6.6933 150 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.0 0.0000712 0.68 AML other m 2021-12-29T17:28:25.71
IV.SMA1.EHN. ML:1.0 0.00008105 0.36 AML other m 2021-12-29T17:28:26.64
IV.TERO.HHN. ML:1.2 0.00009495 0.18 AML other m 2021-12-29T17:28:27.37
IV.LNSS.HHE. ML:1.2 0.00007685 0.9 AML other m 2021-12-29T17:28:29.15
IV.LNSS.HHN. ML:1.2 0.00006715 0.16 AML other m 2021-12-29T17:28:29.17
IV.NRCA.HHE. ML:1.6 0.00011660000000000002 0.16 AML other m 2021-12-29T17:28:32.75
IV.NRCA.HHN. ML:1.3 0.00005305 1.04 AML other m 2021-12-29T17:28:32.92
IV.TERO.HHE. ML:1.5 0.0001795 1.58 AML other m 2021-12-29T17:28:35.98
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