Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 28-11-2021 and time 09:36:14 (Italy) in region 4 km SE Capitignano (AQ)

A magnitude ML 1.5 earthquake occured in region: 4 km SE Capitignano (AQ), on

  • 28-11-2021 08:36:14 (UTC)
  • 28-11-2021 09:36:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4880, 13.3320 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 5 665 665
Barete AQ 6 737 1402
Pizzoli AQ 6 4326 5728
Montereale AQ 8 2581 8309
Campotosto AQ 9 542 8851
Cagnano Amiterno AQ 9 1369 10220
Crognaleto TE 14 1297 11517
Scoppito AQ 14 3727 15244
L'Aquila AQ 16 69753 84997
Amatrice RI 16 2657 87654
Borbona RI 17 617 88271
Fano Adriano TE 18 296 88567
Pietracamela TE 19 271 88838
Posta RI 20 694 89532

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of L'Aquila (69753 inhabitants)
36 Km SW of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
70 Km W of Chieti (51815 inhabitants)
72 Km W of Pescara (121014 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
96 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 1.5 2021-11-28
08:36:14		 42.4878 13.332 14 2022-03-30
13:04:26		 Bollettino Sismico Italiano INGV 99322621
Reviewed
Rev100 		ML 1.5 2021-11-28
08:36:14		 42.4953 13.3338 14 2021-11-28
08:42:13		 Sala Sismica INGV-Roma 97896781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-28 08:36:14 ± 0.07
Latitude 42.4878 ± 0.0027
Longitude 13.3320 ± 0.0049
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99322621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 422
Semi-minor axis of confidence ellipse (meter) 128
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43617
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 99322621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-03 17:53:57

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 97896781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-28 08:42:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PP3.EHZ. 2021-11-28T08:36:36.47 3.0 undecidable manual Pg 6.82 0
IT.ORP.HGZ. 2021-11-28T08:36:33.46 3.0 undecidable manual Pn -0.09 0
IV.NRCA.HHZ. 2021-11-28T08:36:28.45 0.3 undecidable manual S 335 42.2244 95 0.1 72
IV.VAGA.HHZ. 2021-11-28T08:36:27.54 3.0 negative manual P 3.77 0
IV.MNTT.EHZ. 2021-11-28T08:36:24.34 3.0 positive manual P -1.01 0
IV.LNSS.HHZ. 2021-11-28T08:36:24.15 0.6 undecidable manual S 298 27.0507 100 -0.17 48
IV.TERO.HHZ. 2021-11-28T08:36:24.23 0.6 undecidable manual S 56 26.751 101 -0.02 49
IV.MTRA.EHZ. 2021-11-28T08:36:24.96 0.3 undecidable manual S 10 30.2475 99 -0.21 71
IV.T0110.HHN. 2021-11-28T08:36:23.47 0.1 undecidable manual P 128 46.3203 94 0.31 91
IV.MC2.EHZ. 2021-11-28T08:36:23.40 1.0 undecidable manual P 346 48.4182 94 -0.07 24
IV.GIGS.HHZ. 2021-11-28T08:36:22.33 0.3 undecidable manual S 101 20.0688 108 -0.18 72
IV.NRCA.HHZ. 2021-11-28T08:36:22.46 0.3 undecidable manual P 335 42.2244 95 -0.07 71
MN.AQU.HNZ. 2021-11-28T08:36:21.23 0.6 undecidable manual S 158 15.9729 116 -0.27 47
IV.SMA1.EHZ. 2021-11-28T08:36:21.66 0.6 undecidable manual S 1 15.7731 116 0.2 49
IV.TERO.HHZ. 2021-11-28T08:36:20.19 0.3 undecidable manual P 56 26.751 101 0.03 75
IV.MTRA.EHZ. 2021-11-28T08:36:20.56 0.3 undecidable manual P 10 30.2475 99 -0.13 72
IV.FIAM.HNN. 2021-11-28T08:36:20.56 0.3 undecidable manual P 216 30.0477 99 -0.1 72
IV.LNSS.HHZ. 2021-11-28T08:36:20.04 0.3 undecidable manual P 298 27.0507 100 -0.16 72
IV.GIGS.HHZ. 2021-11-28T08:36:19.05 0.3 undecidable manual P 101 20.0688 108 -0.11 73
IV.CAMP.HHN. 2021-11-28T08:36:19.83 0.3 undecidable manual S 50 8.2806 141 -0.04 75
MN.AQU.HNZ. 2021-11-28T08:36:18.95 0.3 undecidable manual P 158 15.9729 116 0.37 72
IV.SMA1.EHZ. 2021-11-28T08:36:18.69 0.1 undecidable manual P 1 15.7731 116 0.14 100
IV.CAMP.HHN. 2021-11-28T08:36:17.76 0.3 undecidable manual P 50 8.2806 141 0.13 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.6 0.000341 0.34 AML other m 2021-11-28T08:36:22.29
IV.SMA1.EHE. ML:1.8 0.0005435000000000001 0.4 AML other m 2021-11-28T08:36:22.14
IV.TERO.HNN. ML:1.5 0.00015951385 0.7232 AML other m 2021-11-28T08:36:22.51
IV.LNSS.HHN. ML:1.3 0.00010483836 0.1792 AML other m 2021-11-28T08:36:24.34
IV.MTRA.EHE. ML:1.7 0.0002295255 0.096 AML other m 2021-11-28T08:36:25.11
IV.MTRA.HNE. ML:1.8 0.00025349545 0.096 AML other m 2021-11-28T08:36:25.06
IV.LNSS.HHE. ML:1.5 0.0001465 0.14 AML other m 2021-11-28T08:36:25.05
IV.MTRA.HNN. ML:1.6 0.00017427700000000003 0.1472 AML other m 2021-11-28T08:36:25.37
IV.MTRA.EHN. ML:1.6 0.00016534925 0.1408 AML other m 2021-11-28T08:36:25.44
IV.TERO.HHN. ML:0.9 0.0000470421065 0.0832 AML other m 2021-11-28T08:36:25.82
IV.NRCA.HHN. ML:1.0 0.0000373316 0.1152 AML other m 2021-11-28T08:36:28.66
IV.NRCA.HHE. ML:1.4 0.00007274153 0.096 AML other m 2021-11-28T08:36:28.74
IV.LNSS.HNE. ML:1.5 0.0001747264 1.2704 AML other m 2021-11-28T08:36:31.67
IV.MC2.EHN. ML:1.3 0.000049523719999999996 0.2752 AML other m 2021-11-28T08:36:32.40
IV.LNSS.HNN. ML:1.8 0.00028610805 0.8608 AML other m 2021-11-28T08:36:35.23
IV.TERO.HHE. ML:1.5 0.00016143210000000002 0.3392 AML other m 2021-11-28T08:36:37.72
IV.TERO.HNE. ML:1.4 0.00012374454999999998 0.7232 AML other m 2021-11-28T08:36:41.19
IV.NRCA.HNE. ML:1.6 0.00012034795500000001 1.2448 AML other m 2021-11-28T08:36:45.27
IV.NRCA.HNN. ML:1.9 0.00024276165 0.7872 AML other m 2021-11-28T08:36:47.48
IV.MC2.EHE. ML:1.7 0.00011777255000000001 0.2976 AML other m 2021-11-28T08:36:57.34
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