Earthquake with magnitude of ML 1.4 on date 13-04-2021 and time 15:16:35 (UTC) in region 6 km S Isola del Gran Sasso d'Italia (TE)

A magnitude ML 1.4 earthquake occured in region: 6 km S Isola del Gran Sasso d'Italia (TE), on

  • 13-04-2021 15:16:35 (UTC)
  • 13-04-2021 17:16:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.452, 13.652 at 16 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
Isola del Gran Sasso d'Italia TE 6 4773 4773
Castelli TE 7 1159 5932
Colledara TE 10 2179 8111
Tossicia TE 11 1406 9517
Pietracamela TE 11 271 9788
Castel del Monte AQ 11 413 10201
Castel Castagna TE 12 500 10701
Santo Stefano di Sessanio AQ 12 111 10812
Arsita TE 13 829 11641
Farindola PE 14 1518 13159
Calascio AQ 14 137 13296
Fano Adriano TE 15 296 13592
Montorio al Vomano TE 15 8218 21810
Barisciano AQ 15 1828 23638
Bisenti TE 15 1952 25590
Castelvecchio Calvisio AQ 16 153 25743
Ofena AQ 16 506 26249
Villa Santa Lucia degli Abruzzi AQ 17 123 26372
Poggio Picenze AQ 17 1136 27508
Carapelle Calvisio AQ 17 87 27595
Basciano TE 18 2434 30029
Crognaleto TE 18 1297 31326
Montebello di Bertona PE 18 991 32317
San Pio delle Camere AQ 18 661 32978
Penna Sant'Andrea TE 19 1698 34676
Villa Celiera PE 19 681 35357
Cermignano TE 19 1649 37006
Prata d'Ansidonia AQ 20 496 37502
San Demetrio ne' Vestini AQ 20 1854 39356

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km S of Teramo (54892 inhabitants)
24 Km E of L'Aquila (69753 inhabitants)
41 Km W of Montesilvano (53738 inhabitants)
44 Km W of Chieti (51815 inhabitants)
46 Km W of Pescara (121014 inhabitants)
83 Km E of Terni (111501 inhabitants)
89 Km NE of Tivoli (56533 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SE of Foligno (57155 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 1.4 2021-04-13
15:16:35
42.4523 13.6522 16 2021-07-12
16:55:15
Bollettino Sismico Italiano INGV 91330011
Reviewed
Rev100
ML 1.4 2021-04-13
15:16:36
42.4492 13.6362 11 2021-04-13
15:22:27
Sala Sismica INGV-Roma 89062051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-13 15:16:35 ± 0.09
Latitude 42.4523 ± 0.0054
Longitude 13.6522 ± 0.0073
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91330011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 732
Semi-minor axis of confidence ellipse (meter) 370
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 730
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.57107
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 91330011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-15 12:47:11

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 89062051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-13 15:22:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ZONE.HHZ. 2021-04-13T15:18:27.99 3.0 undecidable manual Sn 4.01 0
IV.MSSA.HHZ. 2021-04-13T15:18:11.74 3.0 undecidable manual Sn 3.12 0
IV.CELI.HHZ. 2021-04-13T15:17:46.03 3.0 undecidable manual Pg 15.91 0
ST.OZOL.EHZ. 2021-04-13T15:17:45.23 3.0 undecidable manual Pn 6.54 0
IV.CAGR.HHZ. 2021-04-13T15:17:44.23 3.0 undecidable manual Pn -1.45 0
IV.EUCT.HNZ. 2021-04-13T15:17:42.79 3.0 positive manual Pn 5.36 0
IV.ESCV.HHZ. 2021-04-13T15:17:42.72 3.0 positive manual Pn -1.8 0
IV.SARZ.HHZ. 2021-04-13T15:17:40.75 3.0 negative manual Pn 4.27 0
IV.BRSN.EHZ. 2021-04-13T15:17:34.16 3.0 undecidable manual Sn -0.55 0
IV.ZEN8.EHZ. 2021-04-13T15:17:30.31 3.0 undecidable manual Pn -0.85 0
IV.PZUN.HHZ. 2021-04-13T15:17:21.35 3.0 undecidable manual Pg 9.27 0
IV.MC2.EHZ. 2021-04-13T15:16:56.44 0.6 undecidable manual S 324 0.5711 96 0.99 34
IV.NRCA.HHZ. 2021-04-13T15:16:55.15 0.3 undecidable manual S 314 0.5495 96 0.35 65
IV.MMUR.HNZ. 2021-04-13T15:16:54.02 3.0 undecidable manual P 0.17 0
IV.MTRA.EHE. 2021-04-13T15:16:49.21 0.6 undecidable manual S 328 0.3579 101 0.03 48
IV.T1299.HNN. 2021-04-13T15:16:48.46 0.6 undecidable manual S 304 0.3274 102 0.16 47
IV.RM33.HNE. 2021-04-13T15:16:48.52 0.3 undecidable manual S 280 0.3274 102 0.21 69
IV.MC2.EHZ. 2021-04-13T15:16:47.22 0.3 undecidable manual P 324 0.5711 96 -0.01 69
IV.SMA1.EHZ. 2021-04-13T15:16:47.44 0.3 undecidable manual S 307 0.2932 104 0.12 71
IV.T0110.HHZ. 2021-04-13T15:16:46.08 0.3 undecidable manual S 158 0.241 109 0.25 70
IV.NRCA.HHZ. 2021-04-13T15:16:46.78 0.1 undecidable manual P 314 0.5495 96 -0.07 91
IV.CAMP.HHE. 2021-04-13T15:16:44.66 0.6 undecidable manual S 295 0.1979 115 0.02 49
IV.FAGN.HHZ. 2021-04-13T15:16:44.51 0.3 undecidable manual S 195 0.1934 116 -0.01 74
IV.VCEL.EHZ. 2021-04-13T15:16:43.57 0.6 undecidable manual S 113 0.1502 124 0.15 49
IV.T1299.HNN. 2021-04-13T15:16:43.03 0.1 undecidable manual P 304 0.3274 102 -0.07 95
IV.TERO.HHZ. 2021-04-13T15:16:43.96 0.6 undecidable manual S 348 0.1736 119 -0.05 49
IV.MTRA.EHE. 2021-04-13T15:16:43.27 0.1 undecidable manual P 328 0.3579 101 -0.34 89
IV.RM33.HNE. 2021-04-13T15:16:42.83 0.3 undecidable manual P 280 0.3274 102 -0.28 69
IV.SMA1.EHZ. 2021-04-13T15:16:42.36 0.1 undecidable manual P 307 0.2932 104 -0.18 94
IV.T0110.HHZ. 2021-04-13T15:16:41.62 0.1 positive manual P 158 0.241 109 -0.05 97
IV.GIGS.HHN. 2021-04-13T15:16:41.38 0.3 undecidable manual S 271 0.0585 154 -0.23 72
IV.CAMP.HHE. 2021-04-13T15:16:41.01 0.1 undecidable manual P 295 0.1979 115 0.02 99
IV.FAGN.HHZ. 2021-04-13T15:16:40.86 0.3 undecidable manual P 195 0.1934 116 -0.06 74
IV.VCEL.EHZ. 2021-04-13T15:16:40.32 0.1 undecidable manual P 113 0.1502 124 0.04 100
IV.TERO.HHZ. 2021-04-13T15:16:40.60 0.1 undecidable manual P 348 0.1736 119 -0.03 98
IV.GIGS.HHN. 2021-04-13T15:16:39.17 0.1 undecidable manual P 271 0.0585 154 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VCEL.EHN. ML:1.5 0.0002048726 0.1408 AML other m 2021-04-13T15:16:43.65
IV.TERO.HNE. ML:1.3 0.00012515969 0.0768 AML other m 2021-04-13T15:16:44.14
IV.TERO.HHE. ML:1.2 0.000108366535 0.0896 AML other m 2021-04-13T15:16:44.19
IV.VCEL.EHE. ML:1.4 0.00018015345 0.2048 AML other m 2021-04-13T15:16:44.81
IV.TERO.HHN. ML:1.3 0.0001291406 0.0896 AML other m 2021-04-13T15:16:45.15
IV.FAGN.HHN. ML:1.7 0.0003175 0.68 AML other m 2021-04-13T15:16:45.92
IV.FAGN.HHE. ML:1.6 0.0002277894 0.3072 AML other m 2021-04-13T15:16:46.28
IV.LPEL.HHN. ML:1.2 3.1664325E-5 0.6784 AML other m 2021-04-13T15:16:46.23
IV.T0110.HHN. ML:1.6 0.000188 0.34 AML other m 2021-04-13T15:16:46.52
IV.SMA1.EHN. ML:1 3.8868222E-5 0.192 AML other m 2021-04-13T15:16:47.52
IV.T0110.HHE. ML:1.5 0.000161 0.36 AML other m 2021-04-13T15:16:48.01
IV.LPEL.HNE. ML:2.1 0.0002308212 1.1296 AML other m 2021-04-13T15:16:49.25
IV.NRCA.HNE. ML:1.8 0.00013057145 0.9728 AML other m 2021-04-13T15:16:49.71
IV.TERO.HNN. ML:1.4 0.00016225885 0.8704 AML other m 2021-04-13T15:16:50.53
IV.NRCA.HHE. ML:1.3 4.084998E-5 1.8592 AML other m 2021-04-13T15:16:56.06
IV.NRCA.HHN. ML:1.3 3.7935645E-5 0.1024 AML other m 2021-04-13T15:16:56.11
IV.MMUR.HNN. ML:2.9 0.0005497232 0.832 AML other m 2021-04-13T15:16:56.72
IV.LPEL.HHE. ML:1.2 2.8038185E-5 0.3328 AML other m 2021-04-13T15:16:57.45
IV.SMA1.EHE. ML:1 3.78027045E-5 1.0016 AML other m 2021-04-13T15:16:58.09
IV.MMUR.HNE. ML:2.8 0.00045591665 0.8064 AML other m 2021-04-13T15:16:58.40
IV.LPEL.HNN. ML:1.9 0.00014618205 1.2576 AML other m 2021-04-13T15:16:59.91
IV.NRCA.HNN. ML:2 0.00021031005 0.7424 AML other m 2021-04-13T15:17:00.60
IV.ZEN8.EHN. ML:2.9 4.136779E-5 0.064 AML other m 2021-04-13T15:17:34.98
IV.ZEN8.EHE. ML:3 5.06E-5 0.62 AML other m 2021-04-13T15:18:15.79
IV.ZEN8.HNE. ML:3.4 0.0001189252 0.9088 AML other m 2021-04-13T15:18:45.75
IV.ZEN8.HNN. ML:3.6 0.000184986 0.768 AML other m 2021-04-13T15:18:48.53
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