Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 04-11-2020 and time 04:21:16 (Italy) in region 5 km W Ateleta (AQ)

A magnitude ML 1.0 earthquake occured in region: 5 km W Ateleta (AQ), on

  • 04-11-2020 03:21:16 (UTC)
  • 04-11-2020 04:21:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8630, 14.1390 at 19 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
Ateleta AQ 5 1181 1181
Roccaraso AQ 5 1627 2808
Rivisondoli AQ 6 700 3508
Pescocostanzo AQ 7 1128 4636
Gamberale CH 8 320 4956
Castel del Giudice IS 8 346 5302
San Pietro Avellana IS 9 503 5805
Castel di Sangro AQ 9 6538 12343
Sant'Angelo del Pesco IS 10 364 12707
Pizzoferrato CH 11 1130 13837
Capracotta IS 11 903 14740
Pescopennataro IS 13 285 15025
Palena CH 14 1392 16417
Vastogirardi IS 14 704 17121
Quadri CH 14 815 17936
Borrello CH 15 354 18290
Scontrone AQ 15 574 18864
Rocca Pia AQ 16 178 19042
Lettopalena CH 16 358 19400
Montenerodomo CH 16 690 20090
Civitaluparella CH 17 351 20441
Alfedena AQ 17 864 21305
Rionero Sannitico IS 17 1118 22423
Colledimacine CH 17 202 22625
Barrea AQ 17 726 23351
Montenero Val Cocchiara IS 17 538 23889
Fallo CH 18 139 24028
Taranta Peligna CH 18 376 24404
Rosello CH 18 237 24641
Campo di Giove AQ 18 803 25444
Forlì del Sannio IS 19 675 26119
Cansano AQ 19 274 26393
Pettorano sul Gizio AQ 19 1376 27769
Civitella Alfedena AQ 20 296 28065
Roccasicura IS 20 550 28615
Villetta Barrea AQ 20 653 29268
Agnone IS 20 5139 34407

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km S of Chieti (51815 inhabitants)
67 Km S of Pescara (121014 inhabitants)
73 Km S of Montesilvano (53738 inhabitants)
82 Km SE of L'Aquila (69753 inhabitants)
89 Km N of Caserta (76326 inhabitants)
96 Km SE of Teramo (54892 inhabitants)
97 Km NW of Benevento (60091 inhabitants)
99 Km N of Aversa (53047 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 2020-11-04
03:21:16		 41.8627 14.139 19 2021-02-26
14:56:16		 Bollettino Sismico Italiano INGV 86549351
Reviewed
Rev100 		ML 1.0 2020-11-04
03:21:16		 41.8535 14.1563 17 2020-11-04
03:43:54		 Sala Sismica INGV-Roma 84437601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-04 03:21:16 ± 0.13
Latitude 41.8627 ± 0.0036
Longitude 14.1390 ± 0.0060
Depth (km) 19 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86549351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 490
Semi-minor axis of confidence ellipse (meter) 98
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 83
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38401
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 86549351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-25 02:51:10

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 84437601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-04 03:43:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACATE.EHZ. 2020-11-04T03:23:15.42 3.0 undecidable manual Sn -2.54 0
IV.VENL.HNZ. 2020-11-04T03:22:20.35 3.0 negative manual Pg 6.69 0
IV.CSNT.HHZ. 2020-11-04T03:21:58.77 3.0 undecidable manual Pn 1.38 0
IV.MTRA.EHZ. 2020-11-04T03:21:51.18 3.0 undecidable manual Sg -0.75 0
IV.RMP.HHZ. 2020-11-04T03:21:48.44 3.0 undecidable manual Sn -0.64 0
OT.OT11.EHZ. 2020-11-04T03:21:32.66 3.0 negative manual P -0.25 0
IV.VVLD.HHZ. 2020-11-04T03:21:30.66 0.6 undecidable manual S 271 42.624 104 0.14 48
IV.TRIV.HHN. 2020-11-04T03:21:29.03 0.6 undecidable manual S 107 35.6421 108 0.3 47
IV.POFI.HHZ. 2020-11-04T03:21:29.53 0.6 undecidable manual S 246 38.8278 106 -0.01 49
IV.CERA.HNN. 2020-11-04T03:21:27.70 0.6 undecidable manual S 199 31.0467 111 0.13 49
IV.INTR.HHZ. 2020-11-04T03:21:26.44 0.6 undecidable manual S 311 25.4523 117 0.24 48
IV.MIDA.HHZ. 2020-11-04T03:21:25.87 0.6 undecidable manual S 159 26.2515 116 -0.53 44
IV.LPEL.HHZ. 2020-11-04T03:21:24.77 0.6 undecidable manual S 10 20.7681 123 -0.35 48
IV.VVLD.HHZ. 2020-11-04T03:21:24.41 0.1 undecidable manual P 271 42.624 104 -0.16 95
IV.RNI2.HHZ. 2020-11-04T03:21:24.62 0.6 undecidable manual S 176 17.6712 129 0.16 50
IV.POFI.HHZ. 2020-11-04T03:21:23.92 0.1 undecidable manual P 246 38.8278 106 -0.08 97
IV.TRIV.HHN. 2020-11-04T03:21:23.67 0.3 undecidable manual P 107 35.6421 108 0.14 74
IV.MIDA.HHZ. 2020-11-04T03:21:22.04 0.1 undecidable manual P 159 26.2515 116 -0.15 97
IV.CERA.HNN. 2020-11-04T03:21:22.78 0.3 undecidable manual P 199 31.0467 111 -0.08 73
IV.INTR.HHZ. 2020-11-04T03:21:22.16 0.1 undecidable manual P 311 25.4523 117 0.09 100
IV.RNI2.HHZ. 2020-11-04T03:21:21.34 0.3 undecidable manual P 176 17.6712 129 0.27 74
IV.LPEL.HHZ. 2020-11-04T03:21:21.39 0.3 undecidable manual P 10 20.7681 123 -0.06 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.INTR.HHE. ML:0.9 0.000040749999999999994 0.66 AML other m 2020-11-04T03:21:26.31
IV.RNI2.HHE. ML:0.9 0.000048 0.92 AML other m 2020-11-04T03:21:26.30
IV.INTR.HHN. ML:1.2 0.000071 1.2 AML other m 2020-11-04T03:21:27.78
IV.MIDA.HHN. ML:1.1 0.00005325 0.52 AML other m 2020-11-04T03:21:27.21
IV.MIDA.HHE. ML:0.9 0.0000389 1.32 AML other m 2020-11-04T03:21:27.82
IV.VVLD.HHE. ML:1.1 0.0000422 0.46 AML other m 2020-11-04T03:21:31.33
IV.VVLD.HHN. ML:1.0 0.0000322 1.26 AML other m 2020-11-04T03:21:31.14
IV.RNI2.HHN. ML:0.8 0.000032550000000000005 0.42 AML other m 2020-11-04T03:21:32.72
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