Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 24-03-2021 and time 18:28:31 (Italy) in region 2 km NW Cagnano Amiterno (AQ)

A magnitude ML 1.4 earthquake occured in region: 2 km NW Cagnano Amiterno (AQ), on

  • 24-03-2021 17:28:31 (UTC)
  • 24-03-2021 18:28:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4730, 13.2190 at 10 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cagnano Amiterno AQ 2 1369 1369
Barete AQ 6 737 2106
Montereale AQ 6 2581 4687
Pizzoli AQ 8 4326 9013
Borbona RI 8 617 9630
Capitignano AQ 9 665 10295
Posta RI 12 694 10989
Scoppito AQ 12 3727 14716
Antrodoco RI 13 2588 17304
Micigliano RI 14 127 17431
Borgo Velino RI 15 972 18403
Campotosto AQ 16 542 18945
Cittareale RI 17 482 19427
Castel Sant'Angelo RI 18 1308 20735
Amatrice RI 18 2657 23392
L'Aquila AQ 20 69753 93145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of L'Aquila (69753 inhabitants)
45 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
66 Km NE of Guidonia Montecelio (88673 inhabitants)
66 Km NE of Tivoli (56533 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
79 Km W of Chieti (51815 inhabitants)
82 Km W of Pescara (121014 inhabitants)
88 Km NE of Roma (2864731 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
95 Km NE of Velletri (53303 inhabitants)
98 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 1.4 2021-03-24
17:28:31		 42.4732 13.2193 10 2021-07-12
16:55:11		 Bollettino Sismico Italiano INGV 90082481
Reviewed
Rev100 		ML 1.4 2021-03-24
17:28:31		 42.4668 13.2135 10 2021-03-24
17:33:23		 Sala Sismica INGV-Roma 88435761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-24 17:28:31 ± 0.07
Latitude 42.4732 ± 0.0036
Longitude 13.2193 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90082481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 435
Semi-minor axis of confidence ellipse (meter) 373
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 0.61873
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 90082481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-14 09:22:34

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 88435761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-24 17:33:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2021-03-24T17:28:51.87 0.3 undecidable manual S 305 64.491 50 0.35 64
IV.MF5.EHZ. 2021-03-24T17:28:51.39 0.3 undecidable manual S 19 60.3951 50 0.96 52
IV.MMO1.EHZ. 2021-03-24T17:28:46.96 0.6 undecidable manual S 10 48.1185 50 -0.2 46
IV.ARRO.EHZ. 2021-03-24T17:28:44.55 0.6 undecidable manual S 288 38.9277 50 -0.16 47
IV.NRCA.HHZ. 2021-03-24T17:28:44.79 0.6 undecidable manual S 348 40.9257 50 -0.45 44
IV.GAVE.EHZ. 2021-03-24T17:28:44.08 0.3 undecidable manual S 313 36.0417 50 0.15 71
IV.MOMA.HHZ. 2021-03-24T17:28:43.16 0.3 undecidable manual P 305 64.491 50 0.01 69
IV.CSP1.EHZ. 2021-03-24T17:28:43.95 0.3 undecidable manual P 359 68.6757 50 0.16 66
IV.MF5.EHZ. 2021-03-24T17:28:42.85 0.3 undecidable manual P 19 60.3951 50 0.34 65
IV.GIGS.HJZ. 2021-03-24T17:28:41.53 0.6 undecidable manual S 94 29.0487 50 -0.54 44
IV.MMO1.EHZ. 2021-03-24T17:28:40.39 0.3 undecidable manual P 10 48.1185 50 -0.23 68
IV.FIAM.HNZ. 2021-03-24T17:28:40.71 0.6 undecidable manual S 200 24.2535 50 -0.08 49
MN.AQU.HNZ. 2021-03-24T17:28:39.72 0.6 undecidable manual S 131 20.1687 117 0.16 48
IV.LNSS.HHZ. 2021-03-24T17:28:39.53 0.6 undecidable manual S 315 20.5683 117 -0.14 48
IV.SMA1.EHZ. 2021-03-24T17:28:39.42 0.3 undecidable manual S 28 19.869 117 -0.05 74
IV.NRCA.HHZ. 2021-03-24T17:28:39.25 0.3 undecidable manual P 348 40.9257 50 -0.26 68
IV.CAMP.HHZ. 2021-03-24T17:28:38.52 0.6 undecidable manual S 66 16.9719 121 -0.08 49
IV.GAVE.EHZ. 2021-03-24T17:28:38.69 0.3 undecidable manual P 313 36.0417 50 -0.07 72
IV.ARRO.EHZ. 2021-03-24T17:28:38.98 0.3 undecidable manual P 288 38.9277 50 -0.23 69
IV.T1299.HNZ. 2021-03-24T17:28:38.90 0.6 undecidable manual S 16 18.5703 119 -0.18 48
IV.FIAM.HNZ. 2021-03-24T17:28:37.06 0.3 undecidable manual P 200 24.2535 50 0.11 73
IV.GIGS.HJZ. 2021-03-24T17:28:37.39 0.1 undecidable manual P 94 29.0487 50 -0.29 93
IV.SMA1.EHZ. 2021-03-24T17:28:36.26 0.1 positive manual P 28 19.869 117 0.08 98
MN.AQU.HNZ. 2021-03-24T17:28:36.54 0.3 undecidable manual P 131 20.1687 117 0.3 70
IV.LNSS.HHZ. 2021-03-24T17:28:36.22 0.1 positive manual P 315 20.5683 117 -0.08 98
IV.T1299.HNZ. 2021-03-24T17:28:35.97 0.1 undecidable manual P 16 18.5703 119 0.01 100
IV.CAMP.HHZ. 2021-03-24T17:28:35.76 0.1 undecidable manual P 66 16.9719 121 0.08 99
IV.RM33.HNZ. 2021-03-24T17:28:35.36 0.3 undecidable manual S 354 3.996 159 -0.19 74
IV.RM33.HNZ. 2021-03-24T17:28:34.11 0.1 undecidable manual P 354 3.996 159 0.19 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.3 0.000153 1.22 AML other m 2021-03-24T17:28:39.75
IV.SMA1.EHE. ML:1.6 0.000296 0.52 AML other m 2021-03-24T17:28:39.76
IV.LNSS.HHE. ML:1.3 0.0001525 1.1 AML other m 2021-03-24T17:28:40.20
IV.LNSS.HHN. ML:1.4 0.000185 1 AML other m 2021-03-24T17:28:40.79
IV.NRCA.HHE. ML:1.7 0.00016299999999999998 1.02 AML other m 2021-03-24T17:28:46.12
IV.NRCA.HHN. ML:1.5 0.0001115 0.12 AML other m 2021-03-24T17:28:47.06
IV.MOMA.HHN. ML:1.3 0.0000363 0.58 AML other m 2021-03-24T17:28:53.56
IV.MOMA.HHE. ML:1.3 0.00003655 0.92 AML other m 2021-03-24T17:28:53.51
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