Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 22-02-2019 and time 03:38:21 (Italy) in region 3 km SE Cagnano Amiterno (AQ)

A magnitude ML 0.9 earthquake occured in region: 3 km SE Cagnano Amiterno (AQ), on

  • 22-02-2019 02:38:21 (UTC)
  • 22-02-2019 03:38:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4390, 13.2400 at 10 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.

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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
Cagnano Amiterno AQ 3 1369 1369
Barete AQ 4 737 2106
Pizzoli AQ 5 4326 6432
Scoppito AQ 8 3727 10159
Montereale AQ 10 2581 12740
Capitignano AQ 10 665 13405
Borbona RI 12 617 14022
Antrodoco RI 13 2588 16610
Posta RI 15 694 17304
Micigliano RI 15 127 17431
Borgo Velino RI 15 972 18403
L'Aquila AQ 16 69753 88156
Campotosto AQ 17 542 88698
Tornimparte AQ 17 3187 91885
Castel Sant'Angelo RI 18 1308 93193
Lucoli AQ 18 1011 94204

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of L'Aquila (69753 inhabitants)
45 Km SW of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
65 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
77 Km W of Chieti (51815 inhabitants)
80 Km W of Pescara (121014 inhabitants)
87 Km NE of Roma (2864731 inhabitants)
92 Km NE of Velletri (53303 inhabitants)
93 Km E of Viterbo (67173 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 0.9 2019-02-22
02:38:21		 42.4393 13.2403 11 2019-02-22
02:43:40		 Sala Sismica INGV-Roma 65774291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-22 02:38:21 ± 0.08
Latitude 42.4393 ± 0.0045
Longitude 13.2403 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 65774291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 479
Semi-minor axis of confidence ellipse (meter) 469
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 293
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.40469
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 65774291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-22 02:43:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2019-02-22T02:38:35.63 0.3 undecidable manual S 347 44.9217 50 -0.06 72
IV.GAVE.EHZ. 2019-02-22T02:38:34.49 0.3 undecidable manual S 315 39.8268 50 0.16 71
IV.TERO.HHZ. 2019-02-22T02:38:32.96 0.3 undecidable manual S 55 36.0417 50 -0.35 69
IV.LNSS.HHZ. 2019-02-22T02:38:30.09 0.3 undecidable manual S 318 24.4533 50 -0.13 74
IV.GIGS.HHZ. 2019-02-22T02:38:30.84 0.3 undecidable manual S 87 27.2505 50 -0.14 73
IV.SMA1.EHZ. 2019-02-22T02:38:29.77 0.3 undecidable manual S 20 22.5552 50 0.04 75
IV.NRCA.HHZ. 2019-02-22T02:38:29.31 0.6 positive manual P 347 44.9217 50 -0.22 46
IV.FAGN.HHZ. 2019-02-22T02:38:29.38 0.6 undecidable manual P 124 34.1436 50 1.51 27
IV.ARRO.EHZ. 2019-02-22T02:38:29.16 0.3 undecidable manual P 292 41.8248 50 0.11 72
IV.T1299.HNZ. 2019-02-22T02:38:29.58 0.3 undecidable manual S 9 21.867 50 0.04 75
IV.FIAM.HHZ. 2019-02-22T02:38:29.17 0.3 undecidable manual S 208 21.5673 116 -0.26 72
IV.TERO.HHZ. 2019-02-22T02:38:28.02 0.3 undecidable manual P 55 36.0417 50 -0.14 72
IV.GAVE.EHZ. 2019-02-22T02:38:28.74 0.3 undecidable manual P 315 39.8268 50 0 74
IV.GIGS.HHZ. 2019-02-22T02:38:26.75 0.3 undecidable manual P 87 27.2505 50 -0.06 74
IV.SMA1.EHZ. 2019-02-22T02:38:26.21 0.3 undecidable manual P 20 22.5552 50 0.12 74
IV.LNSS.HHZ. 2019-02-22T02:38:26.38 0.3 undecidable manual P 318 24.4533 50 0.01 75
IV.T1299.HNZ. 2019-02-22T02:38:25.98 0.3 undecidable manual P 9 21.867 50 0 76
IV.FIAM.HHZ. 2019-02-22T02:38:25.84 0.3 undecidable manual P 208 21.5673 116 -0.07 75
IV.CAMP.HHZ. 2019-02-22T02:38:25.36 0.3 undecidable manual P 52 17.4714 121 0.16 74
IV.RM33.EHZ. 2019-02-22T02:38:25.56 0.3 undecidable manual S 345 7.9809 143 -0.14 75
IV.RM33.EHZ. 2019-02-22T02:38:23.94 0.1 undecidable manual P 345 7.9809 143 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HHE. ML:0.8 0.00003805 0.56 AML other m 2019-02-22T02:38:29.71
IV.FIAM.HHN. ML:0.6 0.000023650000000000002 0.96 AML other m 2019-02-22T02:38:29.74
IV.SMA1.EHN. ML:0.8 0.0000444 1.4 AML other m 2019-02-22T02:38:30.02
IV.SMA1.EHE. ML:0.8 0.000046450000000000004 0.54 AML other m 2019-02-22T02:38:30.06
IV.LNSS.HHE. ML:0.8 0.00004149999999999999 0.9 AML other m 2019-02-22T02:38:30.09
IV.LNSS.HHN. ML:0.8 0.0000413 1.08 AML other m 2019-02-22T02:38:30.76
IV.TERO.HHE. ML:0.6 0.00001505 0.68 AML other m 2019-02-22T02:38:34.59
IV.TERO.HHN. ML:0.7 0.000019450000000000002 0.82 AML other m 2019-02-22T02:38:34.70
IV.FAGN.HHE. ML:1.2 0.00006625 1.64 AML other m 2019-02-22T02:38:35.09
IV.NRCA.HHE. ML:1.1 0.0000376 0.92 AML other m 2019-02-22T02:38:36.95
IV.NRCA.HHN. ML:1.1 0.000033299999999999996 0.7 AML other m 2019-02-22T02:38:37.02
IV.FAGN.HHN. ML:1.2 0.000060100000000000004 0.54 AML other m 2019-02-22T02:38:37.35
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