Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 24-02-2019 and time 09:03:48 (Italy) in region 4 km SW Accumoli (RI)

A magnitude ML 1.4 earthquake occured in region: 4 km SW Accumoli (RI), on

  • 24-02-2019 08:03:48 (UTC)
  • 24-02-2019 09:03:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6610, 13.2260 at 14 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
Accumoli RI 4 667 667
Amatrice RI 6 2657 3324
Cittareale RI 7 482 3806
Arquata del Tronto AP 14 1178 4984
Montereale AQ 15 2581 7565
Campotosto AQ 17 542 8107
Capitignano AQ 17 665 8772
Borbona RI 18 617 9389
Norcia PG 18 4957 14346
Cascia PG 18 3217 17563
Posta RI 19 694 18257
Acquasanta Terme AP 19 2916 21173

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
54 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
84 Km W of Pescara (121014 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
85 Km W of Chieti (51815 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
96 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 1.4 2019-02-24
08:03:48		 42.6612 13.2255 14 2019-02-24
08:13:13		 Sala Sismica INGV-Roma 65902471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-24 08:03:48 ± 0.1
Latitude 42.6612 ± 0.0045
Longitude 13.2255 ± 0.0049
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 65902471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 225
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43078
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 65902471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-24 08:13:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2019-02-24T08:04:04.17 0.3 undecidable manual S 358 47.8188 94 0.09 70
IV.FDMO.HHZ. 2019-02-24T08:04:03.44 0.3 undecidable manual S 345 43.1235 95 0.61 62
IV.MF5.EHZ. 2019-02-24T08:04:03.25 0.3 undecidable manual S 28 40.9257 95 1 54
IV.GUAR.HHZ. 2019-02-24T08:04:03.05 3.0 undecidable manual P -2.37 0
IV.TERO.HHZ. 2019-02-24T08:03:59.45 0.3 undecidable manual S 98 31.1466 98 -0.21 69
IV.MC2.EHZ. 2019-02-24T08:03:59.11 0.3 undecidable manual S 354 27.9498 99 0.31 69
IV.MMO1.EHE. 2019-02-24T08:03:58.70 0.6 undecidable manual S 17 27.6501 99 -0.04 48
IV.GAVE.EHZ. 2019-02-24T08:03:58.25 0.3 undecidable manual S 277 27.2505 99 -0.37 69
IV.CSP1.EHZ. 2019-02-24T08:03:57.46 0.1 undecidable manual P 358 47.8188 94 -0.18 90
IV.LNSS.HHZ. 2019-02-24T08:03:56.39 0.3 undecidable manual S 247 16.4724 114 0.55 63
IV.NRCA.HHE. 2019-02-24T08:03:56.23 0.3 undecidable manual S 335 21.1677 105 -0.8 59
IV.FDMO.HHZ. 2019-02-24T08:03:56.94 0.6 undecidable manual P 345 43.1235 95 0.02 47
IV.CAMP.HHE. 2019-02-24T08:03:56.89 0.3 undecidable manual S 133 20.4684 106 0.04 74
IV.MF5.EHZ. 2019-02-24T08:03:56.92 0.1 undecidable manual P 28 40.9257 95 0.34 90
IV.MTRA.EHZ. 2019-02-24T08:03:55.64 0.3 undecidable manual S 53 17.4714 111 -0.47 66
IV.RM33.EHZ. 2019-02-24T08:03:55.98 0.3 undecidable manual S 183 16.872 113 0.02 73
IV.GAVE.EHZ. 2019-02-24T08:03:54.27 0.1 undecidable manual P 277 27.2505 99 -0.22 94
IV.TERO.HHZ. 2019-02-24T08:03:54.99 0.1 undecidable manual P 98 31.1466 98 -0.1 94
IV.MC2.EHZ. 2019-02-24T08:03:54.53 0.1 undecidable manual P 354 27.9498 99 -0.06 96
IV.MMO1.EHE. 2019-02-24T08:03:54.33 0.3 undecidable manual P 17 27.6501 99 -0.22 69
IV.SMA1.EHE. 2019-02-24T08:03:54.42 0.3 undecidable manual S 111 9.5793 135 0.09 74
IV.CAMP.HHE. 2019-02-24T08:03:53.63 0.3 undecidable manual P 133 20.4684 106 0.17 72
IV.NRCA.HHE. 2019-02-24T08:03:53.28 0.3 undecidable manual P 335 21.1677 105 -0.29 70
IV.T1299.EHE. 2019-02-24T08:03:53.38 0.3 undecidable manual S 123 5.4945 152 -0.3 72
IV.RM33.EHZ. 2019-02-24T08:03:53.04 0.1 undecidable manual P 183 16.872 113 0.09 97
IV.SMA1.EHE. 2019-02-24T08:03:52.29 0.1 undecidable manual P 111 9.5793 135 0.28 95
IV.LNSS.HHZ. 2019-02-24T08:03:52.78 0.1 undecidable manual P 247 16.4724 114 -0.1 99
IV.MTRA.EHZ. 2019-02-24T08:03:52.88 0.1 undecidable manual P 53 17.4714 111 -0.16 95
IV.T1299.EHE. 2019-02-24T08:03:51.69 0.1 undecidable manual P 123 5.4945 152 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.4 0.00010535 0.64 AML other m 2019-02-24T08:04:00.42
IV.RM33.EHE. ML:1.3 0.000167 1.4 AML other m 2019-02-24T08:03:56.10
IV.RM33.EHN. ML:1.3 0.0001635 0.12 AML other m 2019-02-24T08:03:56.24
IV.LNSS.HHN. ML:1.4 0.0002195 0.7 AML other m 2019-02-24T08:03:56.03
IV.LNSS.HHE. ML:1.4 0.00021150000000000002 0.16 AML other m 2019-02-24T08:03:56.47
IV.MTRA.EHE. ML:1.8 0.000439 1.2 AML other m 2019-02-24T08:03:56.11
IV.TERO.HHE. ML:1.3 0.00008525 0.72 AML other m 2019-02-24T08:04:00.85
IV.LNSS.HNE. ML:1.4 0.00019150168 0.1536 AML other m 2019-02-24T08:03:56.55
IV.LNSS.HNN. ML:1.2 0.00013485734049999997 0.2112 AML other m 2019-02-24T08:03:57.32
IV.MTRA.EHN. ML:1.6 0.000328 0.16 AML other m 2019-02-24T08:03:55.74
IV.MTRA.HNE. ML:1.6 0.00031348205000000004 0.192 AML other m 2019-02-24T08:03:56.11
IV.MTRA.HNN. ML:1.7 0.00037413705 0.1408 AML other m 2019-02-24T08:03:55.81
IV.RM33.HNE. ML:1.3 0.00015125460000000001 0.1344 AML other m 2019-02-24T08:03:56.80
IV.GAVE.EHE. ML:1.3 0.00010394836 0.1408 AML other m 2019-02-24T08:03:59.25
IV.GAVE.EHN. ML:1.4 0.00012819215 0.2176 AML other m 2019-02-24T08:03:58.44
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