Earthquake with magnitude of ML 1.6 on date 16-02-2020 and time 20:12:06 (Italy) in region 2 km W Accumoli (RI)

A magnitude ML 1.6 earthquake occured in region: 2 km W Accumoli (RI), on

  • 16-02-2020 19:12:06 (UTC)
  • 16-02-2020 20:12:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.69, 13.23 at 11 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
Accumoli RI 2 667 667
Amatrice RI 8 2657 3324
Cittareale RI 10 482 3806
Arquata del Tronto AP 11 1178 4984
Norcia PG 16 4957 9941
Acquasanta Terme AP 17 2916 12857
Cascia PG 18 3217 16074
Montereale AQ 18 2581 18655
Campotosto AQ 19 542 19197
Montegallo AP 19 523 19720
Capitignano AQ 20 665 20385

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Teramo (54892 inhabitants)
40 Km NW of L'Aquila (69753 inhabitants)
50 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
84 Km W of Pescara (121014 inhabitants)
86 Km W of Chieti (51815 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km NE of Tivoli (56533 inhabitants)
97 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
Bulletin
Rev1000
ML 1.6 2020-02-16
19:12:06
42.69 13.23 11 2020-07-18
21:08:32
Bollettino Sismico Italiano INGV 78192911
Reviewed
Rev100
ML 1.7 2020-02-16
19:12:06
42.7 13.24 14 2020-02-16
19:16:28
Sala Sismica INGV-Roma 76574431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-16 19:12:06 ± 0.07
Latitude 42.69 ± 0.00
Longitude 13.23 ± 0.00
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78192911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 409
Semi-minor axis of confidence ellipse (meter) 188
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 220
Circular confidence region, given by single value of horizontal uncertainty (meter) 410
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.64661
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 78192911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-14 11:05:18

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 76574431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-16 19:16:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IT.VNF1.HGZ. 2020-02-16T19:12:49.12 3.0 undecidable manual S 0.05 0
IV.MOMA.HHZ. 2020-02-16T19:12:23.75 0.3 undecidable manual S 284 0.4982 90 0.37 65
IV.CESI.HHZ. 2020-02-16T19:12:20.21 0.3 undecidable manual S 323 0.3957 90 -0.14 69
IV.CSP1.EHZ. 2020-02-16T19:12:20.65 0.1 undecidable manual S 357 0.4029 90 0.09 93
IV.GUMA.HHZ. 2020-02-16T19:12:20.51 0.3 undecidable manual S 12 0.3813 90 0.59 62
IV.RM33.EHZ. 2020-02-16T19:12:20.09 0.1 undecidable manual S 0.1808 6.13 0
IV.FDMO.HHZ. 2020-02-16T19:12:19.21 0.6 undecidable manual S 343 0.3624 90 -0.16 46
IV.MF5.EHZ. 2020-02-16T19:12:19.24 0.3 undecidable manual S 29 0.3426 90 0.47 65
IV.EL6.EHZ. 2020-02-16T19:12:19.30 0.3 undecidable manual P 352 0.6466 90 0.65 57
IV.ARRO.EHZ. 2020-02-16T19:12:19.36 0.6 undecidable manual S 252 0.3588 90 0.1 47
IV.GIGS.HHZ. 2020-02-16T19:12:18.41 0.3 undecidable manual S 133 0.3453 90 -0.44 65
IV.T0110.HHZ. 2020-02-16T19:12:17.94 0.3 undecidable manual P 139 0.6106 90 -0.09 67
IV.RM33.EHZ. 2020-02-16T19:12:16.69 3.0 undecidable manual P 0.1808 6.02 0
IV.MOMA.HHZ. 2020-02-16T19:12:16.05 0.1 undecidable manual P 284 0.4982 90 -0.06 92
IV.VCEL.EHZ. 2020-02-16T19:12:16.95 0.3 undecidable manual P 123 0.5369 90 0.18 67
IV.MNTT.EHZ. 2020-02-16T19:12:16.23 0.1 undecidable manual P 36 0.4587 90 0.8 74
IV.TERO.HHZ. 2020-02-16T19:12:16.58 0.1 undecidable manual S 103 0.2824 91 -0.41 89
IV.GAVE.EHZ. 2020-02-16T19:12:15.50 0.3 undecidable manual S 271 0.2473 91 -0.44 66
IV.MC2.EHZ. 2020-02-16T19:12:15.16 0.3 undecidable manual S 352 0.2239 91 -0.11 72
IV.MMO1.EHZ. 2020-02-16T19:12:14.90 0.1 undecidable manual S 19 0.2221 91 -0.29 93
IV.CESI.HHZ. 2020-02-16T19:12:14.08 0.3 undecidable manual P 323 0.3957 90 -0.28 68
IV.GUMA.HHZ. 2020-02-16T19:12:14.22 0.1 undecidable manual P 12 0.3813 90 0.12 93
IV.CAMP.HHZ. 2020-02-16T19:12:14.55 0.1 undecidable manual S 139 0.2014 91 -0.05 97
IV.MF5.EHZ. 2020-02-16T19:12:13.65 0.1 undecidable manual P 29 0.3426 90 0.21 92
IV.GIGS.HHZ. 2020-02-16T19:12:13.15 0.1 undecidable manual P 133 0.3453 90 -0.34 90
IV.ARRO.EHZ. 2020-02-16T19:12:13.79 0.3 undecidable manual P 252 0.3588 90 0.06 71
IV.NRCA.HNZ. 2020-02-16T19:12:13.21 0.1 undecidable manual S 329 0.1682 92 -0.38 92
IV.FDMO.HHZ. 2020-02-16T19:12:13.47 0.1 undecidable manual P 343 0.3624 90 -0.32 90
IV.LNSS.HHZ. 2020-02-16T19:12:13.79 0.6 undecidable manual S 238 0.1646 92 0.3 47
IV.CSP1.EHZ. 2020-02-16T19:12:13.59 0.3 undecidable manual P 357 0.4029 90 -0.88 55
IV.TERO.HHZ. 2020-02-16T19:12:12.17 0.1 undecidable manual P 103 0.2824 91 -0.24 93
IV.MTRA.HNZ. 2020-02-16T19:12:12.63 0.1 undecidable manual S 61 0.1394 95 -0.12 100
IV.MC2.EHZ. 2020-02-16T19:12:11.33 0.1 undecidable manual P 352 0.2239 91 -0.09 97
IV.CAMP.HHZ. 2020-02-16T19:12:11.07 0.1 positive manual P 139 0.2014 91 0.04 98
IV.MMO1.EHZ. 2020-02-16T19:12:11.25 0.1 undecidable manual P 19 0.2221 91 -0.12 97
IV.GAVE.EHZ. 2020-02-16T19:12:11.82 0.1 undecidable manual P 271 0.2473 91 0.01 98
IV.SMA1.EHZ. 2020-02-16T19:12:11.80 0.6 undecidable manual S 127 0.0971 117 0.26 46
IV.LNSS.HHZ. 2020-02-16T19:12:10.67 0.1 positive manual P 238 0.1646 92 0.28 94
IV.MTRA.HNZ. 2020-02-16T19:12:10.00 0.1 positive manual P 61 0.1394 95 0.03 98
IV.NRCA.HNZ. 2020-02-16T19:12:10.39 0.1 negative manual P 329 0.1682 92 -0.06 99
IV.SMA1.EHZ. 2020-02-16T19:12:09.68 0.1 positive manual P 127 0.0971 117 0.41 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.8 0.000716 0.32 AML other m 2020-02-16T19:12:12.39
IV.SMA1.EHN. ML:1.6 0.000472 0.92 AML other m 2020-02-16T19:12:12.65
IV.MTRA.EHE. ML:1.8 0.00061 1 AML other m 2020-02-16T19:12:13.74
IV.NRCA.HHN. ML:2.2 0.001125 0.1 AML other m 2020-02-16T19:12:13.46
IV.NRCA.HHE. ML:2.2 0.00127 0.2 AML other m 2020-02-16T19:12:13.45
IV.MTRA.HNN. ML:1.6 0.000394 0.74 AML other m 2020-02-16T19:12:13.27
IV.MTRA.EHN. ML:1.6 0.0003845 0.34 AML other m 2020-02-16T19:12:13.82
IV.MTRA.HNE. ML:1.8 0.00059 1.16 AML other m 2020-02-16T19:12:13.12
IV.LNSS.HHE. ML:2 0.0008505 1.7 AML other m 2020-02-16T19:12:13.98
IV.LNSS.HHN. ML:2 0.000843 0.2 AML other m 2020-02-16T19:12:14.30
IV.CAMP.HHE. ML:1.1 8.33E-5 0.28 AML other m 2020-02-16T19:12:14.83
IV.CAMP.HHN. ML:1 6.465E-5 0.78 AML other m 2020-02-16T19:12:15.48
IV.GAVE.EHN. ML:1.7 0.000282 0.42 AML other m 2020-02-16T19:12:16.41
IV.GAVE.EHE. ML:1.9 0.0004055 0.88 AML other m 2020-02-16T19:12:16.95
IV.TERO.HHN. ML:1.6 0.000163 1.68 AML other m 2020-02-16T19:12:17.85
IV.TERO.HHE. ML:1.4 0.000126 1.08 AML other m 2020-02-16T19:12:18.61
IV.CESI.HHE. ML:1.4 7.96E-5 0.18 AML other m 2020-02-16T19:12:20.63
IV.ARRO.EHN. ML:1.4 8.06E-5 0.42 AML other m 2020-02-16T19:12:20.55
IV.GUMA.HHE. ML:2.2 0.000571 1.74 AML other m 2020-02-16T19:12:20.96
IV.GUMA.HHN. ML:2 0.000289 1.48 AML other m 2020-02-16T19:12:21.15
IV.ARRO.EHE. ML:1.4 8.625E-5 0.42 AML other m 2020-02-16T19:12:21.20
IV.CESI.HHN. ML:1.6 0.000126 0.42 AML other m 2020-02-16T19:12:21.67
IV.MOMA.HHE. ML:1.7 0.0001135 1.82 AML other m 2020-02-16T19:12:24.95
IV.MOMA.HHN. ML:1.6 9.95E-5 0.18 AML other m 2020-02-16T19:12:25.38
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download