Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 08-03-2020 and time 06:52:45 (Italy) in region 4 km W Accumoli (RI)

A magnitude ML 1.6 earthquake occured in region: 4 km W Accumoli (RI), on

  • 08-03-2020 05:52:45 (UTC)
  • 08-03-2020 06:52:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7000, 13.2010 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.

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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
Cittareale RI 10 482 1149
Amatrice RI 11 2657 3806
Arquata del Tronto AP 11 1178 4984
Norcia PG 14 4957 9941
Cascia PG 15 3217 13158
Acquasanta Terme AP 19 2916 16074
Montegallo AP 19 523 16597
Montereale AQ 20 2581 19178

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
42 Km NW of L'Aquila (69753 inhabitants)
48 Km E of Terni (111501 inhabitants)
50 Km SE of Foligno (57155 inhabitants)
80 Km SE of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km W of Pescara (121014 inhabitants)
88 Km NE of Tivoli (56533 inhabitants)
88 Km W of Chieti (51815 inhabitants)
95 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 2020-03-08
05:52:45		 42.7003 13.2007 11 2020-07-18
21:08:27		 Bollettino Sismico Italiano INGV 77401891
Reviewed
Rev100 		ML 1.6 2020-03-08
05:52:45		 42.7045 13.202 10 2020-03-08
05:59:48		 Sala Sismica INGV-Roma 77122071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-08 05:52:45 ± 0.05
Latitude 42.7003 ± 0.0027
Longitude 13.2007 ± 0.0037
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 77401891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 333
Semi-minor axis of confidence ellipse (meter) 203
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.08903
Epicentral distance of station farthest from the epicenter (degree) 0.63402
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 77122071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-08 05:59:48

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 77401891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-20 08:23:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-03-08T05:53:06.94 0.6 undecidable manual S 353 70.2741 50 0.46 42
IV.PF6.EHN. 2020-03-08T05:53:00.60 0.3 undecidable manual S 359 48.5181 50 -0.09 71
IV.CSP1.EHZ. 2020-03-08T05:52:59.48 0.3 undecidable manual S 0 43.4232 50 0.15 71
IV.GUMA.HHZ. 2020-03-08T05:52:59.67 0.6 undecidable manual S 15 41.625 50 0.82 39
IV.MF5.EHZ. 2020-03-08T05:52:58.68 0.6 undecidable manual S 33 38.2284 50 0.74 40
IV.GIGS.HHZ. 2020-03-08T05:52:58.22 0.6 undecidable manual S 132 40.9257 50 -0.44 45
IV.CESI.HHZ. 2020-03-08T05:52:58.71 0.6 undecidable manual S 325 41.5251 50 -0.1 48
IV.FDMO.HHN. 2020-03-08T05:52:57.92 0.6 undecidable manual S 346 38.4282 50 -0.07 48
IT.MTCL.HGZ. 2020-03-08T05:52:57.24 1.0 undecidable manual S 333 36.4413 50 -0.22 24
IV.ARRO.EHZ. 2020-03-08T05:52:57.81 0.6 undecidable manual S 249 37.9287 50 -0.05 49
IV.EL6.EHZ. 2020-03-08T05:52:57.50 0.3 undecidable manual P 353 70.2741 50 0 69
IV.T0110.HHZ. 2020-03-08T05:52:57.74 0.6 undecidable manual P 138 70.374 50 0.22 44
IV.TERO.HHZ. 2020-03-08T05:52:56.28 0.6 undecidable manual S 105 34.0437 50 -0.53 44
IV.MNTT.EHZ. 2020-03-08T05:52:55.01 0.6 undecidable manual P 39 51.4152 50 0.41 44
IV.CAMP.HHZ. 2020-03-08T05:52:54.18 0.6 undecidable manual S 137 24.9528 50 -0.21 48
IV.GAVE.EHZ. 2020-03-08T05:52:54.40 0.3 undecidable manual S 268 24.9528 50 -0.01 75
IV.MC2.EHZ. 2020-03-08T05:52:54.02 0.6 undecidable manual S 358 23.4543 50 0.03 50
IV.PF6.EHN. 2020-03-08T05:52:53.93 0.3 undecidable manual P 359 48.5181 50 -0.23 69
IV.RM33.EHZ. 2020-03-08T05:52:53.41 0.3 undecidable manual S 177 21.2676 50 0 76
IV.MMO1.EHZ. 2020-03-08T05:52:53.90 0.6 undecidable manual S 25 24.3534 50 -0.33 47
IV.CSP1.EHZ. 2020-03-08T05:52:53.26 0.1 undecidable manual P 0 43.4232 50 -0.11 95
IV.GUMA.HHZ. 2020-03-08T05:52:53.47 0.3 undecidable manual P 15 41.625 50 0.37 68
IV.LNSS.HHZ. 2020-03-08T05:52:52.30 0.6 undecidable manual S 230 16.9719 123 0.05 50
IV.CESI.HHZ. 2020-03-08T05:52:52.94 0.3 undecidable manual P 325 41.5251 50 -0.14 71
IV.MF5.EHZ. 2020-03-08T05:52:52.95 0.1 undecidable manual P 33 38.2284 50 0.38 91
IV.FDMO.HHN. 2020-03-08T05:52:52.38 0.1 undecidable manual P 346 38.4282 50 -0.22 94
IT.MTCL.HGZ. 2020-03-08T05:52:52.07 0.3 undecidable manual P 333 36.4413 50 -0.23 70
IV.ARRO.EHZ. 2020-03-08T05:52:52.53 0.6 undecidable manual P 249 37.9287 50 0 49
IV.GIGS.HHZ. 2020-03-08T05:52:52.86 0.6 undecidable manual P 132 40.9257 50 -0.13 48
IV.MTRA.EHZ. 2020-03-08T05:52:51.80 0.6 undecidable manual S 69 17.1717 123 -0.5 46
IV.TERO.HHZ. 2020-03-08T05:52:51.67 0.3 undecidable manual P 105 34.0437 50 -0.25 70
IV.SMA1.EHZ. 2020-03-08T05:52:51.27 0.6 undecidable manual S 125 13.4754 129 0.02 51
IV.NRCA.HNZ. 2020-03-08T05:52:51.66 0.3 undecidable manual S 335 16.3725 124 -0.41 70
IV.GAVE.EHZ. 2020-03-08T05:52:50.56 0.1 undecidable manual P 268 24.9528 50 0.03 100
IV.CAMP.HHZ. 2020-03-08T05:52:50.51 0.3 undecidable manual P 137 24.9528 50 -0.02 75
IV.RM33.EHZ. 2020-03-08T05:52:50.01 0.1 negative manual P 177 21.2676 50 0.05 100
IV.MMO1.EHZ. 2020-03-08T05:52:50.25 0.3 undecidable manual P 25 24.3534 50 -0.18 73
IV.MC2.EHZ. 2020-03-08T05:52:50.43 0.1 undecidable manual P 358 23.4543 50 0.14 98
IV.T1299.HNN. 2020-03-08T05:52:50.59 0.3 undecidable manual S 138 9.879 138 0.23 74
IV.NRCA.HNZ. 2020-03-08T05:52:49.09 0.1 negative manual P 335 16.3725 124 -0.09 100
IV.MTRA.EHZ. 2020-03-08T05:52:49.17 0.1 positive manual P 69 17.1717 123 -0.14 99
IV.LNSS.HHZ. 2020-03-08T05:52:49.42 0.1 positive manual P 230 16.9719 123 0.13 99
IV.T1299.HNN. 2020-03-08T05:52:48.50 0.1 positive manual P 138 9.879 138 0.3 97
IV.SMA1.EHZ. 2020-03-08T05:52:48.84 0.1 positive manual P 125 13.4754 129 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNE. ML:1.2 0.000137903585 0.6016 AML other m 2020-03-08T05:52:51.26
IV.NRCA.HHN. ML:1.9 0.0006630939499999999 0.0992 AML other m 2020-03-08T05:52:51.79
IV.NRCA.HHE. ML:2.3 0.0015602575000000002 0.16 AML other m 2020-03-08T05:52:51.95
IV.NRCA.HNE. ML:2.2 0.0014575005 0.16 AML other m 2020-03-08T05:52:51.96
IV.SMA1.EHN. ML:1.4 0.00027386 0.32 AML other m 2020-03-08T05:52:52.08
IV.NRCA.HNN. ML:1.8 0.0006050976000000001 0.08 AML other m 2020-03-08T05:52:51.97
IV.LNSS.HHE. ML:1.9 0.0006157388000000001 0.1408 AML other m 2020-03-08T05:52:52.55
IV.LNSS.HNE. ML:1.8 0.00058277085 0.128 AML other m 2020-03-08T05:52:52.55
IV.LNSS.HHN. ML:1.6 0.00031761014999999996 0.1024 AML other m 2020-03-08T05:52:52.61
IV.LNSS.HNN. ML:1.6 0.00031760830000000003 0.1184 AML other m 2020-03-08T05:52:52.62
IV.MTRA.EHN. ML:1.1 0.000101179285 0.1216 AML other m 2020-03-08T05:52:52.64
IV.SMA1.EHE. ML:1.3 0.00020547979999999998 0.1984 AML other m 2020-03-08T05:52:52.83
IV.RM33.HNN. ML:1.4 0.000159331125 0.24 AML other m 2020-03-08T05:52:53.60
IV.RM33.EHN. ML:1.3 0.00013849649 0.24 AML other m 2020-03-08T05:52:53.60
IV.RM33.EHE. ML:1.2 0.00010815115 0.1376 AML other m 2020-03-08T05:52:53.81
IV.RM33.HNE. ML:1.3 0.00012858955 0.16 AML other m 2020-03-08T05:52:53.89
IV.GAVE.EHN. ML:1.6 0.0002507598 0.24 AML other m 2020-03-08T05:52:55.60
IV.GAVE.EHE. ML:1.6 0.00024459325 0.2592 AML other m 2020-03-08T05:52:55.97
IV.GAVE.HNE. ML:1.7 0.0002699667 0.2496 AML other m 2020-03-08T05:52:55.96
IV.GUMA.HHE. ML:1.9 0.000235436025 0.3008 AML other m 2020-03-08T05:52:59.90
IV.GUMA.HNE. ML:1.8 0.000209800536 0.2976 AML other m 2020-03-08T05:52:59.92
IV.GUMA.HHN. ML:1.7 0.00015919844999999998 0.24 AML other m 2020-03-08T05:53:00.30
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