Earthquake with magnitude of ML 1.4 on date 01-03-2020 and time 03:24:23 (Italy) in region 6 km W Arquata del Tronto (AP)

A magnitude ML 1.4 earthquake occured in region: 6 km W Arquata del Tronto (AP), on

  • 01-03-2020 02:24:23 (UTC)
  • 01-03-2020 03:24:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7930, 13.2280 at 9 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
Arquata del Tronto AP 6 1178 1178
Montegallo AP 10 523 1701
Accumoli RI 11 667 2368
Norcia PG 11 4957 7325
Castelsantangelo sul Nera MC 13 281 7606
Montemonaco AP 15 604 8210
Acquasanta Terme AP 15 2916 11126
Preci PG 18 724 11850
Ussita MC 18 444 12294
Amatrice RI 19 2657 14951
Visso MC 19 1107 16058
Montefortino FM 19 1178 17236
Cascia PG 19 3217 20453

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
77 Km E of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
91 Km NW of Chieti (51815 inhabitants)
95 Km S of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NE of Tivoli (56533 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 2020-03-01
02:24:23
42.7928 13.2275 9 2020-07-18
21:08:27
Bollettino Sismico Italiano INGV 77403641
Reviewed
Rev100
ML 1.7 2020-03-01
02:24:23
42.793 13.2263 10 2020-03-01
02:35:14
Sala Sismica INGV-Roma 76940631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-01 02:24:23 ± 0.05
Latitude 42.7928 ± 0.0027
Longitude 13.2275 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77403641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 319
Semi-minor axis of confidence ellipse (meter) 133
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
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) 0.09263
Epicentral distance of station farthest from the epicenter (degree) 0.58186
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:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 76940631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-01 02:35:14

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 77403641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-20 09:28:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAMP.HHZ. 2020-03-01T02:24:34.12 0.3 undecidable manual S 152 32.1456 50 -0.56 64
IV.ATCC.EHZ. 2020-03-01T02:24:34.86 0.3 undecidable manual P 313 64.5909 50 0.04 68
IT.MTCL.HGZ. 2020-03-01T02:24:33.42 0.6 undecidable manual S 320 29.0487 107 -0.32 46
IV.GAVE.EHZ. 2020-03-01T02:24:33.80 0.3 undecidable manual S 248 29.3484 107 -0.06 72
IV.MF5.EHZ. 2020-03-01T02:24:33.48 0.3 undecidable manual S 41 28.749 108 -0.16 71
IV.GIGS.HHZ. 2020-03-01T02:24:32.47 0.6 undecidable manual P 143 47.0196 50 0.34 44
IV.LNSS.HHZ. 2020-03-01T02:24:32.90 0.3 undecidable manual S 216 26.0517 109 0.14 72
IV.MML1.HNZ. 2020-03-01T02:24:31.19 0.6 undecidable manual P 330 41.2254 50 -0.03 48
IV.ARRO.EHZ. 2020-03-01T02:24:31.64 0.1 undecidable manual P 238 44.5221 50 -0.09 93
IV.OFFI.HHZ. 2020-03-01T02:24:31.54 0.1 undecidable manual P 67 40.4262 50 0.43 88
IV.CESI.HHZ. 2020-03-01T02:24:30.17 0.3 undecidable manual P 312 35.2425 50 -0.14 71
IV.T1299.HNZ. 2020-03-01T02:24:30.58 0.3 undecidable manual S 166 18.1707 117 0.34 70
IV.PF6.EHZ. 2020-03-01T02:24:30.43 0.6 undecidable manual P 356 38.3283 50 -0.36 45
IV.SMA1.EHZ. 2020-03-01T02:24:30.79 0.6 undecidable manual S 154 20.0688 114 -0.04 49
IV.RM33.EHZ. 2020-03-01T02:24:30.43 0.1 undecidable manual P 182 31.5462 50 0.7 81
IV.SAP2.EHZ. 2020-03-01T02:24:30.89 0.1 undecidable manual P 22 36.4413 50 0.39 89
IV.CSP1.EHZ. 2020-03-01T02:24:29.88 0.1 undecidable manual P 357 33.2445 50 -0.12 95
IV.MC2.EHZ. 2020-03-01T02:24:29.03 0.3 undecidable manual S 347 13.4754 124 0.18 73
IT.MTCL.HGZ. 2020-03-01T02:24:29.14 0.3 undecidable manual P 320 29.0487 107 -0.15 71
IV.TERO.HHZ. 2020-03-01T02:24:29.98 0.3 undecidable manual P 121 36.0417 50 -0.45 66
IV.CAMP.HHZ. 2020-03-01T02:24:29.43 0.6 undecidable manual P 152 32.1456 50 -0.4 45
IV.GAVE.EHZ. 2020-03-01T02:24:29.21 0.3 undecidable manual P 248 29.3484 107 -0.14 71
IV.GUMA.HHZ. 2020-03-01T02:24:29.80 0.3 undecidable manual P 16 31.1466 50 0.12 71
IV.MF5.EHZ. 2020-03-01T02:24:29.40 0.3 undecidable manual P 41 28.749 108 0.17 71
IV.MMO1.EHZ. 2020-03-01T02:24:28.93 0.3 undecidable manual S 34 14.2746 122 -0.15 73
IV.LNSS.HHZ. 2020-03-01T02:24:28.56 0.1 undecidable manual P 216 26.0517 109 -0.16 95
IV.MTRA.HNZ. 2020-03-01T02:24:28.89 0.3 undecidable manual S 106 14.3745 122 -0.2 72
IV.NRCA.HHZ. 2020-03-01T02:24:28.00 0.3 undecidable manual S 296 10.2786 131 0.05 75
IV.T1299.HNZ. 2020-03-01T02:24:27.41 0.3 undecidable manual P 166 18.1707 117 0.15 73
IV.SMA1.EHZ. 2020-03-01T02:24:27.32 0.3 undecidable manual P 154 20.0688 114 -0.28 70
IV.MMO1.EHZ. 2020-03-01T02:24:26.52 0.1 undecidable manual P 34 14.2746 122 -0.07 99
IV.MC2.EHZ. 2020-03-01T02:24:26.63 0.3 undecidable manual P 347 13.4754 124 0.17 73
IV.MTRA.HNZ. 2020-03-01T02:24:26.68 0.3 undecidable manual P 106 14.3745 122 0.08 74
IV.NRCA.HHZ. 2020-03-01T02:24:25.99 0.1 undecidable manual P 296 10.2786 131 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.8 0.0007985 0.12 AML other m 2020-03-01T02:24:29.09
IV.NRCA.HHE. ML:1.8 0.0009320000000000001 0.7 AML other m 2020-03-01T02:24:28.70
IV.NRCA.HHN. ML:1.8 0.0009284999999999999 1.3 AML other m 2020-03-01T02:24:28.09
IV.LNSS.HHE. ML:1.5 0.000188 0.14 AML other m 2020-03-01T02:24:33.84
IV.LNSS.HHN. ML:0.9 0.00016499999999999997 0.72 AML other m 2020-03-01T02:24:35.49
IV.RM33.EHN. ML:1.2 0.00008165 1.58 AML other m 2020-03-01T02:24:36.90
IV.CESI.HHN. ML:1.4 0.00011320000000000001 1.1 AML other m 2020-03-01T02:24:36.36
IV.CESI.HHE. ML:1.3 0.00007714999999999999 1.24 AML other m 2020-03-01T02:24:36.11
IV.RM33.EHE. ML:1.3 0.00009525 1.34 AML other m 2020-03-01T02:24:38.67
IV.LNSS.HNN. ML:1.3 0.00011265170000000001 0.72 AML other m 2020-03-01T02:24:33.53
IV.LNSS.HNE. ML:0.9 0.00004641882999999999 0.16 AML other m 2020-03-01T02:24:33.11
IV.NRCA.HNE. ML:1.6 0.00048835615 0.1696 AML other m 2020-03-01T02:24:28.13
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