Earthquake with magnitude of ML 1.4 on date 01-02-2020 and time 16:17:57 (UTC) in region 4 km SW Accumoli (RI)

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

  • 01-02-2020 16:17:57 (UTC)
  • 01-02-2020 17:17:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6660, 13.2200 at 13 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 4 667 667
Amatrice RI 7 2657 3324
Cittareale RI 7 482 3806
Arquata del Tronto AP 14 1178 4984
Montereale AQ 16 2581 7565
Campotosto AQ 17 542 8107
Capitignano AQ 17 665 8772
Norcia PG 18 4957 13729
Cascia PG 18 3217 16946
Borbona RI 18 617 17563
Posta RI 19 694 18257
Acquasanta Terme AP 19 2916 21173

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km W of Pescara (121014 inhabitants)
85 Km W of Chieti (51815 inhabitants)
85 Km NE of Tivoli (56533 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 1.4 2020-02-01
16:17:57
42.666 13.2203 13 2020-07-18
21:08:26
Bollettino Sismico Italiano INGV 77357191
Reviewed
Rev100
ML 1.6 2020-02-01
16:17:57
42.6723 13.2213 14 2020-02-01
16:24:33
Sala Sismica INGV-Roma 76103371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-01 16:17:57 ± 0.06
Latitude 42.6660 ± 0.0027
Longitude 13.2203 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77357191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 378
Semi-minor axis of confidence ellipse (meter) 109
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41009
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 77357191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-20 16:34:50

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 76103371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-01 16:24:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRB1.HHZ. 2020-02-01T16:19:00.13 3.0 undecidable manual Sg -0.02 0
IT.GLNS.HNZ. 2020-02-01T16:18:26.30 3.0 undecidable manual Pg 1.04 0
IV.RCAV.EHZ. 2020-02-01T16:18:25.65 3.0 undecidable manual S -4.17 0
IV.LRP.EHZ. 2020-02-01T16:18:14.83 3.0 positive manual P -4.92 0
IV.CESI.HHE. 2020-02-01T16:18:12.42 0.3 undecidable manual S 326 45.5211 93 0.14 70
IV.FIAM.HNN. 2020-02-01T16:18:12.32 0.3 undecidable manual S 191 44.9217 93 0.2 70
IV.FDMO.HHZ. 2020-02-01T16:18:11.57 0.6 undecidable manual S 345 42.5241 93 0.1 47
IV.MF5.EHZ. 2020-02-01T16:18:11.82 0.6 undecidable manual S 29 40.626 94 0.84 37
IV.GIGS.HHZ. 2020-02-01T16:18:09.96 0.3 undecidable manual S 129 37.2294 94 -0.11 71
IV.TERO.HHZ. 2020-02-01T16:18:08.30 0.3 undecidable manual S 99 31.6461 95 -0.28 70
IV.MMO1.HNZ. 2020-02-01T16:18:07.35 0.3 undecidable manual S 18 27.2505 97 -0.08 74
IV.GAVE.EHZ. 2020-02-01T16:18:07.20 0.3 undecidable manual S 276 26.751 97 -0.08 72
IV.MC2.EHZ. 2020-02-01T16:18:07.97 0.6 undecidable manual S 355 27.3504 97 0.53 43
IV.CESI.HHE. 2020-02-01T16:18:06.35 0.6 undecidable manual P 326 45.5211 93 0.25 45
IV.FIAM.HNN. 2020-02-01T16:18:06.07 0.6 undecidable manual P 191 44.9217 93 0.06 48
IV.MF5.EHZ. 2020-02-01T16:18:05.76 0.3 undecidable manual P 29 40.626 94 0.41 66
IV.NRCA.HHZ. 2020-02-01T16:18:05.14 0.3 undecidable manual S 335 20.4684 102 -0.5 67
IV.CAMP.HHZ. 2020-02-01T16:18:05.81 0.3 undecidable manual S 133 21.1677 101 0.01 75
IV.LNSS.HHZ. 2020-02-01T16:18:04.53 0.3 undecidable manual S 245 16.2726 110 -0.02 74
IV.MTRA.EHZ. 2020-02-01T16:18:04.53 0.3 undecidable manual S 55 17.5713 107 -0.34 71
IV.GIGS.HHZ. 2020-02-01T16:18:04.75 0.3 undecidable manual P 129 37.2294 94 -0.07 72
IV.FDMO.HHZ. 2020-02-01T16:18:04.98 0.6 undecidable manual P 345 42.5241 93 -0.65 41
IV.SMA1.EHZ. 2020-02-01T16:18:03.17 0.3 undecidable manual S 113 10.1787 130 0.04 75
IV.MC2.EHZ. 2020-02-01T16:18:03.16 0.6 undecidable manual P 355 27.3504 97 -0.14 48
IV.GAVE.EHZ. 2020-02-01T16:18:03.12 0.1 positive manual P 276 26.751 97 -0.09 96
IV.TERO.HHZ. 2020-02-01T16:18:03.85 0.3 undecidable manual P 99 31.6461 95 -0.12 72
IV.MMO1.HNZ. 2020-02-01T16:18:03.32 0.3 undecidable manual P 18 27.2505 97 0.02 73
IV.CAMP.HHZ. 2020-02-01T16:18:02.46 0.3 undecidable manual P 133 21.1677 101 0.1 73
IV.NRCA.HHZ. 2020-02-01T16:18:02.11 0.3 undecidable manual P 335 20.4684 102 -0.15 73
IV.T1299.HNZ. 2020-02-01T16:18:02.22 0.3 undecidable manual S 125 6.1938 147 -0.2 74
IV.SMA1.EHZ. 2020-02-01T16:18:01.04 0.1 positive manual P 113 10.1787 130 0.22 97
IV.LNSS.HHZ. 2020-02-01T16:18:01.72 0.1 positive manual P 245 16.2726 110 0.08 100
IV.MTRA.EHZ. 2020-02-01T16:18:01.80 0.3 undecidable manual P 55 17.5713 107 -0.02 75
IV.T1299.HNZ. 2020-02-01T16:18:00.62 0.1 negative manual P 125 6.1938 147 0.21 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:2.0 0.0011739009999999998 0.1408 AML other m 2020-02-01T16:18:03.73
IV.SMA1.EHN. ML:1.8 0.00073470915 0.1792 AML other m 2020-02-01T16:18:03.78
IV.LNSS.HHN. ML:1.4 0.0002093366 0.1152 AML other m 2020-02-01T16:18:04.91
IV.LNSS.HNN. ML:1.4 0.00019887103 0.128 AML other m 2020-02-01T16:18:04.90
IV.NRCA.HHE. ML:1.9 0.0005235080999999999 0.1536 AML other m 2020-02-01T16:18:05.48
IV.NRCA.HNE. ML:1.9 0.00050152235 0.1536 AML other m 2020-02-01T16:18:05.56
IV.LNSS.HHE. ML:1.4 0.0002283137 0.1408 AML other m 2020-02-01T16:18:05.44
IV.LNSS.HNE. ML:1.4 0.00021620828 0.1408 AML other m 2020-02-01T16:18:05.44
IV.NRCA.HHN. ML:1.5 0.00020092135 0.1408 AML other m 2020-02-01T16:18:05.66
IV.NRCA.HNN. ML:1.5 0.00019406521499999997 0.1408 AML other m 2020-02-01T16:18:05.66
IV.RM33.HNN. ML:1.3 0.00014708839 0.1152 AML other m 2020-02-01T16:18:05.82
IV.RM33.EHN. ML:1.3 0.00014851505000000001 0.0896 AML other m 2020-02-01T16:18:05.82
IV.RM33.HNE. ML:1.3 0.00015508729999999998 0.128 AML other m 2020-02-01T16:18:06.20
IV.RM33.EHE. ML:1.3 0.00016812665 0.1152 AML other m 2020-02-01T16:18:06.15
IV.GAVE.EHN. ML:1.5 0.00014901465 0.2176 AML other m 2020-02-01T16:18:07.43
IV.TERO.HHN. ML:1.4 0.000111985495 0.0768 AML other m 2020-02-01T16:18:08.40
IV.GAVE.EHE. ML:1.4 0.00012024072499999999 0.192 AML other m 2020-02-01T16:18:08.65
IV.TERO.HHE. ML:1.2 0.000074756855 0.0768 AML other m 2020-02-01T16:18:09.43
IV.GAVE.HNE. ML:1.4 0.0001303862 0.192 AML other m 2020-02-01T16:18:09.44
IV.GIGS.HHN. ML:0.4 0.000012335846 0.1024 AML other m 2020-02-01T16:18:10.97
IV.GIGS.HHE. ML:0.6 0.000014044449000000001 0.064 AML other m 2020-02-01T16:18:11.94
IV.MF5.EHE. ML:1.2 0.00005302642 0.3584 AML other m 2020-02-01T16:18:12.42
IV.MF5.EHN. ML:1.1 0.000041043175 0.32 AML other m 2020-02-01T16:18:12.93
IV.FDMO.HHN. ML:0.8 0.000018319455 0.3072 AML other m 2020-02-01T16:18:16.73
IV.FDMO.HHE. ML:0.8 0.000018970435 0.2432 AML other m 2020-02-01T16:18:16.91
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