Earthquake with magnitude of ML 1.3 on date 02-04-2020 and time 23:50:08 (UTC) in region 4 km W Accumoli (RI)

A magnitude ML 1.3 earthquake occured in region: 4 km W Accumoli (RI), on

  • 02-04-2020 23:50:08 (UTC)
  • 03-04-2020 01:50:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7060, 13.2020 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 4 667 667
Cittareale RI 10 482 1149
Arquata del Tronto AP 11 1178 2327
Amatrice RI 11 2657 4984
Norcia PG 13 4957 9941
Cascia PG 15 3217 13158
Acquasanta Terme AP 18 2916 16074
Montegallo AP 19 523 16597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
48 Km E of Terni (111501 inhabitants)
49 Km SE of Foligno (57155 inhabitants)
80 Km SE of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km W of Chieti (51815 inhabitants)
89 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 1.3 2020-04-02
23:50:08
42.7063 13.2017 11 2020-07-18
21:08:41
Bollettino Sismico Italiano INGV 80367931
Reviewed
Rev100
ML 1.5 2020-04-02
23:50:08
42.7072 13.2012 11 2020-04-02
23:54:24
Sala Sismica INGV-Roma 77806001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-02 23:50:08 ± 0.04
Latitude 42.7063 ± 0.0018
Longitude 13.2017 ± 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 80367931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 270
Semi-minor axis of confidence ellipse (meter) 229
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47394
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 77806001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-02 23:54:24

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 80367931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-21 08:44:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2020-04-02T23:50:18.02 0.6 undecidable manual P 282 52.6029 50 -0.06 47
IV.MMO1.EHZ. 2020-04-02T23:50:17.30 0.3 undecidable manual S 25 23.6541 50 -0.08 73
IV.MC2.EHZ. 2020-04-02T23:50:17.42 0.3 undecidable manual S 357 22.755 50 0.29 70
IV.CESX.HHZ. 2020-04-02T23:50:17.72 0.6 undecidable manual P 258 51.3153 50 -0.18 46
IV.RM33.EHZ. 2020-04-02T23:50:16.80 0.3 undecidable manual S 177 21.9669 50 -0.11 73
IV.GUMA.HHZ. 2020-04-02T23:50:16.61 0.3 undecidable manual P 15 41.0256 50 0.31 68
IV.CESI.HHZ. 2020-04-02T23:50:16.26 0.1 positive manual P 324 41.0256 50 -0.05 95
IV.CSP1.EHZ. 2020-04-02T23:50:16.57 0.6 undecidable manual P 0 42.7239 50 -0.01 48
IV.MF5.EHZ. 2020-04-02T23:50:16.13 0.6 undecidable manual P 34 37.629 50 0.35 45
IV.GIGS.HHZ. 2020-04-02T23:50:16.34 3.0 positive manual P -0.12 0
IV.ARRO.EHZ. 2020-04-02T23:50:15.79 0.3 undecidable manual P 249 38.2284 50 -0.1 71
IV.FDMO.HHZ. 2020-04-02T23:50:15.78 0.6 negative manual P 346 37.7289 50 -0.03 48
IV.MTRA.EHZ. 2020-04-02T23:50:15.15 0.3 undecidable manual S 71 16.872 123 -0.32 71
IV.LNSS.HHZ. 2020-04-02T23:50:15.65 0.3 undecidable manual S 229 17.4714 122 -0.01 75
IV.SMA1.EHZ. 2020-04-02T23:50:14.57 0.3 undecidable manual S 128 13.7751 128 -0.03 75
IV.NRCA.HHZ. 2020-04-02T23:50:14.88 0.3 undecidable manual S 333 15.7731 124 -0.29 71
IV.TERO.HHZ. 2020-04-02T23:50:14.95 0.6 undecidable manual P 106 34.1436 50 -0.29 46
IV.CAMP.HHZ. 2020-04-02T23:50:13.77 0.3 positive manual P 138 25.3524 50 -0.13 72
IV.RM33.EHZ. 2020-04-02T23:50:13.32 0.1 positive manual P 177 21.9669 50 -0.05 99
IV.MMO1.EHZ. 2020-04-02T23:50:13.55 0.1 positive manual P 25 23.6541 50 -0.09 97
IV.T1299.HNN. 2020-04-02T23:50:13.87 0.3 undecidable manual S 141 10.3785 136 0.15 74
IV.MC2.EHZ. 2020-04-02T23:50:13.62 0.3 undecidable manual P 357 22.755 50 0.12 73
IV.LNSS.HHZ. 2020-04-02T23:50:12.70 0.1 positive manual P 229 17.4714 122 0.06 99
IV.SMA1.EHZ. 2020-04-02T23:50:12.15 0.1 positive manual P 128 13.7751 128 0.11 99
IV.NRCA.HHZ. 2020-04-02T23:50:12.40 0.1 negative manual P 333 15.7731 124 0.04 100
IV.MTRA.EHZ. 2020-04-02T23:50:12.48 0.1 positive manual P 71 16.872 123 -0.06 99
IV.T1299.HNN. 2020-04-02T23:50:11.81 0.1 undecidable manual P 141 10.3785 136 0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.6 0.0004265 0.94 AML other m 2020-04-02T23:50:15.02
IV.SMA1.EHE. ML:1.6 0.0004435 0.7 AML other m 2020-04-02T23:50:16.07
IV.ARRO.EHE. ML:1.1 0.0000454 0.26 AML other m 2020-04-02T23:50:16.14
IV.RM33.EHE. ML:1.5 0.00020800000000000001 0.56 AML other m 2020-04-02T23:50:16.59
IV.RM33.HNN. ML:1.5 0.000195 1.52 AML other m 2020-04-02T23:50:17.95
IV.RM33.EHN. ML:1.4 0.00016399999999999997 0.68 AML other m 2020-04-02T23:50:17.13
IV.CAMP.HHN. ML:0.9 0.00004445 0.68 AML other m 2020-04-02T23:50:17.56
IV.CAMP.HHE. ML:1.1 0.00006785000000000001 1.22 AML other m 2020-04-02T23:50:18.67
IV.RM33.HNE. ML:1.7 0.00033600000000000004 0.48 AML other m 2020-04-02T23:50:18.34
IV.TERO.HHN. ML:1.6 0.000163 0.08 AML other m 2020-04-02T23:50:20.39
IV.TERO.HHE. ML:1.6 0.000156 0.52 AML other m 2020-04-02T23:50:20.61
IV.GIGS.HHE. ML:0.7 0.000017250000000000003 1.34 AML other m 2020-04-02T23:50:21.12
IV.FDMO.HHN. ML:1.1 0.0000506 0.42 AML other m 2020-04-02T23:50:22.74
IV.CESI.HHE. ML:1.2 0.0000518 1.04 AML other m 2020-04-02T23:50:23.00
IV.ARRO.EHN. ML:1.3 0.00007275 1.1 AML other m 2020-04-02T23:50:23.94
IV.GIGS.HHN. ML:0.8 0.000017500000000000002 0.62 AML other m 2020-04-02T23:50:23.96
IV.FDMO.HHE. ML:1.1 0.00005005 0.62 AML other m 2020-04-02T23:50:24.41
IV.CESI.HHN. ML:1.5 0.00011350000000000001 0.48 AML other m 2020-04-02T23:50:24.45
IV.CSP1.EHE. ML:1.4 0.000078 1.42 AML other m 2020-04-02T23:50:25.20
IV.CSP1.EHN. ML:1.1 0.00004195 1.36 AML other m 2020-04-02T23:50:26.95
IV.MOMA.HHE. ML:1.6 0.00009085 0.16 AML other m 2020-04-02T23:50:27.60
IV.MOMA.HHN. ML:1.5 0.00007539999999999999 0.98 AML other m 2020-04-02T23:50:27.83
IV.CESX.HHN. ML:1.1 0.0000354 0.76 AML other m 2020-04-02T23:50:28.95
IV.CESX.HHE. ML:1.1 0.00003015 0.66 AML other m 2020-04-02T23:50:31.54
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