Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 10-05-2020 and time 19:27:36 (UTC) in region 5 km N Accumoli (RI)

A magnitude ML 1.5 earthquake occured in region: 5 km N Accumoli (RI), on

  • 10-05-2020 19:27:36 (UTC)
  • 10-05-2020 21:27:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7430, 13.2310 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 5 667 667
Arquata del Tronto AP 6 1178 1845
Norcia PG 13 4957 6802
Amatrice RI 13 2657 9459
Montegallo AP 14 523 9982
Acquasanta Terme AP 15 2916 12898
Cittareale RI 15 482 13380
Cascia PG 18 3217 16597
Castelsantangelo sul Nera MC 18 281 16878
Montemonaco AP 19 604 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
46 Km NW of L'Aquila (69753 inhabitants)
49 Km E of Foligno (57155 inhabitants)
52 Km E of Terni (111501 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
80 Km SE of Perugia (166134 inhabitants)
86 Km W of Pescara (121014 inhabitants)
88 Km NW of Chieti (51815 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
99 Km E of Viterbo (67173 inhabitants)
100 Km S of Ancona (100861 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 1.5 2020-05-10
19:27:36		 42.7428 13.2312 11 2020-11-19
12:36:46		 Bollettino Sismico Italiano INGV 79682091
Reviewed
Rev100 		ML 1.5 2020-05-10
19:27:36		 42.7432 13.2302 10 2020-05-10
19:31:45		 Sala Sismica INGV-Roma 79024921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-10 19:27:36 ± 0.06
Latitude 42.7428 ± 0.0027
Longitude 13.2312 ± 0.0049
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 79682091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 388
Semi-minor axis of confidence ellipse (meter) 94
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.11511
Epicentral distance of station farthest from the epicenter (degree) 0.41639
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 79682091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-20 11:01:42

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 79024921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-10 19:31:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PF6.EHN. 2020-05-10T19:27:51.02 0.3 undecidable manual S 356 43.9227 50 0.07 71
IV.MML1.HNE. 2020-05-10T19:27:51.56 0.3 undecidable manual S 333 46.2204 50 0 71
IV.ARRO.EHZ. 2020-05-10T19:27:50.80 0.3 undecidable manual S 245 42.1245 50 0.33 67
IV.GIGS.HHN. 2020-05-10T19:27:50.16 0.3 undecidable manual S 139 42.5241 50 -0.43 66
IV.SAP2.EHE. 2020-05-10T19:27:50.67 0.3 undecidable manual S 19 41.5251 50 0.35 67
IV.CSP1.EHZ. 2020-05-10T19:27:49.63 0.1 undecidable manual S 357 38.7279 50 0.06 95
IV.GUMA.HNN. 2020-05-10T19:27:49.81 0.3 undecidable manual S 13 36.4413 50 0.85 57
IV.CESI.HHZ. 2020-05-10T19:27:49.70 0.1 undecidable manual S 318 39.3273 50 -0.03 96
IV.FDMO.HHZ. 2020-05-10T19:27:48.00 0.1 undecidable manual S 340 34.6431 50 -0.46 88
IV.MF5.EHZ. 2020-05-10T19:27:48.48 0.1 undecidable manual S 34 32.9448 50 0.46 88
IT.MTCL.HGZ. 2020-05-10T19:27:47.82 0.3 undecidable manual S 326 33.6441 50 -0.38 67
IV.TERO.HHZ. 2020-05-10T19:27:47.64 0.1 undecidable manual S 114 33.2445 50 -0.45 89
IV.CAMP.HHE. 2020-05-10T19:27:46.20 0.1 undecidable manual S 148 27.1506 50 -0.28 93
IV.FEMA.HNE. 2020-05-10T19:27:46.62 0.3 undecidable manual S 329 28.4493 50 -0.2 71
IV.RM33.EHZ. 2020-05-10T19:27:46.34 0.3 undecidable manual S 183 25.9518 50 0.18 95
IV.MML1.HNE. 2020-05-10T19:27:45.18 0.3 undecidable manual P 333 46.2204 50 -0.08 70
IV.PF6.EHN. 2020-05-10T19:27:45.19 0.3 undecidable manual P 356 43.9227 50 0.28 68
IV.LNSS.HHZ. 2020-05-10T19:27:45.12 0.1 undecidable manual S 225 21.9669 50 0.02 99
IV.CESI.HHZ. 2020-05-10T19:27:44.05 0.1 positive manual P 318 39.3273 50 -0.16 93
IV.GIGS.HHN. 2020-05-10T19:27:44.46 0.3 undecidable manual P 139 42.5241 50 -0.24 68
IV.SAP2.EHE. 2020-05-10T19:27:44.98 0.3 undecidable manual P 19 41.5251 50 0.43 66
IV.ARRO.EHZ. 2020-05-10T19:27:44.80 0.3 undecidable manual P 245 42.1245 50 0.17 69
IV.GUMA.HNN. 2020-05-10T19:27:44.46 0.3 undecidable manual P 13 36.4413 50 0.7 60
IV.MC2.EHZ. 2020-05-10T19:27:44.18 0.1 undecidable manual S 350 18.9699 119 -0.03 99
IV.FDMO.HHZ. 2020-05-10T19:27:43.27 0.1 undecidable manual P 340 34.6431 50 -0.2 93
IV.MF5.EHZ. 2020-05-10T19:27:43.59 0.1 negative manual P 34 32.9448 50 0.38 90
IV.CSP1.EHZ. 2020-05-10T19:27:43.99 1.0 positive manual P 357 38.7279 50 -0.13 94
IV.MMO1.EHZ. 2020-05-10T19:27:43.96 0.1 undecidable manual S 24 18.9699 119 -0.26 95
IT.MTCL.HGZ. 2020-05-10T19:27:43.05 0.3 undecidable manual P 326 33.6441 50 -0.28 69
IV.FEMA.HNE. 2020-05-10T19:27:42.47 0.3 undecidable manual P 329 28.4493 50 -0.06 73
IV.TERO.HHZ. 2020-05-10T19:27:42.99 0.1 undecidable manual P 114 33.2445 50 -0.27 92
IV.CAMP.HHE. 2020-05-10T19:27:42.18 0.1 positive manual P 148 27.1506 50 -0.15 95
IV.T1299.HNN. 2020-05-10T19:27:42.83 0.1 undecidable manual S 161 12.7761 130 0.41 93
IV.MTRA.EHZ. 2020-05-10T19:27:42.45 0.1 undecidable manual S 83 13.5753 128 -0.18 97
IV.RM33.EHZ. 2020-05-10T19:27:42.28 0.1 undecidable manual P 183 25.9518 50 0.13 96
IV.NRCA.HNZ. 2020-05-10T19:27:42.49 0.1 undecidable manual S 317 13.875 127 -0.22 96
IV.LNSS.HHZ. 2020-05-10T19:27:41.55 0.1 undecidable manual P 225 21.9669 50 0.01 99
IV.MC2.EHZ. 2020-05-10T19:27:40.99 0.1 negative manual P 350 18.9699 119 -0.03 99
IV.NRCA.HNZ. 2020-05-10T19:27:40.19 0.1 undecidable manual P 317 13.875 127 0.03 100
IV.MMO1.EHZ. 2020-05-10T19:27:40.91 0.1 undecidable manual P 24 18.9699 119 -0.12 97
IV.T1299.HNN. 2020-05-10T19:27:40.35 0.1 undecidable manual P 161 12.7761 130 0.37 93
IV.MTRA.EHZ. 2020-05-10T19:27:40.15 0.1 positive manual P 83 13.5753 128 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.1 0.001355 0.18 AML other m 2020-05-10T19:27:42.55
IV.NRCA.HNE. ML:2.1 0.00127 0.18 AML other m 2020-05-10T19:27:42.55
IV.NRCA.HHN. ML:2.1 0.0012900000000000001 0.1 AML other m 2020-05-10T19:27:42.60
IV.NRCA.HNN. ML:2.0 0.001137 0.1 AML other m 2020-05-10T19:27:42.61
IV.MTRA.HNE. ML:1.7 0.000463 0.26 AML other m 2020-05-10T19:27:42.56
IV.MTRA.EHE. ML:1.7 0.000488 0.26 AML other m 2020-05-10T19:27:42.56
IV.LNSS.HHN. ML:1.3 0.0001375 0.22 AML other m 2020-05-10T19:27:45.30
IV.RM33.EHE. ML:1.0 0.0000583 0.48 AML other m 2020-05-10T19:27:46.80
IV.MTRA.HNN. ML:1.6 0.0003737975 0.3584 AML other m 2020-05-10T19:27:42.85
IV.MTRA.EHN. ML:1.6 0.0003633683 0.3584 AML other m 2020-05-10T19:27:43.03
IV.LNSS.HHE. ML:1.2 0.00009350242 0.448 AML other m 2020-05-10T19:27:45.44
IV.RM33.EHN. ML:0.8 0.000033573515 0.1664 AML other m 2020-05-10T19:27:46.60
IV.CESI.HHE. ML:1.1 0.00004017888 0.6528 AML other m 2020-05-10T19:27:50.15
IV.CESI.HHN. ML:1.3 0.00007123913499999999 0.2944 AML other m 2020-05-10T19:27:50.32
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