Earthquake with magnitude of ML 0.6 on date 10-05-2021 and time 20:20:13 (Italy) in region 7 km W Arquata del Tronto (AP)

A magnitude ML 0.6 earthquake occured in region: 7 km W Arquata del Tronto (AP), on

  • 10-05-2021 18:20:13 (UTC)
  • 10-05-2021 20:20:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8000, 13.2160 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
Arquata del Tronto AP 7 1178 1178
Norcia PG 10 4957 6135
Montegallo AP 11 523 6658
Castelsantangelo sul Nera MC 12 281 6939
Accumoli RI 12 667 7606
Montemonaco AP 14 604 8210
Acquasanta Terme AP 16 2916 11126
Preci PG 17 724 11850
Ussita MC 17 444 12294
Visso MC 18 1107 13401
Cascia PG 19 3217 16618
Montefortino FM 19 1178 17796
Amatrice RI 20 2657 20453

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
52 Km N of L'Aquila (69753 inhabitants)
54 Km NE of Terni (111501 inhabitants)
76 Km E of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
93 Km NW of Chieti (51815 inhabitants)
94 Km S of Ancona (100861 inhabitants)
98 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 0.6 2021-05-10
18:20:13
42.7998 13.2163 11 2021-12-29
11:12:25
Bollettino Sismico Italiano INGV 94997521
Reviewed
Rev100
ML 0.6 2021-05-10
18:20:13
42.8087 13.243 14 2021-05-10
18:25:53
Sala Sismica INGV-Roma 89972401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-10 18:20:13 ± 0.04
Latitude 42.7998 ± 0.0027
Longitude 13.2163 ± 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 94997521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 324
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
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) 65
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33545
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 94997521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-03 12:30:20

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 89972401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-10 18:25:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2021-05-10T18:21:10.42 3.0 undecidable manual Sg 6.28 0
IV.IOCA.HHZ. 2021-05-10T18:20:47.40 3.0 positive manual Pn 0.11 0
IV.COR1.EHZ. 2021-05-10T18:20:41.33 3.0 undecidable manual S 0.17 0
IV.PP3.EHZ. 2021-05-10T18:20:33.57 3.0 undecidable manual S -0.63 0
IV.LRP.EHZ. 2021-05-10T18:20:32.72 3.0 positive manual P -1.82 0
IV.TERO.HHZ. 2021-05-10T18:20:26.10 0.6 undecidable manual S 122 37.2294 50 -0.12 47
IV.CESI.HHZ. 2021-05-10T18:20:25.40 0.6 undecidable manual S 312 34.0437 50 0.02 49
IV.RM33.EHZ. 2021-05-10T18:20:25.10 0.6 undecidable manual S 180 32.2455 50 0.2 47
IV.CSP1.EHZ. 2021-05-10T18:20:24.80 0.6 undecidable manual S 358 32.4453 50 -0.14 48
IV.MF5.EHZ. 2021-05-10T18:20:24.80 0.6 undecidable manual S 43 28.749 50 0.84 39
IV.GAVE.EHZ. 2021-05-10T18:20:24.00 0.6 undecidable manual S 246 28.8489 50 0.01 49
IV.FDMO.HHZ. 2021-05-10T18:20:23.60 0.6 undecidable manual S 338 28.2495 50 -0.23 47
IV.LNSS.HNE. 2021-05-10T18:20:23.30 0.6 undecidable manual S 213 26.1516 50 0.03 49
IV.SMA1.EHZ. 2021-05-10T18:20:21.70 0.6 undecidable manual S 153 21.1677 50 -0.23 48
IV.T1299.HNN. 2021-05-10T18:20:21.50 0.3 undecidable manual S 164 19.1697 50 0.1 74
IV.RM33.EHZ. 2021-05-10T18:20:20.23 0.3 undecidable manual P 180 32.2455 50 0.01 73
IV.MTRA.EHZ. 2021-05-10T18:20:20.10 0.6 undecidable manual S 108 15.4734 125 -0.27 48
IV.TERO.HHZ. 2021-05-10T18:20:20.81 0.3 undecidable manual P 122 37.2294 50 -0.16 70
IV.MF5.EHZ. 2021-05-10T18:20:20.07 0.6 undecidable manual P 43 28.749 50 0.4 45
IV.CSP1.EHZ. 2021-05-10T18:20:20.01 0.1 undecidable manual P 358 32.4453 50 -0.23 93
IV.CESI.HHZ. 2021-05-10T18:20:20.32 0.3 undecidable manual P 312 34.0437 50 -0.17 71
IV.GAVE.EHZ. 2021-05-10T18:20:19.69 0.3 undecidable manual P 246 28.8489 50 0 74
IV.MMO1.EHZ. 2021-05-10T18:20:19.90 0.6 undecidable manual S 39 14.2746 128 -0.14 49
IV.LNSS.HNE. 2021-05-10T18:20:19.28 0.3 undecidable manual P 213 26.1516 50 0.01 74
IV.MC2.EHZ. 2021-05-10T18:20:19.80 0.3 undecidable manual S 350 12.5763 131 0.21 73
IV.FDMO.HHZ. 2021-05-10T18:20:19.36 0.3 undecidable manual P 338 28.2495 50 -0.24 70
IV.T1299.HNN. 2021-05-10T18:20:18.48 0.3 undecidable manual P 164 19.1697 50 0.29 71
IV.NRCA.HHZ. 2021-05-10T18:20:18.70 0.3 undecidable manual S 294 9.0798 140 -0.04 76
IV.SMA1.EHZ. 2021-05-10T18:20:18.40 0.3 undecidable manual P 153 21.1677 50 -0.1 73
IV.MC2.EHZ. 2021-05-10T18:20:17.28 0.1 undecidable manual P 350 12.5763 131 0.14 99
IV.MMO1.EHZ. 2021-05-10T18:20:17.35 0.1 undecidable manual P 39 14.2746 128 -0.05 100
IV.MTRA.EHZ. 2021-05-10T18:20:17.51 0.3 undecidable manual P 108 15.4734 125 -0.09 74
IV.NRCA.HHZ. 2021-05-10T18:20:16.76 0.1 undecidable manual P 294 9.0798 140 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.8 0.0007310000000000001 0.1 AML other m 2021-05-10T18:20:18.87
IV.NRCA.HHN. ML:1.8 0.00074 0.08 AML other m 2021-05-10T18:20:18.87
IV.MTRA.EHE. ML:0.8 0.0000621 0.66 AML other m 2021-05-10T18:20:20.42
IV.MTRA.EHN. ML:0.7 0.0000465 0.44 AML other m 2021-05-10T18:20:20.48
IV.SMA1.EHE. ML:0.3 0.000016630815 0.192 AML other m 2021-05-10T18:20:21.73
IV.SMA1.EHN. ML:0.3 0.0000150438325 0.1152 AML other m 2021-05-10T18:20:22.09
IV.RM33.EHN. ML:0.4 0.0000114281505 1.2832 AML other m 2021-05-10T18:20:24.72
IV.CESI.HHN. ML:0.7 0.0000211058 0.2432 AML other m 2021-05-10T18:20:25.83
IV.RM33.EHE. ML:0.5 0.00001379301 0.112 AML other m 2021-05-10T18:20:26.49
IV.TERO.HHN. ML:0.4 0.00001117413 0.0768 AML other m 2021-05-10T18:20:27.12
IV.TERO.HHE. ML:0.4 0.0000123110055 0.1152 AML other m 2021-05-10T18:20:27.16
IV.CESI.HHE. ML:0.6 0.00001295452 0.2432 AML other m 2021-05-10T18:20:27.95
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