Earthquake with magnitude of ML 0.8 on date 10-05-2023 and time 09:00:33 (UTC) in region 7 km W Arquata del Tronto (AP)

A magnitude ML 0.8 earthquake occured in region: 7 km W Arquata del Tronto (AP), on

  • 10-05-2023 09:00:33 (UTC)
  • 10-05-2023 11:00:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7960, 13.2120 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Accumoli RI 12 667 7325
Castelsantangelo sul Nera MC 12 281 7606
Montemonaco AP 15 604 8210
Acquasanta Terme AP 16 2916 11126
Preci PG 17 724 11850
Ussita MC 18 444 12294
Visso MC 18 1107 13401
Cascia PG 18 3217 16618
Amatrice RI 19 2657 19275
Montefortino FM 20 1178 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 NW of L'Aquila (69753 inhabitants)
53 Km NE of Terni (111501 inhabitants)
75 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)
95 Km S of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NE of Tivoli (56533 inhabitants)
100 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
Reviewed
Rev100
ML 0.8 2023-05-10
09:00:33
42.7957 13.2118 9 2023-05-10
09:16:30
Sala Sismica INGV-Roma 117210711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-10 09:00:33 ± 0.07
Latitude 42.7957 ± 0.0036
Longitude 13.2118 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117210711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 325
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
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) 85
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.33545
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 117210711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-10 09:16:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-05-10T09:00:45.35 0.6 undecidable manual S 359 32.8449 50 0.18 46
IV.TERO.HHZ. 2023-05-10T09:00:45.97 0.3 undecidable manual S 121 37.2294 50 -0.38 66
IV.RM33.EHZ. 2023-05-10T09:00:44.60 0.6 undecidable manual S 180 31.8459 50 -0.29 45
IV.FDMO.HHZ. 2023-05-10T09:00:44.05 0.6 undecidable manual S 339 28.5492 108 0.06 48
IV.LNSS.HHZ. 2023-05-10T09:00:43.11 0.6 undecidable manual S 213 25.5522 110 0.11 48
IV.TERO.HHZ. 2023-05-10T09:00:41.38 0.1 undecidable manual P 121 37.2294 50 0.44 87
IV.SMA1.EHZ. 2023-05-10T09:00:41.12 0.6 undecidable manual S 151 20.868 114 -0.39 45
IV.MTRA.HNZ. 2023-05-10T09:00:40.04 0.6 undecidable manual S 106 15.6732 121 0.15 48
IV.CSP1.EHZ. 2023-05-10T09:00:40.13 0.6 positive manual P 359 32.8449 50 -0.13 47
IV.LNSS.HHZ. 2023-05-10T09:00:39.18 0.6 undecidable manual P 213 25.5522 110 0.17 47
IV.RM33.EHZ. 2023-05-10T09:00:39.99 1.0 negative manual P 180 31.8459 50 -0.11 24
IV.MMO1.HNZ. 2023-05-10T09:00:39.73 0.6 undecidable manual S 39 14.874 122 0.09 49
IV.FDMO.HHZ. 2023-05-10T09:00:38.65 1.0 positive manual P 339 28.5492 108 -0.93 18
7F.SIB2.EHZ. 2023-05-10T09:00:38.94 0.6 undecidable manual S 35 12.9759 126 -0.17 48
IV.SMA1.EHZ. 2023-05-10T09:00:38.28 1.0 negative manual P 151 20.868 114 0.13 24
IV.NRCA.HHZ. 2023-05-10T09:00:37.95 0.6 undecidable manual S 298 8.9799 136 -0.11 49
IV.MMO1.HNZ. 2023-05-10T09:00:37.19 0.1 undecidable manual P 39 14.874 122 0.12 97
IV.MTRA.HNZ. 2023-05-10T09:00:37.41 0.1 undecidable manual P 106 15.6732 121 0.2 95
7F.SIB3.EHZ. 2023-05-10T09:00:37.92 0.6 undecidable manual S 28 9.9789 133 -0.39 46
7F.SIB3.EHZ. 2023-05-10T09:00:36.31 0.1 undecidable manual P 28 9.9789 133 0.01 100
IV.NRCA.HHZ. 2023-05-10T09:00:36.22 0.1 positive manual P 298 8.9799 136 0.06 99
7F.SIB2.EHZ. 2023-05-10T09:00:36.76 0.1 undecidable manual P 35 12.9759 126 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:0.9 0.00003765 0.92 AML other m 2023-05-10T09:00:45.15
IV.RM33.EHN. ML:0.9 0.00004185 1.32 AML other m 2023-05-10T09:00:45.27
IV.SMA1.EHE. ML:0.8 0.0000467 0.66 AML other m 2023-05-10T09:00:48.35
IV.SMA1.EHN. ML:0.9 0.00005715 0.62 AML other m 2023-05-10T09:00:48.87
IV.FDMO.HHE. ML:0.5 0.0000145414 0.16 AML other m 2023-05-10T09:00:44.20
IV.FDMO.HHN. ML:0.6 0.000019104375 0.1344 AML other m 2023-05-10T09:00:44.29
IV.LNSS.HHE. ML:0.8 0.000037155855000000005 0.1216 AML other m 2023-05-10T09:00:44.45
IV.LNSS.HHN. ML:0.8 0.000036004755 0.3392 AML other m 2023-05-10T09:00:47.35
IV.TERO.HHE. ML:0.6 0.000017181195 0.1216 AML other m 2023-05-10T09:00:46.41
IV.TERO.HHN. ML:0.9 0.000029900894999999997 0.0832 AML other m 2023-05-10T09:00:46.46
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