Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 27-05-2022 and time 19:13:26 (Italy) in region 6 km W Arquata del Tronto (AP)

A magnitude ML 1.0 earthquake occured in region: 6 km W Arquata del Tronto (AP), on

  • 27-05-2022 17:13:26 (UTC)
  • 27-05-2022 19:13:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7870, 13.2250 at 10 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.

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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
Arquata del Tronto AP 6 1178 1178
Accumoli RI 10 667 1845
Norcia PG 11 4957 6802
Montegallo AP 11 523 7325
Castelsantangelo sul Nera MC 13 281 7606
Acquasanta Terme AP 15 2916 10522
Montemonaco AP 15 604 11126
Amatrice RI 18 2657 13783
Preci PG 18 724 14507
Cascia PG 19 3217 17724
Ussita MC 19 444 18168
Cittareale RI 19 482 18650
Visso MC 20 1107 19757
Montefortino FM 20 1178 20935

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
50 Km N of L'Aquila (69753 inhabitants)
53 Km E of Terni (111501 inhabitants)
77 Km E of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
91 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)
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 1.0 2022-05-27
17:13:26		 42.787 13.2248 10 2022-05-27
17:18:25		 Sala Sismica INGV-Roma 105227131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-27 17:13:26 ± 0.05
Latitude 42.7870 ± 0.0027
Longitude 13.2248 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 105227131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 29
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
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) 84
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.09353
Epicentral distance of station farthest from the epicenter (degree) 0.42088
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 105227131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-27 17:18:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIGS.HHZ. 2022-05-27T17:13:41.48 0.6 undecidable manual S 142 46.7199 50 -0.09 47
IV.MML1.EHZ. 2022-05-27T17:13:40.42 0.6 undecidable manual S 331 41.625 50 0.2 47
IV.CSP1.EHZ. 2022-05-27T17:13:38.06 0.6 undecidable manual S 357 33.8439 50 -0.09 48
IV.CESI.HHZ. 2022-05-27T17:13:38.55 0.6 undecidable manual S 313 35.5422 50 -0.04 49
IV.TERO.HHZ. 2022-05-27T17:13:38.20 0.6 undecidable manual S 120 35.8419 50 -0.48 44
IV.MF5.EHZ. 2022-05-27T17:13:37.47 0.6 undecidable manual S 41 29.3484 50 0.53 44
IV.LNSS.HHZ. 2022-05-27T17:13:35.86 0.6 undecidable manual S 216 25.3524 50 -0.02 50
IV.GIGS.HHZ. 2022-05-27T17:13:35.27 1.0 undecidable manual P 142 46.7199 50 0.1 24
IV.SMA1.EHZ. 2022-05-27T17:13:34.22 0.6 undecidable manual S 153 19.5693 117 0.15 49
IV.MML1.EHZ. 2022-05-27T17:13:34.33 1.0 undecidable manual P 331 41.625 50 -0.07 24
IV.CESI.HHZ. 2022-05-27T17:13:33.23 1.0 undecidable manual P 313 35.5422 50 -0.22 23
IV.TERO.HHZ. 2022-05-27T17:13:33.58 0.6 undecidable manual P 120 35.8419 50 0.07 48
IV.CSP1.EHZ. 2022-05-27T17:13:33.04 1.0 undecidable manual P 357 33.8439 50 -0.16 24
IV.FDMO.HHZ. 2022-05-27T17:13:32.39 0.6 undecidable manual P 338 29.8479 50 -0.19 48
IV.RM33.EHZ. 2022-05-27T17:13:32.56 1.0 undecidable manual P 182 30.8469 50 -0.17 24
IV.MMO1.EHZ. 2022-05-27T17:13:32.35 0.6 undecidable manual S 34 14.9739 124 -0.35 47
IV.MF5.EHZ. 2022-05-27T17:13:32.77 1.0 undecidable manual P 41 29.3484 50 0.27 23
IV.LNSS.HHZ. 2022-05-27T17:13:31.94 0.3 undecidable manual P 216 25.3524 50 0.05 74
IV.NRCA.HHZ. 2022-05-27T17:13:31.28 0.6 undecidable manual S 300 10.3785 134 -0.18 49
IV.SMA1.EHZ. 2022-05-27T17:13:31.02 0.6 undecidable manual P 153 19.5693 117 0.18 49
IV.MC2.EHZ. 2022-05-27T17:13:30.09 1.0 positive manual P 348 14.0748 126 0.18 25
IV.MMO1.EHZ. 2022-05-27T17:13:30.00 1.0 undecidable manual P 34 14.9739 124 -0.05 25
IV.MTRA.EHZ. 2022-05-27T17:13:30.03 0.6 undecidable manual P 103 14.3745 125 0.08 50
IV.NRCA.HHZ. 2022-05-27T17:13:29.45 0.1 undecidable manual P 300 10.3785 134 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.9 0.0009725000000000001 0.16 AML other m 2022-05-27T17:13:31.32
IV.NRCA.HNE. ML:1.9 0.0009545 0.16 AML other m 2022-05-27T17:13:31.32
IV.NRCA.HHN. ML:1.8 0.0007664999999999999 0.42 AML other m 2022-05-27T17:13:31.54
IV.NRCA.HNN. ML:1.7 0.0006535 0.66 AML other m 2022-05-27T17:13:31.80
IV.MMO1.EHN. ML:1.4 0.000221 0.14 AML other m 2022-05-27T17:13:32.51
IV.MMO1.EHE. ML:1.3 0.00017999999999999998 0.32 AML other m 2022-05-27T17:13:32.52
IV.SMA1.EHN. ML:0.6 0.0000298 1.1 AML other m 2022-05-27T17:13:35.35
IV.LNSS.HHE. ML:1.2 0.0000837 0.16 AML other m 2022-05-27T17:13:36.31
IV.SMA1.EHE. ML:0.7 0.000033299999999999996 0.86 AML other m 2022-05-27T17:13:36.91
IV.LNSS.HHN. ML:1.2 0.0000839 0.16 AML other m 2022-05-27T17:13:36.80
IV.FDMO.HHN. ML:0.5 0.00001645 1.32 AML other m 2022-05-27T17:13:37.95
IV.FDMO.HHE. ML:0.5 0.00001745 0.94 AML other m 2022-05-27T17:13:37.95
IV.CESI.HHE. ML:0.9 0.000027899999999999997 0.2 AML other m 2022-05-27T17:13:38.81
IV.CESI.HHN. ML:1.1 0.00005595 0.3 AML other m 2022-05-27T17:13:38.99
IV.TERO.HHN. ML:0.9 0.00003145 1.64 AML other m 2022-05-27T17:13:39.97
IV.TERO.HHE. ML:0.8 0.000027249999999999998 0.16 AML other m 2022-05-27T17:13:40.09
IV.MML1.EHE. ML:0.7 0.00001565 0.76 AML other m 2022-05-27T17:13:40.98
IV.MML1.EHN. ML:0.8 0.000019900000000000003 0.18 AML other m 2022-05-27T17:13:41.02
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