Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 19-07-2022 and time 12:16:21 (UTC) in region 9 km S Acquasanta Terme (AP)

A magnitude ML 1.0 earthquake occured in region: 9 km S Acquasanta Terme (AP), on

  • 19-07-2022 12:16:21 (UTC)
  • 19-07-2022 14:16:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6890, 13.3840 at 8 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
Acquasanta Terme AP 9 2916 2916
Amatrice RI 10 2657 5573
Valle Castellana TE 11 977 6550
Accumoli RI 11 667 7217
Arquata del Tronto AP 12 1178 8395
Rocca Santa Maria TE 12 537 8932
Cortino TE 13 656 9588
Campotosto AQ 15 542 10130
Crognaleto TE 18 1297 11427
Montegallo AP 18 523 11950
Fano Adriano TE 20 296 12246
Cittareale RI 20 482 12728
Capitignano AQ 20 665 13393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Teramo (54892 inhabitants)
38 Km N of L'Aquila (69753 inhabitants)
62 Km E of Terni (111501 inhabitants)
63 Km E of Foligno (57155 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
72 Km W of Pescara (121014 inhabitants)
74 Km NW of Chieti (51815 inhabitants)
93 Km SE of Perugia (166134 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
94 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 2022-07-19
12:16:21		 42.6893 13.3838 8 2022-07-19
12:24:34		 Sala Sismica INGV-Roma 107448871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-19 12:16:21 ± 0.15
Latitude 42.6893 ± 0.0036
Longitude 13.3838 ± 0.0061
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 107448871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 499
Semi-minor axis of confidence ellipse (meter) 95
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 252
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 0.42358
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 107448871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-19 12:24:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2022-07-19T12:16:33.84 0.1 undecidable manual S 11 33.6441 103 0.41 91
IV.GIGS.HHZ. 2022-07-19T12:16:32.20 0.1 undecidable manual S 149 30.4473 104 -0.12 97
IV.RM33.EHZ. 2022-07-19T12:16:30.47 0.1 undecidable manual S 215 24.3534 108 0.18 97
IV.NRCA.HHZ. 2022-07-19T12:16:30.88 0.1 undecidable manual S 306 27.1506 106 -0.36 93
IV.CSP1.EHZ. 2022-07-19T12:16:30.82 1.0 undecidable manual P 342 47.0196 50 0.31 23
IV.CAMP.HHZ. 2022-07-19T12:16:28.28 0.3 undecidable manual S 173 17.1717 114 0.31 72
IV.TERO.HHZ. 2022-07-19T12:16:28.40 0.1 undecidable manual S 112 19.3695 112 -0.29 96
IV.MF5.EHZ. 2022-07-19T12:16:28.26 0.6 negative manual P 11 33.6441 103 -0.09 49
IV.GIGS.HHZ. 2022-07-19T12:16:27.46 0.6 undecidable manual P 149 30.4473 104 -0.26 47
IV.NRCA.HHZ. 2022-07-19T12:16:26.81 0.3 undecidable manual P 306 27.1506 106 -0.28 71
IV.RM33.EHZ. 2022-07-19T12:16:26.57 0.6 undecidable manual P 215 24.3534 108 0.03 50
IV.CAMP.HHZ. 2022-07-19T12:16:25.48 0.6 undecidable manual P 173 17.1717 114 0.28 48
IV.TERO.HHZ. 2022-07-19T12:16:25.57 0.6 undecidable manual P 112 19.3695 112 -0.05 50
IV.MTRA.EHZ. 2022-07-19T12:16:25.13 0.6 undecidable manual S 8 7.5813 136 -0.06 51
IV.MTRA.EHZ. 2022-07-19T12:16:23.78 0.1 positive manual P 8 7.5813 136 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:1.2 0.000283 0.32 AML other m 2022-07-19T12:16:25.41
IV.MTRA.EHN. ML:1.4 0.0003855 0.48 AML other m 2022-07-19T12:16:25.22
IV.TERO.HHN. ML:0.9 0.00006104999999999999 0.06 AML other m 2022-07-19T12:16:28.73
IV.TERO.HHE. ML:1.0 0.00007465000000000001 0.08 AML other m 2022-07-19T12:16:28.81
IV.RM33.EHE. ML:0.8 0.00003955 0.6 AML other m 2022-07-19T12:16:30.55
IV.RM33.EHN. ML:0.8 0.000037199999999999996 0.78 AML other m 2022-07-19T12:16:31.60
IV.NRCA.HHE. ML:1.1 0.00006975 0.06 AML other m 2022-07-19T12:16:31.20
IV.NRCA.HHN. ML:1.0 0.00006165 0.42 AML other m 2022-07-19T12:16:31.59
IV.GIGS.HHE. ML:0.9 0.00003915 0.18 AML other m 2022-07-19T12:16:32.32
IV.GIGS.HHN. ML:0.9 0.00003805 0.18 AML other m 2022-07-19T12:16:32.34
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