Earthquake with magnitude of ML 0.8 on date 14-08-2022 and time 09:37:49 (Italy) in region 4 km W Amatrice (RI)

A magnitude ML 0.8 earthquake occured in region: 4 km W Amatrice (RI), on

  • 14-08-2022 07:37:49 (UTC)
  • 14-08-2022 09:37:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6110, 13.2410 at 14 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
Amatrice RI 5 2657 2657
Cittareale RI 7 482 3139
Montereale AQ 10 2581 5720
Accumoli RI 10 667 6387
Capitignano AQ 11 665 7052
Campotosto AQ 12 542 7594
Borbona RI 14 617 8211
Posta RI 15 694 8905
Cagnano Amiterno AQ 17 1369 10274
Barete AQ 18 737 11011
Arquata del Tronto AP 19 1178 12189
Pizzoli AQ 20 4326 16515

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km NE of Tivoli (56533 inhabitants)
81 Km W of Chieti (51815 inhabitants)
81 Km W of Pescara (121014 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
96 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 2022-08-14
07:37:49
42.6108 13.2412 14 2022-08-14
07:51:08
Sala Sismica INGV-Roma 108514921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-14 07:37:49 ± 0.35
Latitude 42.6108 ± 0.0126
Longitude 13.2412 ± 0.0134
Depth (km) 14 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 108514921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1109
Semi-minor axis of confidence ellipse (meter) 841
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 321
Circular confidence region, given by single value of horizontal uncertainty (meter) 1110.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.10342
Epicentral distance of station farthest from the epicenter (degree) 0.91281
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 108514921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-14 07:51:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2022-08-14T07:38:06.02 0.6 undecidable manual P 346 101.3208 92 -0.75 37
IV.TERO.HHZ. 2022-08-14T07:38:00.10 0.6 undecidable manual S 87 29.6481 100 -0.06 50
IV.NRCA.HHZ. 2022-08-14T07:37:59.78 0.3 undecidable manual S 337 26.751 102 0.37 70
IV.MTRA.HNE. 2022-08-14T07:37:58.01 0.6 undecidable manual S 38 20.5683 109 0.2 49
IV.TERO.HHZ. 2022-08-14T07:37:56.08 0.3 undecidable manual P 87 29.6481 100 0.33 71
IV.NRCA.HHZ. 2022-08-14T07:37:55.13 0.6 undecidable manual P 337 26.751 102 -0.19 49
IV.RM33.EHZ. 2022-08-14T07:37:55.37 0.6 undecidable manual S 191 11.4774 130 -0.33 49
IV.RM33.EHZ. 2022-08-14T07:37:53.36 0.1 undecidable manual P 191 11.4774 130 0.19 100
IV.MTRA.HNE. 2022-08-14T07:37:53.90 0.6 undecidable manual P 38 20.5683 109 -0.49 47
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.8 0.00006345000000000001 0.14 AML other m 2022-08-14T07:37:55.66
IV.RM33.EHE. ML:0.7 0.000045700000000000006 0.92 AML other m 2022-08-14T07:37:56.14
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