Earthquake with magnitude of ML 1.0 on date 27-09-2022 and time 11:46:13 (UTC) in region 5 km SW Amatrice (RI)

A magnitude ML 1.0 earthquake occured in region: 5 km SW Amatrice (RI), on

  • 27-09-2022 11:46:13 (UTC)
  • 27-09-2022 13:46:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5950, 13.2540 at 13 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
Amatrice RI 5 2657 2657
Montereale AQ 8 2581 5238
Cittareale RI 8 482 5720
Capitignano AQ 9 665 6385
Campotosto AQ 10 542 6927
Accumoli RI 11 667 7594
Borbona RI 14 617 8211
Posta RI 15 694 8905
Cagnano Amiterno AQ 15 1369 10274
Barete AQ 16 737 11011
Pizzoli AQ 18 4326 15337
Crognaleto TE 19 1297 16634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
80 Km W of Chieti (51815 inhabitants)
80 Km W of Pescara (121014 inhabitants)
91 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
Bulletin
Rev1000
ML 1.0 2022-09-27
11:46:13
42.5953 13.2542 13 2024-03-01
15:27:57
Bollettino Sismico Italiano INGV 110962171
Reviewed
Rev100
ML 1.0 2022-09-27
11:46:13
42.5848 13.2642 13 2022-09-27
11:50:42
Sala Sismica INGV-Roma 110215831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-27 11:46:13 ± 0.18
Latitude 42.5953 ± 0.0090
Longitude 13.2542 ± 0.0086
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110962171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 978
Semi-minor axis of confidence ellipse (meter) 310
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.06925
Epicentral distance of station farthest from the epicenter (degree) 0.27429
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 110215831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-27 11:50:42

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 110962171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-19 06:51:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHZ. 2022-09-27T11:46:20.83 0.1 undecidable manual S 273 17.4714 106 0.11 97
IV.GIGS.HHZ. 2022-09-27T11:46:19.67 0.1 undecidable manual P 121 30.4473 95 0.02 96
IV.SMA1.EHZ. 2022-09-27T11:46:18.47 0.1 undecidable manual S 59 7.6812 140 -0.04 100
IV.NRCA.HHE. 2022-09-27T11:46:18.95 0.1 undecidable manual P 337 28.749 96 -0.44 88
IV.RM33.EHZ. 2022-09-27T11:46:18.72 0.1 undecidable manual S 199 10.0788 129 -0.25 95
IV.LNSS.HHZ. 2022-09-27T11:46:17.89 0.1 undecidable manual P 273 17.4714 106 0.21 95
IV.RM33.EHZ. 2022-09-27T11:46:16.77 0.1 undecidable manual P 199 10.0788 129 0.1 98
IV.SMA1.EHZ. 2022-09-27T11:46:16.66 0.1 undecidable manual P 59 7.6812 140 0.26 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.0 0.000135 0.26 AML other m 2022-09-27T11:46:18.84
IV.RM33.EHN. ML:0.8 0.00006365606500000001 0.1984 AML other m 2022-09-27T11:46:18.88
IV.SMA1.EHE. ML:1.2 0.000182 1.86 AML other m 2022-09-27T11:46:18.94
IV.RM33.EHE. ML:0.8 0.00007212418500000001 0.1856 AML other m 2022-09-27T11:46:19.22
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