Earthquake with magnitude of ML 0.8 on date 17-03-2023 and time 08:10:22 (UTC) in region 2 km SE Amatrice (RI)

A magnitude ML 0.8 earthquake occured in region: 2 km SE Amatrice (RI), on

  • 17-03-2023 08:10:22 (UTC)
  • 17-03-2023 09:10:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6120, 13.3060 at 11 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 2 2657 2657
Campotosto AQ 8 542 3199
Capitignano AQ 10 665 3864
Accumoli RI 10 667 4531
Montereale AQ 11 2581 7112
Cittareale RI 12 482 7594
Crognaleto TE 16 1297 8891
Cortino TE 17 656 9547
Borbona RI 18 617 10164
Barete AQ 18 737 10901
Arquata del Tronto AP 18 1178 12079
Cagnano Amiterno AQ 18 1369 13448
Acquasanta Terme AP 20 2916 16364
Pizzoli AQ 20 4326 20690
Posta RI 20 694 21384
Rocca Santa Maria TE 20 537 21921

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of L'Aquila (69753 inhabitants)
33 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
76 Km W of Pescara (121014 inhabitants)
76 Km W of Chieti (51815 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
93 Km SE of Perugia (166134 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 2023-03-17
08:10:22
42.6123 13.3063 11 2023-03-17
08:24:00
Sala Sismica INGV-Roma 115462041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-17 08:10:22 ± 0.12
Latitude 42.6123 ± 0.0072
Longitude 13.3063 ± 0.0098
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115462041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 900
Semi-minor axis of confidence ellipse (meter) 725
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 136
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28329
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 115462041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-17 08:24:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2023-03-17T08:11:58.90 3.0 undecidable manual Sn 7.12 0
ST.PANI.EHZ. 2023-03-17T08:11:52.08 3.0 undecidable manual Sg 6.65 0
GU.GRAM.HHZ. 2023-03-17T08:11:32.43 3.0 undecidable manual Sn 4.07 0
7F.SIB1.EHE. 2023-03-17T08:10:32.99 0.3 undecidable manual S 355 31.4463 90 -0.12 72
IV.GIGS.HHZ. 2023-03-17T08:10:32.07 0.3 undecidable manual S 129 28.0497 90 -0.13 70
IV.TERO.HHZ. 2023-03-17T08:10:31.01 0.3 undecidable manual S 87 24.3534 91 -0.19 70
IV.LNSS.HNE. 2023-03-17T08:10:30.11 0.3 undecidable manual S 267 21.7671 91 -0.41 69
7F.SIB1.EHE. 2023-03-17T08:10:29.58 0.1 undecidable manual P 355 31.4463 90 1.06 72
IV.MTRA.HNE. 2023-03-17T08:10:28.96 0.3 undecidable manual S 25 17.5713 91 -0.46 69
IV.RM33.EHZ. 2023-03-17T08:10:28.36 0.3 undecidable manual S 213 13.6752 98 -0.02 77
IV.GIGS.HHZ. 2023-03-17T08:10:28.42 3.0 undecidable manual P 129 28.0497 90 0.42 0
IV.TERO.HHZ. 2023-03-17T08:10:27.48 0.1 undecidable manual P 87 24.3534 91 0.06 99
IV.LNSS.HNE. 2023-03-17T08:10:26.85 0.1 positive manual P 267 21.7671 91 -0.18 97
IV.SMA1.EHZ. 2023-03-17T08:10:26.23 0.3 undecidable manual S 50 3.0969 160 -0.05 78
IV.MTRA.HNE. 2023-03-17T08:10:26.34 0.1 undecidable manual P 25 17.5713 91 -0.05 100
IV.RM33.EHZ. 2023-03-17T08:10:25.92 0.1 positive manual P 213 13.6752 98 0.13 100
IV.SMA1.EHZ. 2023-03-17T08:10:24.86 0.1 negative manual P 50 3.0969 160 0.28 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.8 0.00010185 0.1 AML other m 2023-03-17T08:10:26.77
IV.SMA1.EHE. ML:0.8 0.00011125000000000001 1.62 AML other m 2023-03-17T08:10:27.88
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