Earthquake with magnitude of ML 0.8 on date 13-03-2022 and time 13:22:21 (Italy) in region 4 km SW Amatrice (RI)

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

  • 13-03-2022 12:22:21 (UTC)
  • 13-03-2022 13:22:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6120, 13.2500 at 15 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 4 2657 2657
Cittareale RI 7 482 3139
Accumoli RI 9 667 3806
Montereale AQ 10 2581 6387
Capitignano AQ 11 665 7052
Campotosto AQ 12 542 7594
Borbona RI 15 617 8211
Posta RI 16 694 8905
Cagnano Amiterno AQ 17 1369 10274
Barete AQ 18 737 11011
Arquata del Tronto AP 18 1178 12189
Pizzoli AQ 20 4326 16515

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km W of Chieti (51815 inhabitants)
81 Km W of Pescara (121014 inhabitants)
81 Km NE of Tivoli (56533 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 2022-03-13
12:22:21
42.6123 13.2503 15 2022-03-13
12:32:27
Sala Sismica INGV-Roma 101935031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-13 12:22:21 ± 0.14
Latitude 42.6123 ± 0.0063
Longitude 13.2503 ± 0.0049
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 101935031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 629
Semi-minor axis of confidence ellipse (meter) 388
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.28239
Number of stations at which the event was observed 7
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 101935031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-13 12:32:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
7F.SIB1.EHZ. 2022-03-13T12:22:32.70 0.6 undecidable manual S 3 31.3464 101 0.24 47
IV.NRCA.HHZ. 2022-03-13T12:22:31.07 0.6 undecidable manual S 336 26.9508 104 -0.23 47
IV.TERO.HHZ. 2022-03-13T12:22:31.68 0.6 undecidable manual S 88 28.8489 102 -0.13 49
IV.MTRA.HNZ. 2022-03-13T12:22:29.16 0.6 undecidable manual S 37 19.9689 112 -0.37 47
IV.LNSS.HHZ. 2022-03-13T12:22:28.85 0.6 undecidable manual S 267 17.1717 118 0 50
IV.TERO.HHZ. 2022-03-13T12:22:27.51 0.6 undecidable manual P 88 28.8489 102 0.05 49
IV.RM33.EHZ. 2022-03-13T12:22:27.61 0.3 undecidable manual S 194 11.877 132 -0.07 75
IV.NRCA.HHZ. 2022-03-13T12:22:27.11 0.1 negative manual P 336 26.9508 104 -0.06 98
7F.SIB1.EHZ. 2022-03-13T12:22:27.98 0.3 undecidable manual P 3 31.3464 101 0.14 71
IV.SMA1.EHZ. 2022-03-13T12:22:26.94 0.6 undecidable manual S 74 7.1928 148 0.06 51
IV.MTRA.HNZ. 2022-03-13T12:22:26.09 0.1 undecidable manual P 37 19.9689 112 -0.06 100
IV.RM33.EHZ. 2022-03-13T12:22:25.21 1.0 negative manual P 194 11.877 132 0.13 25
IV.LNSS.HHZ. 2022-03-13T12:22:25.81 0.1 undecidable manual P 267 17.1717 118 0.05 100
IV.SMA1.EHZ. 2022-03-13T12:22:24.90 0.3 positive manual P 74 7.1928 148 0.28 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.8 0.00006915 0.12 AML other m 2022-03-13T12:22:27.50
IV.SMA1.EHE. ML:0.9 0.00007885 0.16 AML other m 2022-03-13T12:22:27.50
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