Earthquake with magnitude of ML 1.2 on date 16-03-2021 and time 07:22:18 (Italy) in region 1 km W Magliano de' Marsi (AQ)

A magnitude ML 1.2 earthquake occured in region: 1 km W Magliano de' Marsi (AQ), on

  • 16-03-2021 06:22:18 (UTC)
  • 16-03-2021 07:22:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.0940, 13.3590 at 10 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
Magliano de' Marsi AQ 1 3690 3690
Massa d'Albe AQ 3 1476 5166
Scurcola Marsicana AQ 3 2824 7990
Tagliacozzo AQ 9 6889 14879
Avezzano AQ 9 42515 57394
Cappadocia AQ 12 528 57922
Castellafiume AQ 12 1106 59028
Sante Marie AQ 13 1166 60194
Ovindoli AQ 14 1227 61421
Capistrello AQ 14 5252 66673
Borgorose RI 15 4591 71264
Celano AQ 16 11017 82281
Luco dei Marsi AQ 17 6079 88360
Canistro AQ 17 995 89355
Rocca di Mezzo AQ 18 1526 90881
Aielli AQ 19 1475 92356
Rocca di Cambio AQ 19 533 92889

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km S of L'Aquila (69753 inhabitants)
48 Km E of Tivoli (56533 inhabitants)
53 Km E of Guidonia Montecelio (88673 inhabitants)
66 Km NE of Velletri (53303 inhabitants)
69 Km SW of Teramo (54892 inhabitants)
73 Km W of Chieti (51815 inhabitants)
76 Km E of Roma (2864731 inhabitants)
78 Km SE of Terni (111501 inhabitants)
79 Km NE of Latina (125985 inhabitants)
80 Km SW of Montesilvano (53738 inhabitants)
81 Km NE of Aprilia (73446 inhabitants)
82 Km SW of Pescara (121014 inhabitants)
85 Km NE of Pomezia (62966 inhabitants)
94 Km NE of Anzio (54211 inhabitants)
99 Km E of Fiumicino (78395 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 1.2 2021-03-16
06:22:18
42.0938 13.3593 11 2021-07-12
16:55:05
Bollettino Sismico Italiano INGV 88821131
Reviewed
Rev100
ML 1.2 2021-03-16
06:22:18
42.088 13.3635 11 2021-03-16
06:30:15
Sala Sismica INGV-Roma 88179771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-16 06:22:18 ± 0.07
Latitude 42.0938 ± 0.0045
Longitude 13.3593 ± 0.0048
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88821131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 435
Semi-minor axis of confidence ellipse (meter) 395
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 171
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41279
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 88821131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-06 10:15:43

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 88179771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-16 06:30:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIZZ.HHZ. 2021-03-16T06:24:06.36 3.0 undecidable manual Sn 0.68 0
IV.VARE.HHZ. 2021-03-16T06:23:44.15 3.0 undecidable manual Pg 10.73 0
IV.SCHR.EHZ. 2021-03-16T06:23:39.93 3.0 undecidable manual Sn -1.17 0
IV.SIRI.HHZ. 2021-03-16T06:23:39.14 3.0 undecidable manual Sn 0.5 0
IV.CAGR.HHZ. 2021-03-16T06:23:34.01 3.0 undecidable manual Pg 5.04 0
GU.GBOS.HHZ. 2021-03-16T06:23:34.01 3.0 positive manual Pn 6.56 0
IV.SEI.HHZ. 2021-03-16T06:22:59.13 3.0 undecidable manual Pn 1.05 0
IV.MCRV.HHZ. 2021-03-16T06:22:49.20 3.0 undecidable manual Pn -3.19 0
IV.RMP.HHZ. 2021-03-16T06:22:40.67 3.0 undecidable manual S 0.06 0
IV.OFFI.HHZ. 2021-03-16T06:22:33.53 3.0 undecidable manual P -1.88 0
IV.CERT.HHZ. 2021-03-16T06:22:30.13 0.6 undecidable manual S 243 35.0427 50 -0.14 48
IV.VVLD.HNE. 2021-03-16T06:22:29.91 0.6 undecidable manual S 139 33.0447 50 0.17 47
IV.FIAM.HHZ. 2021-03-16T06:22:28.38 0.6 undecidable manual S 314 27.75 50 0.06 49
IV.FAGN.HHZ. 2021-03-16T06:22:27.87 0.6 undecidable manual S 44 26.5512 50 -0.13 48
IV.INTR.HHE. 2021-03-16T06:22:27.11 0.3 undecidable manual P 101 45.8208 50 0.22 69
IV.T0110.HHZ. 2021-03-16T06:22:25.63 0.3 undecidable manual P 66 37.4292 50 0.04 73
IV.CERT.HHZ. 2021-03-16T06:22:25.15 0.3 undecidable manual P 243 35.0427 50 -0.07 72
IV.FIAM.HHZ. 2021-03-16T06:22:24.29 0.3 undecidable manual P 314 27.75 50 0.19 72
IV.VVLD.HNE. 2021-03-16T06:22:24.75 0.3 undecidable manual P 139 33.0447 50 -0.17 71
IV.FAGN.HHZ. 2021-03-16T06:22:23.74 0.1 undecidable manual P 44 26.5512 50 -0.17 96
IV.PTQR.HHZ. 2021-03-16T06:22:22.84 0.6 undecidable manual S 157 8.6802 140 -0.19 49
IV.PTQR.HHZ. 2021-03-16T06:22:21.16 0.1 undecidable manual P 157 8.6802 140 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTQR.HHE. ML:1.1 0.000158 0.1 AML other m 2021-03-16T06:22:23.30
IV.PTQR.HHN. ML:1.0 0.00014800000000000002 1.04 AML other m 2021-03-16T06:22:23.44
IV.FAGN.HHN. ML:1.3 0.0000999 0.6 AML other m 2021-03-16T06:22:30.60
IV.FAGN.HHE. ML:1.3 0.0001205 0.64 AML other m 2021-03-16T06:22:33.35
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