Earthquake with magnitude of ML 0.9 on date 10-03-2021 and time 17:49:28 (UTC) in region 5 km N Fossa (AQ)

A magnitude ML 0.9 earthquake occured in region: 5 km N Fossa (AQ), on

  • 10-03-2021 17:49:28 (UTC)
  • 10-03-2021 18:49:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.342, 13.482 at 9 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
Fossa AQ 5 721 721
Poggio Picenze AQ 6 1136 1857
Ocre AQ 6 1167 3024
Sant'Eusanio Forconese AQ 7 394 3418
L'Aquila AQ 7 69753 73171
San Demetrio ne' Vestini AQ 9 1854 75025
Villa Sant'Angelo AQ 9 424 75449
Barisciano AQ 9 1828 77277
Rocca di Cambio AQ 12 533 77810
Fagnano Alto AQ 12 418 78228
Prata d'Ansidonia AQ 13 496 78724
Lucoli AQ 13 1011 79735
Santo Stefano di Sessanio AQ 14 111 79846
Rocca di Mezzo AQ 15 1526 81372
San Pio delle Camere AQ 16 661 82033
Tornimparte AQ 16 3187 85220
Fontecchio AQ 16 369 85589
Carapelle Calvisio AQ 17 87 85676
Castelvecchio Calvisio AQ 17 153 85829
Calascio AQ 18 137 85966
Pizzoli AQ 19 4326 90292
Caporciano AQ 19 230 90522
Scoppito AQ 19 3727 94249
Tione degli Abruzzi AQ 20 310 94559

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km E of L'Aquila (69753 inhabitants)
40 Km SW of Teramo (54892 inhabitants)
56 Km W of Chieti (51815 inhabitants)
58 Km W of Montesilvano (53738 inhabitants)
62 Km W of Pescara (121014 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
73 Km E of Terni (111501 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km NE of Velletri (53303 inhabitants)
93 Km SE of Foligno (57155 inhabitants)
96 Km NE of Roma (2864731 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 0.9 2021-03-10
17:49:28
42.3423 13.4817 9 2021-07-12
16:55:09
Bollettino Sismico Italiano INGV 89744971
Reviewed
Rev100
ML 0.9 2021-03-10
17:49:27
42.3343 13.4707 10 2021-03-10
18:02:12
Sala Sismica INGV-Roma 87975221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-10 17:49:28 ± 0.07
Latitude 42.3423 ± 0.0045
Longitude 13.4817 ± 0.0061
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89744971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 511
Semi-minor axis of confidence ellipse (meter) 379
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 510
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 0.56028
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 89744971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-03 16:05:01

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 87975221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-10 18:02:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-03-10T17:49:47.94 0.6 undecidable manual S 331 0.5603 50 0.4 42
IV.SMA1.EHZ. 2021-03-10T17:49:40.37 0.6 undecidable manual S 340 0.3076 50 0.32 45
IV.VCEL.EHN. 2021-03-10T17:49:39.24 0.3 undecidable manual S 79 0.2698 50 0.29 69
IV.NRCA.HHZ. 2021-03-10T17:49:39.18 0.3 undecidable manual P 331 0.5603 50 -0.15 67
IV.TERO.HHZ. 2021-03-10T17:49:39.16 0.6 undecidable manual S 18 0.2941 50 -0.5 44
IV.RM33.EHZ. 2021-03-10T17:49:38.70 0.6 undecidable manual S 310 0.2581 108 0.14 48
IV.CAMP.HHE. 2021-03-10T17:49:36.67 0.6 undecidable manual S 345 0.2005 113 0.19 48
IV.PTQR.HHE. 2021-03-10T17:49:35.27 0.3 undecidable manual P 191 0.3256 50 -0.04 72
IV.SMA1.EHZ. 2021-03-10T17:49:34.80 0.3 undecidable manual P 340 0.3076 50 -0.2 70
IV.VCEL.EHN. 2021-03-10T17:49:34.37 0.3 undecidable manual P 79 0.2698 50 0.01 73
IV.TERO.HHZ. 2021-03-10T17:49:34.45 0.3 undecidable manual P 18 0.2941 50 -0.33 68
IV.CAMP.HHE. 2021-03-10T17:49:33.27 0.3 undecidable manual P 345 0.2005 113 0.33 70
IV.FAGN.HHZ. 2021-03-10T17:49:33.33 0.6 undecidable manual S 135 0.1079 128 -0.04 50
IV.RM33.EHZ. 2021-03-10T17:49:33.95 0.1 undecidable manual P 310 0.2581 108 -0.19 94
IV.GIGS.HHE. 2021-03-10T17:49:33.96 0.3 undecidable manual S 31 0.1295 123 -0.1 74
IV.GIGS.HHE. 2021-03-10T17:49:31.52 0.3 undecidable manual P 31 0.1295 123 -0.02 75
MN.AQU.HNZ. 2021-03-10T17:49:31.83 0.6 undecidable manual S 282 0.0576 146 -0.21 49
IV.FAGN.HHZ. 2021-03-10T17:49:31.27 0.3 undecidable manual P 135 0.1079 128 0.13 74
MN.AQU.HNZ. 2021-03-10T17:49:30.47 0.1 undecidable manual P 282 0.0576 146 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FAGN.HHN. ML:0.9 8.825449E-5 0.4992 AML other m 2021-03-10T17:49:33.54
IV.FAGN.HHE. ML:1.3 0.0002242079 0.512 AML other m 2021-03-10T17:49:33.74
IV.RM33.EHE. ML:0.5 1.5199873E-5 0.2048 AML other m 2021-03-10T17:49:38.62
IV.RM33.EHN. ML:0.6 2.05688465E-5 0.384 AML other m 2021-03-10T17:49:38.69
IV.TERO.HHN. ML:0.8 2.4070571E-5 0.64 AML other m 2021-03-10T17:49:39.46
IV.TERO.HHE. ML:0.7 2.1243415E-5 0.4992 AML other m 2021-03-10T17:49:39.14
IV.SMA1.EHN. ML:1.1 5.375E-5 0.7 AML other m 2021-03-10T17:49:44.81
IV.SMA1.EHE. ML:1.2 6.17E-5 0.6 AML other m 2021-03-10T17:49:45.36
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