Earthquake with magnitude of ML 1.2 on date 28-03-2021 and time 03:09:17 (UTC) in region 7 km E Pizzoli (AQ)

A magnitude ML 1.2 earthquake occured in region: 7 km E Pizzoli (AQ), on

  • 28-03-2021 03:09:17 (UTC)
  • 28-03-2021 05:09:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4280, 13.3810 at 9 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
Pizzoli AQ 7 4326 4326
Barete AQ 9 737 5063
L'Aquila AQ 9 69753 74816
Scoppito AQ 12 3727 78543
Capitignano AQ 12 665 79208
Cagnano Amiterno AQ 13 1369 80577
Campotosto AQ 15 542 81119
Montereale AQ 16 2581 83700
Lucoli AQ 16 1011 84711
Crognaleto TE 16 1297 86008
Tornimparte AQ 16 3187 89195
Fossa AQ 17 721 89916
Ocre AQ 18 1167 91083
Poggio Picenze AQ 18 1136 92219
Pietracamela TE 18 271 92490
Fano Adriano TE 19 296 92786
Sant'Eusanio Forconese AQ 19 394 93180

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km N of L'Aquila (69753 inhabitants)
37 Km SW of Teramo (54892 inhabitants)
62 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
65 Km W of Chieti (51815 inhabitants)
69 Km W of Pescara (121014 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km SE of Foligno (57155 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
96 Km NE of Velletri (53303 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 1.2 2021-03-28
03:09:17
42.4275 13.3808 9 2021-03-28
03:14:54
Sala Sismica INGV-Roma 88541041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-28 03:09:17 ± 0.08
Latitude 42.4275 ± 0.0036
Longitude 13.3808 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 88541041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 440
Semi-minor axis of confidence ellipse (meter) 215
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
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) 86
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.07554
Epicentral distance of station farthest from the epicenter (degree) 0.56298
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 88541041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-28 03:14:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-03-28T03:09:34.18 0.6 undecidable manual S 334 50.0166 50 -0.05 47
IV.MF5.EHZ. 2021-03-28T03:09:29.80 1.0 positive manual P 6 62.493 50 0.55 20
IV.NRCA.HHZ. 2021-03-28T03:09:27.15 0.3 negative manual P 334 50.0166 50 -0.18 68
IV.TERO.HHZ. 2021-03-28T03:09:27.99 0.6 undecidable manual S 40 28.3494 107 -0.18 47
IV.SMA1.EHZ. 2021-03-28T03:09:26.70 0.6 undecidable manual S 351 22.8549 111 0.33 46
IV.T1299.HNZ. 2021-03-28T03:09:26.76 0.6 undecidable manual S 341 24.3534 110 -0.09 49
IV.RM33.EHZ. 2021-03-28T03:09:24.17 0.6 undecidable manual S 304 16.3725 118 -0.14 49
IV.T1299.HNZ. 2021-03-28T03:09:23.14 0.1 undecidable manual P 341 24.3534 110 0.08 97
IV.TERO.HHZ. 2021-03-28T03:09:23.56 0.6 negative manual P 40 28.3494 107 -0.27 46
IV.FIAM.HNZ. 2021-03-28T03:09:23.94 0.6 undecidable manual P 231 27.9498 107 0.19 47
IV.SMA1.EHZ. 2021-03-28T03:09:22.76 1.0 undecidable manual P 351 22.8549 111 -0.03 25
MN.AQU.HNZ. 2021-03-28T03:09:22.04 0.6 undecidable manual S 166 8.3805 136 -0.04 50
IV.GIGS.HHZ. 2021-03-28T03:09:21.70 0.1 undecidable manual P 80 15.9729 119 0.16 97
IV.RM33.EHZ. 2021-03-28T03:09:21.59 0.6 negative manual P 304 16.3725 118 -0.01 50
MN.AQU.HNZ. 2021-03-28T03:09:20.23 0.1 undecidable manual P 166 8.3805 136 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.0 0.0000897 0.16 AML other m 2021-03-28T03:09:24.55
IV.RM33.EHE. ML:0.9 0.00008121485 0.32 AML other m 2021-03-28T03:09:25.36
IV.SMA1.EHE. ML:1.4 0.00014950000000000003 0.24 AML other m 2021-03-28T03:09:27.13
IV.TERO.HHN. ML:0.9 0.00004684863 0.1392 AML other m 2021-03-28T03:09:28.22
IV.TERO.HHE. ML:0.9 0.000038543825000000004 0.1392 AML other m 2021-03-28T03:09:28.96
IV.SMA1.EHN. ML:1.2 0.000109243495 0.36 AML other m 2021-03-28T03:09:29.86
IV.NRCA.HHE. ML:1.2 0.00004195 1.24 AML other m 2021-03-28T03:09:34.37
IV.NRCA.HHN. ML:1.1 0.000031982125 0.1008 AML other m 2021-03-28T03:09:35.34
IV.RM33.HNE. ML:1.1 0.00011159330000000001 0.32 AML other m 2021-03-28T03:09:25.36
IV.RM33.HNN. ML:1.0 0.00010704579999999999 0.1808 AML other m 2021-03-28T03:09:24.63
IV.TERO.HNE. ML:1.2 0.00008495601999999999 0.5104 AML other m 2021-03-28T03:09:23.79
IV.TERO.HNN. ML:1.5 0.00016794325 1.1408 AML other m 2021-03-28T03:09:36.12
IV.NRCA.HNE. ML:1.6 0.00009485031099999999 0.5088 AML other m 2021-03-28T03:09:42.12
IV.NRCA.HNN. ML:1.9 0.00021458695 1.0992 AML other m 2021-03-28T03:09:28.12
IV.MF5.EHE. ML:1.7 0.00010522395 3.0208 AML other m 2021-03-28T03:09:49.00
IV.MF5.EHN. ML:1.6 0.00007181515 2.44 AML other m 2021-03-28T03:09:55.83
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