Earthquake with magnitude of ML 0.8 on date 28-03-2023 and time 16:48:27 (UTC) in region 9 km W Accumoli (RI)

A magnitude ML 0.8 earthquake occured in region: 9 km W Accumoli (RI), on

  • 28-03-2023 16:48:27 (UTC)
  • 28-03-2023 18:48:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7080, 13.1380 at 10 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
Accumoli RI 9 667 667
Norcia PG 10 4957 5624
Cascia PG 10 3217 8841
Cittareale RI 10 482 9323
Arquata del Tronto AP 15 1178 10501
Amatrice RI 15 2657 13158
Monteleone di Spoleto PG 16 599 13757
Poggiodomo PG 17 117 13874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Terni (111501 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
47 Km W of Teramo (54892 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
92 Km W of Pescara (121014 inhabitants)
93 Km W of Chieti (51815 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 2023-03-28
16:48:27
42.7085 13.1377 10 2023-03-28
17:12:11
Sala Sismica INGV-Roma 115829421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-28 16:48:27 ± 0.03
Latitude 42.7085 ± 0.0018
Longitude 13.1377 ± 0.0024
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115829421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 181
Semi-minor axis of confidence ellipse (meter) 179
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 133
Circular confidence region, given by single value of horizontal uncertainty (meter) 180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 50
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48384
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 20
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 115829421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-28 17:12:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RCAV.EHZ. 2023-03-28T16:48:59.50 3.0 undecidable manual S 0.08 0
IV.ASSB.HHZ. 2023-03-28T16:48:44.71 0.3 undecidable manual S 314 53.7018 50 0.11 69
IV.PF6.EHE. 2023-03-28T16:48:43.13 0.3 undecidable manual S 6 47.8188 50 0.11 70
IV.MOMA.HNE. 2023-03-28T16:48:43.09 0.3 undecidable manual S 283 47.4192 50 0.18 69
IV.MML1.EHE. 2023-03-28T16:48:42.59 0.3 undecidable manual S 343 46.9197 50 -0.18 69
IV.GIGS.HHE. 2023-03-28T16:48:42.18 0.3 undecidable manual S 128 45.4212 50 -0.2 69
IV.CESX.HHZ. 2023-03-28T16:48:42.91 0.6 undecidable manual S 256 46.3203 50 0.31 45
IV.MF5.EHZ. 2023-03-28T16:48:41.31 0.6 undecidable manual S 40 40.5261 50 0.23 46
IV.CESI.HNE. 2023-03-28T16:48:40.09 0.3 undecidable manual S 330 37.9287 50 -0.29 69
IV.TERO.HHZ. 2023-03-28T16:48:40.37 0.3 undecidable manual S 104 39.2274 50 -0.34 68
IV.FDMO.HHZ. 2023-03-28T16:48:39.84 0.3 undecidable manual S 354 36.6411 50 -0.18 71
IV.MMO1.EHZ. 2023-03-28T16:48:37.31 0.3 undecidable manual S 36 26.1516 50 0.07 74
IV.FEMA.HNN. 2023-03-28T16:48:37.99 0.3 undecidable manual S 346 29.0487 50 -0.01 74
IV.ASSB.HHZ. 2023-03-28T16:48:37.03 0.3 undecidable manual P 314 53.7018 50 -0.37 66
IV.MTRA.EHZ. 2023-03-28T16:48:36.08 0.3 undecidable manual S 76 21.7671 115 0.18 72
7F.SIB1.EHZ. 2023-03-28T16:48:36.60 0.3 undecidable manual S 28 23.2545 113 0.22 72
IV.GIGS.HHE. 2023-03-28T16:48:36.16 0.1 undecidable manual P 128 45.4212 50 0.04 95
IV.MOMA.HNE. 2023-03-28T16:48:36.51 0.1 undecidable manual P 283 47.4192 50 0.09 94
IV.CESX.HHZ. 2023-03-28T16:48:36.33 0.1 undecidable manual P 256 46.3203 50 0.08 94
7F.SIB2.EHN. 2023-03-28T16:48:36.55 0.3 undecidable manual S 34 24.3534 112 -0.17 72
IV.MML1.EHE. 2023-03-28T16:48:36.53 0.1 undecidable manual P 343 46.9197 50 0.19 92
IV.PF6.EHE. 2023-03-28T16:48:36.63 0.3 undecidable manual P 6 47.8188 50 0.14 70
IV.RM33.EHZ. 2023-03-28T16:48:36.28 0.3 undecidable manual S 164 22.9548 114 0 75
IV.TERO.HHZ. 2023-03-28T16:48:35.37 0.1 undecidable manual P 104 39.2274 50 0.21 93
IV.CESI.HNE. 2023-03-28T16:48:35.27 0.1 undecidable manual P 330 37.9287 50 0.3 91
IV.MF5.EHZ. 2023-03-28T16:48:35.29 0.1 undecidable manual P 40 40.5261 50 -0.08 95
7F.SIB3.EHN. 2023-03-28T16:48:35.69 0.3 undecidable manual S 30 21.3675 115 -0.09 74
IV.GAVE.EHZ. 2023-03-28T16:48:34.98 0.3 undecidable manual S 265 19.9689 117 -0.34 70
IV.FDMO.HHZ. 2023-03-28T16:48:34.60 0.1 positive manual P 354 36.6411 50 -0.16 95
IV.NRCA.HHZ. 2023-03-28T16:48:33.52 0.3 undecidable manual S 352 13.9749 126 -0.04 76
IV.LNSS.HHZ. 2023-03-28T16:48:33.63 0.3 undecidable manual S 214 14.1747 125 0.03 76
IV.MMO1.EHZ. 2023-03-28T16:48:33.20 0.1 positive manual P 36 26.1516 50 0.05 98
IV.FEMA.HNN. 2023-03-28T16:48:33.36 0.3 undecidable manual P 346 29.0487 50 -0.23 71
7F.SIB3.EHN. 2023-03-28T16:48:32.32 0.1 undecidable manual P 30 21.3675 115 0.01 100
IV.RM33.EHZ. 2023-03-28T16:48:32.54 0.1 positive manual P 164 22.9548 114 -0.06 99
IV.MTRA.EHZ. 2023-03-28T16:48:32.24 0.1 undecidable manual P 76 21.7671 115 -0.14 97
7F.SIB1.EHZ. 2023-03-28T16:48:32.74 0.1 negative manual P 28 23.2545 113 0.08 98
7F.SIB2.EHN. 2023-03-28T16:48:32.82 0.1 undecidable manual P 34 24.3534 112 -0.03 99
IV.GAVE.EHZ. 2023-03-28T16:48:31.88 0.1 positive manual P 265 19.9689 117 -0.17 97
IV.NRCA.HHZ. 2023-03-28T16:48:31.17 0.1 negative manual P 352 13.9749 126 0.14 99
IV.LNSS.HHZ. 2023-03-28T16:48:31.23 0.1 positive manual P 214 14.1747 125 0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.2 0.0001605 0.98 AML other m 2023-03-28T16:48:33.33
IV.LNSS.HHE. ML:1.1 0.0001265 0.36 AML other m 2023-03-28T16:48:34.01
IV.LNSS.HNE. ML:1.1 0.0001236667 0.1024 AML other m 2023-03-28T16:48:34.06
IV.LNSS.HNN. ML:1.2 0.00015553823 0.1408 AML other m 2023-03-28T16:48:34.33
IV.GAVE.EHE. ML:0.8 0.00004997681 0.1664 AML other m 2023-03-28T16:48:35.35
IV.GAVE.EHN. ML:0.9 0.000058012244999999996 0.1408 AML other m 2023-03-28T16:48:35.12
IV.RM33.EHE. ML:0.5 0.00002183738 0.7552 AML other m 2023-03-28T16:48:37.33
IV.RM33.EHN. ML:0.4 0.00001708826 0.0896 AML other m 2023-03-28T16:48:36.95
IV.FDMO.HHE. ML:0.6 0.000014405015 0.3072 AML other m 2023-03-28T16:48:40.26
IV.FDMO.HHN. ML:0.6 0.000015450455500000002 0.2176 AML other m 2023-03-28T16:48:40.12
IV.TERO.HHE. ML:0.6 0.000013647527 0.1408 AML other m 2023-03-28T16:48:41.70
IV.TERO.HHN. ML:0.6 0.000014589804999999999 0.6272 AML other m 2023-03-28T16:48:42.55
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