Earthquake with magnitude of ML 1.6 on date 27-01-2023 and time 03:48:44 (Italy) in region 5 km E Trevi (PG)

A magnitude ML 1.6 earthquake occured in region: 5 km E Trevi (PG), on

  • 27-01-2023 02:48:44 (UTC)
  • 27-01-2023 03:48:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8660, 12.8040 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
Trevi PG 5 8469 8469
Campello sul Clitunno PG 5 2442 10911
Sellano PG 10 1079 11990
Cerreto di Spoleto PG 11 1075 13065
Castel Ritaldi PG 12 3278 16343
Vallo di Nera PG 12 364 16707
Montefalco PG 13 5679 22386
Foligno PG 13 57155 79541
Sant'Anatolia di Narco PG 15 564 80105
Spoleto PG 15 38218 118323
Scheggino PG 17 461 118784
Bevagna PG 18 5081 123865
Spello PG 18 8645 132510
Giano dell'Umbria PG 19 3846 136356
Preci PG 19 724 137080

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SE of Foligno (57155 inhabitants)
36 Km NE of Terni (111501 inhabitants)
43 Km SE of Perugia (166134 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
76 Km NE of Viterbo (67173 inhabitants)
77 Km W of Teramo (54892 inhabitants)
96 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km N of Tivoli (56533 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 1.6 2023-01-27
02:48:44
42.8655 12.8043 10 2024-03-01
17:18:04
Bollettino Sismico Italiano INGV 116463281
Reviewed
Rev100
ML 1.5 2023-01-27
02:48:44
42.8647 12.8067 10 2023-01-27
03:08:54
Sala Sismica INGV-Roma 113824571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-27 02:48:44 ± 0.04
Latitude 42.8655 ± 0.0027
Longitude 12.8043 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116463281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 240
Semi-minor axis of confidence ellipse (meter) 167
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 335
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.12770
Epicentral distance of station farthest from the epicenter (degree) 0.65561
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 113824571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-27 03:08:54

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 116463281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-18 16:46:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2023-01-27T02:49:01.50 0.6 undecidable manual S 140 51.8037 50 0.26 46
IV.FOSV.HNE. 2023-01-27T02:49:00.50 0.6 undecidable manual S 356 47.7189 50 0.34 45
IV.SNTG.HHE. 2023-01-27T02:48:59.20 0.6 undecidable manual S 14 44.622 50 -0.12 48
IV.SACS.HHE. 2023-01-27T02:48:58.19 0.3 undecidable manual P 269 72.7716 50 0.71 57
IV.CSP1.EHZ. 2023-01-27T02:48:58.60 0.6 undecidable manual S 52 41.0256 50 0.22 47
7F.SIB2.EHE. 2023-01-27T02:48:58.50 0.6 undecidable manual S 86 40.7259 50 0.22 47
IV.MMO1.EHZ. 2023-01-27T02:48:58.90 0.6 undecidable manual S 85 42.624 50 0.11 48
7F.SIB1.EHE. 2023-01-27T02:48:57.80 0.6 undecidable manual S 85 38.0286 50 0.24 47
7F.SIB3.EHN. 2023-01-27T02:48:57.60 0.6 undecidable manual S 88 37.8288 50 0.08 49
IV.ATCC.EHE. 2023-01-27T02:48:57.60 0.6 undecidable manual S 339 37.8288 50 0.07 49
IV.CESX.HHE. 2023-01-27T02:48:56.00 0.6 undecidable manual S 212 33.5442 50 -0.38 46
IV.LNSS.HHZ. 2023-01-27T02:48:56.80 0.3 undecidable manual S 147 34.9428 50 0.07 73
IV.EL6.EHE. 2023-01-27T02:48:55.05 0.6 undecidable manual P 25 56.7987 50 0.04 47
IV.FDMO.HHZ. 2023-01-27T02:48:55.10 0.3 undecidable manual S 50 29.748 50 -0.27 71
IV.MC2.EHZ. 2023-01-27T02:48:55.90 0.6 undecidable manual S 81 31.6461 50 0.03 50
IV.ATVA.EHE. 2023-01-27T02:48:55.96 0.6 undecidable manual P 318 62.1933 50 0.11 46
IV.MF5.EHZ. 2023-01-27T02:48:55.22 0.6 undecidable manual P 75 54.9006 50 0.5 43
IV.ARRO.EHZ. 2023-01-27T02:48:55.80 0.6 undecidable manual S 186 31.9458 50 -0.14 49
IV.SMA1.EHZ. 2023-01-27T02:48:54.14 0.3 undecidable manual P 121 50.5161 50 0.1 71
IV.GUMA.HNN. 2023-01-27T02:48:54.07 0.3 undecidable manual P 63 48.3183 50 0.36 67
IV.MGAB.HHZ. 2023-01-27T02:48:54.75 0.1 undecidable manual P 276 56.499 50 -0.22 91
IV.RM33.EHZ. 2023-01-27T02:48:54.10 0.6 negative manual P 140 51.8037 50 -0.14 47
IV.NRCA.HHZ. 2023-01-27T02:48:54.10 0.1 undecidable manual S 98 25.4523 111 -0.05 100
IV.FEMA.HNZ. 2023-01-27T02:48:53.40 0.3 undecidable manual S 62 22.6551 113 0.16 74
IV.MURB.HHE. 2023-01-27T02:48:53.84 0.3 undecidable manual P 333 49.617 50 -0.06 72
IV.SNTG.HHE. 2023-01-27T02:48:53.05 0.6 undecidable manual P 14 44.622 50 -0.08 48
IV.FOSV.HNE. 2023-01-27T02:48:53.58 0.3 undecidable manual P 356 47.7189 50 -0.04 72
IV.MMO1.EHZ. 2023-01-27T02:48:52.83 0.1 undecidable manual P 85 42.624 50 0 98
IT.GNU.HGZ. 2023-01-27T02:48:52.90 0.3 undecidable manual S 250 20.2686 116 0.41 70
7F.SIB2.EHE. 2023-01-27T02:48:52.42 0.1 undecidable manual P 86 40.7259 50 -0.11 96
IV.MOMA.HHZ. 2023-01-27T02:48:52.80 0.6 undecidable manual S 250 20.2686 116 0.31 48
IV.CSP1.EHZ. 2023-01-27T02:48:52.68 0.3 undecidable manual P 52 41.0256 50 0.09 72
IT.MTCL.HGZ. 2023-01-27T02:48:52.80 0.6 undecidable manual S 48 21.2676 115 -0.02 51
7F.SIB1.EHE. 2023-01-27T02:48:52.08 0.3 undecidable manual P 85 38.0286 50 -0.03 74
IV.MC2.EHZ. 2023-01-27T02:48:51.16 0.3 undecidable manual P 81 31.6461 50 0.02 75
IV.CESX.HHE. 2023-01-27T02:48:51.22 0.6 undecidable manual P 212 33.5442 50 -0.22 48
IV.ARRO.EHZ. 2023-01-27T02:48:51.15 0.3 undecidable manual P 186 31.9458 50 -0.03 74
IV.LNSS.HHZ. 2023-01-27T02:48:51.36 0.3 undecidable manual P 147 34.9428 50 -0.28 70
7F.SIB3.EHN. 2023-01-27T02:48:51.91 0.3 undecidable manual P 88 37.8288 50 -0.19 71
IV.CESI.HHZ. 2023-01-27T02:48:51.60 0.3 undecidable manual S 28 17.4714 119 -0.04 76
IV.ATCC.EHE. 2023-01-27T02:48:51.71 0.1 undecidable manual P 339 37.8288 50 -0.39 91
IV.FDMO.HHZ. 2023-01-27T02:48:50.74 0.3 undecidable manual P 50 29.748 50 -0.11 73
IT.FOPC.HGZ. 2023-01-27T02:48:50.50 0.6 undecidable manual S 325 14.1747 125 -0.17 50
IV.FEMA.HNZ. 2023-01-27T02:48:49.77 0.1 undecidable manual P 62 22.6551 113 0.15 98
IT.MTCL.HGZ. 2023-01-27T02:48:49.00 0.1 undecidable manual P 48 21.2676 115 -0.38 94
IV.NRCA.HHZ. 2023-01-27T02:48:49.99 0.1 positive manual P 98 25.4523 111 -0.16 98
IT.GNU.HGZ. 2023-01-27T02:48:49.37 0.3 undecidable manual P 250 20.2686 116 0.18 74
IV.MOMA.HHZ. 2023-01-27T02:48:48.80 0.3 undecidable manual P 250 20.2686 116 -0.39 70
IT.FOPC.HGZ. 2023-01-27T02:48:48.10 0.6 undecidable manual P 325 14.1747 125 -0.04 51
IV.CESI.HHZ. 2023-01-27T02:48:48.86 0.1 undecidable manual P 28 17.4714 119 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HNE. ML:1.4 0.00021050000000000002 0.82 AML other m 2023-01-27T02:48:52.42
IV.CESI.HHE. ML:1.4 0.000231 0.8 AML other m 2023-01-27T02:48:52.01
IV.CESI.HNN. ML:1.8 0.000486 0.16 AML other m 2023-01-27T02:48:52.19
IV.CESI.HHN. ML:1.8 0.00048150000000000005 0.16 AML other m 2023-01-27T02:48:52.19
IV.MOMA.HHE. ML:1.2 0.0001265 1.4 AML other m 2023-01-27T02:48:53.01
IV.NRCA.HHE. ML:1.7 0.00029000000000000006 1.18 AML other m 2023-01-27T02:48:54.93
IV.MOMA.HHN. ML:1.2 0.000115710285 2.64 AML other m 2023-01-27T02:48:53.45
IV.NRCA.HHN. ML:1.4 0.00013967089999999998 1.1408 AML other m 2023-01-27T02:48:54.93
IV.LNSS.HHN. ML:1.5 0.00013092570000000002 2.7008 AML other m 2023-01-27T02:48:57.31
IV.LNSS.HHE. ML:1.5 0.0001275 0.42 AML other m 2023-01-27T02:49:00.83
IV.MC2.EHN. ML:1.8 0.00025880274999999996 2.3808 AML other m 2023-01-27T02:48:58.13
IV.MC2.EHE. ML:1.6 0.000191782105 1.8208 AML other m 2023-01-27T02:48:57.76
IV.CSP1.EHE. ML:1.6 0.00015220081000000003 1.5408 AML other m 2023-01-27T02:49:00.04
IV.CSP1.EHN. ML:1.8 0.00022733219999999997 2.3808 AML other m 2023-01-27T02:49:00.97
IV.MMO1.EHN. ML:1.8 0.00020348159999999997 0.32 AML other m 2023-01-27T02:48:59.76
IV.MMO1.EHE. ML:1.6 0.000138007215 0.3008 AML other m 2023-01-27T02:48:59.56
IV.RM33.HNE. ML:1.8 0.0001459107 3.5184 AML other m 2023-01-27T02:49:02.68
IV.RM33.EHN. ML:1.4 0.00006825883500000001 2.12 AML other m 2023-01-27T02:49:02.11
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