Earthquake with magnitude of Md 1.4 on date 12-09-2019 and time 05:31:53 (Italy) in region 4 km NE Norcia (PG)

A magnitude Md 1.4 earthquake occured in region: 4 km NE Norcia (PG), on

  • 12-09-2019 03:31:53 (UTC)
  • 12-09-2019 05:31:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8210, 13.1150 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
Norcia PG 4 4957 4957
Castelsantangelo sul Nera MC 9 281 5238
Preci PG 9 724 5962
Visso MC 13 1107 7069
Ussita MC 14 444 7513
Cascia PG 14 3217 10730
Arquata del Tronto AP 16 1178 11908
Cerreto di Spoleto PG 16 1075 12983
Sellano PG 17 1079 14062
Accumoli RI 18 667 14729
Montegallo AP 18 523 15252
Poggiodomo PG 19 117 15369
Montemonaco AP 20 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
67 Km E of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km W of Pescara (121014 inhabitants)
99 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
Md 1.4 2019-09-12
03:31:53
42.8208 13.1148 10 2020-02-28
16:41:52
Bollettino Sismico Italiano INGV 72785771
Reviewed
Rev100
Md 1.5 2019-09-12
03:31:53
42.8197 13.1163 10 2019-09-12
04:10:20
Sala Sismica INGV-Roma 72329951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-12 03:31:53 ± 0.05
Latitude 42.8208 ± 0.0027
Longitude 13.1148 ± 0.0037
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 72785771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 357
Semi-minor axis of confidence ellipse (meter) 138
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 136
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.01259
Epicentral distance of station farthest from the epicenter (degree) 0.27879
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 4
Type of magnitude Md
Reference to an origin 72329951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-12 04:10:20

Md:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 4
Type of magnitude Md
Reference to an origin 72785771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-26 07:54:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2019-09-12T03:32:04.74 0.1 undecidable manual S 14 30.9468 50 -0.02 95
IV.GAVE.EHZ. 2019-09-12T03:32:02.30 0.1 undecidable manual S 232 22.9548 113 -0.09 95
IV.FDMO.HHZ. 2019-09-12T03:32:02.70 0.1 undecidable manual S 355 24.0537 112 -0.03 96
IV.MMO1.EHZ. 2019-09-12T03:32:01.20 0.1 undecidable manual S 63 19.2696 117 -0.04 97
IV.CSP1.EHZ. 2019-09-12T03:32:00.13 0.1 undecidable manual P 14 30.9468 50 0.02 95
IV.FDMO.HHZ. 2019-09-12T03:31:59.00 0.6 positive manual P 355 24.0537 112 0.07 48
IV.MMO1.EHZ. 2019-09-12T03:31:58.01 0.6 positive manual P 63 19.2696 117 -0.06 48
IV.GAVE.EHZ. 2019-09-12T03:31:58.82 0.6 negative manual P 232 22.9548 113 0.09 48
IV.NRCA.HHZ. 2019-09-12T03:31:57.10 0.1 undecidable manual S 358 1.3986 172 -0.04 100
IV.NRCA.HHZ. 2019-09-12T03:31:55.92 0.3 undecidable manual P 358 1.3986 172 0.22 72
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