Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 24-03-2017 and time 10:57:00 (Italy) in region 3 km SW Sarsina (FC)

A magnitude ML 1.4 earthquake occured in region: 3 km SW Sarsina (FC), on

  • 24-03-2017 09:57:00 (UTC)
  • 24-03-2017 10:57:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9020, 12.1110 at 26 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sarsina FC 3 3446 3446
Sant'Agata Feltria RN 9 2151 5597
Mercato Saraceno FC 9 6886 12483
Bagno di Romagna FC 12 6026 18509
Casteldelci RN 13 407 18916
Talamello RN 14 1104 20020
Novafeltria RN 14 7164 27184
Verghereto FC 15 1907 29091
Pennabilli RN 16 2869 31960
Maiolo RN 16 848 32808
Santa Sofia FC 17 4136 36944
Civitella di Romagna FC 18 3786 40730
San Leo RN 19 2972 43702
Sogliano al Rubicone FC 19 3195 46897
Galeata FC 19 2516 49413

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Cesena (96758 inhabitants)
36 Km S of Forlì (117913 inhabitants)
41 Km W of Rimini (147750 inhabitants)
46 Km SE of Faenza (58541 inhabitants)
52 Km NE of Arezzo (99543 inhabitants)
58 Km S of Ravenna (159116 inhabitants)
59 Km SE of Imola (69797 inhabitants)
64 Km W of Pesaro (94582 inhabitants)
70 Km E of Firenze (382808 inhabitants)
73 Km W of Fano (60888 inhabitants)
76 Km E of Scandicci (50609 inhabitants)
81 Km E of Prato (191150 inhabitants)
90 Km SE of Bologna (386663 inhabitants)
90 Km NE of Siena (53903 inhabitants)
91 Km N of Perugia (166134 inhabitants)
96 Km E of Pistoia (90315 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 1.4 2017-03-24
09:57:00		 43.9025 12.1113 26 2018-01-10
09:55:03		 Bollettino Sismico Italiano INGV 49776001
Reviewed
Rev100 		ML 1.4 2017-03-24
09:57:00		 43.9015 12.1162 25 2017-03-24
10:07:06		 Sala Sismica INGV-Roma 42863531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-24 09:57:00 ± 0.22
Latitude 43.9025 ± 0.0099
Longitude 12.1113 ± 0.0087
Depth (km) 26 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 49776001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1033
Semi-minor axis of confidence ellipse (meter) 615
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 21
Circular confidence region, given by single value of horizontal uncertainty (meter) 1030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.18166
Epicentral distance of station farthest from the epicenter (degree) 0.54139
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 49776001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-06 10:47:04

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 42863531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-24 10:07:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RUFI.EHZ. 2017-03-24T09:57:17.38 0.3 undecidable manual S 262 48.7179 111 0.44 67
IV.PE3.EHZ. 2017-03-24T09:57:15.11 0.3 undecidable manual S 126 38.4282 117 0.67 62
IV.LMD.HHZ. 2017-03-24T09:57:14.32 0.3 undecidable manual S 301 37.629 118 0.06 74
IV.CRE.HHZ. 2017-03-24T09:57:13.89 0.6 undecidable manual S 202 33.9438 121 0.48 44
IV.PARC.HHZ. 2017-03-24T09:57:12.24 0.3 undecidable manual S 160 29.9478 125 -0.27 72
IV.ASQU.HHZ. 2017-03-24T09:57:11.99 0.3 undecidable manual S 246 28.3494 127 -0.16 74
IV.MPAG.EHZ. 2017-03-24T09:57:11.83 0.6 undecidable manual P 120 60.0954 107 0.06 47
IV.RUFI.EHZ. 2017-03-24T09:57:10.26 0.6 undecidable manual P 262 48.7179 111 0.16 47
IV.CPGN.EHZ. 2017-03-24T09:57:10.54 0.6 undecidable manual S 124 20.1687 137 0.01 51
IV.BRIS.HHZ. 2017-03-24T09:57:09.86 0.3 undecidable manual P 323 45.1215 113 0.27 70
IV.CRE.HHZ. 2017-03-24T09:57:08.01 0.1 undecidable manual P 202 33.9438 121 -0.05 100
IV.LMD.HHZ. 2017-03-24T09:57:08.36 0.3 undecidable manual P 301 37.629 118 -0.19 71
IV.PE3.EHZ. 2017-03-24T09:57:08.51 0.6 undecidable manual P 126 38.4282 117 -0.14 48
IV.ASQU.HHZ. 2017-03-24T09:57:07.11 0.1 undecidable manual P 246 28.3494 127 -0.22 97
IV.PARC.HHZ. 2017-03-24T09:57:07.24 0.3 undecidable manual P 160 29.9478 125 -0.3 72
IV.CPGN.EHZ. 2017-03-24T09:57:05.99 0.3 undecidable manual P 124 20.1687 137 -0.41 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHE. ML:1.6 0.0001605 0.4 AML other m 2017-03-24T09:57:12.34
IV.ASQU.HHN. ML:1.6 0.0001515 0.18 AML other m 2017-03-24T09:57:12.16
IV.BRIS.HHE. ML:1.5 0.00007305 1.78 AML other m 2017-03-24T09:57:20.07
IV.BRIS.HHN. ML:1.6 0.00010135 0.24 AML other m 2017-03-24T09:57:20.20
IV.CRE.HHN. ML:1.7 0.0001485 0.42 AML other m 2017-03-24T09:57:14.34
IV.CRE.HHE. ML:1.3 0.0000596 1.24 AML other m 2017-03-24T09:57:15.83
IV.LMD.HHE. ML:1.3 0.0000584 0.16 AML other m 2017-03-24T09:57:15.53
IV.LMD.HHN. ML:1.3 0.0000534 0.34 AML other m 2017-03-24T09:57:15.69
IV.MPAG.EHE. ML:0.9 0.000016855 0.34 AML other m 2017-03-24T09:57:21.65
IV.MPAG.EHN. ML:1.1 0.000024449999999999998 1.62 AML other m 2017-03-24T09:57:22.09
IV.PARC.HHE. ML:1.4 0.00009290000000000001 0.22 AML other m 2017-03-24T09:57:12.53
IV.PARC.HHN. ML:1.2 0.00005965 0.2 AML other m 2017-03-24T09:57:13.58
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