Overall Red Earthquake in Chile on 16 Sep 2015 22:54 UTC

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M 8.3 Earthquake and Tsunami (3.3 m) in Chile on 16 Sep 2015 22:54 UTC

2015-09-18 09:08 message from NTWC

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 8.3 occurred near the coast of central CHILE at 2254 UTC on wednesday SEPTEMBER 16 2015
TSUNAMI waves have been observed
Based on all available data hazardous TSUNAMI waves are forecast for some coasts

Threat Forecast

TSUNAMI waves reaching more than 3 meters above the tide level are possible along some coasts of chile.
TSUNAMI waves reaching 1 to 3 meters above the tide level are possible along some coasts of FRENCH polynesia.
TSUNAMI waves reaching 0.3 to 1 meters above the tide level are possible for some coasts of mexico... ecuador... peru... antarctica... japan... NEW caledonia... NEW zealand... MARSHALL islands... fiji... samoa... AMERICAN samoa... COOK islands... tokelau... vanuatu... kiribati... johnston island... palmyra island... howland and baker... tonga... WALLIS and futuna... PITCAIRN islands... niue... SOLOMON islands... russia... hawaii... and nw hawaiian islands.
TSUNAMI waves are forecast to be less than 0.3 meters above the tide level for the coasts of EL salvador... guatemala... honduras... COSTA rica... nicaragua... panama... colombia... australia... philippines... taiwan... china... NORTHERN marianas... guam... palau... yap... pohnpei... chuuk... kosrae... nauru... wake island... midway island... JARVIS island... tuvalu... PAPUA NEW guinea... indonesia... vietnam... malaysia... and brunei.
Actual amplitudes at the coast MAY vary from forecast amplitudes due to uncertainties in the forecast and local features. in particular maximum TSUNAMI amplitudes on atolls will likely be much smaller than the forecast indicates.
For other areas covered by this product a forecast has not yet been computed. the forecast will be expanded as necessary in subsequent products.

Tsunami Observations

The following are tsunami wave observations from coastal and/or deep-ocean sea level gauges at the indicated locations the maximum tsunami height is measured with respect to the normal tide level

GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)
Santacruz Galapago	-0.7	-90.3	06: 43	0.56	12
Dart 43413	10.8	-100.1	06: 39	0.02	40
Dart 32411	5	-90.8	05: 17	0.03	48
Easter Cl	-27.2	-109.4	05: 05	0.83	04
Coquimbo Cl	-30	-71.3	00: 25	4.75	20
Dart 32402	-26.7	-74	23: 34	0.10	32
Callao La-punta Pe	-12.1	-77.2	03: 09	0.25	28
Matarani Pe	-17	-72.1	01: 03	0.14	40
Quiriquina Cl	-36.6	-73.1	02: 49	0.83	88
Juan Fernandez	-33.6	-78.8	00: 38	1.21	08
Talcahuano Cl	-36.7	-73.1	02: 53	1.30	90
Dart 32412	-18	-86.3	01: 46	0.05	20
Caldera Cl	-27.1	-70.8	02: 58	0.98	20
Bucalemu Cl	-34.6	-72	02: 46	0.76	12
Huasco Cl	-28.5	-71.2	01: 06	0.77	12
San Felix Cl	-26.3	-80.1	00: 51	0.69	08
Constitucion Cl	-35.4	-72.5	01: 24	0.88	60
Corral Cl	-39.9	-73.4	01: 24	0.22	34
Tocopilla Cl	-22.1	-70.2	00: 46	0.12	38
Chanaral Cl	-26.4	-70.6	00: 43	1.09	30
Taltal Cl	-25.4	-70.5	00: 18	0.25	38
Dart 32401	-20.5	-73.4	00: 20	0.06	48
Valparaiso Cl	-33	-71.6	23: 50	1.62	40
San Antonio Cl	-33.6	-71.6	23: 58	0.86	18

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)
PTWC	Santacruz Galapago	-0.7	-90.3	06: 43	0.56	12
PTWC	Dart 43413	10.8	-100.1	06: 39	0.02	40
PTWC	Dart 32411	5	-90.8	05: 17	0.03	48
PTWC	Easter Cl	-27.2	-109.4	05: 05	0.83	04
PTWC	Coquimbo Cl	-30	-71.3	00: 25	4.75	20
PTWC	Dart 32402	-26.7	-74	23: 34	0.10	32
PTWC	Callao La-punta Pe	-12.1	-77.2	03: 09	0.25	28
PTWC	Matarani Pe	-17	-72.1	01: 03	0.14	40
PTWC	Quiriquina Cl	-36.6	-73.1	02: 49	0.83	88
PTWC	Juan Fernandez	-33.6	-78.8	00: 38	1.21	08
PTWC	Talcahuano Cl	-36.7	-73.1	02: 53	1.30	90
PTWC	Dart 32412	-18	-86.3	01: 46	0.05	20
PTWC	Caldera Cl	-27.1	-70.8	02: 58	0.98	20
PTWC	Bucalemu Cl	-34.6	-72	02: 46	0.76	12
PTWC	Huasco Cl	-28.5	-71.2	01: 06	0.77	12
PTWC	San Felix Cl	-26.3	-80.1	00: 51	0.69	08
PTWC	Constitucion Cl	-35.4	-72.5	01: 24	0.88	60
PTWC	Corral Cl	-39.9	-73.4	01: 24	0.22	34
PTWC	Tocopilla Cl	-22.1	-70.2	00: 46	0.12	38
PTWC	Chanaral Cl	-26.4	-70.6	00: 43	1.09	30
PTWC	Taltal Cl	-25.4	-70.5	00: 18	0.25	38
PTWC	Dart 32401	-20.5	-73.4	00: 20	0.06	48
PTWC	Valparaiso Cl	-33	-71.6	23: 50	1.62	40
PTWC	San Antonio Cl	-33.6	-71.6	23: 58	0.86	18

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